Peter A. Thompson

SION

Peter A. Thompson serves as director at Sionna Therapeutics, Inc. (SION). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

5 trades

$37.75M

Total Sells

11 trades

$69.81M

Net Position

Net Seller

$32.06M

Companies Traded

SION, CRVS, EWTX, SPRY

Active Period

Mar 2021 – Apr 2026

16 total trades

Most Recent

Sell SION

Apr 21, 2026 · $2.47M

Peter A. Thompson's Insider Trading at Sionna Therapeutics, Inc. (SION)

Buys

0 · $0.00

Sells

6 · $33.18M

Total Shares Bought

Total Shares Sold

740,185

SION Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Apr 21, 2026	Sell	55,345	$44.67	$2.47M	2,967,722
Apr 16, 2026	Sell	510,583	$44.94	$22.95M	3,482,888
Feb 2, 2026	Sell	30,953	$44.58	$1.38M	0
Dec 24, 2025	Sell	33,356	$44.55	$1.49M	0
Dec 17, 2025	Sell	1,875	$44.49	$83.4K	0
Nov 24, 2025	Sell	108,073	$44.55	$4.81M	0

Peter A. Thompson's Insider Trading at Edgewise Therapeutics, Inc. (EWTX)

Buys

4 · $25.75M

Sells

0 · $0.00

Total Shares Bought

1,795,187

Total Shares Sold

EWTX Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Apr 3, 2025	Buy	496,771	$20.13	$10.00M	0
Jan 25, 2024	Buy	454,545	$11.00	$5.00M	14,436,497
Sep 16, 2022	Buy	484,496	$10.32	$5.00M	13,981,952
Mar 31, 2021	Buy	359,375	$16.00	$5.75M	13,359,456

Peter A. Thompson's Insider Trading at Janux Therapeutics, Inc. (JANX)

Buys

1 · $12.00M

Sells

1 · $7.50M

Total Shares Bought

705,853

Total Shares Sold

393,300

JANX Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Dec 17, 2021	Sell	393,300	$19.07	$7.50M	2,403,566
Jun 16, 2021	Buy	705,853	$17.00	$12.00M	2,760,366

Peter A. Thompson's Insider Trading at Corvus Pharmaceuticals, Inc. (CRVS)

Buys

0 · $0.00

Sells

2 · $16.54M

Total Shares Bought

Total Shares Sold

3,683,660

CRVS Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Jun 27, 2025	Sell	2,574,016	$3.80	$9.78M	0
Sep 20, 2021	Sell	1,109,644	$6.09	$6.76M	0

Peter A. Thompson's Insider Trading at ARS Pharmaceuticals, Inc. (SPRY)

Buys

0 · $0.00

Sells

2 · $12.59M

Total Shares Bought

Total Shares Sold

952,377

SPRY Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Aug 28, 2024	Sell	83,695	$13.00	$1.09M	0
Aug 23, 2024	Sell	868,682	$13.24	$11.50M	557,977

Related Insiders

ORBIMED ADVISORS LLC

director

SIONSell · Apr 21, 2026

Joanne M. Donovan

officer: CMO

EWTXSell · Apr 2, 2026

Jennifer Fitzpatrick

officer: Chief Legal Officer

SIONSell · Mar 6, 2026

Badreddin Edris

Director

EWTXSell · Jan 21, 2026

Alan J Russell

Chief Scientific Officer

EWTXSell · Nov 12, 2025

Jonathan C Fox

Director

EWTXBuy · Nov 11, 2025

Michael Cloonan

President & CEO

SIONSell · Oct 21, 2025

Bruce Booth

Director

SIONSell · Oct 21, 2025

Explore More Insider Trading Data

SION Insider Trading Activity

View all insider trades at Sionna Therapeutics, Inc.

Healthcare Sector Insider Trades

See insider activity across healthcare stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity