John Rieley

CIK 1198451 · View on SEC EDGAR ↗

Insider

First SEC filing: Feb. 12, 2004 · Latest: Feb. 12, 2004

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 34 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

34 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 4, 2011 ZD S 11,549 $29.99 $346,355 50,553 Direct -18.60% Disposed 114.0% (price as of 2026-08-19)
Dec. 8, 2010 ZD S 31,892 $30.13 $960,906 43,737 Direct -42.17% Disposed 113.0% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 1,400 $24.52 $34,328 35,011 Direct -3.84% Disposed 161.7% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 900 $24.57 $22,113 36,411 Direct -2.41% Disposed 161.2% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 409 $24.61 $10,065 37,311 Direct -1.08% Disposed 160.8% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 600 $24.54 $14,724 37,720 Direct -1.57% Disposed 161.5% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 5,988 $24.60 $147,305 38,320 Direct -13.51% Disposed 160.9% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 2,168 $24.50 $53,116 44,308 Direct -4.66% Disposed 161.9% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 400 $24.59 $9,836 46,476 Direct -0.85% Disposed 161.0% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 300 $24.66 $7,398 46,876 Direct -0.64% Disposed 160.2% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 1,503 $24.54 $36,884 47,176 Direct -3.09% Disposed 161.5% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 700 $24.68 $17,276 48,679 Direct -1.42% Disposed 160.0% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 1,000 $24.59 $24,590 49,379 Direct -1.98% Disposed 161.0% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 500 $24.52 $12,260 50,379 Direct -0.98% Disposed 161.7% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 1,332 $24.53 $32,674 50,879 Direct -2.55% Disposed 161.6% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 1,580 $24.55 $38,789 52,211 Direct -2.94% Disposed 161.4% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 200 $24.55 $4,910 53,791 Direct -0.37% Disposed 161.4% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 2,720 $24.56 $66,803 53,991 Direct -4.80% Disposed 161.3% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 2,000 $24.56 $49,120 56,811 Direct -3.40% Disposed 161.3% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 400 $24.58 $9,832 58,811 Direct -0.68% Disposed 161.1% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 2,100 $24.58 $51,618 59,211 Direct -3.43% Disposed 161.1% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 1,000 $24.54 $24,540 61,311 Direct -1.60% Disposed 161.5% (price as of 2026-08-19)
Aug. 7, 2009 ZD S 200 $24.57 $4,914 62,311 Direct -0.32% Disposed 161.2% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 100 $24.55 $2,455 56,711 Direct -0.18% Disposed 161.4% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 10,200 $23.74 $242,148 47,806 Direct -17.58% Disposed 170.3% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 1,105 $23.90 $26,410 58,006 Direct -1.87% Disposed 168.5% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 1,200 $23.90 $28,680 59,111 Direct -1.99% Disposed 168.5% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 7,400 $23.90 $176,860 60,311 Direct -10.93% Disposed 168.5% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 3,796 $23.85 $90,535 67,711 Direct -5.31% Disposed 169.1% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 1,100 $23.75 $26,125 71,507 Direct -1.52% Disposed 170.2% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 2,000 $23.84 $47,680 72,607 Direct -2.68% Disposed 169.2% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 1,900 $23.97 $45,543 74,607 Direct -2.48% Disposed 167.7% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 200 $23.81 $4,762 76,507 Direct -0.26% Disposed 169.5% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 200 $23.91 $4,782 76,707 Direct -0.26% Disposed 168.4% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 300 $23.80 $7,140 76,907 Direct -0.39% Disposed 169.6% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 800 $23.87 $19,096 77,207 Direct -1.03% Disposed 168.9% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 100 $23.92 $2,392 78,007 Direct -0.13% Disposed 168.3% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 100 $24.50 $2,450 78,107 Direct -0.13% Disposed 161.9% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 100 $24.52 $2,452 78,207 Direct -0.13% Disposed 161.7% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 300 $23.92 $7,176 78,307 Direct -0.38% Disposed 168.3% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 300 $24.51 $7,353 78,607 Direct -0.38% Disposed 161.8% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 256 $24.51 $6,275 78,907 Direct -0.32% Disposed 161.8% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 1,100 $24.02 $26,422 79,163 Direct -1.37% Disposed 167.2% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 200 $24.00 $4,800 80,263 Direct -0.25% Disposed 167.4% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 1,000 $23.88 $23,880 80,463 Direct -1.23% Disposed 168.7% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 300 $23.93 $7,179 81,463 Direct -0.37% Disposed 168.2% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 1,571 $24.52 $38,521 81,763 Direct -1.89% Disposed 161.7% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 100 $23.98 $2,398 83,334 Direct -0.12% Disposed 167.6% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 229 $24.45 $5,599 83,434 Direct -0.27% Disposed 162.5% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 697 $23.89 $16,651 83,663 Direct -0.83% Disposed 168.6% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 200 $23.89 $4,778 84,360 Direct -0.24% Disposed 168.6% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 1,507 $23.86 $35,957 84,560 Direct -1.75% Disposed 169.0% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 800 $23.76 $19,008 35,011 Direct -2.23% Disposed 170.1% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 1,095 $23.77 $26,028 35,811 Direct -2.97% Disposed 170.0% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 1,600 $23.93 $38,288 36,906 Direct -4.16% Disposed 168.2% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 3,400 $23.78 $80,852 38,506 Direct -8.11% Disposed 169.9% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 5,800 $23.80 $138,040 41,906 Direct -12.16% Disposed 169.6% (price as of 2026-08-19)
Aug. 6, 2009 ZD S 100 $23.82 $2,382 47,706 Direct -0.21% Disposed 169.4% (price as of 2026-08-19)
March 13, 2007 ZD S 1,300 $27.38 $35,594 18,000 Direct -6.74% Disposed 134.4% (price as of 2026-08-19)
March 13, 2007 ZD S 700 $27.38 $19,166 19,300 Direct -3.50% Disposed 134.4% (price as of 2026-08-19)
March 13, 2007 ZD S 2,899 $27.73 $80,389 20,000 Direct -12.66% Disposed 131.4% (price as of 2026-08-19)
March 13, 2007 ZD S 300 $27.71 $8,313 22,899 Direct -1.29% Disposed 131.6% (price as of 2026-08-19)
March 13, 2007 ZD S 4,700 $27.70 $130,190 23,199 Direct -16.85% Disposed 131.7% (price as of 2026-08-19)
March 13, 2007 ZD S 500 $27.69 $13,845 27,899 Direct -1.76% Disposed 131.8% (price as of 2026-08-19)
March 13, 2007 ZD S 200 $27.69 $5,538 28,399 Direct -0.70% Disposed 131.8% (price as of 2026-08-19)
March 13, 2007 ZD S 117 $27.68 $3,239 28,599 Direct -0.41% Disposed 131.8% (price as of 2026-08-19)

