Marcus Gail Boxer

Insider CIK 1702176 · GTS Director · NTRA Director

Track record PRO

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Track record

See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.

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Trades across companies

Ticker	Code	Trade	Filed	Shares	Price	Value	Owned after
NTRA Natera, Inc.	A Award	2026-06-26	2026-06-30	98	—	$0	7,852	SEC↗
NTRA Natera, Inc.	A Award	2026-06-26	2026-06-30	1,571	—	$0	7,754	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2026-06-05	2026-06-09	11,000	—	$0	11,000	SEC↗
NTRA Natera, Inc.	S Sale	2026-06-05	2026-06-09	116	$218.82	$25.4K	6,183	SEC↗
NTRA Natera, Inc.	M Exercise	2026-06-05	2026-06-09	11,000	$22.83	$251.1K	17,183	SEC↗
NTRA Natera, Inc.	S Sale	2026-06-05	2026-06-09	3,016	$216.06	$651.6K	14,167	SEC↗
NTRA Natera, Inc.	S Sale	2026-06-05	2026-06-09	4,694	$217.30	$1.02M	9,473	SEC↗
NTRA Natera, Inc.	S Sale	2026-06-05	2026-06-09	3,174	$218.11	$692.3K	6,299	SEC↗
NTRA Natera, Inc.	A Award	2026-04-24	2026-04-28	222	—	$0	6,183	SEC↗
NTRA Natera, Inc.	A Award	2026-04-24	2026-04-28	108	—	$0	5,961	SEC↗
NTRA Natera, Inc.	A Award	2026-01-30	2026-02-03	91	—	$0	5,853	SEC↗
NTRA Natera, Inc.	S Sale	2025-11-03	2025-11-04	122	$198.71	$24.2K	5,762	SEC↗
NTRA Natera, Inc.	A Award	2025-10-31	2025-11-04	121	—	$0	5,884	SEC↗
NTRA Natera, Inc.	S Sale	2025-08-01	2025-08-05	1,313	$132.73	$174.3K	6,946	SEC↗
NTRA Natera, Inc.	S Sale	2025-08-01	2025-08-05	1,183	$133.66	$158.1K	5,763	SEC↗
NTRA Natera, Inc.	A Award	2025-07-25	2025-07-29	141	—	$0	8,259	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2025-07-01	2025-07-03	4,299	—	$0	0	SEC↗
NTRA Natera, Inc.	S Sale	2025-07-01	2025-07-03	2,651	$167.56	$444.2K	8,118	SEC↗
NTRA Natera, Inc.	M Exercise	2025-07-01	2025-07-03	4,299	$24.42	$105.0K	12,417	SEC↗
NTRA Natera, Inc.	S Sale	2025-07-01	2025-07-03	1,648	$167.05	$275.3K	10,769	SEC↗
NTRA Natera, Inc.	A Award	2025-06-27	2025-07-01	2,143	—	$0	7,847	SEC↗
NTRA Natera, Inc.	A Award	2025-06-27	2025-07-01	271	—	$0	8,118	SEC↗
NTRA Natera, Inc.	S Sale	2025-06-10	2025-06-11	3,400	$164.33	$558.7K	6,304	SEC↗
NTRA Natera, Inc.	S Sale	2025-06-10	2025-06-11	600	$165.05	$99.0K	5,704	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2025-05-01	2025-05-02	4,000	—	$0	4,299	SEC↗
NTRA Natera, Inc.	S Sale	2025-05-01	2025-05-02	1,450	$153.06	$221.9K	9,704	SEC↗
NTRA Natera, Inc.	S Sale	2025-05-01	2025-05-02	942	$152.22	$143.4K	11,154	SEC↗
NTRA Natera, Inc.	S Sale	2025-05-01	2025-05-02	672	$151.37	$101.7K	12,096	SEC↗
NTRA Natera, Inc.	S Sale	2025-05-01	2025-05-02	341	$149.96	$51.1K	12,768	SEC↗
NTRA Natera, Inc.	S Sale	2025-05-01	2025-05-02	241	$149.05	$35.9K	13,109	SEC↗
NTRA Natera, Inc.	S Sale	2025-05-01	2025-05-02	323	$147.95	$47.8K	13,350	SEC↗
NTRA Natera, Inc.	S Sale	2025-05-01	2025-05-02	31	$146.34	$4.5K	13,673	SEC↗
NTRA Natera, Inc.	M Exercise	2025-05-01	2025-05-02	4,000	$24.42	$97.7K	13,704	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2025-04-01	2025-04-03	2,870	—	$0	8,299	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2025-04-01	2025-04-03	1,130	—	$0	0	SEC↗
NTRA Natera, Inc.	S Sale	2025-04-01	2025-04-03	1,512	$140.17	$211.9K	11,794	SEC↗
NTRA Natera, Inc.	S Sale	2025-04-01	2025-04-03	398	$139.33	$55.5K	13,306	SEC↗
NTRA Natera, Inc.	S Sale	2025-04-01	2025-04-03	197	$142.82	$28.1K	9,704	SEC↗
NTRA Natera, Inc.	M Exercise	2025-04-01	2025-04-03	1,130	$7.86	$8.9K	10,834	SEC↗
NTRA Natera, Inc.	S Sale	2025-04-01	2025-04-03	1,528	$141.13	$215.6K	10,266	SEC↗
NTRA Natera, Inc.	S Sale	2025-04-01	2025-04-03	365	$142.25	$51.9K	9,901	SEC↗
NTRA Natera, Inc.	M Exercise	2025-04-01	2025-04-03	2,870	$24.42	$70.1K	13,704	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2025-03-12	2025-03-14	4,000	—	$0	1,130	SEC↗
NTRA Natera, Inc.	M Exercise	2025-03-12	2025-03-14	4,000	$7.86	$31.4K	13,704	SEC↗
NTRA Natera, Inc.	S Sale	2025-03-12	2025-03-14	381	$149.27	$56.9K	9,704	SEC↗
NTRA Natera, Inc.	S Sale	2025-03-12	2025-03-14	1,682	$148.71	$250.1K	10,085	SEC↗
NTRA Natera, Inc.	S Sale	2025-03-12	2025-03-14	923	$147.20	$135.9K	11,767	SEC↗
NTRA Natera, Inc.	S Sale	2025-03-12	2025-03-14	1,014	$145.86	$147.9K	12,690	SEC↗
NTRA Natera, Inc.	S Sale	2024-11-19	2024-11-21	2,100	$160.52	$337.1K	9,704	SEC↗
NTRA Natera, Inc.	S Sale	2024-11-19	2024-11-21	7,582	$159.83	$1.21M	11,804	SEC↗
NTRA Natera, Inc.	S Sale	2024-11-14	2024-11-15	500	$156.75	$78.4K	21,098	SEC↗
NTRA Natera, Inc.	S Sale	2024-11-14	2024-11-15	200	$162.04	$32.4K	19,386	SEC↗
NTRA Natera, Inc.	S Sale	2024-11-14	2024-11-15	371	$159.85	$59.3K	19,586	SEC↗
NTRA Natera, Inc.	S Sale	2024-11-14	2024-11-15	350	$159.19	$55.7K	19,957	SEC↗
NTRA Natera, Inc.	S Sale	2024-11-14	2024-11-15	791	$157.86	$124.9K	20,307	SEC↗
NTRA Natera, Inc.	A Award	2024-06-28	2024-07-02	2,964	—	$0	21,598	SEC↗
NTRA Natera, Inc.	S Sale	2024-05-30	2024-05-31	2,000	$110.17	$220.3K	18,634	SEC↗
NTRA Natera, Inc.	A Award	2024-04-26	2024-04-30	488	—	$0	20,634	SEC↗
NTRA Natera, Inc.	S Sale	2023-12-08	2023-12-12	500	$57.52	$28.8K	20,146	SEC↗
NTRA Natera, Inc.	S Sale	2023-11-21	2023-11-22	1,000	$54.31	$54.3K	20,646	SEC↗
NTRA Natera, Inc.	A Award	2023-06-30	2023-07-05	5,500	—	$0	21,646	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2023-05-25	2023-05-26	7,068	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise	2023-05-25	2023-05-26	7,068	—	$0	16,146	SEC↗
NTRA Natera, Inc.	A Award deriv	2023-04-14	2023-04-18	232	$32.88	$7.6K	232	SEC↗
NTRA Natera, Inc.	A Award	2023-04-14	2023-04-18	148	$54.73	$8.1K	9,078	SEC↗
NTRA Natera, Inc.	A Award deriv	2023-01-13	2023-01-18	303	$26.77	$8.1K	303	SEC↗
NTRA Natera, Inc.	A Award	2023-01-13	2023-01-18	203	$40.01	$8.1K	8,930	SEC↗
NTRA Natera, Inc.	A Award deriv	2022-10-14	2022-10-18	325	$24.96	$8.1K	325	SEC↗
NTRA Natera, Inc.	A Award	2022-10-14	2022-10-18	178	$45.42	$8.1K	8,727	SEC↗
NTRA Natera, Inc.	A Award deriv	2022-07-08	2022-07-12	338	$24.02	$8.1K	338	SEC↗
NTRA Natera, Inc.	A Award deriv	2022-07-08	2022-07-12	223	$36.31	$8.1K	223	SEC↗
NTRA Natera, Inc.	A Award	2022-07-08	2022-09-02	223	—	$0	8,549	SEC↗
NTRA Natera, Inc.	A Award deriv	2022-05-27	2022-06-01	7,068	—	$0	7,068	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2022-05-25	2022-05-27	2,614	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise	2022-05-25	2022-05-27	2,614	—	$0	8,326	SEC↗
