Thompson Peter A.

SEC CIK: 0001357522

SEC filings (opens in a new tab)

In the past year, 8 open-market sale filings worth $46.5M and no purchases.

Current role at each company

SION Sionna Therapeutics, Inc.Directoras of Jul 9, 2026
SPRY ARS Pharmaceuticals, Inc.Directoras of Jun 26, 2026
EWTX Edgewise Therapeutics, Inc.Director, 10% Owneras of Jun 17, 2026
CRVS Corvus Pharmaceuticals, Inc.Director, 10% Owneras of Jun 15, 2026
ALPN Alpine Immune Sciences, Inc.Directoras of May 20, 2024

Show 2 more companies

DBTX Decibel Therapeutics, Inc.Director, 10% Owneras of Jun 21, 2022
JANX Janux Therapeutics, Inc.Directoras of Jun 16, 2022

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought: –; 0 filings
Sold: $46.5M; 8 filings
Net: −$46.5M; Bought minus sold
Companies: 1; With open-market trades

Trades

Every Form 4 that lists Thompson Peter A. as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

Transaction type

Role

Minimum value (USD)

Filed from

Filed to

Filing delay at least (days)

Filing delay at most (days)

SION Sionna Therapeutics, Inc.

Director11 trades

Insider trades
Filed (ET)	Trade date	Filing delay	Insider	Transaction	Shares	Avg price	Value	Holding change	Flags
Feb 10, 2025 (view filing)	Feb 10	Same day	Thompson Peter A.Director	PPurchase	+550.0K	$18.00	+$9.90M	+17.4%3.70M after
Nov 26, 2025 (view filing)	Nov 24-26	2 days	Thompson Peter A.Director	SSale	−108.1K	$44.55	−$4.81M	−2.9%3.60M after	3 lots10b5-1
Dec 19, 2025 (view filing)	Dec 17-19	2 days	Thompson Peter A.Director	SSale	−1.88K	$44.49	−$83.4K	−0.1%3.60M after	3 lots10b5-1
Dec 29, 2025 (view filing)	Dec 24	5 days	Thompson Peter A.Director	SSale	−33.4K	$44.55	−$1.49M	−0.9%3.56M after	10b5-1
Feb 4, 2026 (view filing)	Feb 2-3	2 days	Thompson Peter A.Director	SSale	−31.0K	$44.58	−$1.38M	−0.9%3.53M after	2 lots10b5-1
Apr 16, 2026 (view filing)	Apr 14-16	2 days	Thompson Peter A.Director	SSale	−510.6K	$44.94	−$22.9M	−14.5%3.02M after	3 lots10b5-1
Apr 21, 2026 (view filing)	Apr 17-18	4 days	Thompson Peter A.Director	SSale	−55.3K	$44.67	−$2.47M	−1.8%2.96M after	2 lots10b5-1
May 11, 2026 (view filing)	May 7-11	4 days	Thompson Peter A.Director	SSale	−293.0K	$45.62	−$13.4M	−9.9%2.67M after	3 lots10b5-1
May 29, 2026 (view filing)	May 27	2 days	Thompson Peter A.Director	SSale	−101	$44.49	−$4.49K	0.0%2.67M after	10b5-1
Jul 2, 2026 (view filing)4:45 PM ET	Jun 30	2 days	Thompson Peter A.Director	SSale	−115.8K	$45.50	−$5.27M	−4.3%2.56M after	10b5-1Duplicate filing

See all 11 trades at SION

CRVS Corvus Pharmaceuticals, Inc.

Director, 10% Owner3 trades

Insider trades
Filed (ET)	Trade date	Filing delay	Insider	Transaction	Shares	Avg price	Value	Holding change	Flags
Sep 22, 2021 (view filing)	Sep 20	2 days	Thompson Peter A.Director, 10% Owner	SSaleCommon Stock, $0.0001 par value	−1.11M	$6.09	−$6.76M	−13.8%6.94M after
May 8, 2024 (view filing)	May 6	2 days	Thompson Peter A.Director, 10% Owner	PPurchase	+2.84M	$1.73	+$2.50M	–1.40M after	Derivative2 lots
Jul 1, 2025 (view filing)	Jun 27	4 days	Thompson Peter A.Director, 10% Owner	SSale	−1.18M	$4.16	−$4.89M	−14.1%7.17M after

EWTX Edgewise Therapeutics, Inc.

Director, 10% Owner4 trades

Insider trades
Filed (ET)	Trade date	Filing delay	Insider	Transaction	Shares	Avg price	Value	Holding change	Flags
May 20, 2022 (view filing)	May 18	2 days	Thompson Peter A.Director, 10% Owner	PPurchase	+138.0K	$7.21	+$995.0K	+1.0%13.5M after
Sep 16, 2022 (view filing)	Sep 16	Same day	Thompson Peter A.Director, 10% Owner	PPurchase	+484.5K	$10.32	+$5.00M	+3.6%14.0M after
Jan 25, 2024 (view filing)	Jan 23	2 days	Thompson Peter A.Director, 10% Owner	PPurchase	+454.5K	$11.00	+$5.00M	+3.3%14.4M after
Apr 4, 2025 (view filing)	Apr 3	1 day	Thompson Peter A.Director, 10% Owner	PPurchase	+496.8K	$20.13	+$10.0M	New position443.8K after	2 lots

SPRY ARS Pharmaceuticals, Inc.

Director3 trades

Insider trades
Filed (ET)	Trade date	Filing delay	Insider	Transaction	Shares	Avg price	Value	Holding change	Flags
Aug 31, 2023 (view filing)	Aug 29	2 days	Thompson Peter A.Director	PPurchase	+500.0K	$6.20	+$3.10M	+6.6%8.02M after
Aug 23, 2024 (view filing)	Aug 21-23	2 days	Thompson Peter A.Director	SSale	−868.7K	$13.24	−$11.5M	−91.2%83.7K after	4 lots
Aug 28, 2024 (view filing)	Aug 26	2 days	Thompson Peter A.Director	SSale	−83.7K	$13.00	−$1.09M	−100.0%0 after

ALPN Alpine Immune Sciences, Inc.

Director2 trades

Insider trades
Filed (ET)	Trade date	Filing delay	Insider	Transaction	Shares	Avg price	Value	Holding change	Flags
Sep 21, 2021 (view filing)	Sep 17	4 days	Thompson Peter A.Director, 10% Owner	PPurchase	+1.01M	$9.40	+$9.50M	New position425.5K after	2 lots
Dec 29, 2023 (view filing)	Dec 27-28	2 days	Thompson Peter A.Director	SSale	−1.55M	$18.54	−$28.7M	−85.4%264.3K after	6 lots

JANX Janux Therapeutics, Inc.