Thomas M. Ross

Insider

First SEC filing: July 29, 2021 · Latest: July 29, 2021

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

MXCT selling April 12, 2023

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 51 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

51 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
April 12, 2023	MXCT	M 10b5-1	5,583	—	—	13,868 Direct	-28.70%	Disposed	(price as of 2026-08-20)
April 12, 2023	MXCT	S 10b5-1	5,583	$5.00	$27,915	0 Direct	-100.00%	Disposed	-72.1% (price as of 2026-08-20)
April 12, 2023	MXCT	M 10b5-1	5,583	$2.14	$11,948	5,583 Direct	—	Acquired	-34.8% (price as of 2026-08-20)
April 11, 2023	MXCT	M 10b5-1	8,451	—	—	19,451 Direct	-30.29%	Disposed	(price as of 2026-08-20)
April 11, 2023	MXCT	S 10b5-1	8,451	$5.00	$42,255	0 Direct	-100.00%	Disposed	-72.1% (price as of 2026-08-20)
April 11, 2023	MXCT	M 10b5-1	8,451	$2.14	$18,085	8,451 Direct	—	Acquired	-34.8% (price as of 2026-08-20)
April 10, 2023	MXCT	M 10b5-1	100	—	—	27,902 Direct	-0.36%	Disposed	(price as of 2026-08-20)
April 10, 2023	MXCT	S 10b5-1	100	$5.00	$500	0 Direct	-100.00%	Disposed	-72.1% (price as of 2026-08-20)
April 10, 2023	MXCT	M 10b5-1	100	$2.14	$214	100 Direct	—	Acquired	-34.8% (price as of 2026-08-20)
April 6, 2023	MXCT	M 10b5-1	27,193	—	—	28,002 Direct	-49.27%	Disposed	(price as of 2026-08-20)
April 6, 2023	MXCT	S 10b5-1	27,193	$5.03	$136,781	0 Direct	-100.00%	Disposed	-72.3% (price as of 2026-08-20)
April 6, 2023	MXCT	M 10b5-1	27,193	$2.14	$58,193	27,193 Direct	—	Acquired	-34.8% (price as of 2026-08-20)
April 5, 2023	MXCT	M 10b5-1	6,967	—	—	55,195 Direct	-11.21%	Disposed	(price as of 2026-08-20)
April 5, 2023	MXCT	S 10b5-1	6,967	$5.00	$34,835	0 Direct	-100.00%	Disposed	-72.1% (price as of 2026-08-20)
April 5, 2023	MXCT	M 10b5-1	6,967	$2.14	$14,909	6,967 Direct	—	Acquired	-34.8% (price as of 2026-08-20)
April 4, 2023	MXCT	M 10b5-1	7,266	—	—	62,162 Direct	-10.47%	Disposed	(price as of 2026-08-20)
April 4, 2023	MXCT	S 10b5-1	7,266	$5.03	$36,548	0 Direct	-100.00%	Disposed	-72.3% (price as of 2026-08-20)
April 4, 2023	MXCT	M 10b5-1	7,266	$2.14	$15,549	7,266 Direct	—	Acquired	-34.8% (price as of 2026-08-20)
April 3, 2023	MXCT	M 10b5-1	100	—	—	69,428 Direct	-0.14%	Disposed	(price as of 2026-08-20)
April 3, 2023	MXCT	S 10b5-1	100	$5.01	$501	0 Direct	-100.00%	Disposed	-72.2% (price as of 2026-08-20)
April 3, 2023	MXCT	M 10b5-1	100	$2.14	$214	100 Direct	—	Acquired	-34.8% (price as of 2026-08-20)
March 31, 2023	MXCT	M 10b5-1	2,607	—	—	69,528 Direct	-3.61%	Disposed	(price as of 2026-08-20)
March 31, 2023	MXCT	S 10b5-1	2,607	$5.00	$13,035	0 Direct	-100.00%	Disposed	-72.1% (price as of 2026-08-20)
March 31, 2023	MXCT	M 10b5-1	2,607	$2.14	$5,579	2,607 Direct	—	Acquired	-34.8% (price as of 2026-08-20)
