Dudediligence.

Cogent Communications Holdings, Inc

CCOINASDAQ · Communications Services, NEC
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Last 12 months

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

Planned ·

$970,815

13 notices · 49,456 sh

Oct 2025 to Oct 2026

Reported ·

$995,500

15 sales · 0 buys

Oct 2025 to Sep 2026

The two figures cover different periods.

None of the 15 reported sales carry the 10b5-1 box. Together they are 0.11% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Sep 2026N2025DJ2026FMAMJJASO2026-09-02: THADDEUS WEED, Form 1442026-06-16: THADDEUS WEED, Form 1442026-06-09: KILMER HENRY W, Form 1442026-05-28: Lewis H FERGUSON, Form 1442026-05-14: Sheryl Lynn Kennedy, Form 1442026-03-05: THADDEUS WEED, Form 1442026-03-05: KILMER HENRY W, Form 1442026-03-05: Sheryl Lynn Kennedy, Form 1442026-03-05: Lewis H FERGUSON, Form 1442025-12-11: THADDEUS WEED, Form 1442025-12-03: KILMER HENRY W, Form 1442025-12-01: Lewis H FERGUSON, Form 1442025-11-11: Sheryl Lynn Kennedy, Form 1442025-11-11: Kennedy Sheryl Lynn, sold2025-12-01: KILMER HENRY W, sold2025-12-02: FERGUSON Lewis H, sold2025-12-08: KILMER HENRY W, sold2025-12-11: WEED THADDEUS GERARD, sold2026-03-05: WEED THADDEUS GERARD, sold2026-03-05: FERGUSON Lewis H, sold2026-03-05: Kennedy Sheryl Lynn, sold2026-03-06: KILMER HENRY W, sold2026-05-14: Kennedy Sheryl Lynn, sold2026-05-28: FERGUSON Lewis H, sold2026-06-15: KILMER HENRY W, sold2026-06-16: WEED THADDEUS GERARD, sold2026-09-02: WEED THADDEUS GERARD, sold2026-09-15: KILMER HENRY W, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-09-02THADDEUS WEED, VICE PRESIDENT, CFO$45,445
4,850 shplan 2026-05-20144 ↗
Form 4, 2026-09-03: sold 4,850 at $9.37 Form 4 ↗
2026-06-16THADDEUS WEED, VICE PRESIDENT, CFO$81,435
4,850 shplan 2026-05-20144 ↗
Form 4, 2026-06-16: sold 4,850 at $16.79 Form 4 ↗
2026-06-09KILMER HENRY W, VP OF NETWORK STRATEGY$42,125
2,400 shno plan date144 ↗
Form 4, 2026-06-15: sold 2,400 at $17.01 Form 4 ↗
2026-05-28Lewis H FERGUSON, Director$57,008
2,800 shno plan date144 ↗
Form 4, 2026-05-28: sold 2,800 at $20.36 Form 4 ↗
2026-05-14Sheryl Lynn Kennedy, Director$53,367
3,300 shno plan date144 ↗
Form 4, 2026-05-18: sold 3,300 at $16.22 Form 4 ↗
2026-03-05THADDEUS WEED, VICE PRESIDENT, CFO$109,756
4,850 shno plan date144 ↗
Form 4, 2026-03-05: sold 4,850 at $22.63 Form 4 ↗
2026-03-05KILMER HENRY W, VP OF NETWORK STRATEGY$55,200
2,400 shno plan date144 ↗
Form 4, 2026-03-09: sold 2,400 at $23.35 Form 4 ↗
2026-03-05Sheryl Lynn Kennedy, Director$75,600
3,300 shno plan date144 ↗
Form 4, 2026-03-05: sold 3,300 at $22.99 Form 4 ↗
2026-03-05Lewis H FERGUSON, Director$50,800
2,206 shno plan date144 ↗
Form 4, 2026-03-05: sold 2,206 at $23.03 Form 4 ↗
2025-12-11THADDEUS WEED, VICE PRESIDENT, CFO$175,127
7,300 shno plan date144 ↗
Form 4, 2025-12-12: sold 7,300 at $23.99 Form 4 ↗
2025-12-03KILMER HENRY W, VP OF NETWORK STRATEGY$95,952
4,800 shno plan date144 ↗
Form 4, 2025-12-02: sold 2,400On January 3, 2022, the reporting person was granted an award of restricted stock units, which vest in the form of common stock based upon the Issuer's achievement of certain performance goals. The Issuer's Board of Directors, and its... Form 4 ↗
2025-12-01Lewis H FERGUSON, Director$78,000
4,000 shno plan date144 ↗
Form 4, 2025-12-02: sold 4,000 at $20.34 Form 4 ↗
2025-11-11Sheryl Lynn Kennedy, Director$51,000
2,400 shno plan date144 ↗
Form 4, 2025-11-12: sold 2,400 at $21.34 Form 4 ↗