Matthew Dyer

Insider

First SEC filing: June 14, 2021 · Latest: June 14, 2021

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 7 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

7 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 13, 2022	QSI	S	1,622	$3.22	$5,223	333,393 Direct	-0.48%	Disposed	-77.2% (price as of 2026-08-19)
March 15, 2022	QSI	A	400,000	—	—	400,000 Direct	—	Acquired	(price as of 2026-08-19)
March 14, 2022	QSI	S	6,478	$4.01	$25,977	335,015 Direct	-1.90%	Disposed	-81.7% (price as of 2026-08-19)
June 10, 2021	QSI	A	133,994	—	—	133,994 Direct	—	Acquired	(price as of 2026-08-19)
June 10, 2021	QSI	A	239,250	—	—	239,250 Direct	—	Acquired	(price as of 2026-08-19)
June 10, 2021	QSI	A	155,021	—	—	155,021 Direct	—	Acquired	(price as of 2026-08-19)
June 10, 2021	QSI	A	7,490	—	—	7,490 Direct	—	Acquired	(price as of 2026-08-19)
June 10, 2021	QSI	A	79,750	—	—	341,493 Direct	+30.47%	Acquired	(price as of 2026-08-19)
June 10, 2021	QSI	A	261,743	—	—	261,743 Direct	—	Acquired	(price as of 2026-08-19)

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
March 15, 2022	QSI	Stock Option (right to buy)	Class A Common Stock (400,000)	$3.86	March 15, 2032	400,000	Acquired
June 10, 2021	QSI	Stock Option (right to buy)	Class A Common Stock (133,994)	$2.90	May 17, 2030	133,994	Acquired
June 10, 2021	QSI	Stock Option (right to buy)	Class A Common Stock (239,250)	$3.03	Aug. 23, 2029	239,250	Acquired
June 10, 2021	QSI	Stock Option (right to buy)	Class A Common Stock (155,021)	$3.03	Aug. 23, 2029	155,021	Acquired
June 10, 2021	QSI	Stock Option (right to buy)	Class A Common Stock (7,490)	$2.56	Jan. 11, 2028	7,490	Acquired

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

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

Ph.D. Chief Business Officer

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2021	$337,813	$250,000	$680,268	—	$145,000	—	$25,903	$1,438,984

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