Tara Lynn Kieffer

Insider

First SEC filing: Feb. 15, 2022 · Latest: Feb. 15, 2022

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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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

ENTA selling Dec. 6, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 20 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

20 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 12, 2025	ENTA	F	3,326	$5.59	$18,592	33,479 Direct	-9.04%	Disposed	136.1% (price as of 2026-08-21)
Feb. 12, 2025	ENTA	A	7,500	—	—	36,805 Direct	+25.59%	Acquired	(price as of 2026-08-21)
Dec. 6, 2024	ENTA	S	2,283	$8.06	$18,401	29,305 Direct	-7.23%	Disposed	63.8% (price as of 2026-08-21)
Dec. 1, 2024	ENTA	F	753	$8.60	$6,476	31,588 Direct	-2.33%	Disposed	53.5% (price as of 2026-08-21)
Nov. 27, 2024	ENTA	A	81,000	—	—	81,000 Direct	—	Acquired	(price as of 2026-08-21)
June 17, 2024	ENTA	S 10b5-1	7,266	$12.33	$89,590	32,341 Direct	-18.35%	Disposed	7.1% (price as of 2026-08-21)
Feb. 12, 2024	ENTA	F	973	$12.41	$12,075	39,607 Direct	-2.40%	Disposed	6.4% (price as of 2026-08-21)
Feb. 12, 2024	ENTA	A	3,320	—	—	40,580 Direct	+8.91%	Acquired	(price as of 2026-08-21)
Dec. 5, 2023	ENTA	S	2,125	$9.63	$20,464	37,260 Direct	-5.40%	Disposed	37.1% (price as of 2026-08-21)
Dec. 1, 2023	ENTA	F	753	$9.49	$7,146	39,385 Direct	-1.88%	Disposed	39.1% (price as of 2026-08-21)
Nov. 22, 2023	ENTA	A	83,000	—	—	83,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 13, 2023	ENTA	F	6,725	$52.77	$354,878	40,138 Direct	-14.35%	Disposed	-75.0% (price as of 2026-08-21)
Feb. 13, 2023	ENTA	A	11,747	—	—	46,863 Direct	+33.45%	Acquired	(price as of 2026-08-21)
Feb. 13, 2023	ENTA	A	9,250	—	—	35,116 Direct	+35.76%	Acquired	(price as of 2026-08-21)
Dec. 1, 2022	ENTA	F	498	$44.33	$22,076	25,866 Direct	-1.89%	Disposed	-70.2% (price as of 2026-08-21)
Nov. 23, 2022	ENTA	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 23, 2022	ENTA	A	18,500	—	—	26,364 Direct	+235.25%	Acquired	(price as of 2026-08-21)
Feb. 14, 2022	ENTA	F	552	$62.49	$34,494	7,864 Direct	-6.56%	Disposed	-78.9% (price as of 2026-08-21)
Feb. 14, 2022	ENTA	A	1,289	—	—	8,416 Direct	+18.09%	Acquired	(price as of 2026-08-21)
Feb. 14, 2022	ENTA	A	327	—	—	7,127 Direct	+4.81%	Acquired	(price as of 2026-08-21)
Nov. 19, 2021	ENTA	A	28,400	—	—	28,400 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 19, 2021	ENTA	A	6,800	—	—	6,800 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 7, 2020	ENTA	A	65,000	—	—	65,000 Direct	—	Acquired	(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.

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
Nov. 27, 2024	ENTA	Stock Option (right to buy)	Common Stock (81,000)	$8.83	Nov. 27, 2034	81,000	Acquired
Nov. 22, 2023	ENTA	Stock Option (right to buy)	Common Stock (83,000)	$8.99	Nov. 22, 2033	83,000	Acquired
Nov. 23, 2022	ENTA	Stock Option (right to buy)	Common Stock (40,000)	$45.00	Nov. 23, 2032	40,000	Acquired
Nov. 19, 2021	ENTA	Stock Option (right to buy)	Common Stock (28,400)	$75.33	Nov. 19, 2031	28,400	Acquired
Dec. 7, 2020	ENTA	Stock Option (right to buy)	Common Stock (65,000)	$42.62	Dec. 7, 2030	65,000	Acquired

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

Compensation (DEF 14A)

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

ENTA

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2021	$305,137	—	$256,227	$1,350,304	$128,250	—	$2,438	$2,042,356

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