Michael Schulhof
Insider
First SEC filing: Feb. 18, 2004 · Latest: Feb. 18, 2004
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 7, 2014 | ZD | A | 4,032 | · | · | 28,887 Direct | +16.22% | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2014 | ZD | M | 3,024 | · | · | 9,069 Direct | -25.01% | Disposed | (price as of 2026-10-02) |
| Feb. 14, 2014 | ZD | S | 3,024 | $50.02 | $151,260 | 24,855 Direct | -10.85% | Disposed | 26.9% (price as of 2026-10-02) |
| Feb. 14, 2014 | ZD | M | 3,024 | $29.34 | $88,724 | 27,879 Direct | +12.17% | Acquired | 116.4% (price as of 2026-10-02) |
| May 14, 2013 | ZD | S | 1,021 | $39.99 | $40,830 | 24,855 Direct | -3.95% | Disposed | 58.7% (price as of 2026-10-02) |
| May 14, 2013 | ZD | S | 1,021 | $39.99 | $40,830 | 1,284 Direct | -44.30% | Disposed | 58.7% (price as of 2026-10-02) |
| May 10, 2013 | ZD | M | 3,024 | · | · | 12,093 Direct | -20.00% | Disposed | (price as of 2026-10-02) |
| May 10, 2013 | ZD | M | 3,656 | · | · | 7,312 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| May 10, 2013 | ZD | M | 3,336 | · | · | 3,336 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| May 10, 2013 | ZD | M | 4,555 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 10, 2013 | ZD | M | 9,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 10, 2013 | ZD | S | 4,029 | $39.89 | $160,717 | 25,876 Direct | -13.47% | Disposed | 59.1% (price as of 2026-10-02) |
| May 10, 2013 | ZD | S | 19,542 | $39.63 | $774,449 | 29,905 Direct | -39.52% | Disposed | 60.2% (price as of 2026-10-02) |
| May 10, 2013 | ZD | M | 3,024 | $29.34 | $88,724 | 49,447 Direct | +6.51% | Acquired | 116.4% (price as of 2026-10-02) |
| May 10, 2013 | ZD | M | 3,656 | $22.92 | $83,796 | 46,423 Direct | +8.55% | Acquired | 177.0% (price as of 2026-10-02) |
| May 10, 2013 | ZD | M | 3,336 | $21.67 | $72,291 | 42,767 Direct | +8.46% | Acquired | 192.9% (price as of 2026-10-02) |
| May 10, 2013 | ZD | M | 4,555 | $20.91 | $95,245 | 39,431 Direct | +13.06% | Acquired | 203.6% (price as of 2026-10-02) |
| May 10, 2013 | ZD | M | 9,000 | $32.45 | $292,050 | 34,876 Direct | +34.78% | Acquired | 95.6% (price as of 2026-10-02) |
| May 10, 2013 | ZD | S | 4,029 | $39.89 | $160,717 | 2,305 Direct | -63.61% | Disposed | 59.1% (price as of 2026-10-02) |
| May 10, 2013 | ZD | S | 19,542 | $39.63 | $774,449 | 6,334 Direct | -75.52% | Disposed | 60.2% (price as of 2026-10-02) |
| May 9, 2013 | ZD | S | 12,663 | $38.48 | $487,272 | 25,876 Direct | -32.86% | Disposed | 65.0% (price as of 2026-10-02) |
| May 7, 2013 | ZD | A | 4,306 | · | · | 38,539 Direct | +12.58% | Acquired | (price as of 2026-10-02) |
| Aug. 3, 2012 | ZD | S | 900 | $29.70 | $26,730 | 34,233 Direct | -2.56% | Disposed | 113.7% (price as of 2026-10-02) |
| Aug. 2, 2012 | ZD | M | 3,336 | · | · | 6,672 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Aug. 2, 2012 | ZD | M | 3,656 | · | · | 10,968 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| Aug. 2, 2012 | ZD | M | 4,556 | · | · | 4,555 Direct | -50.01% | Disposed | (price as of 2026-10-02) |
| Aug. 2, 2012 | ZD | S | 16,580 | $29.42 | $487,784 | 35,133 Direct | -32.06% | Disposed | 115.8% (price as of 2026-10-02) |
| Aug. 2, 2012 | ZD | M | 3,336 | $21.67 | $72,291 | 51,713 Direct | +6.90% | Acquired | 192.9% (price as of 2026-10-02) |
| Aug. 2, 2012 | ZD | M | 3,656 | $22.92 | $83,796 | 48,377 Direct | +8.18% | Acquired | 177.0% (price as of 2026-10-02) |
| Aug. 2, 2012 | ZD | M | 4,556 | $20.91 | $95,266 | 44,721 Direct | +11.34% | Acquired | 203.6% (price as of 2026-10-02) |
| May 10, 2012 | ZD | A | 7,174 | · | · | 40,165 Direct | +21.75% | Acquired | (price as of 2026-10-02) |
