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:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Sionna Therapeutics, Inc. President & CEO, Director Common Stock 547K $20.4M $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) 450K 06 Feb 2025 Direct
bluebird bio, Inc. Director Stock Option (right to buy) 74.8K 20 Jun 2024 Direct
Sionna Therapeutics, Inc. President & CEO, Director Non-Qualified Stock Option (right to buy) 53.1K 21 Oct 2025 Direct

Insider Reports Filed by Michael Cloonan

Symbol Company Period Transactions Value $ Form Type Role Filing Time
SION Sionna Therapeutics, Inc. 21 Oct 2025 12 -$3.01M 4 President & CEO, Director 22 Oct 2025, 17:39
SION Sionna Therapeutics, Inc. 15 Oct 2025 9 -$634K 4 President & CEO, Director 17 Oct 2025, 17:11
SION Sionna Therapeutics, Inc. 26 Sep 2025 6 -$575K 4 President & CEO, Director 30 Sep 2025, 16:09
SION Sionna Therapeutics, Inc. 26 Aug 2025 6 -$472K 4 President & CEO, Director 28 Aug 2025, 17:40
SION Sionna Therapeutics, Inc. 20 Aug 2025 3 -$416K 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