Mark Eisner

Insider

First SEC filing: June 3, 2024 · Latest: June 3, 2024

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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.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 24 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

24 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 25, 2026	JBIO	A	47,675	—	—	47,675 Direct	—	Acquired	(price as of 2026-08-19)
June 17, 2026	ZURA	A	51,000	—	—	51,000 Direct	—	Acquired	(price as of 2026-08-19)
July 15, 2024	VIR	A	150,000	—	—	150,000 Direct	—	Acquired	(price as of 2026-08-19)
July 15, 2024	VIR	A	75,000	—	—	75,000 Direct	—	Acquired	(price as of 2026-08-19)
Sept. 6, 2023	KYNB	F	1,860	$0.96	$1,786	159,917 Direct	-1.15%	Disposed	-70.1% (price as of 2026-08-19)
Sept. 1, 2023	KYNB	F	1,085	$1.06	$1,150	161,777 Direct	-0.67%	Disposed	-72.9% (price as of 2026-08-19)
June 7, 2023	KYNB	S	2,042	$17.04	$34,796	162,862 Direct	-1.24%	Disposed	-98.3% (price as of 2026-08-19)
June 2, 2023	KYNB	S	1,090	$18.83	$20,525	164,904 Direct	-0.66%	Disposed	-98.5% (price as of 2026-08-19)
April 4, 2023	KYNB	S	9,182	$18.78	$172,438	165,994 Direct	-5.24%	Disposed	-98.5% (price as of 2026-08-19)
March 10, 2023	KYNB	S	6,255	$20.20	$126,351	175,176 Direct	-3.45%	Disposed	-98.6% (price as of 2026-08-19)
March 10, 2023	KYNB	S	3,885	$20.20	$78,477	181,431 Direct	-2.10%	Disposed	-98.6% (price as of 2026-08-19)
March 8, 2023	KYNB	A	12,451	—	—	185,316 Direct	+7.20%	Acquired	(price as of 2026-08-19)
March 8, 2023	KYNB	A	7,732	—	—	172,865 Direct	+4.68%	Acquired	(price as of 2026-08-19)
March 8, 2023	KYNB	S	7,363	$21.16	$155,801	165,133 Direct	-4.27%	Disposed	-98.6% (price as of 2026-08-19)
March 2, 2023	KYNB	S	1,187	$21.87	$25,960	172,496 Direct	-0.68%	Disposed	-98.7% (price as of 2026-08-19)
Feb. 21, 2023	KYNB	A	55,000	—	—	55,000 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 21, 2023	KYNB	A	32,500	—	—	173,683 Direct	+23.02%	Acquired	(price as of 2026-08-19)
Dec. 1, 2022	KYNB	F	1,084	$15.04	$16,303	141,183 Direct	-0.76%	Disposed	-98.1% (price as of 2026-08-19)
Sept. 30, 2022	KYNB	F	6,777	$13.01	$88,169	142,267 Direct	-4.55%	Disposed	-97.8% (price as of 2026-08-19)
Sept. 1, 2022	KYNB	F	756	$13.09	$9,896	149,044 Direct	-0.50%	Disposed	-97.8% (price as of 2026-08-19)
June 1, 2022	KYNB	F	1,141	$9.61	$10,965	149,800 Direct	-0.76%	Disposed	-97.0% (price as of 2026-08-19)
March 31, 2022	KYNB	F	6,442	$12.02	$77,433	150,941 Direct	-4.09%	Disposed	-97.6% (price as of 2026-08-19)
March 1, 2022	KYNB	F	756	$13.62	$10,297	157,383 Direct	-0.48%	Disposed	-97.9% (price as of 2026-08-19)
Feb. 14, 2022	KYNB	A	100,000	—	—	100,000 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 14, 2022	KYNB	A	60,000	—	—	158,139 Direct	+61.14%	Acquired	(price as of 2026-08-19)
Jan. 3, 2022	KYNB	F	7,043	$14.82	$104,377	98,139 Direct	-6.70%	Disposed	-98.1% (price as of 2026-08-19)
Dec. 1, 2021	KYNB	F	4,338	$12.65	$54,876	105,182 Direct	-3.96%	Disposed	-97.7% (price as of 2026-08-19)
Oct. 4, 2021	KYNB	A	74,520	—	—	109,520 Direct	+212.91%	Acquired	(price as of 2026-08-19)
Oct. 4, 2021	KYNB	A	44,520	—	—	44,520 Direct	—	Acquired	(price as of 2026-08-19)
Dec. 1, 2020	KYNB	A	80,000	—	—	80,000 Direct	—	Acquired	(price as of 2026-08-19)
Dec. 1, 2020	KYNB	A	35,000	—	—	35,000 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.

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
June 25, 2026	JBIO	Stock Option (Right to Buy)	Common Stock (47,675)	$21.81	June 24, 2036	47,675	Acquired
June 17, 2026	ZURA	Share Option (Right to Buy)	Class A Ordinary Shares (51,000)	$3.62	June 17, 2036	51,000	Acquired
July 15, 2024	VIR	Stock Option (Right to Buy)	Common Stock (150,000)	$9.37	July 14, 2034	150,000	Acquired
Feb. 21, 2023	KYNB	Stock Option (Right to Buy)	Common Stock (55,000)	$22.60	Feb. 20, 2033	55,000	Acquired
Feb. 14, 2022	KYNB	Stock Option (Right to Buy)	Common Stock (100,000)	$15.60	Feb. 13, 2032	100,000	Acquired
Oct. 4, 2021	KYNB	Stock Option (Right to Buy)	Common Stock (44,520)	$9.93	Oct. 4, 2031	44,520	Acquired
Dec. 1, 2020	KYNB	Stock Option (Right to Buy)	Common Stock (80,000)	$41.25	Dec. 1, 2030	80,000	Acquired

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

Initial ownership (Form 3) 2 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
June 3, 2024	VIR	Common Stock	0	Direct
Dec. 3, 2020	KYNB	No securities held	0	Direct

Compensation (DEF 14A)

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

KYNB

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2023	—	—	—	—	—	—	$51,212	$3,192,545
2022	—	—	—	—	$304,243	—	$58,710	$4,080,708
2021	$600,000	$1,000,000	$739,984	$1,157,212	$218,100	—	$52,310	$3,767,606

VIR

EVP

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2025	$660,833	$375,000	$382,800	$584,560	$354,291	—	$14,000	$2,371,484
2024	$379,167	$375,000	$702,750	$1,075,095	$221,130	—	$3,123	$2,756,265

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