| Feb. 16, 2012 | ZD | M | 3,336 | · | · | 10,008 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| Feb. 16, 2012 | ZD | M | 3,657 | · | · | 14,624 Direct | -20.00% | Disposed | (price as of 2026-10-02) |
| Feb. 16, 2012 | ZD | M | 4,556 | · | · | 9,111 Direct | -33.34% | Disposed | (price as of 2026-10-02) |
| Feb. 16, 2012 | ZD | S | 11,549 | $30.20 | $348,780 | 32,991 Direct | -25.93% | Disposed | 110.2% (price as of 2026-10-02) |
| Feb. 16, 2012 | ZD | M | 3,336 | $21.67 | $72,291 | 44,540 Direct | +8.10% | Acquired | 192.9% (price as of 2026-10-02) |
| Feb. 16, 2012 | ZD | M | 3,657 | $22.92 | $83,818 | 41,204 Direct | +9.74% | Acquired | 177.0% (price as of 2026-10-02) |
| Feb. 16, 2012 | ZD | M | 4,556 | $20.91 | $95,266 | 37,547 Direct | +13.81% | Acquired | 203.6% (price as of 2026-10-02) |
| Nov. 3, 2011 | ZD | S | 5,000 | $29.98 | $149,900 | 32,991 Direct | -13.16% | Disposed | 111.7% (price as of 2026-10-02) |
| Aug. 5, 2011 | ZD | S | 3,962 | $30.20 | $119,652 | 37,991 Direct | -9.44% | Disposed | 110.2% (price as of 2026-10-02) |
| May 12, 2011 | ZD | A | 15,117 | · | · | 69,409 Direct | +27.84% | Acquired | (price as of 2026-10-02) |
| May 12, 2011 | ZD | A | 6,816 | · | · | 41,953 Direct | +19.40% | Acquired | (price as of 2026-10-02) |
| Dec. 7, 2010 | ZD | M | 3,336 | · | · | 54,292 Direct | -5.79% | Disposed | (price as of 2026-10-02) |
| Dec. 7, 2010 | ZD | M | 24,000 | · | · | 57,628 Direct | -29.40% | Disposed | (price as of 2026-10-02) |
| Dec. 7, 2010 | ZD | M | 4,556 | · | · | 81,628 Direct | -5.29% | Disposed | (price as of 2026-10-02) |
| Dec. 7, 2010 | ZD | S | 31,892 | $30.77 | $981,317 | 35,137 Direct | -47.58% | Disposed | 106.3% (price as of 2026-10-02) |
| Dec. 7, 2010 | ZD | M | 3,336 | $21.67 | $72,291 | 67,029 Direct | +5.24% | Acquired | 192.9% (price as of 2026-10-02) |
| Dec. 7, 2010 | ZD | M | 24,000 | $18.76 | $450,240 | 63,693 Direct | +60.46% | Acquired | 238.4% (price as of 2026-10-02) |
| Dec. 7, 2010 | ZD | M | 4,556 | $20.91 | $95,266 | 39,693 Direct | +12.97% | Acquired | 203.6% (price as of 2026-10-02) |
| May 6, 2010 | ZD | A | 18,281 | · | · | 86,184 Direct | +26.92% | Acquired | (price as of 2026-10-02) |
| May 6, 2010 | ZD | A | 8,726 | · | · | 35,137 Direct | +33.04% | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 100 | $21.35 | $2,135 | 31,111 Direct | -0.32% | Disposed | 197.3% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 200 | $21.39 | $4,278 | 30,311 Direct | -0.66% | Disposed | 196.8% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 200 | $21.42 | $4,284 | 30,111 Direct | -0.66% | Disposed | 196.4% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 300 | $21.43 | $6,429 | 29,811 Direct | -1.00% | Disposed | 196.2% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 300 | $21.44 | $6,432 | 29,511 Direct | -1.01% | Disposed | 196.1% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 400 | $21.80 | $8,720 | 26,411 Direct | -1.49% | Disposed | 191.2% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 100 | $21.78 | $2,178 | 26,811 Direct | -0.37% | Disposed | 191.5% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 100 | $21.71 | $2,171 | 26,911 Direct | -0.37% | Disposed | 192.4% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 100 | $21.66 | $2,166 | 27,011 Direct | -0.37% | Disposed | 193.1% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 200 | $21.62 | $4,324 | 27,111 Direct | -0.73% | Disposed | 193.6% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 100 | $21.60 | $2,160 | 27,311 Direct | -0.36% | Disposed | 