Mark Alvino

Insider

First SEC filing: May 26, 2026 · Latest: May 26, 2026

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 11 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

11 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 26, 2026	ABEO	G	500	—	—	77,065	—	—	(price as of 2026-08-21)
May 21, 2019	ABEO	A	19,827	—	—	19,827 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 14, 2017	ABEO	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 13, 2016	ABEO	A	50,000	—	—	50,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 11, 2016	ABEO	A	50,000	—	—	50,000 Direct	—	Acquired	(price as of 2026-08-21)
May 11, 2015	ABEO	A	75,000	—	—	75,000 Direct	—	Acquired	(price as of 2026-08-21)
May 11, 2015	ABEO	A	75,000	—	—	75,000 Direct	—	Acquired	(price as of 2026-08-21)
May 11, 2015	ABEO	A	75,000	$7.34	$550,500	87,120 Direct	+618.81%	Acquired	-96.7% (price as of 2026-08-21)
May 11, 2015	ABEO	A	75,000	$7.34	$550,500	75,000 Direct	—	Acquired	-96.7% (price as of 2026-08-21)
March 7, 2014	ABEO	A	375,000	$0.37	$138,750	606,000 Direct	+162.34%	Acquired	-98.7% (price as of 2026-08-21)
March 7, 2014	ABEO	A	125,000	$0.37	$46,250	231,000 Direct	+117.92%	Acquired	-98.7% (price as of 2026-08-21)
Dec. 6, 2006	ABEO	P	9,091	$1.32	$12,000	9,091 Direct	—	Acquired	-99.6% (price as of 2026-08-21)

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
May 21, 2019	ABEO	Stock Option (right to buy)	Common stock (19,827)	$7.42	May 21, 2029	19,827	Acquired
Dec. 14, 2017	ABEO	Stock option (right to buy)	Common stock (30,000)	$16.00	Dec. 14, 2027	30,000	Acquired
Dec. 13, 2016	ABEO	Stock option (right to buy)	Common stock (50,000)	$4.45	Dec. 13, 2026	50,000	Acquired
Feb. 11, 2016	ABEO	Stock option (right to buy)	Common stock (50,000)	$2.31	Feb. 11, 2026	50,000	Acquired
May 11, 2015	ABEO	Stock option (right to buy)	Common stock (75,000)	$7.34	May 11, 2025	75,000	Acquired
May 11, 2015	ABEO	Stock option (right to buy)	Common stock (75,000)	—	May 11, 2025	75,000	Acquired
March 7, 2014	ABEO	Stock option (right to buy)	Common stock (375,000)	$0.37	March 7, 2024	375,000	Acquired
March 7, 2014	ABEO	Stock option (right to buy)	Common stock (125,000)	$0.37	March 7, 2024	125,000	Acquired
Dec. 6, 2006	ABEO	Common Stock Purchase Warrants	Common Stock (9,091)	$1.32	Dec. 6, 2012	9,091	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
April 6, 2021	ABEO	Common stock	5,000	Direct
April 6, 2021	ABEO	Stock Option (right to buy)→ Common stock (700)	700	Direct
April 6, 2021	ABEO	Stock Option (right to buy)→ Common stock (700)	700	Direct
April 6, 2021	ABEO	Stock Option (right to buy)→ Common stock (10,000)	10,000	Direct
April 6, 2021	ABEO	Stock Option (right to buy)→ Common stock (75,000)	75,000	Direct
April 6, 2021	ABEO	Stock Option (right to buy)→ Common stock (50,000)	50,000	Direct
April 6, 2021	ABEO	Stock Option (right to buy)→ Common stock (30,000)	30,000	Direct
April 6, 2021	ABEO	Stock Option (right to buy)→ Common stock (19,827)	19,827	Direct
March 22, 2006	ABEO	Common Stock Purchase Warrants→ Common Stock	—	Direct