Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 13 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 17, 2026 AKBA A 53,600 · · 53,600 Direct · Acquired (price as of 2026-10-05)
June 17, 2026 AKBA A 35,700 · · 169,081 Direct +26.77% Acquired (price as of 2026-10-05)
June 10, 2025 AKBA A 35,700 · · 133,381 Direct +36.55% Acquired (price as of 2026-10-05)
June 10, 2025 AKBA A 53,600 · · 53,600 Direct · Acquired (price as of 2026-10-05)
June 6, 2024 AKBA A 30,000 · · 97,681 Direct +44.33% Acquired (price as of 2026-10-05)
June 6, 2024 AKBA A 45,000 · · 45,000 Direct · Acquired (price as of 2026-10-05)
June 6, 2023 AKBA A 30,000 · · 67,681 Direct +79.62% Acquired (price as of 2026-10-05)
June 6, 2023 AKBA A 45,000 · · 45,000 Direct · Acquired (price as of 2026-10-05)
June 8, 2022 AKBA A 13,700 · · 37,681 Direct +57.13% Acquired (price as of 2026-10-05)
June 8, 2022 AKBA A 20,100 · · 20,100 Direct · Acquired (price as of 2026-10-05)
June 2, 2021 AKBA A 13,700 · · 23,981 Direct +133.26% Acquired (price as of 2026-10-05)
June 2, 2021 AKBA A 20,100 · · 20,100 Direct · Acquired (price as of 2026-10-05)
April 6, 2020 AKBA A 80,200 · · 80,200 Direct · Acquired (price as of 2026-10-05)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 17, 2026 AKBA Stock Option (Right to buy) Common Stock (53,600) $1.02 June 17, 2036 53,600 Acquired
June 10, 2025 AKBA Stock Option (Right to buy) Common Stock (53,600) $3.92 June 10, 2035 53,600 Acquired
June 6, 2024 AKBA Stock Option (Right to buy) Common Stock (45,000) $1.07 June 6, 2034 45,000 Acquired
June 6, 2023 AKBA Stock Option (Right to buy) Common Stock (45,000) $1.20 June 6, 2033 45,000 Acquired
June 8, 2022 AKBA Stock Option (Right to buy) Common Stock (20,100) $0.45 June 8, 2032 20,100 Acquired
June 2, 2021 AKBA Stock Option (Right to buy) Common Stock (20,100) $3.37 June 2, 2031 20,100 Acquired
April 6, 2020 AKBA Stock Option (Right to buy) Common Stock (80,200) $7.09 April 6, 2030 80,200 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
April 7, 2020 AKBA Common Stock 10,281 Direct