193.9% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 100 | $21.56 | $2,156 | 27,411 Direct | -0.36% | Disposed | 194.4% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 600 | $21.55 | $12,930 | 27,511 Direct | -2.13% | Disposed | 194.6% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 100 | $21.54 | $2,154 | 28,111 Direct | -0.35% | Disposed | 194.7% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 200 | $21.53 | $4,306 | 28,211 Direct | -0.70% | Disposed | 194.8% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 200 | $21.50 | $4,300 | 28,411 Direct | -0.70% | Disposed | 195.3% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 300 | $21.49 | $6,447 | 28,611 Direct | -1.04% | Disposed | 195.4% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 100 | $21.47 | $2,147 | 28,911 Direct | -0.34% | Disposed | 195.7% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 100 | $21.46 | $2,146 | 29,011 Direct | -0.34% | Disposed | 195.8% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 300 | $21.45 | $6,435 | 29,111 Direct | -1.02% | Disposed | 195.9% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 100 | $21.44 | $2,144 | 29,411 Direct | -0.34% | Disposed | 196.1% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 300 | $21.37 | $6,411 | 30,511 Direct | -0.97% | Disposed | 197.1% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 300 | $21.36 | $6,408 | 30,811 Direct | -0.96% | Disposed | 197.2% (price as of 2026-10-02) |
| Aug. 31, 2009 | ZD | S | 200 | $21.32 | $4,264 | 31,211 Direct | -0.64% | Disposed | 197.7% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 200 | $23.71 | $4,742 | 65,522 Direct | -0.30% | Disposed | 167.7% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 1,900 | $23.72 | $45,068 | 63,622 Direct | -2.90% | Disposed | 167.6% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 2,055 | $23.73 | $48,765 | 61,567 Direct | -3.23% | Disposed | 167.5% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | M | 12,000 | · | · | 67,903 Direct | -15.02% | Disposed | (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | M | 25,000 | · | · | 79,903 Direct | -23.83% | Disposed | (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | M | 4,556 | · | · | 104,903 Direct | -4.16% | Disposed | (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 200 | $24.17 | $4,834 | 51,725 Direct | -0.39% | Disposed | 162.6% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 100 | $24.11 | $2,411 | 51,925 Direct | -0.19% | Disposed | 163.3% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 2,742 | $24.10 | $66,082 | 52,025 Direct | -5.01% | Disposed | 163.4% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 1,600 | $24.09 | $38,544 | 54,767 Direct | -2.84% | Disposed | 163.5% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 1,482 | $24.05 | $35,642 | 56,367 Direct | -2.56% | Disposed | 164.0% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 200 | $24.04 | $4,808 | 57,849 Direct | -0.34% | Disposed | 164.1% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 1,800 | $23.98 | $43,164 | 58,049 Direct | -3.01% | Disposed | 164.7% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 200 | $23.97 | $4,794 | 59,849 Direct | -0.33% | Disposed | 164.8% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 300 | $23.95 | $7,185 | 60,049 Direct | -0.50% | Disposed | 165.1% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 18 | $23.94 | $431 | 60,349 Direct | -0.03% | Disposed | 165.2% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 100 | $23.79 | $2,379 | 60,367 Direct | -0.17% | Disposed | 166.8% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 