Cogent Communications Holdings, INC Form 4 insider transactions

Cogent Communications CFO Thaddeus Weed reported a planned sale of 4,900 shares of common stock at $36.98 per share, scheduled for September 2, 2025, under a Rule 10b5-1 plan.

A director at Cogent Communications Holdings, Inc. reported a future sale of 2,000 common shares.

Cogent Communications CEO Dave Schaeffer disposed of over 800,000 shares of common stock through a non-volitional margin loan facility transfer.

Cogent Communications Holdings, Inc. CEO David Schaeffer sold over 1.8 million shares of common stock due to a margin loan facility.

Cogent Communications Holdings, Inc. Director Eve Howard acquired 1,968 shares of common stock as a quarterly payment for her Q2 2025 service, increasing her direct beneficial ownership to 14,633 shares.

Steven D. Brooks, a Director at Cogent Communications Holdings, Inc., acquired 1,968 shares of common stock as part of his Q2 2025 quarterly director compensation.

Cogent Communications Holdings, Inc. Director Marc Montagner acquired 1,968 shares of common stock as compensation for his Q2 2025 service.

Sheryl Lynn Kennedy, a director at Cogent Communications Holdings, Inc., acquired 1,968 shares of common stock as compensation for her second-quarter 2025 service.

Cogent Communications Holdings, Inc. Director Deneen C. Howell acquired 1,968 shares of common stock as part of her Q2 2025 director compensation.

Cogent Communications Holdings, Inc. Director Lewis H. Ferguson acquired 1,968 shares of common stock as a quarterly payment for services rendered in Q2 2025, increasing his total beneficial ownership to 20,872 shares.

Cogent Communications Holdings, Inc. Director Paul de Sa acquired 1,968 shares of common stock as part of his compensation for Q2 2025 service, increasing his direct beneficial ownership to 21,119 shares.

Cogent Communications Holdings, Inc. (CCOI) Chairman, CEO, and President Dave Schaeffer has filed a Form 4 indicating a pre-planned sale of 70,000 shares of common stock in June 2025 under a Rule 10b5-1 trading plan.

Cogent Communications Holdings, Inc. Chairman, CEO, and President Dave Schaeffer sold a total of 55,000 shares of common stock on June 13, 2025, under a Rule 10b5-1 trading plan.

Cogent Communications Holdings, Inc. Chairman, CEO, and President, Dave Schaeffer, sold 55,000 shares of common stock for approximately $2.63 million on June 12, 2025, as part of a pre-arranged Rule 10b5-1 trading plan.

Cogent Communications Holdings, Inc. Chairman, CEO, and President Dave Schaeffer sold 55,000 shares of common stock on June 11, 2025, under a Rule 10b5-1 trading plan.

Cogent Communications Holdings, Inc.'s Chairman, CEO, and President, Dave Schaeffer, sold a total of 55,000 shares of common stock on June 10, 2025, through a Rule 10b5-1 trading plan.

Cogent Communications Holdings, Inc. (CCOI) Chairman, CEO, and President, Dave Schaeffer, reported the sale of 55,000 shares of common stock for approximately $2.68 million.

Cogent Communications Holdings, Inc.'s CFO, Thaddeus Gerard Weed, has filed a Form 4 indicating a pre-planned sale of 4,900 shares of common stock on June 9, 2025, under a Rule 10b5-1 plan.

Henry W. Kilmer, VP of Network Strategy at Cogent Communications Holdings, Inc. (CCOI), reported the sale of 2,400 shares of common stock for approximately $115,080.

Cogent Communications Holdings, Inc.'s Chairman, CEO, and President, Dave Schaeffer, reported the sale of 80,000 shares of common stock on June 6, 2025, for approximately $3.82 million.

A Cogent Communications Holdings, Inc. executive, Henry W. Kilmer, has amended a previous SEC filing to correct a transaction code, clarifying that 2,400 shares of common stock were acquired as an award due to performance goal achievement, rather than sold.

Dave Schaeffer, Chairman, CEO, and President of Cogent Communications Holdings, Inc., sold a total of 75,000 shares of common stock for approximately $3.55 million through pre-arranged Rule 10b5-1 trading plans.

James Bubeck, Chief Revenue Officer of Cogent Communications Holdings, Inc., sold 2,000 shares of common stock for approximately $95,000 under a Rule 10b5-1 trading plan.

Cogent Communications Holdings, Inc. CEO and Chairman Dave Schaeffer reported the sale of 75,000 shares of common stock for approximately $3.58 million under a pre-arranged 10b5-1 trading plan.

Dave Schaeffer, Chairman, CEO, and President of Cogent Communications Holdings, Inc. (CCOI), sold 65,000 shares of common stock for approximately $3.05 million through a pre-arranged trading plan.

Dave Schaeffer, Chairman, CEO, and President of Cogent Communications Holdings, Inc. (CCOI), sold a total of 65,000 shares of common stock for approximately $3 million in a pre-arranged transaction.

John B. Chang, VP & Chief Legal Officer of Cogent Communications Holdings, Inc., reported gifting 398 shares of common stock to an independent adult family member on June 2, 2025.

Cogent Communications Holdings, Inc. Chairman, CEO, and President, Dave Schaeffer, sold 25,000 shares of common stock for approximately $1.15 million under a Rule 10b5-1 trading plan.

Cogent Communications Holdings, Inc.'s Chairman, CEO, and President, Dave Schaeffer, sold 25,000 shares of common stock for approximately $46.90 per share on May 29, 2025, as part of a pre-scheduled Rule 10b5-1 trading plan.

Thaddeus Gerard Weed, CFO of Cogent Communications Holdings, Inc. (CCOI), filed a Form 4 reporting the sale of 100 shares of common stock on May 28, 2025.