Form4insider filings, from the source

Company · CIK 0001670076 · SIC 4512 — Air Transportation, Scheduled · Nasdaq

Frontier Group Holdings, Inc. · ULCC

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $65k · 2net −$65k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 17Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 22, 2026 FMForm 4 →Sep 22, 4:04 pm EDTJeffrey MathewSVP, Chief Information Officer84,263$6.12$115,16646,627—
Sep 4, 2026 SForm 4 →Sep 9, 4:04 pm EDTAlexandre ClercSVP, Customers3,480$5.71$19,87134,008−9.28%
Sep 4, 2026 SForm 4 →Sep 9, 4:04 pm EDTSteve SchullerSVP, Human Resources7,500$6.00$45,00079,675−8.60%10b5-1

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 22, 2026 MForm 4 →Sep 22, 4:04 pm EDTJeffrey MathewSVP, Chief Information Officer65,445——196,335—