AMPX

Amprius Technologies, Inc.CIK 1899287 ☆ Sign in to watch Congress trades

Open-mkt buys · 90d

—

0 trades · 0 insiders

Open-mkt sales · 90d

$2.55M

8 trades · 3 insiders

Net · 90d

$-2.55M

Insiders on file

AI insights for AMPX PRO

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AI insights for AMPX

Insider sentiment score with a plain-English explanation, conviction score on every buy, and how the stock performed 30 and 90 days after past insider buys.

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Daily buy vs sell · 90 days

■ Open-market buys (P) ■ Open-market sales (S) · daily dollar value by transaction date

Insiders

Insider	Role	Trades	Bought	Sold	Last trade
Stepien Thomas M	President	24	$0	$1.66M	2026-08-25
Stefan Constantin Ionel	Chief Technology Officer	58	$0	$11.54M	2026-08-21
Sun Kang	See Remarks	59	$0	$59.15M	2026-08-21
DIXON DONALD R	Director	8	$0	$2.54M	2026-06-15
SATTERTHWAITE LIVINGSTON	Director	3	$0	$0	2026-06-12
Chu Steven	Director	17	$0	$5.86M	2026-06-12
BAYLESS KATHLEEN A	Director	5	$0	$0	2026-06-12
HSIEH Wen Hsuan	Director	8	$0	$7.62M	2026-03-12
RODRIGUEZ RICARDO C.	Chief Financial Officer	3	$0	$0	2026-03-04
Wallach Sandra	Chief Financial Officer	11	$0	$394.6K	2025-08-21
Bornstein Jonathan	President of Amprius Lab	68	$0	$4.84M	2025-03-10
Amprius, Inc.	10% Owner	7	$0	$1.09M	2024-10-23
MIRRO JUSTIN E	Director	46	$0	$5.06M	2024-09-05
Gustanski Mary	Director	2	$0	$0	2024-06-07
Kensington Capital Sponsor IV LLC	Other	7	$0	$0	2022-09-14