NTRA Natera, Inc.	A Award deriv	2022-04-08	2022-04-13	281	$28.91	$8.1K	281	SEC↗
GTS TRIPLE-S MANAGEMENT CORP	D To issuer	2022-02-01	2022-02-03	23,079	$36.00	$830.8K	0	SEC↗
NTRA Natera, Inc.	A Award deriv	2022-01-14	2022-01-20	183	$44.20	$8.1K	183	SEC↗
NTRA Natera, Inc.	A Award deriv	2021-10-08	2021-10-12	109	$74.31	$8.1K	109	SEC↗
NTRA Natera, Inc.	A Award deriv	2021-07-23	2021-07-27	109	$74.17	$8.1K	109	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2021-05-28	2021-06-02	5,712	—	$0	0	SEC↗
NTRA Natera, Inc.	A Award deriv	2021-05-28	2021-06-02	2,614	—	$0	2,614	SEC↗
NTRA Natera, Inc.	M Exercise	2021-05-28	2021-06-02	5,712	—	$0	5,712	SEC↗
GTS TRIPLE-S MANAGEMENT CORP	A Award deriv	2021-05-03	2021-05-05	4,435	—	$0	23,079	SEC↗
NTRA Natera, Inc.	A Award deriv	2021-04-09	2021-04-13	118	$68.75	$8.1K	118	SEC↗
NTRA Natera, Inc.	A Award deriv	2021-01-08	2021-01-12	114	$71.10	$8.1K	114	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2020-11-20	2020-11-24	11,400	—	$0	5,130	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2020-11-20	2020-11-24	278	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2020-11-20	2020-11-24	88	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2020-11-20	2020-11-24	442	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2020-11-20	2020-11-24	582	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2020-11-20	2020-11-24	236	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2020-11-20	2020-11-24	614	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2020-11-20	2020-11-24	691	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2020-11-20	2020-11-24	712	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2020-11-20	2020-11-24	468	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2020-11-20	2020-11-24	439	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2020-11-20	2020-11-24	412	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2020-11-20	2020-11-24	923	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2020-11-20	2020-11-24	419	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2020-11-20	2020-11-24	786	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2020-11-20	2020-11-24	679	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise	2020-11-20	2020-11-24	439	$21.59	$9.5K	15,058	SEC↗
NTRA Natera, Inc.	M Exercise	2020-11-20	2020-11-24	468	$20.27	$9.5K	15,526	SEC↗
NTRA Natera, Inc.	M Exercise	2020-11-20	2020-11-24	786	$9.51	$7.5K	12,865	SEC↗
NTRA Natera, Inc.	M Exercise	2020-11-20	2020-11-24	412	$10.29	$4.2K	14,619	SEC↗
NTRA Natera, Inc.	M Exercise	2020-11-20	2020-11-24	923	$10.29	$9.5K	14,207	SEC↗
NTRA Natera, Inc.	M Exercise	2020-11-20	2020-11-24	419	$10.18	$4.3K	13,284	SEC↗
NTRA Natera, Inc.	M Exercise	2020-11-20	2020-11-24	614	$25.64	$15.7K	17,543	SEC↗
NTRA Natera, Inc.	M Exercise	2020-11-20	2020-11-24	691	$20.27	$14.0K	16,929	SEC↗
NTRA Natera, Inc.	M Exercise	2020-11-20	2020-11-24	582	$35.71	$20.8K	18,361	SEC↗
NTRA Natera, Inc.	M Exercise	2020-11-20	2020-11-24	236	$37.06	$8.7K	17,779	SEC↗
