June 29, 2026 · Form 4 insider transaction
Ostrowski Erik sold 56,019 shares of Akebia Therapeutics, Inc. at $1.11 per share, a transaction worth $62.2K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 2 days after the transaction.
This sale represents an automatic "sell to cover" transaction to cover tax withholding obligations in connection with the vesting of restricted stock units granted on June 28, 2024. The sale was effected pursuant to durable automatic sell-to-cover instructions adopted by the reporting person on September 8, 2025.