James G. Dempsey
CIK: 0001854054
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Frontier Group Holdings, Inc.
Discretionary Trading P&L
Holdings
Transaction History (30 total)
- Oct 25, 2026ULCC
Frontier Group Holdings, Inc.
Exercise(M)Direct156.3K shares- - Oct 25, 2026ULCC
Frontier Group Holdings, Inc.
Tax Payment(F)Direct68.4K shares at avg. $4.94$338K - Oct 16, 2026ULCC
Frontier Group Holdings, Inc.
Tax Payment(F)Direct28.5K shares at avg. $5.03$143K - Oct 16, 2026ULCC
Frontier Group Holdings, Inc.
Exercise(M)Direct65.1K shares- - Feb 8, 2026ULCC
Frontier Group Holdings, Inc.
Tax Payment(F)Direct6.9K shares at avg. $6.52$45K - Feb 8, 2026ULCC
Frontier Group Holdings, Inc.
Exercise(M)Direct24.2K shares- - Feb 8, 2026ULCC
Frontier Group Holdings, Inc.
Tax Payment(F)Direct1.5K shares at avg. $6.52$10K - Feb 8, 2026ULCC
Frontier Group Holdings, Inc.
Exercise(M)Direct5.3K shares- - Feb 6, 2026ULCC
Frontier Group Holdings, Inc.
Exercise(M)Direct37.1K shares- - Feb 6, 2026ULCC
Frontier Group Holdings, Inc.
Tax Payment(F)Direct11.7K shares at avg. $5.65$66K - Feb 6, 2026ULCC
Frontier Group Holdings, Inc.
Tax Payment(F)Direct1.9K shares at avg. $5.65$11K - Feb 5, 2026ULCC
Frontier Group Holdings, Inc.
Award(A)Direct6.5K shares- - Jan 7, 2026ULCC
Frontier Group Holdings, Inc.
Award(A)DirectPerformance Stock Units
117.4K shares- - Oct 25, 2025ULCC
Frontier Group Holdings, Inc.
Tax Payment(F)Direct68.4K shares at avg. $4.15$284K - Oct 25, 2025ULCC
Frontier Group Holdings, Inc.
Exercise(M)Direct156.3K shares- - Oct 16, 2025ULCC
Frontier Group Holdings, Inc.
Tax Payment(F)Direct28.5K shares at avg. $4.42$126K - Oct 16, 2025ULCC
Frontier Group Holdings, Inc.
Exercise(M)Direct65.1K shares- - Feb 18, 2025ULCC
Frontier Group Holdings, Inc.
Sale(S)Direct318.3K shares at avg. $9.08$2.9M - Feb 14, 2025ULCC
Frontier Group Holdings, Inc.
Sale(S)Direct300K shares at avg. $8.81$2.6M - Feb 8, 2025ULCC
Frontier Group Holdings, Inc.
Exercise(M)Direct5.3K shares- - Feb 8, 2025ULCC
Frontier Group Holdings, Inc.
Tax Payment(F)Direct6.9K shares at avg. $9.34$65K - Feb 8, 2025ULCC
Frontier Group Holdings, Inc.
Exercise(M)Direct24.2K shares- - Feb 8, 2025ULCC
Frontier Group Holdings, Inc.
Tax Payment(F)Direct2K shares at avg. $9.34$19K - Feb 6, 2025ULCC
Frontier Group Holdings, Inc.
Award(A)DirectRestricted Stock Units
111.2K shares- - Feb 3, 2025ULCC
Frontier Group Holdings, Inc.
