Updated Jul 16, 2026
Ostrowski Erik has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $262K.

Erik Ostrowski is a corporate executive known for his roles at Akebia Therapeutics, Inc., where he serves as Senior Vice President, Chief Financial Officer, Chief Business Officer, and Treasurer. He has been involved in the biopharmaceutical sector, particularly focusing on developing therapeutics for kidney disease.
| Role | Insider |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-01 | AKBA | Akebia Therapeutics, Inc. | S — Open-market sale | 56.0K | $1.11 | $62K |
| 2026-02-04 | AKBA | Akebia Therapeutics, Inc. | S — Open-market sale [10b5-1] | 35.0K | $1.39 | $49K |
| 2026-02-03 | AKBA | Akebia Therapeutics, Inc. | A — Grant or award | 204.0K | $0.00 | |
| 2025-06-30 | AKBA | Akebia Therapeutics, Inc. | S — Open-market sale | 41.3K | $3.67 | $152K |
Erik Ostrowski is a corporate executive known for his roles at Akebia Therapeutics, Inc., where he serves as Senior Vice President, Chief Financial Officer, Chief Business Officer, and Treasurer. He has been involved in the biopharmaceutical sector, particularly focusing on developing therapeutics for kidney disease.…
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 3 open-market sales ($262K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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