Trade history

Insider	Role	Code	Trade	Filed	Shares	Price	Value	Owned after
Stepien Thomas M	Chief Executive Officer	A Award	2026-08-25	2026-08-25	346	—	$0	37,260	SEC↗
Stepien Thomas M	Chief Executive Officer	G Gift	2026-08-25	2026-08-25	346	—	$0	578,750	SEC↗
Stepien Thomas M	Chief Executive Officer	G Gift	2026-08-25	2026-08-25	5,000	—	$0	579,096	SEC↗
Stepien Thomas M	Chief Executive Officer	G Gift	2026-08-25	2026-08-25	5,000	—	$0	584,096	SEC↗
Stepien Thomas M	Chief Executive Officer	G Gift	2026-08-25	2026-08-25	5,000	—	$0	589,096	SEC↗
Stepien Thomas M	Chief Executive Officer, Dir	A Award	2026-08-25	2026-08-25	346	—	$0	37,260	SEC↗
Stepien Thomas M	Chief Executive Officer, Dir	G Gift	2026-08-25	2026-08-25	346	—	$0	578,750	SEC↗
Stepien Thomas M	Chief Executive Officer, Dir	G Gift	2026-08-25	2026-08-25	5,000	—	$0	579,096	SEC↗
Stepien Thomas M	Chief Executive Officer, Dir	G Gift	2026-08-25	2026-08-25	5,000	—	$0	584,096	SEC↗
Stepien Thomas M	Chief Executive Officer, Dir	G Gift	2026-08-25	2026-08-25	5,000	—	$0	589,096	SEC↗
Stepien Thomas M	Chief Executive Officer	S Sale	2026-08-24	2026-08-25	8,000	$10.03	$80.2K	594,096	SEC↗
Stepien Thomas M	Chief Executive Officer, Dir	S Sale	2026-08-24	2026-08-25	8,000	$10.03	$80.2K	594,096	SEC↗
Stepien Thomas M	Chief Executive Officer	S Sale	2026-08-21	2026-08-25	23,529	$10.34	$243.3K	602,096	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2026-08-21	2026-08-25	29,681	$10.34	$306.9K	771,629	SEC↗
Sun Kang	Director	S Sale	2026-08-21	2026-08-25	62,101	$10.34	$642.1K	1,218,397	SEC↗
Stepien Thomas M	Chief Executive Officer, Dir	S Sale	2026-08-21	2026-08-25	23,529	$10.34	$243.3K	602,096	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2026-08-21	2026-08-25	29,681	$10.34	$306.9K	771,629	SEC↗
Sun Kang	Director	S Sale	2026-08-21	2026-08-25	62,101	$10.34	$642.2K	1,218,397	SEC↗
DIXON DONALD R	Director	S Sale	2026-06-15	2026-06-16	85,000	$17.17	$1.46M	359,380	SEC↗
Chu Steven	Director	A Award	2026-06-12	2026-06-16	10,423	—	$0	137,762	SEC↗
DIXON DONALD R	Director	A Award	2026-06-12	2026-06-16	10,423	—	$0	280,079	SEC↗
SATTERTHWAITE LIVINGSTON	Director	A Award	2026-06-12	2026-06-16	10,423	—	$0	346,506	SEC↗
BAYLESS KATHLEEN A	Director	A Award	2026-06-12	2026-06-16	10,423	—	$0	216,120	SEC↗
DIXON DONALD R	Director	S Sale	2026-06-09	2026-06-11	40,000	$19.13	$765.2K	444,380	SEC↗
Stepien Thomas M	Chief Executive Officer	G Gift	2026-06-04	2026-06-05	36,914	—	$0	627,625	SEC↗
Stepien Thomas M	Chief Executive Officer	G Gift	2026-06-04	2026-06-05	30,384	—	$0	664,539	SEC↗
Stepien Thomas M	Chief Executive Officer	S Sale	2026-06-04	2026-06-05	2,000	$20.97	$41.9K	625,625	SEC↗
Stepien Thomas M	Chief Executive Officer	G Gift	2026-06-04	2026-06-05	36,914	—	$0	36,914	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2026-05-27	2026-05-28	3,208	$17.19	$55.1K	801,310	SEC↗
Stepien Thomas M	Chief Executive Officer	S Sale	2026-05-27	2026-05-28	4,375	$17.19	$75.2K	694,923	SEC↗
Sun Kang	Director	S Sale	2026-05-27	2026-05-28	356	$17.19	$6.1K	1,280,498	SEC↗
DIXON DONALD R	Director	S Sale	2026-05-26	2026-05-28	17,895	$17.90	$320.3K	484,380	SEC↗
Stepien Thomas M	Chief Executive Officer	S Sale	2026-05-21	2026-05-26	60,702	$14.79	$897.8K	699,298	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2026-05-21	2026-05-26	28,812	$14.79	$426.1K	804,518	SEC↗
Sun Kang	Director	S Sale	2026-05-21	2026-05-26	67,796	$14.79	$1.00M	1,280,854	SEC↗
Sun Kang	Director	A Award	2026-05-05	2026-05-07	6,250	—	$0	1,348,650	SEC↗
Sun Kang	Director	M Exercise deriv	2026-04-01	2026-04-02	187,495	$3.68	$690.0K	1,787,007	SEC↗
Sun Kang	Director	M Exercise deriv	2026-04-01	2026-04-02	1,312,505	$1.78	$2.34M	0	SEC↗
Sun Kang	Director	S Sale	2026-04-01	2026-04-02	249,037	$16.78	$4.18M	1,342,400	SEC↗
Sun Kang	Director	M Exercise	2026-04-01	2026-04-02	1,312,505	$1.78	$2.34M	2,654,905	SEC↗
Sun Kang	Director	M Exercise	2026-04-01	2026-04-02	187,495	$3.68	$690.0K	2,842,400	SEC↗
Sun Kang	Director	S Sale	2026-04-01	2026-04-02	1,250,963	$15.73	$19.68M	1,591,437	SEC↗
Sun Kang	Director	S Sale	2026-03-23	2026-03-24	152,823	$18.69	$2.86M	121,452	SEC↗
