๐Ÿ•ต๏ธ Avalyn Pharma Inc. ($AVLN)

SEC insider & ownership activity, last 12 months ยท CIK 1540171 ยท every row links its SEC filing

Over the last 12 months insiders bought $25.0M with no open-market selling against it. SR One Capital Management, LLC bought $10.0M in discretionary trades (May). No red-flag 8-Ks in the window.

Aug 2025: net +$0 Sep 2025: net +$0 Oct 2025: net +$0 Nov 2025: net +$0 Dec 2025: net +$0 Jan 2026: net +$0 Mar 2026: net +$0 Mar 2026: net +$0 Apr 2026: net +$0 May 2026: net +$25.0M Jun 2026: net +$0 Jul 2026: net +$0
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

3 buyers, $25.0M (4 lots) ยท 0 sellers, $0 (0 lots)

InsiderBuysBoughtSellsSoldLast
SR One Capital Management, LLC2$10.0M 0โ€“May 1, 2026
NOVO Holdings A/S1$10.0M 0โ€“May 1, 2026
Carroll Jill1$5.0M 0โ€“May 1, 2026

5%+ holders

HolderStakeClassScheduleEvent
FMR LLC 11.5% 13GMay 5, 2026 filing โ†—
Abigail P. Johnson 11.5% 13GMay 5, 2026 filing โ†—
Simeon George 7.5% 13DMay 1, 2026 filing โ†—
SR One Capital Management, LLC 7.5% 13DMay 1, 2026 filing โ†—
Perceptive Advisors LLC 6.0% 13GMay 7, 2026 filing โ†—
Joseph Edelman 6.0% 13GMay 7, 2026 filing โ†—
Suvretta Capital Management, LLC 5.6% 13DMay 1, 2026 filing โ†—
Aaron Cowen 5.6% 13DMay 1, 2026 filing โ†—
Perceptive Xontogeny Venture Fund II, L.P 5.1% 13GMay 7, 2026 filing โ†—

Planned insider sales (Form 144)

No sale notices filed in the last 12 months.

Material events (8-K)

ItemEvent date
Material agreement (1.01)Jun 29, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jun 29, 2026 filing โ†—
Reg FD disclosure (7.01)Jun 17, 2026 filing โ†—
Earnings (2.02)Jun 3, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jun 3, 2026 filing โ†—
Charter/bylaw changes (5.03)May 1, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 1, 2026 filing โ†—