Douglas Doerfler

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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

MXCT selling Dec. 5, 2023

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 55 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

55 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 5, 2023	MXCT	M 10b5-1	99,442	—	—	85,080 Direct	-53.89%	Disposed	(price as of 2026-08-20)
Dec. 5, 2023	MXCT	S 10b5-1	99,442	$5.17	$514,115	333,197 Direct	-22.98%	Disposed	-73.0% (price as of 2026-08-20)
Dec. 5, 2023	MXCT	M 10b5-1	99,442	$0.04	$3,978	432,639 Direct	+29.84%	Acquired	3387.5% (price as of 2026-08-20)
Dec. 4, 2023	MXCT	M 10b5-1	25,008	—	—	184,522 Direct	-11.94%	Disposed	(price as of 2026-08-20)
Dec. 4, 2023	MXCT	S 10b5-1	25,008	$5.01	$125,290	333,197 Direct	-6.98%	Disposed	-72.2% (price as of 2026-08-20)
Dec. 4, 2023	MXCT	M 10b5-1	25,008	$0.04	$1,000	358,205 Direct	+7.51%	Acquired	3387.5% (price as of 2026-08-20)
Dec. 1, 2023	MXCT	M 10b5-1	20,200	—	—	209,530 Direct	-8.79%	Disposed	(price as of 2026-08-20)
Dec. 1, 2023	MXCT	S 10b5-1	20,200	$5.00	$101,000	333,197 Direct	-5.72%	Disposed	-72.1% (price as of 2026-08-20)
Dec. 1, 2023	MXCT	M 10b5-1	20,200	$0.04	$808	353,397 Direct	+6.06%	Acquired	3387.5% (price as of 2026-08-20)
Nov. 29, 2023	MXCT	M 10b5-1	5,350	—	—	229,730 Direct	-2.28%	Disposed	(price as of 2026-08-20)
Nov. 29, 2023	MXCT	S 10b5-1	5,350	$5.00	$26,750	333,197 Direct	-1.58%	Disposed	-72.1% (price as of 2026-08-20)
Nov. 29, 2023	MXCT	M 10b5-1	5,350	$0.04	$214	338,547 Direct	+1.61%	Acquired	3387.5% (price as of 2026-08-20)
July 12, 2023	MXCT	M 10b5-1	16,757	—	—	235,080 Direct	-6.65%	Disposed	(price as of 2026-08-20)
July 12, 2023	MXCT	S 10b5-1	16,757	$5.02	$84,120	333,197 Direct	-4.79%	Disposed	-72.2% (price as of 2026-08-20)
July 12, 2023	MXCT	M 10b5-1	16,757	$0.04	$670	349,954 Direct	+5.03%	Acquired	3387.5% (price as of 2026-08-20)
July 11, 2023	MXCT	M 10b5-1	12,798	—	—	251,837 Direct	-4.84%	Disposed	(price as of 2026-08-20)
July 11, 2023	MXCT	S 10b5-1	12,798	$5.04	$64,502	333,197 Direct	-3.70%	Disposed	-72.3% (price as of 2026-08-20)
July 11, 2023	MXCT	M 10b5-1	12,798	$0.04	$512	345,995 Direct	+3.84%	Acquired	3387.5% (price as of 2026-08-20)
July 10, 2023	MXCT	M 10b5-1	445	—	—	264,635 Direct	-0.17%	Disposed	(price as of 2026-08-20)
July 10, 2023	MXCT	S 10b5-1	445	$5.01	$2,229	333,197 Direct	-0.13%	Disposed	-72.2% (price as of 2026-08-20)
July 10, 2023	MXCT	M 10b5-1	445	$0.04	$18	333,642 Direct	+0.13%	Acquired	3387.5% (price as of 2026-08-20)
June 14, 2023	MXCT	M 10b5-1	28,883	—	—	265,080 Direct	-9.83%	Disposed	(price as of 2026-08-20)
June 14, 2023	MXCT	S 10b5-1	28,883	$5.04	$145,570	333,197 Direct	-7.98%	Disposed	-72.3% (price as of 2026-08-20)
June 14, 2023	MXCT	M 10b5-1	28,883	$0.04	$1,155	362,080 Direct	+8.67%	Acquired	3387.5% (price as of 2026-08-20)
June 13, 2023	MXCT	M 10b5-1	14,968	—	—	293,963 Direct	-4.85%	Disposed	(price as of 2026-08-20)
June 13, 2023	MXCT	S 10b5-1	14,968	$5.03	$75,289	333,197 Direct	-4.30%	Disposed	-72.3% (price as of 2026-08-20)
June 13, 2023	MXCT	M 10b5-1	14,968	$0.04	$599	348,165 Direct	+4.49%	Acquired	3387.5% (price as of 2026-08-20)
