Sandgaard Thomas

Insider CIK 1322971 · ZYXI President, CEO and Chairman, Director, 10% owner

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
ZYXI ZYNEX INC	G Gift	2025-03-13	2025-03-17	25,000	—	$0	12,883,151	SEC↗
ZYXI ZYNEX INC	D To issuer	2025-03-13	2025-03-17	1,700,000	$2.91	$4.95M	12,908,151	SEC↗
ZYXI ZYNEX INC	S Sale	2024-11-14	2024-11-18	2,000	$8.09	$16.2K	14,603,662	SEC↗
ZYXI ZYNEX INC	S Sale	2024-11-13	2024-11-13	2,000	$8.37	$16.7K	14,605,662	SEC↗
ZYXI ZYNEX INC	S Sale	2024-11-12	2024-11-13	2,000	$9.24	$18.5K	14,607,662	SEC↗
ZYXI ZYNEX INC	S Sale	2024-11-11	2024-11-13	2,000	$9.09	$18.2K	14,609,662	SEC↗
ZYXI ZYNEX INC	S Sale	2024-11-08	2024-11-13	2,000	$8.77	$17.5K	14,611,662	SEC↗
ZYXI ZYNEX INC	S Sale	2024-11-07	2024-11-13	2,000	$9.17	$18.3K	14,613,662	SEC↗
ZYXI ZYNEX INC	S Sale	2024-11-06	2024-11-06	2,000	$8.82	$17.6K	14,615,662	SEC↗
ZYXI ZYNEX INC	S Sale	2024-11-05	2024-11-06	2,000	$8.05	$16.1K	14,617,662	SEC↗
ZYXI ZYNEX INC	S Sale	2024-11-04	2024-11-06	2,000	$8.67	$17.3K	14,619,350	SEC↗
ZYXI ZYNEX INC	S Sale	2024-11-01	2024-11-01	2,000	$8.63	$17.3K	14,621,350	SEC↗
ZYXI ZYNEX INC	S Sale	2024-10-31	2024-11-01	2,000	$8.82	$17.6K	14,623,350	SEC↗
ZYXI ZYNEX INC	S Sale	2024-10-30	2024-11-01	2,000	$8.92	$17.8K	14,625,350	SEC↗
ZYXI ZYNEX INC	A Award	2024-10-29	2024-10-29	6,912	—	$0	21,196	SEC↗
ZYXI ZYNEX INC	A Award	2024-07-30	2024-07-30	2,760	—	$0	19,176	SEC↗
ZYXI ZYNEX INC	A Award	2024-04-30	2024-05-02	2,563	—	$0	21,630	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2024-03-25	2024-03-26	2,268	$12.74	$28.9K	14,613,738	SEC↗
ZYXI ZYNEX INC	A Award	2023-10-27	2023-10-31	9,178	—	$0	24,271	SEC↗
ZYXI ZYNEX INC	M Exercise deriv	2023-10-16	2023-10-17	52,250	—	$0	156,750	SEC↗
ZYXI ZYNEX INC	M Exercise deriv	2023-10-16	2023-10-17	52,250	—	$0	0	SEC↗
ZYXI ZYNEX INC	M Exercise deriv	2023-10-16	2023-10-17	52,250	—	$0	52,250	SEC↗
ZYXI ZYNEX INC	M Exercise deriv	2023-10-16	2023-10-17	52,250	—	$0	104,500	SEC↗
ZYXI ZYNEX INC	M Exercise	2023-10-16	2023-10-17	209,000	$0.20	$41.8K	14,604,465	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2023-09-25	2023-09-25	461	$8.41	$3.9K	14,395,465	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2023-09-15	2023-09-18	273	$8.29	$2.3K	14,394,679	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2023-08-07	2023-08-07	638	$8.03	$5.1K	14,394,214	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2023-07-31	2023-07-31	554	$9.76	$5.4K	14,393,128	SEC↗
ZYXI ZYNEX INC	A Award	2023-07-28	2023-07-31	6,089	—	$0	27,980	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2023-06-26	2023-06-26	461	$9.51	$4.4K	14,392,184	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2023-06-15	2023-06-15	273	$9.47	$2.6K	14,391,398	SEC↗
ZYXI ZYNEX INC	D To issuer	2023-06-13	2023-06-15	300,000	$8.62	$2.59M	14,390,933	SEC↗
ZYXI ZYNEX INC	D To issuer	2023-05-10	2023-05-11	300,000	$9.61	$2.88M	14,690,933	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2023-05-05	2023-05-05	613	$9.37	$5.7K	14,990,933	SEC↗
