Form4insider filings, from the source

Company · CIK 0001759631 · SIC 3713 — Truck & Bus Bodies · NYSE

Hyliion Holdings Corp. · HYLN

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $170k · 1sales $0 · 0net $170k
$10k$10k$100k$100k$1M$1MbuyssalesMar 28Apr 27May 28Jun 28Jul 29Aug 28Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 21, 2026 GForm 4 →Sep 22, 4:38 pm EDTJose Miguel OxholmChief Legal&Compliance Officer50,000——749,814—
Aug 27, 2026 PForm 4 →Aug 27, 5:07 pm EDTVincent T. CubbageDirector50,000$3.40$170,0001,131,363+4.62%
Aug 21, 2026 JForm 4 →Aug 25, 5:31 pm EDTThomas J. HealyChief Executive Officer, Director, 10% Owner29,840$3.33$99,36732,782,422—
Aug 21, 2026 JForm 4 →Aug 21, 4:51 pm EDTGovindaraj RamasamyChief Commercial Officer6,670$3.37$22,478593,920—
Aug 21, 2026 JForm 4 →Aug 21, 4:51 pm EDTJose Miguel OxholmChief Legal&Compliance Officer11,980$3.33$39,893799,814—
Aug 21, 2026 JForm 4 →Aug 21, 4:50 pm EDTJoshua T. MookChief Technology Officer10,700$3.33$35,6311,096,606—
Aug 21, 2026 JForm 4 →Aug 21, 4:50 pm EDTJon PanzerChief Financial Officer13,595$3.32$45,135935,480—
Aug 19, 2026 JForm 4 →Aug 21, 4:49 pm EDTGreg StandleyChief Accounting Officer.3,731$3.73$13,917253,568—
Jun 26, 2026 GForm 4 →Jun 30, 4:49 pm EDTThomas J. HealyChief Executive Officer, Director, 10% Owner2,500,000——32,812,262—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.