Sun Kang	Director	S Sale	2026-03-23	2026-03-24	65,046	$19.06	$1.24M	56,406	SEC↗
Chu Steven	Director	M Exercise deriv	2026-03-12	2026-03-12	86,143	$2.61	$224.8K	184,108	SEC↗
Chu Steven	Director	M Exercise deriv	2026-03-12	2026-03-12	69,422	$0.62	$43.0K	0	SEC↗
HSIEH Wen Hsuan	Director	M Exercise deriv	2026-03-12	2026-03-13	270,251	$2.61	$705.4K	0	SEC↗
Chu Steven	Director	S Sale	2026-03-12	2026-03-12	5,565	$18.53	$103.1K	127,339	SEC↗
Chu Steven	Director	M Exercise	2026-03-12	2026-03-12	69,422	$0.62	$43.0K	282,904	SEC↗
Chu Steven	Director	M Exercise	2026-03-12	2026-03-12	86,143	$2.61	$224.8K	213,482	SEC↗
Chu Steven	Director	S Sale	2026-03-12	2026-03-12	100,000	$18.65	$1.86M	182,904	SEC↗
Chu Steven	Director	S Sale	2026-03-12	2026-03-12	50,000	$18.21	$910.5K	132,904	SEC↗
HSIEH Wen Hsuan	Director	S Sale	2026-03-12	2026-03-13	130,646	$18.22	$2.38M	44,444	SEC↗
HSIEH Wen Hsuan	Director	S Sale	2026-03-12	2026-03-13	282,500	$18.55	$5.24M	175,090	SEC↗
HSIEH Wen Hsuan	Director	M Exercise	2026-03-12	2026-03-13	270,251	$2.61	$705.4K	457,590	SEC↗
Chu Steven	Director	M Exercise deriv	2026-03-10	2026-03-12	104,132	$0.62	$64.6K	69,422	SEC↗
Chu Steven	Director	S Sale	2026-03-10	2026-03-12	166,632	$17.92	$2.99M	127,339	SEC↗
Chu Steven	Director	M Exercise	2026-03-10	2026-03-12	104,132	$0.62	$64.6K	293,971	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	A Award	2026-03-04	2026-03-06	110,000	—	$0	833,330	SEC↗
Stepien Thomas M	Chief Executive Officer	A Award	2026-03-04	2026-03-06	150,000	—	$0	760,000	SEC↗
RODRIGUEZ RICARDO C.	Chief Financial Officer	A Award	2026-03-04	2026-03-06	150,000	—	$0	350,000	SEC↗
RODRIGUEZ RICARDO C.	Chief Financial Officer	A Award	2026-03-04	2026-03-13	150,000	—	$0	350,000	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2026-02-23	2026-02-24	25,366	$10.16	$257.7K	723,330	SEC↗
Sun Kang	Director	S Sale	2026-02-23	2026-02-24	61,251	$10.16	$622.3K	1,342,400	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise deriv	2026-01-28	2026-01-30	39,600	—	$0	0	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise deriv	2026-01-28	2026-01-30	90	—	$0	0	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2026-01-28	2026-01-30	39,690	$12.00	$476.3K	748,696	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise	2026-01-28	2026-01-30	90	$0.62	$56	748,786	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise	2026-01-28	2026-01-30	39,600	$0.05	$2.0K	788,386	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise deriv	2026-01-23	2026-01-23	1,600	—	$0	39,600	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2026-01-23	2026-01-23	1,600	$12.00	$19.2K	748,696	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise	2026-01-23	2026-01-23	1,600	$0.05	$80	750,296	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise deriv	2026-01-22	2026-01-23	166,104	—	$0	0	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise deriv	2026-01-22	2026-01-23	72,795	—	$0	0	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise deriv	2026-01-22	2026-01-23	253,928	—	$0	41,200	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise	2026-01-22	2026-01-23	253,928	$0.05	$12.7K	1,002,624	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise	2026-01-22	2026-01-23	72,795	$0.45	$32.8K	1,075,419	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise	2026-01-22	2026-01-23	166,104	$0.05	$8.3K	1,241,523	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2026-01-22	2026-01-23	492,827	$12.04	$5.93M	748,696	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise deriv	2026-01-21	2026-01-23	15,883	—	$0	166,104	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise deriv	2026-01-21	2026-01-23	15,834	—	$0	295,128	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise deriv	2026-01-21	2026-01-23	41,563	—	$0	90	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise	2026-01-21	2026-01-23	15,883	$0.05	$794	821,976	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2026-01-21	2026-01-23	73,280	$12.00	$879.4K	748,696	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise	2026-01-21	2026-01-23	41,563	$0.62	$25.8K	790,259	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise	2026-01-21	2026-01-23	15,834	$0.05	$792	806,093	SEC↗
