Ostrowski Erik
SVP, CFO, CBO & Treasurer
Ostrowski Erik has filed 3 SEC Form 4 filings (3 transaction rows) across 1 company, with disclosures dating back to 2026. 3 of those filings fall inside the rolling window. Most recent filing: Jul 1, 2026.
On the most recent filing, Ostrowski Erik is listed as SVP, CFO, CBO & Treasurer at Akebia Therapeutics, Inc. Inside the rolling window, Ostrowski Erik reported no open-market purchases and 2 open-market sales totaling $111K in AKBA. The largest disclosed transaction in the window is a sale of 56,019 AKBA shares on Jun 29, 2026, worth $62K.
Companies traded
Other insiders at AKBA
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$111K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Ostrowski Erik made?
Ostrowski Erik has filed 3 SEC Form 4 filings (3 transaction rows) across 1 company since 2026.
Which companies does Ostrowski Erik trade?
Ostrowski Erik has filed SEC Form 4 disclosures for 1 company, including AKBA.
When was Ostrowski Erik's most recent SEC Form 4 filing?
Ostrowski Erik's most recent SEC Form 4 filing on Tracefour is dated Jul 1, 2026.
What is Ostrowski Erik's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Ostrowski Erik is listed as SVP, CFO, CBO & Treasurer.
What is Ostrowski Erik's total buy and sell value in the current window?
Inside the rolling retention window, Ostrowski Erik bought $0 and sold $111K based on SEC Form 4 filings.
What was Ostrowski Erik's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 56,019 AKBA shares on 2026-06-29, worth $62K, per SEC Form 4 filings.