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Dave Schaeffer
Insider
First SEC filing: Jan. 25, 2007 · Latest: Jan. 25, 2007
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 4, 2026 | CCOI | G | 1,000,000 | · | · | 1,258,990 Indirect | +386.12% | Acquired | (price as of 2026-10-02) |
| May 4, 2026 | CCOI | G | 1,000,000 | · | · | 609,143 Direct | -62.14% | Disposed | (price as of 2026-10-02) |
| May 4, 2026 | CCOI | A | 1,000,000 | · | · | 1,609,143 Direct | +164.17% | Acquired | (price as of 2026-10-02) |
| April 1, 2026 | CCOI | G | 29,333 | · | · | 258,990 Indirect | +12.77% | Acquired | (price as of 2026-10-02) |
| April 1, 2026 | CCOI | G | 29,333 | · | · | 609,143 Direct | -4.59% | Disposed | (price as of 2026-10-02) |
| April 1, 2026 | CCOI | D | 58,667 | · | · | 638,476 Direct | -8.42% | Disposed | (price as of 2026-10-02) |
| Dec. 31, 2025 | CCOI | G | 229,657 | · | · | 229,657 Indirect | · | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2025 | CCOI | G | 229,657 | · | · | 697,143 Direct | -24.78% | Disposed | (price as of 2026-10-02) |
| Dec. 31, 2025 | CCOI | A | 229,657 | · | · | 926,800 Direct | +32.94% | Acquired | (price as of 2026-10-02) |
| Aug. 8, 2025 | CCOI | S | 818,909 | $27.50 | $22,519,998 | 697,143 Direct | -54.02% | Disposed | -69.2% (price as of 2026-10-02) |
| Aug. 7, 2025 | CCOI | S | 1,840,669 | $32.60 | $60,005,809 | 1,516,052 Direct | -54.84% | Disposed | -74.0% (price as of 2026-10-02) |
| June 16, 2025 | CCOI | S | 45,000 | $47.14 | $2,121,300 | 3,381,721 Direct | -1.31% | Disposed | -82.1% (price as of 2026-10-02) |
| June 16, 2025 | CCOI | S | 25,000 | $47.05 | $1,176,250 | 3,356,721 Direct | -0.74% | Disposed | -82.0% (price as of 2026-10-02) |
| June 13, 2025 | CCOI | S | 45,000 | $47.42 | $2,133,900 | 3,436,721 Direct | -1.29% | Disposed | -82.2% (price as of 2026-10-02) |
| June 13, 2025 | CCOI | S | 10,000 | $47.34 | $473,400 | 3,426,721 Direct | -0.29% | Disposed | -82.1% (price as of 2026-10-02) |
| June 12, 2025 | CCOI | S | 45,000 | $47.87 | $2,154,150 | 3,491,721 Direct | -1.27% | Disposed | -82.3% (price as of 2026-10-02) |
| June 12, 2025 | CCOI | S | 10,000 | $47.83 | $478,300 | 3,481,721 Direct | -0.29% | Disposed | -82.3% (price as of 2026-10-02) |
| June 11, 2025 | CCOI | S | 45,000 | $48.55 | $2,184,750 | 3,546,721 Direct | -1.25% | Disposed | -82.6% (price as of 2026-10-02) |
| June 11, 2025 | CCOI | S | 10,000 | $48.35 | $483,500 | 3,536,721 Direct | -0.28% | Disposed | -82.5% (price as of 2026-10-02) |
| June 10, 2025 | CCOI | S | 40,000 | $48.70 | $1,948,000 | 3,606,721 Direct | -1.10% | Disposed | -82.6% (price as of 2026-10-02) |
| June 10, 2025 | CCOI | S | 15,000 | $48.63 | $729,450 | 3,591,721 Direct | -0.42% | Disposed | -82.6% (price as of 2026-10-02) |
| June 9, 2025 | CCOI | S | 40,000 | $48.51 | $1,940,400 | 3,661,721 Direct | -1.08% | Disposed | -82.6% (price as of 2026-10-02) |
