OSTROWSKI ERIK

PrivateCIK: 1762507
Location

CAMBRIDGE, MA

OSTROWSKI ERIK (SVP, CFO, CBO & Treasurer) sold 4.9% of their position (34.95K shares) of AKEBIA THERAPEUTICS, INC. on the open market

Open‑market sale worth $48.6K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderOSTROWSKI ERIKCIK 1762507
IssuerAKEBIA THERAPEUTICS, INC.CIK 1517022
Officer· SVP, CFO, CBO & Treasurer
Since Feb 2026
-34.95K
Net shares
Net seller
$48.6K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
34.95K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

34.95K

Price / share

$1.39

Trade value

$48.58K

% of position

4.9%
2/2/2026
707.59K672.63K
Total

Net shares

34.95K

Net value

-$48.58K

Derivative Transactions0
No derivative transactions reported
OSTROWSKI ERIK — Insider Transaction (Form 4) Filed Feb 4, 2026 | Finecho