March 20, 2023	MXCT	A	120,000	—	—	120,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 2, 2023	MXCT	M 10b5-1	11,575	—	—	72,135 Direct	-13.83%	Disposed	(price as of 2026-08-20)
Feb. 2, 2023	MXCT	S 10b5-1	11,575	$5.77	$66,788	0 Direct	-100.00%	Disposed	-75.8% (price as of 2026-08-20)
Feb. 2, 2023	MXCT	M 10b5-1	11,575	$2.14	$24,770	11,575 Direct	—	Acquired	-34.8% (price as of 2026-08-20)
Feb. 1, 2023	MXCT	M 10b5-1	15,090	—	—	83,710 Direct	-15.27%	Disposed	(price as of 2026-08-20)
Feb. 1, 2023	MXCT	M 10b5-1	2,468	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 1, 2023	MXCT	S 10b5-1	17,558	$5.68	$99,729	0 Direct	-100.00%	Disposed	-75.4% (price as of 2026-08-20)
Feb. 1, 2023	MXCT	M 10b5-1	15,090	$2.14	$32,293	17,558 Direct	+611.43%	Acquired	-34.8% (price as of 2026-08-20)
Feb. 1, 2023	MXCT	M 10b5-1	2,468	$0.98	$2,419	2,468 Direct	—	Acquired	42.3% (price as of 2026-08-20)
Jan. 5, 2023	MXCT	M 10b5-1	9,467	—	—	2,468 Direct	-79.32%	Disposed	(price as of 2026-08-20)
Jan. 5, 2023	MXCT	S 10b5-1	9,467	$5.04	$47,714	0 Direct	-100.00%	Disposed	-72.3% (price as of 2026-08-20)
Jan. 5, 2023	MXCT	M 10b5-1	9,467	$0.98	$9,278	9,467 Direct	—	Acquired	42.3% (price as of 2026-08-20)
Jan. 4, 2023	MXCT	M 10b5-1	9,153	—	—	11,935 Direct	-43.40%	Disposed	(price as of 2026-08-20)
Jan. 4, 2023	MXCT	S 10b5-1	9,153	$5.07	$46,406	0 Direct	-100.00%	Disposed	-72.5% (price as of 2026-08-20)
Jan. 4, 2023	MXCT	M 10b5-1	9,153	$0.98	$8,970	9,153 Direct	—	Acquired	42.3% (price as of 2026-08-20)
Jan. 3, 2023	MXCT	M 10b5-1	10,513	—	—	21,088 Direct	-33.27%	Disposed	(price as of 2026-08-20)
Jan. 3, 2023	MXCT	S 10b5-1	10,513	$5.13	$53,932	0 Direct	-100.00%	Disposed	-72.8% (price as of 2026-08-20)
Jan. 3, 2023	MXCT	M 10b5-1	10,513	$0.98	$10,303	10,513 Direct	—	Acquired	42.3% (price as of 2026-08-20)
Dec. 5, 2022	MXCT	M 10b5-1	14,133	—	—	31,601 Direct	-30.90%	Disposed	(price as of 2026-08-20)
Dec. 5, 2022	MXCT	S 10b5-1	14,133	$5.59	$79,003	0 Direct	-100.00%	Disposed	-75.0% (price as of 2026-08-20)
Dec. 5, 2022	MXCT	M 10b5-1	14,133	$1.08	$15,264	14,133 Direct	—	Acquired	29.2% (price as of 2026-08-20)
Dec. 2, 2022	MXCT	M 10b5-1	15,000	—	—	45,734 Direct	-24.70%	Disposed	(price as of 2026-08-20)
Dec. 2, 2022	MXCT	S 10b5-1	15,000	$6.02	$90,300	0 Direct	-100.00%	Disposed	-76.8% (price as of 2026-08-20)
Dec. 2, 2022	MXCT	M 10b5-1	15,000	$1.08	$16,200	15,000 Direct	—	Acquired	29.2% (price as of 2026-08-20)
Nov. 2, 2022	MXCT	M 10b5-1	1,266	—	—	60,734 Direct	-2.04%	Disposed	(price as of 2026-08-20)
Nov. 2, 2022	MXCT	M 10b5-1	4,438	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 2, 2022	MXCT	S 10b5-1	5,704	$6.85	$39,072	0 Direct	-100.00%	Disposed	-79.6% (price as of 2026-08-20)
Nov. 2, 2022	MXCT	M 10b5-1	1,266	$1.08	$1,367	5,704 Direct	+28.53%	Acquired	29.2% (price as of 2026-08-20)
Nov. 2, 2022	MXCT	M 10b5-1	4,438	$0.84	$3,728	4,438 Direct	—	Acquired	66.1% (price as of 2026-08-20)
