Ostrowski Erik
SEC insider (Form 3/4/5 filer). CIK 0001762507. SVP, CFO, CBO & Treasurer at Akebia Therapeutics, Inc. (AKBA). 5 reported Form 4/5 transactions since Sep 2024; latest on Jun 29, 2026. Located in CAMBRIDGE, MA.
Companies Ostrowski Erik has filed insider reports for
- Akebia Therapeutics, Inc. (AKBA): Officer, SVP, CFO, CBO & Treasurer
Ostrowski Erik
CIK: 0001762507
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)3 (60.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)2 (40.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
AKBA
Akebia Therapeutics, Inc.
Officer
Discretionary Trading P&L
Holdings
Transaction History (5 total)
- Jun 29, 2026AKBA
Akebia Therapeutics, Inc.
SaleDirect56K shares at avg. $1.11$62K - Feb 2, 2026AKBA
Akebia Therapeutics, Inc.
SaleDirect35K shares at avg. $1.39$49K - Jan 30, 2026AKBA
Akebia Therapeutics, Inc.
AwardDirect204K shares- - Jun 30, 2025AKBA
Akebia Therapeutics, Inc.
SaleDirect41.3K shares at avg. $3.67$152K - Jan 31, 2025AKBA
Akebia Therapeutics, Inc.
AwardDirect194.9K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 29, 2026 | AKBA Akebia Therapeutics, Inc. | Sale | 56,019 | $1.11 | $62,181 | Direct |
| Feb 2, 2026 | AKBA Akebia Therapeutics, Inc. | Sale | 34,951 | $1.39 | $48,582 | Direct |
| Jan 30, 2026 | AKBA Akebia Therapeutics, Inc. | Award | 204,000 | - | $0 | Direct |
| Jun 30, 2025 | AKBA Akebia Therapeutics, Inc. | Sale | 41,314 | $3.67 | $151,622 | Direct |
| Jan 31, 2025 | AKBA Akebia Therapeutics, Inc. | Award | 194,900 | - | - | Direct |
1-5 of 5 transactions