| June 9, 2025 | CCOI | S | 15,000 | $48.99 | $734,850 | 3,646,721 Direct | -0.41% | Disposed | -82.7% (price as of 2026-10-02) |
| June 6, 2025 | CCOI | S | 50,000 | $47.78 | $2,389,000 | 3,731,721 Direct | -1.32% | Disposed | -82.3% (price as of 2026-10-02) |
| June 6, 2025 | CCOI | S | 30,000 | $47.78 | $1,433,400 | 3,701,721 Direct | -0.80% | Disposed | -82.3% (price as of 2026-10-02) |
| June 5, 2025 | CCOI | S | 40,000 | $47.29 | $1,891,600 | 3,816,721 Direct | -1.04% | Disposed | -82.1% (price as of 2026-10-02) |
| June 5, 2025 | CCOI | S | 35,000 | $47.31 | $1,655,850 | 3,781,721 Direct | -0.92% | Disposed | -82.1% (price as of 2026-10-02) |
| June 4, 2025 | CCOI | S | 50,000 | $47.76 | $2,388,000 | 3,881,721 Direct | -1.27% | Disposed | -82.3% (price as of 2026-10-02) |
| June 4, 2025 | CCOI | S | 25,000 | $47.76 | $1,194,000 | 3,856,721 Direct | -0.64% | Disposed | -82.3% (price as of 2026-10-02) |
| June 3, 2025 | CCOI | S | 50,000 | $47.00 | $2,350,000 | 3,946,721 Direct | -1.25% | Disposed | -82.0% (price as of 2026-10-02) |
| June 3, 2025 | CCOI | S | 15,000 | $46.86 | $702,900 | 3,931,721 Direct | -0.38% | Disposed | -81.9% (price as of 2026-10-02) |
| June 2, 2025 | CCOI | S | 50,000 | $46.38 | $2,319,000 | 4,011,721 Direct | -1.23% | Disposed | -81.8% (price as of 2026-10-02) |
| June 2, 2025 | CCOI | S | 15,000 | $46.13 | $691,950 | 3,996,721 Direct | -0.37% | Disposed | -81.7% (price as of 2026-10-02) |
| May 30, 2025 | CCOI | S | 25,000 | $45.90 | $1,147,500 | 4,061,721 Direct | -0.61% | Disposed | -81.6% (price as of 2026-10-02) |
| May 29, 2025 | CCOI | S | 25,000 | $46.90 | $1,172,500 | 4,086,721 Direct | -0.61% | Disposed | -82.0% (price as of 2026-10-02) |
| May 28, 2025 | CCOI | S | 20,000 | $47.41 | $948,200 | 4,111,721 Direct | -0.48% | Disposed | -82.2% (price as of 2026-10-02) |
| May 27, 2025 | CCOI | S | 20,000 | $48.67 | $973,400 | 4,131,721 Direct | -0.48% | Disposed | -82.6% (price as of 2026-10-02) |
| May 23, 2025 | CCOI | S | 25,000 | $46.93 | $1,173,250 | 4,151,721 Direct | -0.60% | Disposed | -82.0% (price as of 2026-10-02) |
| May 22, 2025 | CCOI | S | 25,000 | $46.27 | $1,156,750 | 4,176,721 Direct | -0.59% | Disposed | -81.7% (price as of 2026-10-02) |
| May 21, 2025 | CCOI | S | 40,000 | $46.81 | $1,872,400 | 4,201,721 Direct | -0.94% | Disposed | -81.9% (price as of 2026-10-02) |
| May 20, 2025 | CCOI | S | 15,000 | $49.96 | $749,400 | 4,241,721 Direct | -0.35% | Disposed | -83.1% (price as of 2026-10-02) |
| May 16, 2025 | CCOI | S | 15,000 | $51.00 | $765,000 | 4,256,721 Direct | -0.35% | Disposed | -83.4% (price as of 2026-10-02) |
| May 15, 2025 | CCOI | S | 40,000 | $50.38 | $2,015,200 | 4,271,721 Direct | -0.93% | Disposed | -83.2% (price as of 2026-10-02) |
| May 14, 2025 | CCOI | S | 30,000 | $50.64 | $1,519,200 | 4,311,721 Direct | -0.69% | Disposed | -83.3% (price as of 2026-10-02) |
| May 13, 2025 | CCOI | S | 42,628 | $50.45 | $2,150,583 | 4,341,721 Direct | -0.97% | Disposed | -83.2% (price as of 2026-10-02) |
