Marcella K. Ruddy

Insider Reports History

Location
C/O Tectonic Therapeutic, Inc., 490 Arsenal Way, Suite 210, Watertown, MA
Signature
/s/ Daniel Lochner, 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 Marcella K. Ruddy:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Tectonic Therapeutic, Inc. Chief Medical Officer Common Stock 55.3K $1.47M $26.56 Sep 25, 2025 Direct
Sionna Therapeutics, Inc. Director Stock Option (Right to Buy) 39.9K Feb 6, 2025 Direct
Sionna Therapeutics, Inc. Director Non-Qualified Stock Option (right to buy) 20K Jun 12, 2025 Direct
Upstream Bio, Inc. Director Stock Option (Right to Buy) 17.1K Jun 10, 2025 Direct
Tectonic Therapeutic, Inc. Chief Medical Officer Employee Stock Option (Right to Buy) 9.75K Sep 25, 2025 Direct

Insider Reports Filed by Marcella K. Ruddy

Symbol Company Period Transactions Value $ Form Type Date Filed Role
TECX Tectonic Therapeutic, Inc. Sep 25, 2025 2 $0 4 Sep 29, 2025 Chief Medical Officer
SION Sionna Therapeutics, Inc. Jun 12, 2025 1 $0 4 Jun 16, 2025 Director
UPB Upstream Bio, Inc. Jun 10, 2025 1 $0 4 Jun 12, 2025 Director
SION Sionna Therapeutics, Inc. Feb 6, 2025 1 $0 4 Feb 10, 2025 Director
SION Sionna Therapeutics, Inc. Feb 6, 2025 0 $0 3 Feb 6, 2025 Director
TECX Tectonic Therapeutic, Inc. Feb 4, 2025 2 $0 4 Feb 6, 2025 Chief Medical Officer
UPB Upstream Bio, Inc. Oct 10, 2024 1 $0 4 Oct 15, 2024 Director
UPB Upstream Bio, Inc. Oct 10, 2024 0 $0 3 Oct 10, 2024 Director
TECX Tectonic Therapeutic, Inc. Jun 20, 2024 4 $0 4 Jun 24, 2024 Chief Medical Officer
TECX Tectonic Therapeutic, Inc. Jun 20, 2024 0 $0 3 Jun 24, 2024 Chief Medical Officer