Michael Loiacono

Insider

First SEC filing: Aug. 25, 2016 · Latest: Aug. 25, 2016

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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

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

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 27, 2023	MRKR	A	38,480	—	—	38,480 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 17, 2022	MRKR	A	140,000	—	—	140,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 10, 2021	MRKR	A	140,000	—	—	140,000 Direct	—	Acquired	(price as of 2026-08-20)
March 10, 2020	MRKR	A	119,100	—	—	119,100 Direct	—	Acquired	(price as of 2026-08-20)
March 10, 2020	MRKR	A	20,900	—	—	20,900 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 19, 2018	MRKR	A	300,000	—	—	300,000 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 25, 2016	MRKR	A	650,000	—	—	650,000 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
Feb. 27, 2023	MRKR	Employee Stock Option (right to buy)	Common Stock (38,480)	$2.14	Feb. 27, 2033	38,480	Acquired
Feb. 17, 2022	MRKR	Employee Stock Option (right to buy)	Common Stock (140,000)	$0.46	Feb. 17, 2032	140,000	Acquired
Feb. 10, 2021	MRKR	Employee Stock Option (right to buy)	Common Stock (140,000)	$3.29	Feb. 10, 2031	140,000	Acquired
March 10, 2020	MRKR	Employee Stock Option (Right to Buy)	Common Stock (119,100)	$2.12	March 10, 2030	119,100	Acquired
March 10, 2020	MRKR	Employee Stock Option (Right to Buy)	Common Stock (20,900)	$2.12	March 10, 2030	20,900	Acquired
Oct. 19, 2018	MRKR	Employee Stock Option (Right to Buy) [F1]	Common Stock (300,000)	$9.18	Oct. 19, 2028	300,000	Acquired
Aug. 25, 2016	MRKR	Employee Stock Option (Right to Buy) [F1]	Common Stock (650,000)	$0.48	Aug. 25, 2026	650,000	Acquired

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

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

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2018	$212,981	$75,000	—	$2,751,000	—	—	—	$3,038,981
2016	$66,900	$10,000	—	$308,700	—	—	$21,600	$407,200

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