Sun Kang	Director	M Exercise deriv	2026-01-20	2026-01-20	43,185	—	$0	1,312,505	SEC↗
Sun Kang	Director	S Sale	2026-01-20	2026-01-20	43,185	$11.03	$476.3K	1,403,651	SEC↗
Sun Kang	Director	M Exercise	2026-01-20	2026-01-20	43,185	$1.78	$76.9K	1,446,836	SEC↗
Sun Kang	Director	M Exercise deriv	2026-01-16	2026-01-20	850,338	—	$0	0	SEC↗
Sun Kang	Director	M Exercise deriv	2026-01-16	2026-01-20	100,210	—	$0	1,355,690	SEC↗
Sun Kang	Director	M Exercise	2026-01-16	2026-01-20	100,210	$1.78	$178.4K	2,354,199	SEC↗
Sun Kang	Director	M Exercise	2026-01-16	2026-01-20	850,338	$2.50	$2.13M	2,253,989	SEC↗
Sun Kang	Director	S Sale	2026-01-16	2026-01-20	950,548	$11.07	$10.52M	1,403,651	SEC↗
Sun Kang	Director	M Exercise deriv	2026-01-12	2026-01-14	180,802	—	$0	0	SEC↗
Sun Kang	Director	M Exercise deriv	2026-01-12	2026-01-14	117,201	—	$0	850,338	SEC↗
Sun Kang	Director	M Exercise deriv	2026-01-12	2026-01-14	208,264	—	$0	0	SEC↗
Sun Kang	Director	M Exercise	2026-01-12	2026-01-14	117,201	$2.50	$293.0K	1,909,918	SEC↗
Sun Kang	Director	M Exercise	2026-01-12	2026-01-14	208,264	$2.44	$508.2K	1,792,717	SEC↗
Sun Kang	Director	M Exercise	2026-01-12	2026-01-14	180,802	$0.62	$112.1K	1,584,453	SEC↗
Sun Kang	Director	S Sale	2026-01-12	2026-01-14	506,267	$10.10	$5.11M	1,403,651	SEC↗
Stepien Thomas M	Chief Executive Officer	A Award	2025-12-19	2026-05-07	200,000	—	$0	760,000	SEC↗
Stepien Thomas M	President	A Award	2025-12-19	2025-12-22	200,000	—	$0	610,000	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise deriv	2025-12-11	2025-12-15	125,000	—	$0	310,962	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2025-12-11	2025-12-15	198,255	$10.51	$2.08M	748,696	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise	2025-12-11	2025-12-15	125,000	$0.05	$6.3K	946,951	SEC↗
Sun Kang	Chief Executive Officer	S Sale	2025-11-21	2025-11-25	68,655	$10.08	$692.0K	1,403,651	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2025-11-21	2025-11-25	25,024	$10.08	$252.2K	821,951	SEC↗
Sun Kang	Chief Executive Officer	M Exercise deriv	2025-11-17	2025-11-19	27,463	—	$0	180,802	SEC↗
Sun Kang	Chief Executive Officer	M Exercise deriv	2025-11-17	2025-11-19	727,950	—	$0	0	SEC↗
Sun Kang	Chief Executive Officer	M Exercise deriv	2025-11-17	2025-11-19	41,653	—	$0	0	SEC↗
Sun Kang	Chief Executive Officer	M Exercise deriv	2025-11-17	2025-11-19	202,934	—	$0	0	SEC↗
Sun Kang	Chief Executive Officer	S Sale	2025-11-17	2025-11-19	1,000,000	$10.60	$10.60M	1,472,306	SEC↗
Sun Kang	Chief Executive Officer	M Exercise	2025-11-17	2025-11-19	727,950	$0.05	$36.4K	2,403,190	SEC↗
Sun Kang	Chief Executive Officer	M Exercise	2025-11-17	2025-11-19	27,463	$0.62	$17.0K	2,430,653	SEC↗
Sun Kang	Chief Executive Officer	M Exercise	2025-11-17	2025-11-19	41,653	$0.62	$25.8K	2,472,306	SEC↗
Sun Kang	Chief Executive Officer	M Exercise	2025-11-17	2025-11-19	202,934	$0.98	$198.9K	1,675,240	SEC↗
RODRIGUEZ RICARDO C.	Chief Financial Officer	A Award	2025-10-06	2025-10-08	200,000	—	$0	200,000	SEC↗
Sun Kang	Chief Executive Officer	S Sale	2025-08-21	2025-08-25	65,654	$6.82	$447.8K	1,472,306	SEC↗
Wallach Sandra	Chief Financial Officer	S Sale	2025-08-21	2025-08-25	28,390	$6.82	$193.6K	1,005,275	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2025-08-21	2025-08-25	19,159	$6.82	$130.7K	846,975	SEC↗
Chu Steven	Director	A Award	2025-06-13	2025-06-17	44,444	—	$0	189,839	SEC↗
BAYLESS KATHLEEN A	Director	A Award	2025-06-13	2025-06-17	44,444	—	$0	205,697	SEC↗
SATTERTHWAITE LIVINGSTON	Director	A Award	2025-06-13	2025-06-17	44,444	—	$0	336,083	SEC↗
DIXON DONALD R	Director	A Award	2025-06-13	2025-06-17	44,444	—	$0	394,656	SEC↗
HSIEH Wen Hsuan	Director	A Award	2025-06-13	2025-06-17	44,444	—	$0	187,339	SEC↗
Sun Kang	Chief Executive Officer	S Sale	2025-05-21	2025-05-23	69,786	$2.43	$169.6K	1,812,235	SEC↗
Wallach Sandra	Chief Financial Officer	S Sale	2025-05-21	2025-05-23	27,595	$2.43	$67.1K	1,033,665	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2025-05-21	2025-05-23	20,366	$2.43	$49.5K	866,134	SEC↗
