Michael Cloonan

Insider Reports History

Location
Cambridge, MA
Signature
Jennifer Fitzpatrick, Attorney-in-Fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Michael Cloonan:

Company Role Class Num Shares Value Price $ Report Date Ownership
Sionna Therapeutics, Inc. President & CEO, Director Common Stock 547,343 $20,421,367 $37.31 21 Oct 2025 Direct
bluebird bio, Inc. Director Common Stock 0 $0 $4.88 02 Jun 2025 Direct
Sionna Therapeutics, Inc. President & CEO, Director Stock Option (Right to Buy) 450,252 06 Feb 2025 Direct
Sionna Therapeutics, Inc. President & CEO, Director Non-Qualified Stock Option (right to buy) 436,100 02 Jan 2026 Direct
bluebird bio, Inc. Director Stock Option (right to buy) 74,775 20 Jun 2024 Direct

Insider Reports Filed by Michael Cloonan

Symbol Company Period Transactions Value $ Form Type Role Filing Time
SION Sionna Therapeutics, Inc. 02 Jan 2026 1 $0 4 President & CEO, Director 06 Jan 2026, 16:19
SION Sionna Therapeutics, Inc. 21 Oct 2025 12 -$3,008,782 4 President & CEO, Director 22 Oct 2025, 17:39
SION Sionna Therapeutics, Inc. 15 Oct 2025 9 -$634,181 4 President & CEO, Director 17 Oct 2025, 17:11
SION Sionna Therapeutics, Inc. 26 Sep 2025 6 -$575,048 4 President & CEO, Director 30 Sep 2025, 16:09
SION Sionna Therapeutics, Inc. 26 Aug 2025 6 -$471,611 4 President & CEO, Director 28 Aug 2025, 17:40
SION Sionna Therapeutics, Inc. 20 Aug 2025 3 -$416,000 4 President & CEO, Director 21 Aug 2025, 16:05
BLUE bluebird bio, Inc. 02 Jun 2025 1 $0 4 Director 03 Jun 2025, 17:11
SION Sionna Therapeutics, Inc. 06 Feb 2025 1 $0 4 President & CEO, Director 10 Feb 2025, 16:05
SION Sionna Therapeutics, Inc. 06 Feb 2025 0 $0 3 President & CEO, Director 06 Feb 2025, 21:09
BLUE bluebird bio, Inc. 30 Sep 2024 1 $0 4 Director 02 Oct 2024, 16:06
BLUE bluebird bio, Inc. 20 Jun 2024 1 $0 4 Director 24 Jun 2024, 17:20
BLUE bluebird bio, Inc. 20 Jun 2024 0 $0 3 Director 24 Jun 2024, 17:14