ZYXI ZYNEX INC	A Award	2023-05-05	2023-05-05	2,495	—	$0	25,374	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2023-05-01	2023-05-02	554	$13.34	$7.4K	14,989,889	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2023-03-24	2023-03-27	461	$10.99	$5.1K	14,988,946	SEC↗
ZYXI ZYNEX INC	A Award	2023-03-15	2023-03-17	5,902	—	$0	27,280	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2023-02-06	2023-02-06	611	$12.95	$7.9K	14,988,160	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2023-01-30	2023-01-30	554	$14.18	$7.9K	14,987,118	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2022-12-27	2022-12-28	461	$13.76	$6.3K	14,986,175	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2022-11-07	2022-11-07	612	$13.24	$8.1K	14,985,389	SEC↗
ZYXI ZYNEX INC	A Award	2022-10-29	2022-11-01	7,464	—	$0	27,430	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2022-10-29	2022-11-01	209	$11.40	$2.4K	14,984,346	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2022-09-26	2022-09-26	461	$8.66	$4.0K	14,983,991	SEC↗
ZYXI ZYNEX INC	A Award	2022-08-05	2022-08-08	8,012	—	$0	21,777	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2022-08-05	2022-08-08	242	$9.34	$2.3K	14,983,205	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2022-07-29	2022-07-29	209	$8.58	$1.8K	14,982,795	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2022-06-24	2022-06-27	460	$7.93	$3.6K	14,982,439	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2022-05-05	2022-05-06	90	$6.23	$561	14,981,394	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2022-05-05	2022-05-06	153	$6.23	$953	14,981,653	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2022-04-29	2022-04-29	209	$6.37	$1.3K	14,981,243	SEC↗
ZYXI ZYNEX INC	A Award	2022-03-24	2022-03-25	9,973	—	$0	17,447	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2021-11-05	2021-11-08	81	$14.07	$1.1K	13,617,881	SEC↗
ZYXI ZYNEX INC	A Award	2021-11-05	2021-11-08	2,992	—	$0	7,901	SEC↗
ZYXI ZYNEX INC	F Tax w/h	2021-10-29	2021-11-01	190	$12.53	$2.4K	13,617,743	SEC↗
ZYXI ZYNEX INC	S Sale	2021-08-06	2021-08-10	177,320	$15.17	$2.69M	13,617,420	SEC↗
ZYXI ZYNEX INC	A Award	2021-07-29	2021-07-30	4,106	—	$0	5,860	SEC↗
ZYXI ZYNEX INC	A Award	2021-05-05	2021-05-06	1,754	—	$0	1,754	SEC↗
ZYXI ZYNEX INC	J Other	2020-11-30	2020-12-02	194,333	—	$0	1,101,217	SEC↗
ZYXI ZYNEX INC	J Other	2020-11-30	2020-12-02	9,068	—	$0	1,092,149	SEC↗
ZYXI ZYNEX INC	J Other	2020-08-27	2020-12-02	11,386,450	—	$0	1,295,550	SEC↗
ZYXI ZYNEX INC	J Other	2020-08-27	2020-12-02	11,386,450	—	$0	13,794,521	SEC↗
ZYXI ZYNEX INC	S Sale	2020-07-14	2020-07-16	1,250,000	$22.00	$27.50M	12,682,000	SEC↗
ZYXI ZYNEX INC	S Sale	2020-04-29	2020-05-01	50,000	$17.10	$855.0K	13,932,000	SEC↗
ZYXI ZYNEX INC	S Sale	2020-04-28	2020-04-28	19,817	$16.10	$319.1K	13,982,000	SEC↗
ZYXI ZYNEX INC	S Sale	2020-04-27	2020-04-28	30,183	$16.11	$486.2K	14,001,817	SEC↗
ZYXI ZYNEX INC	S Sale	2020-04-24	2020-04-28	25,143	$15.10	$379.7K	14,032,000	SEC↗
ZYXI ZYNEX INC	S Sale	2020-03-05	2020-03-06	24,857	$15.11	$375.6K	14,057,143	SEC↗
ZYXI ZYNEX INC	S Sale	2020-03-03	2020-03-03	4,211	$14.14	$59.5K	14,082,000	SEC↗
ZYXI ZYNEX INC	S Sale	2020-03-02	2020-03-03	40,068	$14.12	$565.8K	14,086,211	SEC↗
ZYXI ZYNEX INC	S Sale	2020-02-24	2020-02-26	5,721	$14.10	$80.7K	14,126,279	SEC↗
ZYXI ZYNEX INC	S Sale	2020-02-24	2020-02-26	50,000	$13.60	$680.0K	14,132,000	SEC↗
ZYXI ZYNEX INC	S Sale	2020-02-24	2020-02-26	45,550	$13.10	$596.7K	14,182,000	SEC↗
ZYXI ZYNEX INC	A Award	2020-01-08	2020-01-10	100,000	—	$0	100,000	SEC↗
ZYXI ZYNEX INC	X Exercise deriv	2019-10-16	2019-10-17	203,571	—	$0	0	SEC↗
ZYXI ZYNEX INC	X Exercise	2019-10-16	2019-10-17	203,571	$0.14	$28.5K	16,560,692	SEC↗
ZYXI ZYNEX INC	S Sale	2019-10-07	2019-10-08	4,450	$13.10	$58.3K	14,227,550	SEC↗
ZYXI ZYNEX INC	S Sale	2019-10-07	2019-10-08	8,320	$12.60	$104.8K	14,232,000	SEC↗
ZYXI ZYNEX INC	S Sale	2019-10-04	2019-10-08	41,680	$12.60	$525.2K	14,240,320	SEC↗
ZYXI ZYNEX INC	S Sale	2019-10-04	2019-10-08	50,000	$12.10	$605.0K	14,282,000	SEC↗
ZYXI ZYNEX INC	S Sale	2019-10-03	2019-10-03	50,000	$11.61	$580.5K	14,332,000	SEC↗
ZYXI ZYNEX INC	S Sale	2019-10-02	2019-10-03	18,740	$11.11	$208.2K	14,382,000	SEC↗
ZYXI ZYNEX INC	S Sale	2019-08-19	2019-08-19	31,260	$11.20	$350.1K	14,400,740	SEC↗
ZYXI ZYNEX INC	S Sale	2019-08-16	2019-08-19	100,000	$10.38	$1.04M	14,432,000	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-10	2019-06-10	40,189	$8.92	$358.5K	14,532,000	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-07	2019-06-07	15,985	$8.39	$134.1K	14,637,820	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-07	2019-06-07	500	$8.39	$4.2K	14,637,320	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-07	2019-06-07	2,500	$8.43	$21.1K	14,656,180	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-07	2019-06-07	100	$8.45	$845	14,658,680	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-07	2019-06-07	22,874	$8.37	$191.5K	14,614,346	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-07	2019-06-07	1,327	$8.33	$11.1K	14,596,717	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-07	2019-06-07	1,700	$8.33	$14.2K	14,598,044	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-07	2019-06-07	100	$8.35	$835	14,599,744	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-07	2019-06-07	14,500	$8.35	$121.1K	14,599,844	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-07	2019-06-07	2	$8.36	$17	14,614,344	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-07	2019-06-07	2,375	$8.41	$20.0K	14,653,805	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-07	2019-06-07	100	$8.38	$838	14,637,220	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-07	2019-06-07	100	$8.31	$831	14,596,517	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-07	2019-06-07	14,517	$8.30	$120.5K	14,582,000	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-07	2019-06-07	100	$8.31	$831	14,596,617	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-07	2019-06-10	9,811	$8.75	$85.8K	14,572,189	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-06	18,201	$8.00	$145.6K	14,800,000	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	8,429	$8.45	$71.2K	14,778,789	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	7,946	$8.45	$67.1K	14,787,218	