Peter L. Hoang

Insider

First SEC filing: Oct. 23, 2018 · Latest: Oct. 23, 2018

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 10 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

10 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 24, 2022	MRKR	F	48,376	$0.48	$23,220	483,286 Direct	-9.10%	Disposed	-74.6% (price as of 2026-08-20)
March 24, 2022	MRKR	A	199,094	—	—	531,662 Direct	+59.87%	Acquired	(price as of 2026-08-20)
Feb. 17, 2022	MRKR	A	430,000	—	—	430,000 Direct	—	Acquired	(price as of 2026-08-20)
March 16, 2021	MRKR	P	142,857	$1.75	$250,000	332,568 Direct	+75.30%	Acquired	-93.0% (price as of 2026-08-20)
Feb. 11, 2021	MRKR	A	430,000	—	—	430,000 Direct	—	Acquired	(price as of 2026-08-20)
March 10, 2020	MRKR	A	388,800	—	—	388,800 Direct	—	Acquired	(price as of 2026-08-20)
March 10, 2020	MRKR	A	41,200	—	—	41,200 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 14, 2019	MRKR	P	10,000	$4.62	$46,200	189,711 Direct	+5.56%	Acquired	-97.4% (price as of 2026-08-20)
Oct. 19, 2018	MRKR	A	200,000	—	—	200,000 Indirect	—	Acquired	(price as of 2026-08-20)
Oct. 19, 2018	MRKR	A	1,359,855	—	—	1,359,855 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 22, 2017	MRKR	F	70,289	$3.18	$223,519	179,711 Direct	-28.12%	Disposed	-96.2% (price as of 2026-08-20)
Sept. 22, 2017	MRKR	A	250,000	$3.18	$795,000	250,000 Direct	—	Acquired	-96.2% (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
Feb. 17, 2022	MRKR	Employee Stock Option (right to buy)	Common Stock (430,000)	$0.46	Feb. 17, 2032	430,000	Acquired
Feb. 11, 2021	MRKR	Employee Stock Option (right to buy)	Common Stock (430,000)	$3.06	Feb. 11, 2031	430,000	Acquired
March 10, 2020	MRKR	Employee Stock Option (Right to Buy)	Common Stock (388,800)	$2.12	March 10, 2030	388,800	Acquired
March 10, 2020	MRKR	Employee Stock Option (Right to Buy)	Common Stock (41,200)	$2.12	March 10, 2030	41,200	Acquired
Oct. 19, 2018	MRKR	Employee Stock Option (Right to Buy) [F2]	Common Stock (200,000)	$9.18	Oct. 19, 2028	200,000	Acquired
Oct. 19, 2018	MRKR	Employee Stock Option (Right to Buy) [F1]	Common Stock (1,359,855)	$9.18	Oct. 19, 2028	1,359,855	Acquired

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

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

CEO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2019	$380,000	—	—	—	$71,665	—	—	$451,665
2018	$362,500	—	—	$12,469,870	$181,250	—	—	$13,013,620

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