Mark A Schleifer

CIK 1166940 · View on SEC EDGAR ↗

Insider

First SEC filing: July 1, 2009 · Latest: July 1, 2009

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 51 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

51 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Dec. 2, 2011 CCOI S 3,125 $16.58 $51,812 0 Direct -100.00% Disposed -39.4% (price as of 2026-08-20)
Oct. 17, 2011 CCOI S 10b5-1 3,000 $14.90 $44,700 33,650 Direct -8.19% Disposed -32.6% (price as of 2026-08-20)
Oct. 3, 2011 CCOI S 10b5-1 1,250 $13.27 $16,588 36,650 Direct -3.30% Disposed -24.3% (price as of 2026-08-20)
July 15, 2011 CCOI S 10b5-1 3,000 $16.69 $50,070 37,900 Direct -7.33% Disposed -39.8% (price as of 2026-08-20)
July 1, 2011 CCOI S 10b5-1 1,250 $16.83 $21,038 40,900 Direct -2.97% Disposed -40.3% (price as of 2026-08-20)
April 15, 2011 CCOI S 10b5-1 17,040 $12.92 $220,157 42,150 Direct -28.79% Disposed -22.3% (price as of 2026-08-20)
April 1, 2011 CCOI S 1,250 $14.32 $17,900 61,350 Direct -2.00% Disposed -29.9% (price as of 2026-08-20)
Jan. 4, 2011 CCOI S 1,250 $14.24 $17,800 62,600 Direct -1.96% Disposed -29.5% (price as of 2026-08-20)
Oct. 13, 2010 CCOI S 1,250 $10.00 $12,500 63,850 Direct -1.92% Disposed 0.4% (price as of 2026-08-20)
Oct. 11, 2010 CCOI S 1,250 $10.00 $12,500 65,100 Direct -1.88% Disposed 0.4% (price as of 2026-08-20)
April 1, 2010 CCOI S 10b5-1 1,250 $10.43 $13,038 8,750 Direct -12.50% Disposed -3.7% (price as of 2026-08-20)
March 3, 2010 CCOI S 10b5-1 1,250 $10.52 $13,150 10,000 Direct -11.11% Disposed -4.6% (price as of 2026-08-20)
Oct. 9, 2009 CCOI S 10b5-1 10,000 $12.46 $124,600 11,250 Direct -47.06% Disposed -19.4% (price as of 2026-08-20)
July 1, 2009 CCOI S 10b5-1 1,250 $8.22 $10,275 22,500 Direct -5.26% Disposed 22.1% (price as of 2026-08-20)
April 30, 2009 CCOI S 10b5-1 20,000 $8.63 $172,600 23,750 Direct -45.71% Disposed 16.3% (price as of 2026-08-20)
April 2, 2009 CCOI S 10b5-1 1,250 $8.20 $10,250 43,750 Direct -2.78% Disposed 22.4% (price as of 2026-08-20)
Jan. 2, 2009 CCOI S 10b5-1 5,000 $6.48 $32,400 45,000 Direct -10.00% Disposed 54.9% (price as of 2026-08-20)
June 20, 2008 CCOI S 10b5-1 599 $14.89 $8,919 50,000 Direct -1.18% Disposed -32.6% (price as of 2026-08-20)
June 6, 2008 CCOI S 1,250 $14.64 $18,300 50,000 Direct -2.44% Disposed -31.4% (price as of 2026-08-20)
March 20, 2008 CCOI S 10b5-1 600 $18.64 $11,184 50,000 Direct -1.19% Disposed -46.1% (price as of 2026-08-20)
Dec. 20, 2007 CCOI S 10b5-1 600 $22.80 $13,680 30,000 Direct -1.96% Disposed -56.0% (price as of 2026-08-20)
Dec. 13, 2007 CCOI S 216 $21.95 $4,741 30,000 Direct -0.71% Disposed -54.3% (price as of 2026-08-20)
Dec. 13, 2007 CCOI S 625 $21.97 $13,731 30,216 Direct -2.03% Disposed -54.3% (price as of 2026-08-20)
Sept. 20, 2007 CCOI S 10b5-1 600 $25.24 $15,144 30,000 Direct -1.96% Disposed -60.2% (price as of 2026-08-20)
Aug. 20, 2007 CCOI S 625 $24.78 $15,488 30,000 Direct -2.04% Disposed -59.5% (price as of 2026-08-20)
June 21, 2007 CCOI S 10b5-1 600 $29.29 $17,574 30,000 Direct -1.96% Disposed -65.7% (price as of 2026-08-20)
June 8, 2007 CCOI S 625 $25.77 $16,106 30,000 Direct -2.04% Disposed -61.0% (price as of 2026-08-20)
March 20, 2007 CCOI S 10b5-1 3,750 $23.80 $89,250 10,000 Direct -27.27% Disposed -57.8% (price as of 2026-08-20)
March 20, 2007 CCOI S 10b5-1 600 $23.28 $13,968 13,750 Direct -4.18% Disposed -56.9% (price as of 2026-08-20)
Dec. 20, 2006 CCOI S 10b5-1 600 $15.55 $9,330 10,000 Direct -5.66% Disposed -35.4% (price as of 2026-08-20)
Sept. 26, 2006 CCOI S 10b5-1 600 $10.57 $6,342 0 Direct -100.00% Disposed -5.0% (price as of 2026-08-20)
Sept. 25, 2006 CCOI S 10b5-1 1,691 $10.57 $17,874 600 Direct -73.81% Disposed -5.0% (price as of 2026-08-20)
June 20, 2006 CCOI S 10b5-1 500 $8.30 $4,150 1,680 Direct -22.94% Disposed 21.0% (price as of 2026-08-20)
June 20, 2006 CCOI S 10b5-1 1,500 $8.30 $12,450 2,180 Direct -40.76% Disposed 21.0% (price as of 2026-08-20)
March 20, 2006 CCOI S 10b5-1 5,400 $9.11 $49,194 3,080 Direct -63.68% Disposed 10.2% (price as of 2026-08-20)
Dec. 8, 2005 CCOI S 9,746 $5.88 $57,306 4,481 Direct -68.50% Disposed 70.7% (price as of 2026-08-20)
Dec. 7, 2005 CCOI S 9,735 $5.77 $56,171 14,227 Direct -40.63% Disposed 74.0% (price as of 2026-08-20)