| May 12, 2025 | CCOI | S | 11,372 | $50.10 | $569,737 | 4,384,349 Direct | -0.26% | Disposed | -83.1% (price as of 2026-10-02) |
| April 4, 2025 | CCOI | D | 48,317 | · | · | 4,395,721 Direct | -1.09% | Disposed | (price as of 2026-10-02) |
| March 4, 2025 | CCOI | S | 60,000 | $71.77 | $4,306,200 | 4,444,038 Direct | -1.33% | Disposed | -88.2% (price as of 2026-10-02) |
| Jan. 14, 2025 | CCOI | A | 84,000 | · | · | 4,408,038 Direct | +1.94% | Acquired | (price as of 2026-10-02) |
| Jan. 14, 2025 | CCOI | A | 96,000 | · | · | 4,504,038 Direct | +2.18% | Acquired | (price as of 2026-10-02) |
| Dec. 16, 2024 | CCOI | D | 20,000 | $75.88 | $1,517,600 | 4,228,038 Direct | -0.47% | Disposed | -88.9% (price as of 2026-10-02) |
| Nov. 26, 2024 | CCOI | S | 24,364 | $82.68 | $2,014,416 | 4,248,038 Direct | -0.57% | Disposed | -89.8% (price as of 2026-10-02) |
| Nov. 25, 2024 | CCOI | S | 35,636 | $83.76 | $2,984,871 | 4,272,402 Direct | -0.83% | Disposed | -89.9% (price as of 2026-10-02) |
| Sept. 10, 2024 | CCOI | S | 65,000 | $71.75 | $4,663,750 | 4,308,038 Direct | -1.49% | Disposed | -88.2% (price as of 2026-10-02) |
| Aug. 27, 2024 | CCOI | S | 60,000 | $72.82 | $4,369,200 | 4,373,038 Direct | -1.35% | Disposed | -88.4% (price as of 2026-10-02) |
| June 14, 2024 | CCOI | S | 60,000 | $51.78 | $3,106,800 | 4,433,038 Direct | -1.34% | Disposed | -83.7% (price as of 2026-10-02) |
| June 12, 2024 | CCOI | S | 60,000 | $54.60 | $3,276,000 | 4,493,038 Direct | -1.32% | Disposed | -84.5% (price as of 2026-10-02) |
| May 13, 2024 | CCOI | S | 50,000 | $59.44 | $2,972,000 | 4,553,038 Direct | -1.09% | Disposed | -85.8% (price as of 2026-10-02) |
| April 1, 2024 | CCOI | D | 50,165 | · | · | 4,603,038 Direct | -1.08% | Disposed | (price as of 2026-10-02) |
| March 15, 2024 | CCOI | S | 26,174 | $64.21 | $1,680,633 | 4,653,203 Direct | -0.56% | Disposed | -86.8% (price as of 2026-10-02) |
| March 13, 2024 | CCOI | S | 30,000 | $67.52 | $2,025,600 | 4,679,377 Direct | -0.64% | Disposed | -87.5% (price as of 2026-10-02) |
| March 12, 2024 | CCOI | S | 50,000 | $68.12 | $3,406,000 | 4,709,377 Direct | -1.05% | Disposed | -87.6% (price as of 2026-10-02) |
| March 12, 2024 | CCOI | D | 50,000 | $68.12 | $3,406,000 | 4,709,377 Direct | -1.05% | Disposed | -87.6% (price as of 2026-10-02) |
| March 11, 2024 | CCOI | S | 35,000 | $67.93 | $2,377,550 | 4,759,377 Direct | -0.73% | Disposed | -87.5% (price as of 2026-10-02) |
| March 11, 2024 | CCOI | D | 35,000 | $67.93 | $2,377,550 | 4,759,377 Direct | -0.73% | Disposed | -87.5% (price as of 2026-10-02) |
| March 6, 2024 | CCOI | S | 8,826 | $72.55 | $640,326 | 4,815,764 Direct | -0.18% | Disposed | -88.3% (price as of 2026-10-02) |
| March 6, 2024 | CCOI | D | 21,387 | · | · | 4,794,377 Direct | -0.44% | Disposed | (price as of 2026-10-02) |
| Jan. 3, 2024 | CCOI | A | 84,000 | · | · | 4,824,590 Direct | +1.77% | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2024 | CCOI | A | 96,000 | · | · | 4,920,590 Direct | +1.99% | Acquired | (price as of 2026-10-02) |
