InsiderTrades

Ostrowski Erik

SEC CIK 1762507 · EDGAR

Buying vs selling by month open-market trades, last 24 months, all 2 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
AKBAAkebia Therapeutics, Inc.SVP, CFO, CBO, Treas 616.6K — $262.4K 62024-06-282026-06-29
TECXTectonic Therapeutic, Inc.Pres, CFO, Interim CEO 29.3K — — 22024-02-012024-02-05

Most active insiders at AKBA, 12 months

#InsiderTitleBoughtSold
1 Butler John P.CEO, Pres, Dir $86.6K$474.4K
2 Grund NicholasChief Commercial Off —$117.9K
3 Ostrowski ErikSVP, CFO, CBO, Treas —$110.8K
4 Rucci Carolyn M.SVP, CLO —$97.0K
5 Burke Steven KeithSVP, Chief Medical Off —$94.0K
6 Malabre Richard CSVP, CAO —$68.8K
7 FRIESON RONDir ——
8 Wolf MylesDir ——
9 Smith CynthiaDir ——
10 ADAMS ADRIANDir ——

Transactions 8

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
T 2026-07-01 16:34 2026-06-29 AKBA Akebia Therapeutics, Inc. Ostrowski Erik SVP, CFO, CBO, Treas S - Sale $1.11 -56.0K 616.6K -8% -$62.2K
T 2026-02-04 2026-02-02 AKBA Akebia Therapeutics, Inc. Ostrowski Erik SVP, CFO, CBO, Treas S - Sale $1.39 -35.0K 672.6K -5% -$48.6K
D 2026-02-03 2026-01-30 AKBA Akebia Therapeutics, Inc. Ostrowski Erik SVP, CFO, CBO, Treas A - Grant $0.00 +204.0K 707.6K +41% $0
T 2025-07-01 2025-06-30 AKBA Akebia Therapeutics, Inc. Ostrowski Erik SVP, CFO, CBO, Treas S - Sale $3.67 -41.3K 503.6K -8% -$151.6K
D 2025-02-04 2025-01-31 AKBA Akebia Therapeutics, Inc. Ostrowski Erik SVP, CFO, CBO, Treas A - Grant $0.00 +194.9K 544.9K +56% $0
D 2024-07-02 2024-06-28 AKBA Akebia Therapeutics, Inc. Ostrowski Erik SVP, CFO, CBO, Treas A - Grant $0.00 +350.0K 350.0K New $0
D 2024-02-05 2024-02-05 TECX Tectonic Therapeutic, Inc. Ostrowski Erik Pres, CFO, Interim CEO F - Tax $1.20 -13.1K 29.3K -31% -$15.7K
D 2024-02-05 2024-02-01 TECX Tectonic Therapeutic, Inc. Ostrowski Erik Pres, CFO, Interim CEO M - OptEx $0.00 +40.1K 42.4K +1,743% $0

Purchase Sale Sale after option exercise All abbreviations