Erik Ostrowski's most recent trade in Akebia Therapeutics Inc. was a trade of 56,019 Common Stock done at an average price of $1.1 . Disclosure was reported to the exchange on June 29, 2026.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Akebia Therapeutics Inc | Erik John Ostrowski | SVP, CFO, CBO & Treasurer | Sale of securities on an exchange or to another person at price $ 1.11 per share. | 29 Jun 2026 | 56,019 | 616,616 (0%) | 0% | 1.1 | 62,181 | Common Stock |
| Akebia Therapeutics Inc | Erik John Ostrowski | SVP, CFO, CBO & Treasurer | Sale of securities on an exchange or to another person at price $ 1.39 per share. | 02 Feb 2026 | 34,951 | 672,635 (0%) | 0% | 1.4 | 48,582 | Common Stock |
| Akebia Therapeutics Inc | Erik John Ostrowski | SVP, CFO, CBO & Treasurer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jan 2026 | 320,000 | 320,000 | - | - | Stock Option (Right to buy) | |
| Akebia Therapeutics Inc | Erik John Ostrowski | SVP, CFO, CBO & Treasurer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jan 2026 | 204,000 | 707,586 (0%) | 0% | 0 | Common Stock | |
| Akebia Therapeutics Inc | Erik John Ostrowski | SVP, CFO, CBO & Treasurer | Sale of securities on an exchange or to another person at price $ 3.67 per share. | 30 Jun 2025 | 41,314 | 503,586 (0%) | 0% | 3.7 | 151,622 | Common Stock |
| Akebia Therapeutics Inc | Erik John Ostrowski | SVP, CFO, CBO & Treasurer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Jan 2025 | 292,300 | 292,300 | - | - | Stock Option (Right to buy) | |
| Akebia Therapeutics Inc | Erik John Ostrowski | SVP, CFO, CBO & Treasurer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Jan 2025 | 194,900 | 544,900 (0%) | 0% | 0 | Common Stock | |
| Akebia Therapeutics Inc | Erik John Ostrowski | SVP, CFO, CBO & Treasurer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 28 Jun 2024 | 500,000 | 500,000 | - | - | Stock Option (Right to buy) | |
| Akebia Therapeutics Inc | Erik John Ostrowski | SVP, CFO, CBO & Treasurer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 28 Jun 2024 | 350,000 | 350,000 (0%) | 0% | 0 | Common Stock | |
| Tectonic Therapeutic Inc | Erik John Ostrowski | Interim CEO, President and CFO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Feb 2024 | 40,084 | 120,249 | - | - | Restricted Stock Unit | |
| Tectonic Therapeutic Inc | Ostrowski John Erik | Interim CEO, President and CFO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Feb 2024 | 40,084 | 42,384 (0%) | 0% | 0 | Common Stock | |
| Tectonic Therapeutic Inc | Erik Ostrowski John | Interim CEO, President and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 1.20 per share. | 01 Feb 2024 | 13,099 | 29,285 (0%) | 0% | 1.2 | 15,745 | Common Stock |
| Tectonic Therapeutic Inc | Erik John Ostrowski | Interim CEO, President and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Jul 2023 | 70,000 | 70,000 | - | - | Restricted Stock Unit | |
| Tectonic Therapeutic Inc | Erik John Ostrowski | Chief Financial Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 Feb 2023 | 160,333 | 160,333 | - | - | Restricted Stock Unit | |
| Tectonic Therapeutic Inc | Erik John Ostrowski | Chief Financial Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 Dec 2022 | 221,000 | 221,000 | - | - | Stock Option (Right to Buy) | |
| Tectonic Therapeutic Inc | Erik John Ostrowski | Chief Financial Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 02 Feb 2022 | 170,000 | 170,000 | - | - | Stock Option (Right to Buy) | |
| Tectonic Therapeutic Inc | Erik John Ostrowski | Chief Financial Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 02 Feb 2022 | 145,000 | 145,000 | - | - | Stock Option (Right to Buy) |