Showing latest 100 of 192 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
Aug. 4, 2011 ZD Options to Purchase Common Stock Common Stock $0.01 Par Value (4,556) $20.91 May 5, 2018 4,556 Disposed
Aug. 4, 2011 ZD Options to Purchase Common Stock Common Stock $0.01 Par Value (3,336) $21.67 May 7, 2019 3,336 Disposed
Aug. 4, 2011 ZD Options to Purchase Common Stock Common Stock $0.01 Par Value (3,657) $22.92 May 6, 2020 3,657 Disposed
May 12, 2011 ZD Option to purchase Common Stock Common Stock, $0.01 par value (15,117) $29.34 May 12, 2021 15,117 Acquired
Dec. 8, 2010 ZD Option to Purchase Common Stock Common Stock, $0.01 par value (3,336) $21.67 May 7, 2019 3,336 Disposed
Dec. 8, 2010 ZD Option to Purchase Common Stock Common Stock, $0.01 par value (24,000) $18.76 Aug. 31, 2015 24,000 Disposed
Dec. 8, 2010 ZD Option to Purchase Common Stock Common Stock, $0.01 par value (4,556) $20.91 May 5, 2018 4,556 Disposed
May 6, 2010 ZD Option to purchase Common Stock Common Stock, $0.01 par value (18,281) $22.92 May 6, 2020 18,281 Acquired
Aug. 7, 2009 ZD Option to Purchase Common Stock Common Stock, $0.01 par value (4,556) $20.91 May 5, 2018 4,556 Disposed
Aug. 7, 2009 ZD Option to Purchase Common Stock Common Stock, $0.01 par value (22,944) $18.76 Aug. 31, 2015 22,944 Disposed
Aug. 6, 2009 ZD Option to Purchase Common Stock Common Stock, $0.01 par value (1,056) $18.76 Aug. 31, 2015 1,056 Disposed
Aug. 6, 2009 ZD Option to Purchase Common Stock Common Stock, $0.01 par value (50,000) $9.54 March 24, 2014 50,000 Disposed
May 7, 2009 ZD Option to purchase Common Stock Common Stock, $0.01 par value (16,680) $21.67 May 7, 2019 16,680 Acquired
May 5, 2008 ZD Option to purchase Common Stock Common Stock, $0.01 par value (22,779) $20.91 May 5, 2018 22,779 Acquired
Aug. 3, 2007 ZD Option to purchase Common Stock Common Stock, $0.01 par value (9,000) $32.45 Aug. 3, 2017 9,000 Acquired
March 13, 2007 ZD Option to purchase Common Stock Common Stock, $0.01 par value (12,500) $4.47 June 25, 2012 12,500 Disposed
March 13, 2007 ZD Option to purchase Common Stock Common Stock, $0.01 par value (12,500) $1.17 Dec. 28, 2011 12,500 Disposed
March 13, 2007 ZD Option to purchase Common Stock Common Stock, $0.01 par value (12,000) $18.76 Aug. 31, 2015 12,000 Disposed
March 13, 2007 ZD Option to purchase Common Stock Common Stock, $0.01 par value (25,000) $9.54 March 24, 2014 25,000 Disposed
Dec. 22, 2006 ZD Option to purchase Common Stock [F2] Common Stock (12,500) $4.47 June 25, 2012 12,500 Acquired
Dec. 22, 2006 ZD Option to purchase Common Stock [F2] Common Stock (12,500) $3.52 June 25, 2012 12,500 Disposed
Dec. 22, 2006 ZD Option to purchase Common Stock [F2] Common Stock (12,500) $1.17 Dec. 28, 2011 12,500 Acquired
Dec. 22, 2006 ZD Option to purchase Common Stock [F2] Common Stock (12,500) $0.94 Dec. 28, 2011 12,500 Disposed
Dec. 22, 2006 ZD Option to purchase Common Stock Common Stock (12,500) $4.47 June 25, 2012 12,500 Acquired
Dec. 22, 2006 ZD Option to purchase Common Stock Common Stock (12,500) $3.52 June 25, 2012 12,500 Disposed