| Dec. 13, 2023 | CCOI | S | 20,000 | $69.99 | $1,399,800 | 4,740,590 Direct | -0.42% | Disposed | -87.9% (price as of 2026-10-02) |
| Dec. 1, 2023 | CCOI | S | 36,604 | $65.18 | $2,385,849 | 4,760,590 Direct | -0.76% | Disposed | -87.0% (price as of 2026-10-02) |
| Nov. 30, 2023 | CCOI | S | 3,396 | $64.31 | $218,397 | 4,797,194 Direct | -0.07% | Disposed | -86.8% (price as of 2026-10-02) |
| Nov. 14, 2023 | CCOI | S | 40,000 | $66.37 | $2,654,800 | 4,800,590 Direct | -0.83% | Disposed | -87.3% (price as of 2026-10-02) |
| Sept. 15, 2023 | CCOI | S | 18,191 | $65.82 | $1,197,332 | 4,840,590 Direct | -0.37% | Disposed | -87.1% (price as of 2026-10-02) |
| Sept. 13, 2023 | CCOI | S | 16,753 | $66.70 | $1,117,425 | 4,858,781 Direct | -0.34% | Disposed | -87.3% (price as of 2026-10-02) |
| Sept. 12, 2023 | CCOI | S | 28,247 | $66.97 | $1,891,702 | 4,875,534 Direct | -0.58% | Disposed | -87.4% (price as of 2026-10-02) |
| Sept. 11, 2023 | CCOI | S | 3,309 | $67.16 | $222,232 | 4,903,781 Direct | -0.07% | Disposed | -87.4% (price as of 2026-10-02) |
| Sept. 8, 2023 | CCOI | S | 41,691 | $67.72 | $2,823,315 | 4,907,090 Direct | -0.84% | Disposed | -87.5% (price as of 2026-10-02) |
| June 8, 2023 | CCOI | S | 7,061 | $62.44 | $440,889 | 4,948,781 Direct | -0.14% | Disposed | -86.5% (price as of 2026-10-02) |
| June 7, 2023 | CCOI | S | 42,334 | $62.30 | $2,637,408 | 4,955,842 Direct | -0.85% | Disposed | -86.4% (price as of 2026-10-02) |
| June 6, 2023 | CCOI | S | 25,605 | $62.25 | $1,593,911 | 4,998,176 Direct | -0.51% | Disposed | -86.4% (price as of 2026-10-02) |
| May 10, 2023 | CCOI | S | 35,000 | $65.38 | $2,288,300 | 5,023,781 Direct | -0.69% | Disposed | -87.1% (price as of 2026-10-02) |
| Jan. 3, 2023 | CCOI | A | 72,000 | · | · | 4,970,781 Direct | +1.47% | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2023 | CCOI | A | 88,000 | · | · | 5,058,781 Direct | +1.77% | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2022 | CCOI | A | 72,000 | · | · | 4,810,781 Direct | +1.52% | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2022 | CCOI | A | 88,000 | · | · | 4,898,781 Direct | +1.83% | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2021 | CCOI | A | 84,000 | · | · | 4,633,781 Direct | +1.85% | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2021 | CCOI | A | 105,000 | · | · | 4,738,781 Direct | +2.27% | Acquired | (price as of 2026-10-02) |
| Jan. 18, 2021 | CCOI | D | 15,951 | · | · | 4,549,781 Direct | -0.35% | Disposed | (price as of 2026-10-02) |
| March 1, 2020 | CCOI | D | 32,608 | · | · | 4,565,732 Direct | -0.71% | Disposed | (price as of 2026-10-02) |
| Feb. 14, 2020 | CCOI | A | 84,000 | · | · | 4,493,340 Direct | +1.91% | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2020 | CCOI | A | 105,000 | · | · | 4,598,340 Direct | +2.34% | Acquired | (price as of 2026-10-02) |