Nov. 1, 2022	MXCT	M 10b5-1	23,429	—	—	4,438 Direct	-84.07%	Disposed	(price as of 2026-08-20)
Nov. 1, 2022	MXCT	S 10b5-1	23,429	$6.94	$162,597	0 Direct	-100.00%	Disposed	-79.9% (price as of 2026-08-20)
Nov. 1, 2022	MXCT	M 10b5-1	23,429	$0.84	$19,680	23,429 Direct	—	Acquired	66.1% (price as of 2026-08-20)
Oct. 11, 2022	MXCT	M 10b5-1	4,282	—	—	27,867 Direct	-13.32%	Disposed	(price as of 2026-08-20)
Oct. 11, 2022	MXCT	S 10b5-1	4,282	$6.51	$27,876	0 Direct	-100.00%	Disposed	-78.6% (price as of 2026-08-20)
Oct. 11, 2022	MXCT	M 10b5-1	4,282	$0.84	$3,597	4,282 Direct	—	Acquired	66.1% (price as of 2026-08-20)
Oct. 10, 2022	MXCT	M 10b5-1	24,851	—	—	32,149 Direct	-43.60%	Disposed	(price as of 2026-08-20)
Oct. 10, 2022	MXCT	S 10b5-1	24,851	$6.45	$160,289	0 Direct	-100.00%	Disposed	-78.4% (price as of 2026-08-20)
Oct. 10, 2022	MXCT	M 10b5-1	24,851	$0.84	$20,875	24,851 Direct	—	Acquired	66.1% (price as of 2026-08-20)
March 25, 2022	MXCT	A	142,000	—	—	142,000 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 16, 2021	MXCT	M	31,163	—	—	57,000 Direct	-35.35%	Disposed	(price as of 2026-08-20)
Nov. 16, 2021	MXCT	S	31,163	$12.08	$376,449	0 Direct	-100.00%	Disposed	-88.5% (price as of 2026-08-20)
Nov. 16, 2021	MXCT	M	31,163	$0.84	$26,177	31,163 Direct	—	Acquired	66.1% (price as of 2026-08-20)
Nov. 15, 2021	MXCT	M	51,352	—	—	88,163 Direct	-36.81%	Disposed	(price as of 2026-08-20)
Nov. 15, 2021	MXCT	S	51,352	$12.16	$624,440	0 Direct	-100.00%	Disposed	-88.5% (price as of 2026-08-20)
Nov. 15, 2021	MXCT	M	51,352	$0.84	$43,136	51,352 Direct	—	Acquired	66.1% (price as of 2026-08-20)
Nov. 12, 2021	MXCT	M	42,590	—	—	139,515 Direct	-23.39%	Disposed	(price as of 2026-08-20)
Nov. 12, 2021	MXCT	S	42,590	$12.66	$539,189	0 Direct	-100.00%	Disposed	-89.0% (price as of 2026-08-20)
Nov. 12, 2021	MXCT	M	42,590	$0.84	$35,776	42,590 Direct	—	Acquired	66.1% (price as of 2026-08-20)
Aug. 9, 2021	MXCT	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
April 12, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (5,583)	$2.14	March 4, 2029	5,583	Disposed
April 11, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (8,451)	$2.14	March 4, 2029	8,451	Disposed
April 10, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (100)	$2.14	March 4, 2029	100	Disposed
April 6, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (27,193)	$2.14	March 4, 2029	27,193	Disposed
April 5, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (6,967)	$2.14	March 4, 2029	6,967	Disposed
April 4, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (7,266)	$2.14	March 4, 2029	7,266	Disposed
April 3, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (100)	$2.14	March 4, 2029	100	Disposed
March 31, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (2,607)	$2.14	March 4, 2029	2,607	Disposed