May 3, 2023	MXCT	M 10b5-1	16,149	—	—	308,931 Direct	-4.97%	Disposed	(price as of 2026-08-20)
May 3, 2023	MXCT	S 10b5-1	16,149	$5.02	$81,068	333,197 Direct	-4.62%	Disposed	-72.2% (price as of 2026-08-20)
May 3, 2023	MXCT	M 10b5-1	16,149	$0.04	$646	349,346 Direct	+4.85%	Acquired	3387.5% (price as of 2026-08-20)
April 12, 2023	MXCT	M 10b5-1	12,718	—	—	325,080 Direct	-3.76%	Disposed	(price as of 2026-08-20)
April 12, 2023	MXCT	S 10b5-1	12,718	$5.00	$63,590	333,197 Direct	-3.68%	Disposed	-72.1% (price as of 2026-08-20)
April 12, 2023	MXCT	M 10b5-1	12,718	$0.04	$509	345,915 Direct	+3.82%	Acquired	3387.5% (price as of 2026-08-20)
April 11, 2023	MXCT	M 10b5-1	2,182	—	—	337,798 Direct	-0.64%	Disposed	(price as of 2026-08-20)
April 11, 2023	MXCT	S 10b5-1	2,182	$5.00	$10,910	333,197 Direct	-0.65%	Disposed	-72.1% (price as of 2026-08-20)
April 11, 2023	MXCT	M 10b5-1	2,182	$0.04	$87	335,379 Direct	+0.65%	Acquired	3387.5% (price as of 2026-08-20)
April 10, 2023	MXCT	M 10b5-1	100	—	—	339,980 Direct	-0.03%	Disposed	(price as of 2026-08-20)
April 10, 2023	MXCT	S 10b5-1	100	$5.00	$500	333,197 Direct	-0.03%	Disposed	-72.1% (price as of 2026-08-20)
April 10, 2023	MXCT	M 10b5-1	100	$0.04	$4	333,297 Direct	+0.03%	Acquired	3387.5% (price as of 2026-08-20)
April 6, 2023	MXCT	M 10b5-1	27,862	—	—	340,080 Direct	-7.57%	Disposed	(price as of 2026-08-20)
April 6, 2023	MXCT	S 10b5-1	27,862	$5.03	$140,146	333,197 Direct	-7.72%	Disposed	-72.3% (price as of 2026-08-20)
April 6, 2023	MXCT	M 10b5-1	27,862	$0.04	$1,114	361,059 Direct	+8.36%	Acquired	3387.5% (price as of 2026-08-20)
April 5, 2023	MXCT	M 10b5-1	6,961	—	—	367,942 Direct	-1.86%	Disposed	(price as of 2026-08-20)
April 5, 2023	MXCT	S 10b5-1	6,961	$5.00	$34,805	333,197 Direct	-2.05%	Disposed	-72.1% (price as of 2026-08-20)
April 5, 2023	MXCT	M 10b5-1	6,961	$0.04	$278	340,158 Direct	+2.09%	Acquired	3387.5% (price as of 2026-08-20)
April 4, 2023	MXCT	M 10b5-1	7,470	—	—	374,903 Direct	-1.95%	Disposed	(price as of 2026-08-20)
April 4, 2023	MXCT	S 10b5-1	7,470	$5.03	$37,574	333,197 Direct	-2.19%	Disposed	-72.3% (price as of 2026-08-20)
April 4, 2023	MXCT	M 10b5-1	7,470	$0.04	$299	340,667 Direct	+2.24%	Acquired	3387.5% (price as of 2026-08-20)
April 3, 2023	MXCT	M 10b5-1	100	—	—	382,373 Direct	-0.03%	Disposed	(price as of 2026-08-20)
April 3, 2023	MXCT	S 10b5-1	100	$5.01	$501	333,197 Direct	-0.03%	Disposed	-72.2% (price as of 2026-08-20)
April 3, 2023	MXCT	M 10b5-1	100	$0.04	$4	333,297 Direct	+0.03%	Acquired	3387.5% (price as of 2026-08-20)
March 31, 2023	MXCT	M 10b5-1	2,607	—	—	382,473 Direct	-0.68%	Disposed	(price as of 2026-08-20)
March 31, 2023	MXCT	S 10b5-1	2,607	$5.00	$13,035	333,197 Direct	-0.78%	Disposed	-72.1% (price as of 2026-08-20)
March 31, 2023	MXCT	M 10b5-1	2,607	$0.04	$104	335,804 Direct	+0.78%	Acquired	3387.5% (price as of 2026-08-20)
March 20, 2023	MXCT	A	400,000	—	—	400,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 2, 2023	MXCT	M 10b5-1	10,665	—	—	385,080 Direct	-2.69%	Disposed	(price as of 2026-08-20)
Feb. 2, 2023	MXCT	S 10b5-1	10,665	$5.77	$61,537	333,197 Direct	-3.10%	Disposed	-75.8% (price as of 2026-08-20)
Feb. 2, 2023	MXCT	M 10b5-1	10,665	$0.04	$427	343,862 Direct	+3.20%	Acquired	3387.5% (price as of 2026-08-20)