Stepien Thomas M	President	A Award	2025-05-01	2025-05-06	400,000	—	$0	400,000	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	A Award	2025-03-19	2025-03-21	461,540	—	$0	886,500	SEC↗
Wallach Sandra	Chief Financial Officer	A Award	2025-03-19	2025-03-21	383,260	—	$0	1,061,260	SEC↗
Sun Kang	Chief Executive Officer	A Award	2025-03-19	2025-03-21	599,400	—	$0	1,882,021	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise deriv	2025-03-14	2025-03-18	3,471	—	$0	0	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise	2025-03-14	2025-03-18	3,471	$0.98	$3.4K	424,960	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2025-03-10	2025-03-12	3,471	—	$0	0	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2025-03-10	2025-03-12	3,471	$0.98	$3.4K	422,668	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2025-02-21	2025-02-24	13,527	$3.13	$42.3K	419,197	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2025-02-21	2025-02-24	9,066	$3.13	$28.4K	421,489	SEC↗
Wallach Sandra	Chief Financial Officer	S Sale	2025-02-21	2025-02-24	18,142	$3.13	$56.8K	678,000	SEC↗
Sun Kang	Chief Executive Officer	S Sale	2025-02-21	2025-02-24	34,353	$3.13	$107.5K	1,282,621	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2024-11-21	2024-11-22	8,575	$1.96	$16.8K	430,555	SEC↗
Wallach Sandra	Chief Financial Officer	S Sale	2024-11-21	2024-11-22	17,158	$1.96	$33.6K	696,142	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2024-11-21	2024-11-22	15,000	$1.96	$29.4K	1,040,950	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2024-11-21	2024-11-22	18,170	$1.96	$35.6K	454,131	SEC↗
Sun Kang	Chief Executive Officer	S Sale	2024-11-21	2024-11-22	33,779	$1.96	$66.2K	1,316,974	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2024-11-20	2024-11-22	133,536	$1.92	$256.4K	1,039,187	SEC↗
Chu Steven	Director	A Award deriv	2024-10-23	2024-10-25	173,554	—	$0	173,554	SEC↗
Chu Steven	Director	A Award deriv	2024-10-23	2024-10-25	173,554	—	$0	173,554	SEC↗
Sun Kang	Chief Executive Officer	A Award deriv	2024-10-23	2024-10-25	1,974,502	—	$0	1,974,502	SEC↗
Sun Kang	Chief Executive Officer	A Award deriv	2024-10-23	2024-10-25	967,539	—	$0	967,539	SEC↗
Sun Kang	Chief Executive Officer	A Award deriv	2024-10-23	2024-10-25	1,171,476	—	$0	1,171,476	SEC↗
Sun Kang	Chief Executive Officer	A Award deriv	2024-10-23	2024-10-25	202,934	—	$0	202,934	SEC↗
Sun Kang	Chief Executive Officer	A Award deriv	2024-10-23	2024-10-25	41,653	—	$0	41,653	SEC↗
Sun Kang	Chief Executive Officer	A Award deriv	2024-10-23	2024-10-25	208,264	—	$0	208,264	SEC↗
Sun Kang	Chief Executive Officer	A Award deriv	2024-10-23	2024-10-25	208,265	—	$0	208,265	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	A Award deriv	2024-10-23	2024-10-25	3,471	—	$0	3,471	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	A Award deriv	2024-10-23	2024-10-25	41,653	—	$0	41,653	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	A Award deriv	2024-10-23	2024-10-25	139,613	—	$0	139,613	SEC↗
Bornstein Jonathan	President of Amprius Lab	A Award deriv	2024-10-23	2024-10-25	27,768	—	$0	27,768	SEC↗
Bornstein Jonathan	President of Amprius Lab	A Award deriv	2024-10-23	2024-10-25	3,471	—	$0	3,471	SEC↗
Amprius, Inc.	10% Owner	J Other	2024-10-23	2024-10-25	5,500,000	—	$0	59,695,997	SEC↗
Amprius, Inc.	10% Owner	J Other	2024-10-23	2024-10-25	57,195,926	—	$0	2,500,071	SEC↗
MIRRO JUSTIN E	Director	S Sale	2024-09-05	2024-09-05	140,000	$0.81	$113.4K	1,195,000	SEC↗
MIRRO JUSTIN E	Director	S Sale	2024-09-05	2024-09-05	110,000	$0.81	$89.1K	2,073,042	SEC↗
Amprius, Inc.	10% Owner	S Sale	2024-09-04	2024-09-05	13,255	$0.95	$12.6K	65,195,997	SEC↗
MIRRO JUSTIN E	Director	S Sale	2024-09-04	2024-09-05	175,000	$0.94	$164.5K	1,335,000	SEC↗
MIRRO JUSTIN E	Director	S Sale	2024-09-04	2024-09-05	150,000	$0.94	$141.0K	2,183,042	SEC↗
Amprius, Inc.	10% Owner	S Sale	2024-09-03	2024-09-05	6,300	$1.00	$6.3K	65,209,252	SEC↗
MIRRO JUSTIN E	Director	S Sale	2024-09-03	2024-09-05	60,000	$1.00	$60.0K	2,333,042	SEC↗
MIRRO JUSTIN E	Director	S Sale	2024-09-03	2024-09-05	75,000	$1.00	$75.0K	1,510,000	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2024-08-21	2024-08-22	8,800	$1.04	$9.2K	386,168	SEC↗
