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 $87.1M · 11net −$87.1M
$10k$10k$1M$1M$100M$100MbuyssalesJun 1Jun 17Jul 3Jul 19Aug 4Aug 20Sep 5

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
Aug 5, 2026 SForm 4 →Aug 6, 4:06 pm EDTMark Christopher MitchellSVP & CFO125,000$8.09$1,011,67553,785−69.9%
Aug 4, 2026 SForm 4 →Aug 6, 4:06 pm EDTHoward DiamondEVP, Legal & Corporate Affairs24,195$8.25$199,609133,126−15.4%
Aug 4, 2026 SForm 4 →Aug 6, 4:06 pm EDTJosh A WetzelVP & CAO2,000$8.00$16,00010,061−16.6%
Aug 4, 2026 SForm 4 →Aug 6, 4:06 pm EDTTrevor J. StedkeSr. Vice President, Operations167,277$8.03$1,342,7660−100%
Aug 3, 2026 SForm 4 →Aug 4, 4:11 pm EDTSteve SchullerSVP, Human Resources10,000$7.55$75,53787,175−10.3%
Jul 31, 2026 SForm 4 →Aug 4, 4:11 pm EDTAlexandre ClercSVP, Customers10,210$7.44$76,00137,488−21.4%
Jul 9, 2026 SForm 4 →Jul 13, 4:30 pm EDTGroup Holdings - Frontier LLC10% Owner11,700,000$7.20$84,240,00022,706,526−34.0%
Jun 5, 2026 SForm 4 →Jun 9, 4:04 pm EDTSteve SchullerSVP, Human Resources10,000$6.00$60,01197,175−9.33%
Jun 2, 2026 SForm 4 →Jun 4, 4:14 pm EDTAlexandre ClercSVP, Customers5,060$5.93$30,00647,698−9.59%

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—
Jun 15, 2026 AForm 4 →Jun 17, 4:01 pm EDTBarron Elliot SteeleDirector22,284——22,284—