500 | $23.75 | $11,875 | 60,467 Direct | -0.82% | Disposed | 167.3% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 600 | $23.74 | $14,244 | 60,967 Direct | -0.97% | Disposed | 167.4% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 200 | $23.70 | $4,740 | 65,722 Direct | -0.30% | Disposed | 167.8% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 145 | $23.69 | $3,435 | 65,922 Direct | -0.22% | Disposed | 168.0% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 400 | $23.66 | $9,464 | 66,067 Direct | -0.60% | Disposed | 168.3% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 100 | $23.65 | $2,365 | 66,467 Direct | -0.15% | Disposed | 168.4% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 200 | $23.64 | $4,728 | 66,567 Direct | -0.30% | Disposed | 168.5% (price as of 2026-10-02) |
| Aug. 6, 2009 | ZD | S | 100 | $23.63 | $2,363 | 66,767 Direct | -0.15% | Disposed | 168.6% (price as of 2026-10-02) |
Showing latest 100 of 262 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 |
|---|---|---|---|---|---|---|---|
| Feb. 14, 2014 | ZD | Options to Purchase Common Stock | Common Stock $0.01 Par Value | $29.34 | May 12, 2021 | 3,024 | Disposed |
| May 10, 2013 | ZD | Options to Purchase Common Stock | Common Stock $0.01 Par Value | $29.34 | May 12, 2021 | 3,024 | Disposed |
| May 10, 2013 | ZD | Options to Purchase Common Stock | Common Stock $0.01 Par Value | $22.92 | May 6, 2020 | 3,656 | Disposed |
| May 10, 2013 | ZD | Options to Purchase Common Stock | Common Stock $0.01 Par Value | $21.67 | May 7, 2019 | 3,336 | Disposed |
| May 10, 2013 | ZD | Options to Purchase Common Stock | Common Stock $0.01 Par Value | $20.91 | May 5, 2018 | 4,555 | Disposed |
| May 10, 2013 | ZD | Options to Purchase Common Stock | Common Stock $0.01 Par Value | $32.45 | Aug. 3, 2017 | 9,000 | Disposed |
| Aug. 2, 2012 | ZD | Options to Purchase Common Stock | Common Stock $0.01 Par Value | $21.67 | May 7, 2019 | 3,336 | Disposed |
| Aug. 2, 2012 | ZD | Options to Purchase Common Stock | Common Stock $0.01 Par Value | $22.92 | May 6, 2020 | 3,656 | Disposed |
| Aug. 2, 2012 | ZD | Options to Purchase Common Stock | Common Stock $0.01 Par Value | $20.91 | May 5, 2018 | 4,556 | Disposed |
| Feb. 16, 2012 | ZD | Options to Purchase Common Stock | Common Stock $0.01 Par Value | $21.67 | May 7, 2019 | 3,336 | Disposed |
| Feb. 16, 2012 | ZD | Options to Purchase Common Stock | Common Stock $0.01 Par Value | $22.92 | May 6, 2020 | 3,657 | Disposed |
| Feb. 16, 2012 | ZD | Options to Purchase Common Stock | Common Stock $0.01 Par Value | $20.91 | May 5, 2018 | 4,556 | Disposed |
| May 12, 2011 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $29.34 | May 12, 2021 | 15,117 | Acquired |
| Dec. 7, 2010 | ZD | Option to Purchase Common Stock | Common Stock, $0.01 par value | $21.67 | May 7, 2019 | 3,336 | Disposed |
| Dec. 7, 2010 | ZD | Option to Purchase Common Stock | Common Stock, $0.01 par value | $18.76 | Aug. 31, 2015 | 24,000 | Disposed |
| Dec. 7, 2010 | ZD | Option to Purchase Common Stock | Common Stock, $0.01 par value | $20.91 | May 5, 2018 | 4,556 | Disposed |
| May 6, 2010 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $22.92 | May 6, 2020 | 18,281 | Acquired |
| Aug. 6, 2009 | ZD | Option to Purchase Common Stock | Common Stock, $0.01 par value | $18.76 | Aug. 31, 2015 | 12,000 | Disposed |
| Aug. 6, 2009 | ZD | Option to Purchase Common Stock | Common Stock, $0.01 par value | $9.54 | March 24, 2014 | 25,000 | Disposed |
| Aug. 6, 2009 | ZD | Option to Purchase Common Stock | Common Stock, $0.01 par value | $20.91 | May 5, 2018 | 4,556 | Disposed |