Sun Kang	Chief Executive Officer	S Sale	2024-08-21	2024-08-22	33,333	$1.04	$34.7K	1,350,753	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2024-08-21	2024-08-22	18,644	$1.04	$19.4K	1,528,251	SEC↗
Wallach Sandra	Chief Financial Officer	S Sale	2024-08-21	2024-08-22	17,606	$1.04	$18.3K	713,300	SEC↗
SATTERTHWAITE LIVINGSTON	Director	A Award	2024-08-13	2024-08-14	283,019	—	$0	291,639	SEC↗
MIRRO JUSTIN E	Director	D To issuer deriv	2024-07-23	2024-07-25	4,700,000	—	$0	0	SEC↗
MIRRO JUSTIN E	Director	A Award	2024-07-23	2024-07-25	925,900	—	$0	2,393,042	SEC↗
MIRRO JUSTIN E	Director	S Sale	2024-06-14	2024-06-14	65,000	$1.13	$73.5K	1,585,000	SEC↗
MIRRO JUSTIN E	Director	S Sale	2024-06-14	2024-06-14	195,000	$1.13	$220.3K	1,467,142	SEC↗
MIRRO JUSTIN E	Director	S Sale	2024-06-13	2024-06-14	65,000	$1.22	$79.3K	1,650,000	SEC↗
MIRRO JUSTIN E	Director	S Sale	2024-06-13	2024-06-14	195,000	$1.21	$235.9K	1,662,142	SEC↗
MIRRO JUSTIN E	Director	S Sale	2024-06-12	2024-06-14	210,000	$1.30	$273.0K	1,857,142	SEC↗
MIRRO JUSTIN E	Director	S Sale	2024-06-12	2024-06-14	70,000	$1.30	$91.0K	1,715,000	SEC↗
DIXON DONALD R	Director	A Award	2024-06-07	2024-06-07	125,000	—	$0	142,895	SEC↗
MIRRO JUSTIN E	Director	A Award	2024-06-07	2024-06-07	125,000	—	$0	142,895	SEC↗
Gustanski Mary	Director	A Award	2024-06-07	2024-06-07	114,583	—	$0	146,396	SEC↗
Chu Steven	Director	A Award	2024-06-07	2024-06-07	125,000	—	$0	145,395	SEC↗
BAYLESS KATHLEEN A	Director	A Award	2024-06-07	2024-06-07	125,000	—	$0	161,253	SEC↗
HSIEH Wen Hsuan	Director	A Award	2024-06-07	2024-06-07	125,000	—	$0	142,895	SEC↗
Wallach Sandra	Chief Financial Officer	S Sale	2024-05-22	2024-05-24	8,245	$1.36	$11.2K	730,906	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2024-05-22	2024-05-24	8,731	$1.36	$11.9K	1,546,895	SEC↗
Sun Kang	See Remarks	S Sale	2024-05-22	2024-05-24	15,611	$1.36	$21.2K	1,384,086	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2024-05-22	2024-05-24	4,121	$1.36	$5.6K	394,968	SEC↗
Wallach Sandra	Chief Financial Officer	S Sale	2024-05-21	2024-05-24	10,549	$1.33	$14.0K	739,151	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2024-05-21	2024-05-24	11,171	$1.33	$14.9K	1,555,626	SEC↗
Sun Kang	See Remarks	S Sale	2024-05-21	2024-05-24	19,973	$1.33	$26.6K	1,399,697	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2024-05-21	2024-05-24	5,272	$1.33	$7.0K	399,089	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2024-04-12	2024-04-15	1,007,867	—	$0	1	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2024-04-12	2024-04-15	1,007,867	$0.05	$50.4K	1,566,797	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2024-04-02	2024-04-03	125,983	—	$0	1,007,868	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2024-04-02	2024-04-03	125,983	$0.05	$6.3K	684,913	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2024-04-02	2024-04-03	125,983	$2.38	$299.8K	558,930	SEC↗
Sun Kang	See Remarks	A Award	2024-03-19	2024-03-19	1,419,670	—	$0	1,419,670	SEC↗
Wallach Sandra	Chief Financial Officer	A Award	2024-03-19	2024-03-19	749,700	—	$0	749,700	SEC↗
Bornstein Jonathan	President of Amprius Lab	A Award	2024-03-19	2024-03-19	558,930	—	$0	558,930	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	A Award	2024-03-19	2024-03-19	374,570	—	$0	404,361	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2024-03-06	2024-03-07	40,200	—	$0	1,133,851	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2024-03-06	2024-03-07	40,200	$0.05	$2.0K	40,200	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2024-03-06	2024-03-07	40,200	$2.78	$111.8K	0	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2024-03-05	2024-03-07	109,800	—	$0	1,174,051	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2024-03-05	2024-03-07	109,800	$0.05	$5.5K	109,800	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2024-03-05	2024-03-07	109,800	$2.92	$320.6K	0	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2024-02-06	2024-02-07	150,000	—	$0	1,283,851	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2024-02-06	2024-02-07	150,000	$4.43	$664.5K	0	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2024-02-06	2024-02-07	150,000	$0.05	$7.5K	150,000	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2024-01-02	2024-01-04	150,000	—	$0	1,433,851	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2024-01-02	2024-01-04	25,366	$5.05	$128.1K	0	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2024-01-02	2024-01-04	150,000	$0.05	$7.5K	150,000	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2024-01-02	2024-01-04	124,634	$4.32	$538.4K	25,366	SEC↗