Feb. 1, 2023	MXCT	M 10b5-1	19,335	—	—	395,745 Direct	-4.66%	Disposed	(price as of 2026-08-20)
Feb. 1, 2023	MXCT	S 10b5-1	19,335	$5.69	$110,016	333,197 Direct	-5.48%	Disposed	-75.5% (price as of 2026-08-20)
Feb. 1, 2023	MXCT	M 10b5-1	19,335	$0.04	$773	352,532 Direct	+5.80%	Acquired	3387.5% (price as of 2026-08-20)
Jan. 5, 2023	MXCT	M 10b5-1	10,234	—	—	415,080 Direct	-2.41%	Disposed	(price as of 2026-08-20)
Jan. 5, 2023	MXCT	S 10b5-1	10,234	$5.04	$51,579	333,197 Direct	-2.98%	Disposed	-72.3% (price as of 2026-08-20)
Jan. 5, 2023	MXCT	M 10b5-1	10,234	$0.04	$409	343,431 Direct	+3.07%	Acquired	3387.5% (price as of 2026-08-20)
Jan. 4, 2023	MXCT	M 10b5-1	9,153	—	—	425,314 Direct	-2.11%	Disposed	(price as of 2026-08-20)
Jan. 4, 2023	MXCT	S 10b5-1	9,153	$5.07	$46,406	333,197 Direct	-2.67%	Disposed	-72.5% (price as of 2026-08-20)
Jan. 4, 2023	MXCT	M 10b5-1	9,153	$0.04	$366	342,350 Direct	+2.75%	Acquired	3387.5% (price as of 2026-08-20)
Jan. 3, 2023	MXCT	M 10b5-1	10,613	$0.04	$425	343,810 Direct	+3.19%	Acquired	3387.5% (price as of 2026-08-20)
Jan. 3, 2023	MXCT	M 10b5-1	10,613	—	—	434,467 Direct	-2.38%	Disposed	(price as of 2026-08-20)
Jan. 3, 2023	MXCT	S 10b5-1	10,613	$5.13	$54,445	333,197 Direct	-3.09%	Disposed	-72.8% (price as of 2026-08-20)
March 25, 2022	MXCT	A	500,000	—	—	500,000 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 16, 2021	MXCT	M	74,890	—	—	445,080 Direct	-14.40%	Disposed	(price as of 2026-08-20)
Nov. 16, 2021	MXCT	S	74,890	$12.08	$904,671	333,197 Direct	-18.35%	Disposed	-88.5% (price as of 2026-08-20)
Nov. 16, 2021	MXCT	M	74,890	$0.04	$2,996	408,087 Direct	+22.48%	Acquired	3387.5% (price as of 2026-08-20)
Nov. 15, 2021	MXCT	M	123,263	—	—	519,970 Direct	-19.16%	Disposed	(price as of 2026-08-20)
Nov. 15, 2021	MXCT	S	123,263	$12.16	$1,498,878	333,197 Direct	-27.00%	Disposed	-88.5% (price as of 2026-08-20)
Nov. 15, 2021	MXCT	M	123,263	$0.04	$4,931	456,460 Direct	+36.99%	Acquired	3387.5% (price as of 2026-08-20)
Nov. 12, 2021	MXCT	M	1,847	—	—	643,233 Direct	-0.29%	Disposed	(price as of 2026-08-20)
Nov. 12, 2021	MXCT	S	101,847	$12.66	$1,289,383	333,197 Direct	-23.41%	Disposed	-89.0% (price as of 2026-08-20)
Nov. 12, 2021	MXCT	M	1,847	$0.04	$74	435,044 Direct	+0.43%	Acquired	3387.5% (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
Dec. 5, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (99,442)	$0.04	Nov. 11, 2024	99,442	Disposed
Dec. 4, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (25,008)	$0.04	Nov. 11, 2024	25,008	Disposed
Dec. 1, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (20,200)	$0.04	Nov. 11, 2024	20,200	Disposed
Nov. 29, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (5,350)	$0.04	Nov. 11, 2024	5,350	Disposed
July 12, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (16,757)	$0.04	Nov. 11, 2024	16,757	Disposed
July 11, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (12,798)	$0.04	Nov. 11, 2024	12,798	Disposed
July 10, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (445)	$0.04	Nov. 11, 2024	445	Disposed
June 14, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (28,883)	$0.04	Nov. 11, 2024	28,883	Disposed
June 13, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (14,968)	$0.04	Nov. 11, 2024	14,968	Disposed
