Ostrowski Erik
- SEC CIK
- 0001762507
In the past year, 2 open-market sale filings worth $110.8K and no purchases.
Current role at each company
- AKBA Akebia Therapeutics, Inc.SVP, CFO, CBO & Treasureras of Jul 1, 2026
- TECX Tectonic Therapeutic, Inc.Interim CEO, President and CFOas of Feb 5, 2024
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $110.8K
- 2 filings
- Net
- −$110.8K
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Ostrowski Erik as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
AKBA Akebia Therapeutics, Inc.
SVP, CFO, CBO & Treasurer3 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 (view filing) | Jun 30 | 1 day | Ostrowski ErikSVP, CFO, CBO & Treasurer | SSale | −41.3K | $3.67 | −$151.6K | −7.6%503.6K after | 10b5-1 |
| Feb 4, 2026 (view filing) | Feb 2 | 2 days | Ostrowski ErikSVP, CFO, CBO & Treasurer | SSale | −35.0K | $1.39 | −$48.6K | −4.9%672.6K after | 10b5-1 |
| Jul 1, 2026 (view filing)4:34 PM ET | Jun 29 | 2 days | Ostrowski ErikSVP, CFO, CBO & Treasurer | SSale | −56.0K | $1.11 | −$62.2K | −8.3%616.6K after | 10b5-1 |