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. 2, 2011 CCOI Options to purchase common stock common stock (3,125) $4.88 Oct. 26, 2016 3,125 Disposed
June 20, 2008 CCOI Option to purchase common stock common stock (599) $0.00 Sept. 8, 2014 599 Disposed
June 6, 2008 CCOI Option to purchase common stock common stock (1,250) $4.88 Oct. 26, 2015 1,250 Disposed
March 20, 2008 CCOI Option to purchase common stock common stock (600) $0.00 Sept. 8, 2014 600 Disposed
Dec. 20, 2007 CCOI Option to purchase common stock common stock (600) $0.00 Sept. 8, 2014 600 Disposed
Dec. 13, 2007 CCOI Option to purchase common stock common stock (625) $4.88 Oct. 26, 2015 625 Disposed
Dec. 13, 2007 CCOI Option to purchase common stock common stock (216) $0.00 Sept. 8, 2014 216 Disposed
Sept. 20, 2007 CCOI Option to purchase common stock common stock (600) $0.00 Sept. 8, 2014 600 Disposed
Aug. 20, 2007 CCOI Option to purchase common stock common stock (625) $4.88 Oct. 26, 2015 625 Disposed
June 21, 2007 CCOI Option to purchase common stock common stock (600) $0.00 Sept. 8, 2014 600 Disposed
June 8, 2007 CCOI Option to purchase common stock common stock (625) $4.88 Oct. 26, 2015 625 Disposed
March 20, 2007 CCOI Option to purchase common stock common stock (3,750) $4.88 Oct. 26, 2015 3,750 Disposed
March 20, 2007 CCOI Option to purchase common stock common stock (600) $0.00 Sept. 8, 2014 600 Disposed
Dec. 20, 2006 CCOI Option to purchase common stock common stock (600) $0.00 Sept. 8, 2014 600 Disposed
Sept. 25, 2006 CCOI Option to purchase common stock common stock (600) — Sept. 8, 2014 600 Disposed
June 20, 2006 CCOI Option to purchase common stock common stock (600) — Sept. 8, 2014 600 Disposed
March 20, 2006 CCOI Option to purchase common stock common stock (4,000) — Sept. 8, 2014 4,000 Disposed
Oct. 26, 2005 CCOI Option to purchase common stock common stock (10,000) — Oct. 26, 2015 10,000 Acquired
Feb. 15, 2005 CCOI Option to purchase common stock [F2] common stock [F2] (192,307) $0.00 Sept. 8, 2014 192,307 Acquired
Feb. 15, 2005 CCOI Option to purchase Series H Convertible Preferred Stock [F2] common stock [F2] (192,307) $0.01 Sept. 8, 2014 250 Disposed
Feb. 15, 2005 CCOI Series H Convertible Preferred Stock [F1] common stock [F1] (479,230) $0.00 — 632 Disposed
Sept. 8, 2004 CCOI Options to purchase Series H Convertible Preferred Stock [F1] Common Stock (192,307) $0.01 Sept. 8, 2014 250 Acquired
Oct. 10, 2003 CCOI Series H Convertible Preferred Stock Common Stock (479,230) — — 623 Acquired
Oct. 10, 2003 CCOI Option/right to buy [F1] Common Stock (949) $2.00 Dec. 1, 2011 949 Disposed
Oct. 10, 2003 CCOI Option/right to buy [F1] Common Stock (2,847) $2.00 Dec. 1, 2011 2,847 Disposed
Oct. 10, 2003 CCOI Option/right to buy [F1] Common Stock (17,500) $15.00 Oct. 3, 2010 17,500 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

CCOI

President, IP Engineering
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2000 — — — — — — — —

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.