Cogent Communications Holdings, INC Form 4 insider transactions

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.

Dave Schaeffer, Chairman, CEO, and President of Cogent Communications Holdings, Inc. (CCOI), sold 20,000 shares of common stock for approximately $47.41 per share on May 28, 2025, as part of a pre-established Rule 10b5-1 trading plan.

Lewis H. Ferguson, a director at Cogent Communications Holdings, Inc., reported a planned sale of 1,100 shares of common stock at $47.57 per share, effective May 28, 2025.

Dave Schaeffer, Chairman, CEO, and President of Cogent Communications Holdings, Inc. (CCOI), reported the sale of 20,000 shares of common stock at a price of $48.6661 per share.

Cogent Communications Holdings, Inc. CEO, Chairman, and President Dave Schaeffer reported a planned sale of 25,000 shares of common stock at $46.9327 per share, executed under a Rule 10b5-1 trading plan.

Dave Schaeffer, Chairman, CEO, and President of Cogent Communications Holdings, Inc. (CCOI), reported the sale of 25,000 shares of common stock at an average price of $46.2707 per share, executed under a Rule 10b5-1 trading plan.

David Schaeffer, Chairman, CEO, and President of Cogent Communications Holdings, Inc., sold 40,000 shares of common stock at a price of $46.8062 on May 21, 2025.

Cogent Communications CEO Dave Schaeffer sold 15,000 shares of common stock at a price of $49.9565 on May 20, 2025.

Cogent Communications' Chairman, CEO, and President, David Schaeffer, sold 15,000 shares of common stock on May 16, 2025.

Thaddeus Weed, CFO of Cogent Communications, files an amended Form 4 to correct an error in a previous report regarding a stock sale.