Amprius, Inc.	10% Owner	S Sale	2023-12-15	2023-12-15	100,000	$3.54	$354.0K	65,215,552	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-12-14	2023-12-14	170,000	$3.56	$605.2K	2,067,142	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-12-14	2023-12-14	85,000	$3.56	$302.6K	1,785,000	SEC↗
Amprius, Inc.	10% Owner	S Sale	2023-12-14	2023-12-15	100,000	$3.55	$355.0K	65,315,552	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-12-13	2023-12-14	60,000	$3.68	$220.8K	2,237,142	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-12-13	2023-12-14	30,000	$3.68	$110.4K	1,870,000	SEC↗
Amprius, Inc.	10% Owner	S Sale	2023-12-13	2023-12-15	100,000	$3.62	$362.0K	65,415,552	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-12-12	2023-12-14	20,000	$3.81	$76.2K	1,900,000	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-12-12	2023-12-14	40,000	$3.81	$152.4K	2,297,142	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2023-12-07	2023-12-07	54,477	—	$0	1,583,851	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2023-12-07	2023-12-07	54,477	$3.88	$211.4K	0	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2023-12-07	2023-12-07	54,477	$0.05	$2.7K	54,477	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-12-07	2023-12-07	10,000	$3.88	$38.8K	1,920,000	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-12-07	2023-12-07	20,000	$3.88	$77.6K	2,337,142	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2023-12-06	2023-12-07	47,767	—	$0	1,638,328	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2023-12-06	2023-12-07	47,767	$0.05	$2.4K	47,767	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2023-12-06	2023-12-07	47,767	$4.02	$192.0K	0	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-12-06	2023-12-07	10,000	$4.05	$40.5K	1,930,000	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-12-06	2023-12-07	20,000	$4.05	$81.0K	2,357,142	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2023-12-05	2023-12-07	47,756	—	$0	1,686,095	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2023-12-05	2023-12-07	47,756	$4.28	$204.4K	0	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2023-12-05	2023-12-07	47,756	$0.05	$2.4K	47,756	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-12-05	2023-12-07	10,000	$4.31	$43.1K	1,940,000	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-12-05	2023-12-07	20,000	$4.33	$86.6K	2,377,142	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-11-30	2023-11-30	30,000	$4.19	$125.7K	2,397,142	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-11-30	2023-11-30	15,000	$4.18	$62.7K	1,950,000	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-11-29	2023-11-30	40,000	$4.01	$160.4K	2,427,142	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-11-29	2023-11-30	20,000	$4.01	$80.2K	1,965,000	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-11-28	2023-11-30	15,000	$3.70	$55.5K	1,985,000	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-11-28	2023-11-30	30,000	$3.71	$111.3K	2,467,142	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2023-11-20	2023-11-21	27,631	—	$0	1,733,851	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2023-11-20	2023-11-21	27,631	$0.05	$1.4K	27,631	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2023-11-20	2023-11-21	27,631	$3.84	$106.1K	0	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2023-11-09	2023-11-09	49,508	—	$0	1,761,482	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2023-11-09	2023-11-09	49,508	$0.05	$2.5K	49,508	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2023-11-09	2023-11-09	49,508	$2.82	$139.6K	0	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2023-11-08	2023-11-09	48,052	—	$0	1,810,990	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2023-11-08	