Mark S. Blumenkranz

Insider

First SEC filing: Aug. 12, 2026 · Latest: Aug. 12, 2026

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

KALA
ANNX

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 21 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
Aug. 10, 2026	ANNX	A	175,000	—	—	175,000 Direct	—	Acquired	(price as of 2026-08-20)
June 11, 2024	KALA	A	1,400	—	—	13,091 Direct	+11.98%	Acquired	(price as of 2026-08-20)
June 11, 2024	KALA	A	3,150	—	—	3,150 Direct	—	Acquired	(price as of 2026-08-20)
June 22, 2023	KALA	A	3,784	—	—	10,591 Direct	+55.59%	Acquired	(price as of 2026-08-20)
June 22, 2023	KALA	A	1,100	—	—	11,691 Direct	+10.39%	Acquired	(price as of 2026-08-20)
June 22, 2023	KALA	A	5,046	—	—	5,046 Direct	—	Acquired	(price as of 2026-08-20)
June 22, 2023	KALA	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
May 31, 2023	KALA	A	1,640	—	—	6,807 Direct	+31.74%	Acquired	(price as of 2026-08-20)
May 31, 2023	KALA	D	840	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 31, 2023	KALA	D	800	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 10, 2023	KALA	A	2,013	—	—	5,167 Direct	+63.82%	Acquired	(price as of 2026-08-20)
March 10, 2023	KALA	A	65,634	—	—	168,454 Indirect	+63.83%	Acquired	(price as of 2026-08-20)
March 10, 2023	KALA	A	497	—	—	1,276 Indirect	+63.80%	Acquired	(price as of 2026-08-20)
Feb. 15, 2023	KALA	J	3	—	—	3,154 Direct	-0.10%	Disposed	(price as of 2026-08-20)
Feb. 15, 2023	KALA	J	68	—	—	102,820 Indirect	-0.07%	Disposed	(price as of 2026-08-20)
Feb. 15, 2023	KALA	J	2	—	—	779 Indirect	-0.26%	Disposed	(price as of 2026-08-20)
June 16, 2022	KALA	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 15, 2021	KALA	A	157,765	—	—	157,765 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 15, 2021	KALA	A	5,144,390	—	—	5,144,390 Indirect	—	Acquired	(price as of 2026-08-20)
Nov. 15, 2021	KALA	A	38,965	—	—	38,965 Indirect	—	Acquired	(price as of 2026-08-20)
Nov. 15, 2021	KALA	A	42,000	—	—	42,000 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.

Derivative holdings (Form 4 Table II)

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

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Aug. 10, 2026	ANNX	Stock Option (Right to Buy)	Common Stock (175,000)	$5.39	Aug. 10, 2036	175,000	Acquired
June 11, 2024	KALA	Stock Option (right to buy)	Common Stock (3,150)	$6.18	June 10, 2034	3,150	Acquired
June 22, 2023	KALA	Stock Option (right to buy)	Common Stock (5,046)	$14.56	June 21, 2033	5,046	Acquired
June 22, 2023	KALA	Stock Option (right to buy)	Common Stock (2,500)	$14.56	June 21, 2033	2,500	Acquired
May 31, 2023	KALA	Stock Option (right to buy)	Common Stock	—	Nov. 14, 2031	840	Disposed
May 31, 2023	KALA	Stock Option (right to buy)	Common Stock	—	June 15, 2032	800	Disposed
June 16, 2022	KALA	Stock Option (right to buy)	Common Stock (40,000)	$0.36	June 15, 2032	40,000	Acquired
Nov. 15, 2021	KALA	Stock Option (right to buy)	Common Stock (42,000)	$2.10	Nov. 14, 2031	42,000	Acquired

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