Erik Ostrowski
Chief Financial Officer, Tectonic Therapeutic, Inc.
Companies
- Akebia Therapeutics, Inc.Chief financial officer Jun 26, 2024 to now1
- Tectonic Therapeutic, Inc.Chief executive officer Jul 3, 2023 to Feb 5, 20242
- Tectonic Therapeutic, Inc.President Jul 3, 2023 to Feb 5, 20242
- Tectonic Therapeutic, Inc.Chief financial officer Jan 4, 2019 to Feb 5, 20243
Holdings
Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.
Shares held
- Tectonic Therapeutic, Inc. TECX29,285 shares4$620.8K at $21.20Feb 5, 2024
- Akebia Therapeutics, Inc. AKBA616,616 shares5$435.3K at $0.71Jun 29, 2026
As of each latest filing. The line shows shares held over time.
Recent filings
- Jun 29, 2026Sold 56,019 shares at $1.11 of Akebia Therapeutics, Inc.5
- Feb 2, 2026Sold 34,951 shares at $1.39 of Akebia Therapeutics, Inc.6
- Jan 30, 2026Granted 204,000 shares of Akebia Therapeutics, Inc.7
- Jun 30, 2025Sold 41,314 shares at $3.67 of Akebia Therapeutics, Inc.8
- Jan 31, 2025Granted 194,900 shares of Akebia Therapeutics, Inc.9
- Jun 28, 2024Granted 350,000 shares of Akebia Therapeutics, Inc.10
- Feb 5, 2024Shares withheld for tax 13,099 shares at $1.20 of Tectonic Therapeutic, Inc.4
- Feb 1, 2024Exercised options 40,084 shares of Tectonic Therapeutic, Inc.4
Sources
The numbers on this page point here. Each one links to the record it came from.
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- 6SEC EDGARForm 4 filed Feb 4, 2026
- 7SEC EDGARForm 4 filed Feb 3, 2026
- 8SEC EDGARForm 4 filed Jul 1, 2025
- 9SEC EDGARForm 4 filed Feb 4, 2025
- 10SEC EDGARForm 4 filed Jul 2, 2024