
Erik Ostrowski
SVP, CFO, CBO & Treasurer · Akebia Therapeutics, Inc.
- 2025
- Jul 1, 2026
- 4
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Erik Ostrowski files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- John P. Butler - $561K in AKBA purchases and sales in the last 12 months
- Nicholas Grund - $118K in AKBA purchases and sales in the last 12 months
- Carolyn M. Rucci - $97K in AKBA purchases and sales in the last 12 months
- Steven Keith Burke - $94K in AKBA purchases and sales in the last 12 months
- Richard C. Malabre - $69K in AKBA purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Erik Ostrowski?
Erik Ostrowski is a corporate insider, tracked as SVP, CFO, CBO & Treasurer of Akebia Therapeutics, Inc. (AKBA). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Erik Ostrowski last file a Form 4?
The most recent primary Form 4 on record is dated 1 July 2026, one of 4 filings going back to 2025.
Has Erik Ostrowski been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($262K) across all tracked filings.