| May 7, 2009 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $21.67 | May 7, 2019 | 16,680 | Acquired |
| May 5, 2008 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $20.91 | May 5, 2018 | 22,779 | Acquired |
| Nov. 21, 2007 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $18.76 | Aug. 31, 2015 | 24,000 | Acquired |
| Nov. 21, 2007 | ZD | Options to purchase Common Stock | Common Stock, $0.01 par value | $9.54 | March 24, 2014 | 25,000 | Acquired |
| Aug. 3, 2007 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $32.45 | Aug. 3, 2017 | 9,000 | Acquired |
| March 14, 2007 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $4.47 | June 25, 2012 | 25,000 | Disposed |
| March 14, 2007 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $9.54 | March 24, 2014 | 50,000 | Disposed |
| March 14, 2007 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $3.52 | June 25, 2012 | 25,000 | Disposed |
| March 13, 2007 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $1.17 | Dec. 28, 2011 | 12,500 | Disposed |
| March 13, 2007 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $1.03 | Dec. 28, 2011 | 10,000 | Disposed |
| March 13, 2007 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $0.94 | Dec. 28, 2011 | 25,000 | Disposed |
| March 13, 2007 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $0.94 | Dec. 28, 2011 | 20,000 | Disposed |
| March 13, 2007 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $1.72 | July 12, 2010 | 25,000 | Disposed |
| Dec. 22, 2006 | ZD | Option to purchase Common Stock | Common Stock | $4.47 | June 25, 2012 | 12,500 | Acquired |
| Dec. 22, 2006 | ZD | Option to purchase Common Stock | Common Stock | $3.52 | June 25, 2012 | 12,500 | Disposed |
| Dec. 22, 2006 | ZD | Option to purchase Common Stock | Common Stock | $4.47 | June 25, 2012 | 12,500 | Acquired |
| Dec. 22, 2006 | ZD | Option to purchase Common Stock | Common Stock | $3.52 | June 25, 2012 | 12,500 | Disposed |
| Dec. 22, 2006 | ZD | Option to purchase Common Stock | Common Stock | $1.17 | Dec. 28, 2011 | 12,500 | Acquired |
| Dec. 22, 2006 | ZD | Option to purchase Common Stock | Common Stock | $0.94 | Dec. 28, 2011 | 12,500 | Disposed |
| Dec. 22, 2006 | ZD | Option to purchase Common Stock | Common Stock | $1.03 | Dec. 28, 2011 | 10,000 | Acquired |
| Dec. 22, 2006 | ZD | Option to purchase Common Stock | Common Stock | $0.94 | Dec. 28, 2011 | 10,000 | Disposed |
| Aug. 31, 2005 | ZD | Options to Purchase Common Stock [F3] | Common Stock, $0.01 par value | $37.53 | Aug. 31, 2015 | 6,000 | Acquired |
| Aug. 31, 2005 | ZD | Options to purchase Common Stock [F3] | Common Stock, $0.01 par value | $37.53 | Aug. 31, 2015 | 6,000 | Acquired |
| Aug. 31, 2005 | ZD | Options to purchase Common Stock [F3] | Common Stock, $0.01 par value | $37.53 | Aug. 31, 2015 | 6,000 | Acquired |
| Aug. 31, 2005 | ZD | Options to purchase Common Stock [F3] | Common Stock,$0.01 par value | $37.53 | Aug. 31, 2015 | 6,000 | Acquired |
| Aug. 31, 2005 | ZD | Options to purchase Common Stock [F3] | Common Stock, $0.01 par value | $37.53 | Aug. 31, 2015 | 6,000 | Acquired |
| March 24, 2004 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $19.09 | March 24, 2014 | 12,500 | Acquired |
| March 24, 2004 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $19.09 | March 24, 2014 | 12,500 | Acquired |
| March 24, 2004 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $19.09 | March 24, 2014 | 12,500 | Acquired |
| March 24, 2004 | ZD | Option to purchase Common Stock | Common Stock, $0.01 par value | $19.09 | March 24, 2014 | 12,500 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).