Dec. 22, 2006 ZD Option to purchase Common Stock Common Stock (12,500) $1.17 Dec. 28, 2011 12,500 Acquired
Dec. 22, 2006 ZD Option to purchase Common Stock Common Stock (12,500) $0.94 Dec. 28, 2011 12,500 Disposed
Dec. 22, 2006 ZD Option to purchase Common Stock Common Stock (10,000) $1.03 Dec. 28, 2011 10,000 Acquired
Dec. 22, 2006 ZD Option to purchase Common Stock Common Stock (10,000) $0.94 Dec. 28, 2011 10,000 Disposed
Aug. 31, 2005 ZD Options to purchase Common Stock [F3] Common Stock, $0.01 par value (6,000) $37.53 Aug. 31, 2015 6,000 Acquired
Aug. 31, 2005 ZD Options to purchase Common Stock [F3] Common Stock, $0.01 par value (6,000) $37.53 Aug. 31, 2015 6,000 Acquired
Aug. 31, 2005 ZD Options to purchase Common Stock [F3] Common Stock, $0.01 par value (6,000) $37.53 Aug. 31, 2015 6,000 Acquired
Aug. 31, 2005 ZD Options to purchase Common Stock [F3] Common Stock, $0.01 par value (6,000) $37.53 Aug. 31, 2015 6,000 Acquired
Aug. 31, 2005 ZD Options to purchase Common Stock [F3] Common Stock, $0.01 par value (6,000) $37.53 Aug. 31, 2015 6,000 Acquired
July 28, 2005 ZD Options to Purchase Common Stock Common Stock, $0.01 par value (6,250) $7.05 June 25, 2012 6,250 Disposed
May 18, 2005 ZD Options to purchase Common Stock Common Stock, $0.01 par value (12,500) $19.09 March 24, 2014 12,500 Disposed
May 18, 2005 ZD Options to purchase Common Stock Common Stock, $0.01 par value (6,250) $1.88 Dec. 28, 2011 6,250 Disposed
May 18, 2005 ZD Options to purchase Common Stock Common Stock, $0.01 par value (5,000) $1.88 Dec. 28, 2011 5,000 Disposed
July 20, 2004 ZD Option to purchase Common Stock Common Stock, $0.01 par value (6,250) $7.05 June 25, 2012 6,250 Disposed
July 20, 2004 ZD Option to purchase Common Stock Common Stock, $0.01 par value (6,250) $1.88 Dec. 28, 2011 6,250 Disposed
July 20, 2004 ZD Option to purchase Common Stock Common Stock, $0.01 par value (5,000) $1.88 March 28, 2011 5,000 Disposed
July 20, 2004 ZD Option to purchase Common Stock Common Stock, $0.01 par value (6,250) $3.44 July 12, 2010 6,250 Disposed
March 24, 2004 ZD Option to purchase Common Stock Common Stock, $0.01 par value (12,500) $19.09 March 24, 2014 12,500 Acquired
March 24, 2004 ZD Option to purchase Common Stock Common Stock, $0.01 par value (12,500) $19.09 March 24, 2014 12,500 Acquired
March 24, 2004 ZD Option to purchase Common Stock Common Stock, $0.01 par value (12,500) $19.09 March 24, 2014 12,500 Acquired
March 24, 2004 ZD Option to purchase Common Stock Common Stock, $0.01 par value (12,500) $19.09 March 24, 2014 12,500 Acquired
July 31, 2003 ZD Stock Options Common Stock (3,125) $14.10 June 25, 2012 3,125 Disposed
July 31, 2003 ZD Stock Options Common Stock (3,125) $3.75 Dec. 28, 2011 3,125 Disposed
July 31, 2003 ZD Stock Options Common Stock (2,500) $3.75 March 28, 2011 2,500 Disposed
July 31, 2003 ZD Stock Options Common Stock (2,500) $3.75 Dec. 28, 2011 2,500 Disposed
July 31, 2003 ZD Stock Options Common Stock (3,125) $6.88 July 12, 2010 3,125 Disposed
July 31, 2003 ZD Stock Options Common Stock (6,250) $6.88 July 12, 2010 6,250 Disposed

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