| May 1, 2019 | CCOI | A | 84,000 | · | · | 4,304,340 Direct | +1.99% | Acquired | (price as of 2026-10-02) |
| May 1, 2019 | CCOI | A | 105,000 | · | · | 4,409,340 Direct | +2.44% | Acquired | (price as of 2026-10-02) |
| Feb. 21, 2018 | CCOI | A | 105,000 | · | · | 4,220,340 Direct | +2.55% | Acquired | (price as of 2026-10-02) |
| Feb. 21, 2018 | CCOI | A | 84,000 | · | · | 4,115,340 Direct | +2.08% | Acquired | (price as of 2026-10-02) |
| May 3, 2017 | CCOI | A | 84,000 | · | · | 3,926,340 Direct | +2.19% | Acquired | (price as of 2026-10-02) |
| May 3, 2017 | CCOI | A | 105,000 | · | · | 4,031,340 Direct | +2.67% | Acquired | (price as of 2026-10-02) |
| May 4, 2016 | CCOI | A | 170,000 | · | · | 3,842,340 Direct | +4.63% | Acquired | (price as of 2026-10-02) |
| May 4, 2016 | CCOI | A | 170,000 | · | · | 3,382,471 Direct | +5.29% | Acquired | (price as of 2026-10-02) |
Showing latest 100 of 141 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Dec. 30, 2009 | CCOI | Option to purchase common stock [F1] | common stock | · | Sept. 8, 2014 | 76,930 | Disposed |
| Nov. 9, 2009 | CCOI | Option to purchase common stock [F1] | common stock | · | Sept. 8, 2014 | 200,000 | Disposed |
| July 29, 2009 | CCOI | Option to purchase common stock [F1] | common stock | · | Sept. 8, 2014 | 100,000 | Disposed |
| May 15, 2009 | CCOI | Option to purchase common stock [F1] | common stock | · | Sept. 8, 2014 | 100,000 | Disposed |
| March 9, 2009 | CCOI | Option to purchase common stock [F1] | common stock | · | Sept. 8, 2014 | 100,000 | Acquired |
| Feb. 15, 2005 | CCOI | Option to purchase common stock [F4] | common stock [F4] | $0.00 | Sept. 8, 2014 | 11,538,461 | Acquired |
| Feb. 15, 2005 | CCOI | Option to purchase Series H Convertible Preferred Stock [F4] | common stock [F3] | $0.00 | Sept. 8, 2014 | 15,000 | Disposed |
| Feb. 15, 2005 | CCOI | Series G Participating Convertible Preferred Stock [F3] | common stock [F3] | $0.00 | · | 200 | Disposed |
| Feb. 15, 2005 | CCOI | Series H Convertible Preferred Stock [F1] | common Stock [F1] | $0.00 | · | 37,801 | Disposed |
| Sept. 8, 2004 | CCOI | Options to purchase Series H Convertible Preferred Stock [F1] | Common Stock | $0.01 | Sept. 8, 2014 | 15,000 | Disposed |
| Oct. 10, 2003 | CCOI | Series H Convertible Preferred Stock | Common Stock | · | · | 37,801 | Acquired |
| Oct. 10, 2003 | CCOI | Option/right to buy [F1] | Common Stock | $2.00 | Dec. 1, 2011 | 478,700 | Disposed |
| Oct. 10, 2003 | CCOI | Series H Convertible Preferred Stock | Common Stock | · | · | 37,801 | Acquired |
| Oct. 10, 2003 | CCOI | Option/right to buy [F1] | Common Stock | $2.00 | Dec. 1, 2011 | 478,700 | Disposed |
| July 31, 2003 | CCOI | Series G Participating Convertible Preferred Stock | Common Stock | $0.00 | Aug. 8, 1988 | 200 | Acquired |
| July 31, 2003 | CCOI | Series C Participating Convertible Preferred Stock | Common Stock | $0.00 | Aug. 8, 1988 | 1,604,235 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).