2023-11-09	48,052	$0.05	$2.4K	48,052	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2023-11-08	2023-11-09	48,052	$3.05	$146.6K	0	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2023-11-07	2023-11-09	24,809	—	$0	1,859,042	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2023-11-07	2023-11-09	24,809	$3.24	$80.4K	0	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2023-11-07	2023-11-09	24,809	$0.05	$1.2K	24,809	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2023-10-12	2023-10-12	22,969	—	$0	1,883,851	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2023-10-12	2023-10-12	22,969	$3.90	$89.6K	0	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2023-10-12	2023-10-12	22,969	$0.05	$1.1K	22,969	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2023-10-11	2023-10-12	56,702	—	$0	1,906,820	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2023-10-11	2023-10-12	56,702	$0.05	$2.8K	56,702	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2023-10-11	2023-10-12	56,702	$4.16	$235.9K	0	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2023-10-10	2023-10-12	70,329	—	$0	1,963,522	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2023-10-10	2023-10-12	70,329	$0.05	$3.5K	70,329	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2023-10-10	2023-10-12	70,329	$4.36	$306.6K	0	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2023-09-20	2023-09-21	6,484	—	$0	2,033,851	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2023-09-20	2023-09-21	6,484	$4.23	$27.4K	0	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2023-09-20	2023-09-21	6,484	$0.05	$324	6,484	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise deriv	2023-09-19	2023-09-21	143,516	—	$0	2,040,335	SEC↗
Bornstein Jonathan	President of Amprius Lab	M Exercise	2023-09-19	2023-09-21	143,516	$0.05	$7.2K	143,516	SEC↗
Bornstein Jonathan	President of Amprius Lab	S Sale	2023-09-19	2023-09-21	143,516	$4.37	$627.2K	0	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2023-09-15	2023-09-18	33,630	$3.89	$130.8K	29,791	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	S Sale	2023-09-14	2023-09-18	46,370	$3.66	$169.7K	63,421	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise deriv	2023-09-09	2023-09-12	80,000	—	$0	435,962	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise	2023-09-09	2023-09-12	80,000	$0.05	$4.0K	109,791	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-06-15	2023-06-16	61,000	$8.85	$539.9K	2,497,142	SEC↗
Gustanski Mary	Director	A Award	2023-06-14	2023-06-15	31,813	—	$0	31,813	SEC↗
MIRRO JUSTIN E	Director	S Sale	2023-06-14	2023-06-16	50,000	$9.50	$475.0K	2,558,142	SEC↗
HSIEH Wen Hsuan	Director	A Award	2023-06-09	2023-06-12	17,895	—	$0	17,895	SEC↗
MIRRO JUSTIN E	Director	A Award	2023-06-09	2023-06-12	17,895	—	$0	17,895	SEC↗
Chu Steven	Director	A Award	2023-06-09	2023-06-12	17,895	—	$0	20,395	SEC↗
DIXON DONALD R	Director	A Award	2023-06-09	2023-06-12	17,895	—	$0	17,895	SEC↗
BAYLESS KATHLEEN A	Director	A Award	2023-06-09	2023-06-12	1,491	—	$0	36,253	SEC↗
BAYLESS KATHLEEN A	Director	A Award	2023-04-25	2023-04-27	34,762	—	$0	34,762	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	F Tax w/h	2022-12-14	2023-05-03	209	$7.20	$1.5K	29,791	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise deriv	2022-12-14	2022-12-15	30,000	—	$0	515,962	SEC↗
Stefan Constantin Ionel	Chief Technology Officer	M Exercise	2022-12-14	2022-12-15	30,000	$0.05	$1.5K	30,000	SEC↗
MIRRO JUSTIN E	Director	A Award deriv	2022-09-14	2022-09-16	200,000	$0.50	$100.0K	200,000	SEC↗
MIRRO JUSTIN E	Director	C Conversion deriv	2022-09-14	2022-09-16	9,857,142	—	$0	0	SEC↗
MIRRO JUSTIN E	Director	J Other deriv	2022-09-14	2022-09-16	4,700,000	—	$0	4,700,000	SEC↗
MIRRO JUSTIN E	Director	A Award deriv	2022-09-14	2022-09-16	111,000	—	$0	111,000	SEC↗
Kensington Capital Sponsor IV	Other	C Conversion deriv	2022-09-14	2022-09-16	9,857,142	—	$0	0	SEC↗
Kensington Capital Sponsor IV	Other	J Other deriv	2022-09-14	2022-09-16	16,000,000	—	$0	16,000,000	SEC↗
Kensington Capital Sponsor IV	Other	J Other deriv	2022-09-14	2022-09-16	6,535,000	—	$0	6,535,000	SEC↗