Exercise(M)Direct21.2K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 25, 2026 | ULCC Frontier Group Holdings, Inc. | Exercise(M) | 156,250 | - | $0 | Direct |
| Oct 25, 2026 | ULCC Frontier Group Holdings, Inc. | Tax Payment(F) | 68,359 | $4.94 | $337,693 | Direct |
| Oct 16, 2026 | ULCC Frontier Group Holdings, Inc. | Tax Payment(F) | 28,483 | $5.03 | $143,269 | Direct |
| Oct 16, 2026 | ULCC Frontier Group Holdings, Inc. | Exercise(M) | 65,105 | - | $0 | Direct |
| Feb 8, 2026 | ULCC Frontier Group Holdings, Inc. | Tax Payment(F) | 6,943 | $6.52 | $45,268 | Direct |
| Feb 8, 2026 | ULCC Frontier Group Holdings, Inc. | Exercise(M) | 24,150 | - | $0 | Direct |
| Feb 8, 2026 | ULCC Frontier Group Holdings, Inc. | Tax Payment(F) | 1,512 | $6.52 | $9,858 | Direct |
| Feb 8, 2026 | ULCC Frontier Group Holdings, Inc. | Exercise(M) | 5,262 | - | $0 | Direct |
| Feb 6, 2026 | ULCC Frontier Group Holdings, Inc. | Exercise(M) | 37,082 | - | $0 | Direct |
| Feb 6, 2026 | ULCC Frontier Group Holdings, Inc. | Tax Payment(F) | 11,690 | $5.65 | $66,049 | Direct |
| Feb 6, 2026 | ULCC Frontier Group Holdings, Inc. | Tax Payment(F) | 1,874 | $5.65 | $10,588 | Direct |
| Feb 5, 2026 | ULCC Frontier Group Holdings, Inc. | Award(A) | 6,521 | - | $0 | Direct |
| Jan 7, 2026 | ULCC Frontier Group Holdings, Inc. | Award(A) Performance Stock Units | 117,371 | - | - | Direct |
| Oct 25, 2025 | ULCC Frontier Group Holdings, Inc. | Tax Payment(F) | 68,359 | $4.15 | $283,690 | Direct |
| Oct 25, 2025 | ULCC Frontier Group Holdings, Inc. | Exercise(M) | 156,250 | - | - | Direct |
| Oct 16, 2025 | ULCC Frontier Group Holdings, Inc. | Tax Payment(F) | 28,483 | $4.42 | $125,895 | Direct |
| Oct 16, 2025 | ULCC Frontier Group Holdings, Inc. | Exercise(M) | 65,104 | - | - | Direct |
| Feb 18, 2025 | ULCC Frontier Group Holdings, Inc. | Sale(S) | 318,314 | $9.08 | $2,889,018 | Direct |
| Feb 14, 2025 | ULCC Frontier Group Holdings, Inc. | Sale(S) | 300,000 | $8.81 | $2,644,050 | Direct |
| Feb 8, 2025 | ULCC Frontier Group Holdings, Inc. | Exercise(M) | 5,262 | - | - | Direct |
| Feb 8, 2025 | ULCC Frontier Group Holdings, Inc. | Tax Payment(F) | 6,943 | $9.34 | $64,848 | Direct |
| Feb 8, 2025 | ULCC Frontier Group Holdings, Inc. | Exercise(M) | 24,150 | - | - | Direct |
| Feb 8, 2025 | ULCC Frontier Group Holdings, Inc. | Tax Payment(F) | 2,008 | $9.34 | $18,755 | Direct |
| Feb 6, 2025 | ULCC Frontier Group Holdings, Inc. | Award(A) Restricted Stock Units | 111,248 | - | - | Direct |
| Feb 3, 2025 | ULCC Frontier Group Holdings, Inc. | Exercise(M) | 21,215 | - | - | Direct |
1-25 of 30 transactions
About Dempsey James G.
Dempsey James G. (SEC CIK 0001854054) files insider reports with the SEC as President & CEO of Frontier Group Holdings, Inc. (ULCC).
Signal8 holds 14 ownership filings by Dempsey James G., all Form 4s, filed between Oct 18, 2024 and Oct 27, 2026. Those filings report 30 transactions, from Oct 16, 2024 to Oct 25, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Dempsey James G.'s filings is in DENVER, CO.
Recent filings by Dempsey James G.
- Oct 25, 2026: Option exercise of ULCC shares (Form 4, code M).
- Oct 25, 2026: Tax withholding of ULCC shares (Form 4, code F).
- Oct 16, 2026: Tax withholding of ULCC shares (Form 4, code F).
- Oct 16, 2026: Option exercise of ULCC shares (Form 4, code M).
- Feb 8, 2026: Tax withholding of ULCC shares (Form 4, code F).
Other insiders filing for Frontier Group Holdings, Inc. (ULCC)
- Fenner James R., SVP, Chief Revenue Officer
- Schuller Steve, SVP, Human Resources
- Diamond Howard, EVP, Legal & Corporate Affairs
- Mitchell Mark Christopher, SVP & CFO
- Wetzel Josh A, VP & CAO
- Stedke Trevor J., Sr. Vice President, Operations