Dudediligence.

Frontier Group Holdings, Inc

ULCCNASDAQ · Air Transportation, Scheduled
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$98.4M

26 notices · 13,185,514 sh

Oct 2025 to Oct 2026

Reported ·

$89.3M

21 sales · 0 buys

Oct 2025 to Sep 2026

The two figures cover different periods.

8 of 21 reported sales carry the 10b5-1 box. Together they are 5.42% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Sep 2026N2025DJ2026FMAMJJASO2026-09-04: Alexandre Clerc, Form 1442026-09-04: Schuller Steve, Form 1442026-08-05: MARK MITCHELL, Form 1442026-08-04: ALEXANDRE CLERC, Form 1442026-08-04: TREVOR STEDKE, Form 1442026-08-04: HOWARD DIAMOND, Form 1442026-08-04: JOSHUA WETZEL, Form 1442026-08-03: STEVEN SCHULLER, Form 1442026-07-31: ALEXANDRE CLERC, Form 1442026-07-09: Group Holdings - Frontier LLC, Form 1442026-06-05: Steven Schuller, Form 1442026-06-02: ALEXANDRE CLERC, Form 1442026-05-21: Joshua Wetzel, Form 1442026-05-07: TREVOR STEDKE, Form 1442026-03-10: BARRY BIFFLE, Form 1442026-03-09: BARRY BIFFLE, Form 1442026-02-06: Schuller Steve, Form 1442026-02-06: Biffle Barry, Form 1442026-02-04: Biffle Barry, Form 1442026-01-22: Biffle Barry, Form 1442025-12-11: Biffle Barry, Form 1442025-12-10: Biffle Barry, Form 1442025-12-10: Schuller Steve, Form 1442025-12-08: Biffle Barry, Form 1442025-12-05: Biffle Barry, Form 1442025-12-04: Biffle Barry, Form 1442025-12-04: Biffle Barry, sold2025-12-10: Biffle Barry, sold2025-12-10: Schuller Steve, sold2026-02-06: Schuller Steve, sold2026-05-07: Stedke Trevor J., sold2026-05-21: Wetzel Josh A, sold2026-06-02: Clerc Alexandre, sold2026-06-05: Schuller Steve, sold2026-07-09: Group Holdings - Frontier LLC, sold2026-07-31: Clerc Alexandre, sold2026-08-03: Schuller Steve, sold2026-08-04: Diamond Howard, sold2026-08-04: Stedke Trevor J., sold2026-08-04: Wetzel Josh A, sold2026-08-05: Mitchell Mark Christopher, sold2026-09-04: Clerc Alexandre, sold2026-09-04: Schuller Steve, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-09-04Alexandre Clerc, SVP, Customers$19,870
3,480 shno plan date144 ↗
Form 4, 2026-09-09: sold 3,480 at $5.71 Form 4 ↗
2026-09-04Schuller Steve, SVP, Human Resources$43,125
7,500 shplan 2026-06-03144 ↗
Form 4, 2026-09-09: sold 7,500 at $6.00 Form 4 ↗
2026-08-05MARK MITCHELL, SVP & CFO$968,750
125,000 shno plan date144 ↗
Form 4, 2026-08-06: sold 125,000 at $8.09 Form 4 ↗
2026-08-04ALEXANDRE CLERC, SVP, Customers$25,065
3,068 shno plan dateForm 4s on file end Sep 23144 ↗
2026-08-04TREVOR STEDKE, Sr. Vice President, Operations$1,334,458
167,277 shplan 2026-05-12144 ↗
Form 4, 2026-08-06: sold 167,277 at $8.03 Form 4 ↗
2026-08-04HOWARD DIAMOND, EVP, Legal & Corporate Affairs$199,609
24,195 shno plan date144 ↗
Form 4, 2026-08-06: sold 24,195 at $8.25 Form 4 ↗
2026-08-04JOSHUA WETZEL, VP & CAO$16,000
2,000 shno plan date144 ↗
Form 4, 2026-08-06: sold 2,000 at $8.00 Form 4 ↗
2026-08-03STEVEN SCHULLER, SVP, Human Resources$75,537
10,000 shplan 2026-06-03144 ↗
Form 4, 2026-08-04: sold 10,000 at $7.55 Form 4 ↗
2026-07-31ALEXANDRE CLERC, SVP, Customers$50,923
7,142 shno plan date144 ↗
Form 4, 2026-08-04: sold 10,210 at $7.44 Form 4 ↗
2026-07-09Group Holdings - Frontier LLC, 10% owner$90.1M
11,700,000 shno plan date144 ↗
Form 4, 2026-07-13: sold 11,700,000 at $7.20 Form 4 ↗
2026-06-05Steven Schuller, SVP, Human Resources$60,000
10,000 shplan 2026-06-03144 ↗
Form 4, 2026-06-09: sold 10,000 at $6.00 Form 4 ↗
2026-06-02ALEXANDRE CLERC, SVP, Customers$30,006
5,060 shno plan date144 ↗
Form 4, 2026-06-04: sold 5,060 at $5.93 Form 4 ↗
2026-05-21Joshua Wetzel, VP & CAO$64,131
13,500 shno plan date144 ↗
Form 4, 2026-05-21: sold 13,500 at $4.75 Form 4 ↗
2026-05-07TREVOR STEDKE, Sr. Vice President, Operations$443,807
83,110 shplan 2025-09-02144 ↗
Form 4, 2026-05-11: sold 83,110 at $5.41 Form 4 ↗
2026-03-10BARRY BIFFLE, CEO$790,000
214,182 shplan 2025-08-08no Form 4 on file144 ↗
2026-03-09BARRY BIFFLE, CEO$700,000
200,000 shplan 2025-08-08no Form 4 on file144 ↗
2026-02-06Schuller Steve, SVP, Human Resources$30,000
5,000 shplan 2024-05-19144 ↗
Form 4, 2026-02-09: sold 5,000 at $6.00 Form 4 ↗
2026-02-06Biffle Barry, CEO$1,255,780
200,000 shplan 2025-08-08no Form 4 on file144 ↗
2026-02-04Biffle Barry, CEO$526,696
94,960 shplan 2025-08-08no Form 4 on file144 ↗
2026-01-22Biffle Barry, CEO$27,770
5,040 shplan 2025-08-08no Form 4 on file144 ↗
2025-12-11Biffle Barry, CEO$477,675
82,627 shplan 2025-08-08no Form 4 on file144 ↗
2025-12-10Biffle Barry, CEO$104,422
17,373 shplan 2025-08-08no Form 4 on file144 ↗
2025-12-10Schuller Steve, SVP, Human Resources$30,000
5,000 shplan 2024-05-19144 ↗
Form 4, 2025-12-12: sold 5,000 at $6.00 Form 4 ↗
2025-12-08Biffle Barry, CEO$554,290
100,000 shplan 2025-08-08144 ↗
Form 4, 2025-12-12: sold 100,000 at $5.82 Form 4 ↗
2025-12-05Biffle Barry, CEO$226,225
44,813 shplan 2025-08-08no Form 4 on file144 ↗
2025-12-04Biffle Barry, CEO$277,900
55,187 shplan 2025-08-08144 ↗
Form 4, 2025-12-08: sold 200,000 at $5.29 Form 4 ↗