May 3, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (16,149)	$0.04	Nov. 11, 2024	16,149	Disposed
April 12, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (12,718)	$0.04	Nov. 11, 2024	12,718	Disposed
April 11, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (2,182)	$0.04	Nov. 11, 2024	2,182	Disposed
April 10, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (100)	$0.04	Nov. 11, 2024	100	Disposed
April 6, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (27,862)	$0.04	Nov. 11, 2024	27,862	Disposed
April 5, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (6,961)	$0.04	Nov. 11, 2024	6,961	Disposed
April 4, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (7,470)	$0.04	Nov. 11, 2024	7,470	Disposed
April 3, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (100)	$0.04	Nov. 11, 2024	100	Disposed
March 31, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (2,607)	$0.04	Nov. 11, 2024	2,607	Disposed
March 20, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (400,000)	$4.19	March 19, 2033	400,000	Acquired
Feb. 2, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (10,665)	$0.04	Nov. 11, 2024	10,665	Disposed
Feb. 1, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (19,335)	$0.04	Nov. 11, 2024	19,335	Disposed
Jan. 5, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (10,234)	$0.04	Nov. 11, 2024	10,234	Disposed
Jan. 4, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (9,153)	$0.04	Nov. 11, 2024	9,153	Disposed
Jan. 3, 2023	MXCT	Employee Stock Option (right to buy)	Common Stock (10,613)	$0.04	Nov. 11, 2024	10,613	Disposed
March 25, 2022	MXCT	Employee Stock Option (right to buy)	Common Stock (500,000)	$7.12	March 24, 2032	500,000	Acquired
Nov. 16, 2021	MXCT	Employee Stock Option (right to buy)	Common Stock (74,890)	$0.04	Nov. 11, 2024	74,890	Disposed
Nov. 15, 2021	MXCT	Employee Stock Option (right to buy)	Common Stock (123,263)	$0.04	Nov. 11, 2024	123,263	Disposed
Nov. 12, 2021	MXCT	Employee Stock Option (right to buy)	Common Stock (1,847)	$0.04	Nov. 11, 2024	1,847	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) 8 holdings

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

Date	Ticker	Security	Shares	Ownership
July 29, 2021	MXCT	Common Stock	433,197	Direct
July 29, 2021	MXCT	Employee Stock Option (right to buy)→ Common Stock (645,080)	645,080	Direct
July 29, 2021	MXCT	Employee Stock Option (right to buy)→ Common Stock (296,000)	296,000	Direct
July 29, 2021	MXCT	Employee Stock Option (right to buy)→ Common Stock (296,000)	296,000	Direct
July 29, 2021	MXCT	Employee Stock Option (right to buy)→ Common Stock (296,000)	296,000	Direct
July 29, 2021	MXCT	Employee Stock Option (right to buy)→ Common Stock (390,200)	390,200	Direct
July 29, 2021	MXCT	Employee Stock Option (right to buy)→ Common Stock (390,200)	390,200	Direct
July 29, 2021	MXCT	Employee Stock Option (right to buy)→ Common Stock (390,200)	390,200	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

MXCT

CEO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2022	$605,000	—	—	$375,679	$576,000	—	$18,638	$1,575,317
2021	$575,000	—	—	$646,382	$800,037	—	$15,505	$2,036,924

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.