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	225	$8.44	$1.9K	14,795,164	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	4,611	$8.44	$38.9K	14,795,389	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	800	$8.57	$6.9K	14,658,780	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	2,600	$8.56	$22.3K	14,659,580	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	426	$8.56	$3.6K	14,662,180	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	31,080	$8.55	$265.7K	14,662,606	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	100	$8.55	$855	14,693,686	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	500	$8.55	$4.3K	14,693,786	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	1,558	$8.54	$13.3K	14,694,286	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	245	$8.53	$2.1K	14,695,844	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	100	$8.46	$846	14,778,589	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	100	$8.46	$846	14,778,689	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	41,600	$8.53	$354.8K	14,696,089	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	900	$8.52	$7.7K	14,737,689	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	20,000	$8.51	$170.2K	14,738,589	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-06	2019-06-07	20,000	$8.50	$170.0K	14,758,589	SEC↗
ZYXI ZYNEX INC	S Sale	2019-06-05	2019-06-06	17,667	$8.00	$141.3K	14,818,201	SEC↗
ZYXI ZYNEX INC	S Sale	2019-05-21	2019-05-23	9,045	$8.00	$72.4K	14,835,868	SEC↗
ZYXI ZYNEX INC	S Sale	2019-05-15	2019-05-15	5,087	$8.00	$40.7K	14,844,913	SEC↗
ZYXI ZYNEX INC	S Sale	2019-05-14	2019-05-15	10,209	$7.25	$74.0K	14,850,000	SEC↗
ZYXI ZYNEX INC	S Sale	2019-05-13	2019-05-15	107	$7.25	$776	14,860,209	SEC↗
ZYXI ZYNEX INC	S Sale	2019-05-10	2019-05-10	8,000	$7.25	$58.0K	14,860,316	SEC↗
ZYXI ZYNEX INC	S Sale	2019-05-09	2019-05-10	600	$7.25	$4.3K	14,868,316	SEC↗
ZYXI ZYNEX INC	S Sale	2019-05-08	2019-05-10	31,084	$7.25	$225.4K	14,868,916	SEC↗
ZYXI ZYNEX INC	S Sale	2019-05-03	2019-05-06	100,000	$6.76	$676.0K	14,900,000	SEC↗
ZYXI ZYNEX INC	S Sale	2019-04-08	2019-04-09	78,917	$4.77	$376.4K	15,000,000	SEC↗
ZYXI ZYNEX INC	S Sale	2019-04-05	2019-04-09	4,277	$4.75	$20.3K	15,078,917	SEC↗
ZYXI ZYNEX INC	S Sale	2019-04-04	2019-04-04	3,392	$4.75	$16.1K	15,082,794	SEC↗
ZYXI ZYNEX INC	S Sale	2019-04-04	2019-04-09	3,392	$4.75	$16.1K	15,083,194	SEC↗
ZYXI ZYNEX INC	S Sale	2019-04-03	2019-04-04	13,414	$4.75	$63.7K	15,086,186	SEC↗
ZYXI ZYNEX INC	S Sale	2019-04-03	2019-04-09	13,014	$4.75	$61.8K	15,086,586	SEC↗
ZYXI ZYNEX INC	S Sale	2019-04-02	2019-04-04	400	$4.75	$1.9K	15,099,600	SEC↗
ZYXI ZYNEX INC	S Sale	2019-04-02	2019-04-09	400	$4.75	$1.9K	15,099,600	SEC↗
ZYXI ZYNEX INC	S Sale	2019-03-20	2019-03-21	13,293	$4.40	$58.5K	15,100,000	SEC↗
ZYXI ZYNEX INC	S Sale	2019-03-19	2019-03-21	34,715	$4.41	$153.1K	15,113,293	SEC↗
ZYXI ZYNEX INC	S Sale	2019-03-18	2019-03-18	11,224	$4.40	$49.4K	15,148,008	SEC↗
ZYXI ZYNEX INC	S Sale	2019-03-15	2019-03-18	26,076	$4.44	$115.8K	15,159,232	SEC↗
ZYXI ZYNEX INC	S Sale	2019-03-14	2019-03-18	14,692	$4.65	$68.3K	15,185,308	SEC↗