March 20, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (120,000)	$4.19	March 19, 2033	120,000	Acquired
Feb. 2, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (11,575)	$2.14	March 4, 2029	11,575	Disposed
Feb. 1, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (15,090)	$2.14	March 4, 2029	15,090	Disposed
Feb. 1, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (2,468)	$0.98	June 13, 2026	2,468	Disposed
Jan. 5, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (9,467)	$0.98	June 13, 2026	9,467	Disposed
Jan. 4, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (9,153)	$0.98	June 13, 2026	9,153	Disposed
Jan. 3, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (10,513)	$0.98	June 13, 2026	10,513	Disposed
Dec. 5, 2022	MXCT	Employee Stock Option (right to buy)	Common Stock (14,133)	—	June 13, 2026	14,133	Disposed
Dec. 2, 2022	MXCT	Employee Stock Option (right to buy)	Common Stock (15,000)	—	June 13, 2026	15,000	Disposed
Nov. 2, 2022	MXCT	Employee Stock Option (right to buy)	Common Stock (1,266)	—	June 13, 2026	1,266	Disposed
Nov. 2, 2022	MXCT	Employee Stock Option (right to buy)	Common Stock (4,438)	$0.84	Jan. 10, 2026	4,438	Disposed
Nov. 1, 2022	MXCT	Employee Stock Option (right to buy)	Common Stock (23,429)	$0.84	Jan. 10, 2026	23,429	Disposed
Oct. 11, 2022	MXCT	Employee Stock Option (right to buy)	Common Stock (4,282)	$0.84	Jan. 10, 2026	4,282	Disposed
Oct. 10, 2022	MXCT	Employee Stock Option (right to buy)	Common Stock (24,851)	$0.84	Jan. 10, 2026	24,851	Disposed
March 25, 2022	MXCT	Employee Stock Option (right to buy)	Common Stock (142,000)	$7.12	March 24, 2032	142,000	Acquired
Nov. 16, 2021	MXCT	Employee Stock Option (right to buy)	Common Stock (31,163)	$0.84	Jan. 10, 2026	31,163	Disposed
Nov. 15, 2021	MXCT	Employee Stock Option (right to buy)	Common Stock (51,352)	$0.84	Jan. 10, 2026	51,352	Disposed
Nov. 12, 2021	MXCT	Employee Stock Option (right to buy)	Common Stock (42,590)	$0.84	Jan. 10, 2026	42,590	Disposed
Aug. 9, 2021	MXCT	Stock Option (right to buy)	Common Stock (10,000)	$16.63	Aug. 9, 2031	10,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 7 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
July 29, 2021	MXCT	Employee Stock Option (right to buy)→ Common Stock (182,105)	182,105	Direct
July 29, 2021	MXCT	Employee Stock Option (right to buy)→ Common Stock (62,000)	62,000	Direct
July 29, 2021	MXCT	Employee Stock Option (right to buy)→ Common Stock (75,000)	75,000	Direct
July 29, 2021	MXCT	Employee Stock Option (right to buy)→ Common Stock (75,000)	75,000	Direct
July 29, 2021	MXCT	Employee Stock Option (right to buy)→ Common Stock (98,800)	98,800	Direct
July 29, 2021	MXCT	Employee Stock Option (right to buy)→ Common Stock (100,000)	100,000	Direct
July 29, 2021	MXCT	Employee Stock Option (right to buy)→ Common Stock (100,000)	100,000	Direct