NTRA Natera, Inc.	M Exercise	2020-11-20	2020-11-24	442	$40.93	$18.1K	18,803	SEC↗
NTRA Natera, Inc.	M Exercise	2020-11-20	2020-11-24	712	$13.60	$9.7K	16,238	SEC↗
NTRA Natera, Inc.	M Exercise	2020-11-20	2020-11-24	88	$40.93	$3.6K	18,891	SEC↗
NTRA Natera, Inc.	M Exercise	2020-11-20	2020-11-24	278	$46.92	$13.0K	19,169	SEC↗
NTRA Natera, Inc.	M Exercise	2020-11-20	2020-11-24	679	$10.73	$7.3K	12,079	SEC↗
NTRA Natera, Inc.	M Exercise	2020-11-20	2020-11-24	11,400	$7.86	$89.6K	11,400	SEC↗
NTRA Natera, Inc.	S Sale	2020-11-20	2020-11-24	19,169	$85.29	$1.63M	0	SEC↗
NTRA Natera, Inc.	A Award deriv	2020-10-09	2020-10-13	175	—	$0	175	SEC↗
NTRA Natera, Inc.	A Award deriv	2020-07-10	2020-07-14	278	—	$0	278	SEC↗
NTRA Natera, Inc.	A Award deriv	2020-06-12	2020-06-16	442	$18.36	$8.1K	442	SEC↗
NTRA Natera, Inc.	A Award deriv	2020-06-12	2020-06-16	5,712	—	$0	5,712	SEC↗
NTRA Natera, Inc.	A Award deriv	2020-06-12	2020-06-16	88	—	$0	88	SEC↗
NTRA Natera, Inc.	S Sale	2020-05-18	2020-05-20	497	$46.62	$23.2K	0	SEC↗
NTRA Natera, Inc.	S Sale	2020-05-18	2020-05-20	6,781	$45.94	$311.5K	497	SEC↗
GTS TRIPLE-S MANAGEMENT CORP	A Award deriv	2020-04-27	2020-04-29	6,732	—	$0	18,644	SEC↗
NTRA Natera, Inc.	A Award deriv	2020-04-24	2020-04-28	331	$22.61	$7.5K	331	SEC↗
NTRA Natera, Inc.	A Award deriv	2020-04-24	2020-06-16	331	$22.61	$7.5K	0	SEC↗
NTRA Natera, Inc.	A Award deriv	2020-01-24	2020-01-28	582	$21.65	$12.6K	582	SEC↗
NTRA Natera, Inc.	A Award deriv	2019-10-11	2019-10-15	236	$20.68	$4.9K	236	SEC↗
NTRA Natera, Inc.	A Award deriv	2019-07-12	2019-07-23	614	$14.25	$8.7K	614	SEC↗
NTRA Natera, Inc.	A Award deriv	2019-05-24	2019-05-29	22,000	—	$0	22,000	SEC↗
NTRA Natera, Inc.	M Exercise deriv	2019-05-16	2019-11-27	7,278	—	$0	0	SEC↗
NTRA Natera, Inc.	M Exercise	2019-05-16	2019-11-27	7,278	—	$0	7,278	SEC↗
GTS TRIPLE-S MANAGEMENT CORP	A Award deriv	2019-04-29	2019-05-01	4,776	—	$0	11,912	SEC↗
NTRA Natera, Inc.	A Award deriv	2019-04-12	2019-04-16	7,278	—	$0	7,278	SEC↗
NTRA Natera, Inc.	A Award deriv	2019-04-12	2019-04-16	691	$11.53	$8.0K	691	SEC↗
NTRA Natera, Inc.	A Award deriv	2019-01-25	2019-02-01	712	$7.89	$5.6K	712	SEC↗
NTRA Natera, Inc.	A Award deriv	2018-10-26	2018-10-30	468	$12.01	$5.6K	468	SEC↗
NTRA Natera, Inc.	A Award deriv	2018-09-14	2019-04-16	5,785	—	$0	0	SEC↗
NTRA Natera, Inc.	A Award deriv	2018-09-14	2018-09-18	5,785	—	$0	5,785	SEC↗
NTRA Natera, Inc.	A Award deriv	2018-09-14	2018-09-18	11,169	—	$0	11,169	SEC↗
NTRA Natera, Inc.	A Award deriv	2018-07-13	2018-07-16	439	$12.80	$5.6K	439	SEC↗
GTS TRIPLE-S MANAGEMENT CORP	A Award deriv	2018-05-31	2018-06-04	3,001	—	$0	7,136	SEC↗
NTRA Natera, Inc.	A Award deriv	2018-04-13	2018-04-17	923	$6.09	$5.6K	923	SEC↗
NTRA Natera, Inc.	A Award deriv	2018-04-13	2018-04-17	412	$6.09	$2.5K	412	SEC↗
NTRA Natera, Inc.	A Award deriv	2017-12-08	2017-12-12	786	$5.56	$4.4K	786	SEC↗
GTS TRIPLE-S MANAGEMENT CORP	A Award deriv	2017-07-14	2017-07-18	4,135	—	$0	4,135	SEC↗
NTRA Natera, Inc.	A Award deriv	2017-07-14	2017-07-18	679	$7.51	$5.1K	679	SEC↗
NTRA Natera, Inc.	A Award deriv	2017-04-17	2017-04-19	16,530	—	$0	16,530	SEC↗