Stark J Thompson PHD

Insider

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

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 1 non-open-market transaction 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

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
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.

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

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
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).

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

Date	Ticker	Security	Shares	Ownership
July 29, 2021	MXCT	Common Stock	110,918	Direct
July 29, 2021	MXCT	Stock Option (right to buy)→ Common Stock (89,333)	89,333	Direct
July 29, 2021	MXCT	Stock Option (right to buy)→ Common Stock (20,400)	20,400	Direct
July 29, 2021	MXCT	Stock Option (right to buy)→ Common Stock (23,900)	23,900	Direct
July 29, 2021	MXCT	Stock Option (right to buy)→ Common Stock (23,900)	23,900	Direct
July 29, 2021	MXCT	Stock Option (right to buy)→ Common Stock (26,900)	26,900	Direct
July 29, 2021	MXCT	Stock Option (right to buy)→ Common Stock (26,900)	26,900	Direct
July 29, 2021	MXCT	Stock Option (right to buy)→ Common Stock (26,900)	26,900	Direct