James A Spudich
CIK 1288531 · View on SEC EDGAR ↗
Insider
First SEC filing: July 27, 2004 · Latest: July 27, 2004
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 13 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
13 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 25, 2008 | CYTK | S 10b5-1 | 1,200 | $3.32 | $3,984 | 180,600 Direct | -0.66% | Disposed | 284.3% (price as of 2026-08-20) |
| April 25, 2008 | CYTK | S 10b5-1 | 800 | $3.31 | $2,648 | 181,800 Direct | -0.44% | Disposed | 285.5% (price as of 2026-08-20) |
| March 20, 2008 | CYTK | S 10b5-1 | 100 | $3.39 | $339 | 182,600 Direct | -0.05% | Disposed | 276.4% (price as of 2026-08-20) |
| March 20, 2008 | CYTK | S 10b5-1 | 1,900 | $3.38 | $6,422 | 182,700 Direct | -1.03% | Disposed | 277.5% (price as of 2026-08-20) |
| Feb. 27, 2008 | CYTK | S 10b5-1 | 2,000 | $3.50 | $7,000 | 184,600 Direct | -1.07% | Disposed | 264.5% (price as of 2026-08-20) |
| Jan. 8, 2008 | CYTK | S 10b5-1 | 800 | $4.53 | $3,624 | 186,600 Direct | -0.43% | Disposed | 181.6% (price as of 2026-08-20) |
| Jan. 8, 2008 | CYTK | S 10b5-1 | 2,200 | $4.51 | $9,922 | 187,400 Direct | -1.16% | Disposed | 182.9% (price as of 2026-08-20) |
| Dec. 10, 2007 | CYTK | S 10b5-1 | 100 | $5.65 | $565 | 189,600 Direct | -0.05% | Disposed | 125.8% (price as of 2026-08-20) |
| Dec. 10, 2007 | CYTK | S 10b5-1 | 1,000 | $5.64 | $5,640 | 189,700 Direct | -0.52% | Disposed | 126.2% (price as of 2026-08-20) |
| Dec. 10, 2007 | CYTK | S 10b5-1 | 1,900 | $5.62 | $10,678 | 190,700 Direct | -0.99% | Disposed | 127.0% (price as of 2026-08-20) |
| Nov. 2, 2007 | CYTK | S 10b5-1 | 100 | $5.21 | $521 | 192,600 Direct | -0.05% | Disposed | 144.9% (price as of 2026-08-20) |
| Nov. 2, 2007 | CYTK | S 10b5-1 | 100 | $5.20 | $520 | 192,700 Direct | -0.05% | Disposed | 145.4% (price as of 2026-08-20) |
| Nov. 2, 2007 | CYTK | S 10b5-1 | 200 | $5.19 | $1,038 | 192,800 Direct | -0.10% | Disposed | 145.8% (price as of 2026-08-20) |
| Nov. 2, 2007 | CYTK | S 10b5-1 | 200 | $5.18 | $1,036 | 193,000 Direct | -0.10% | Disposed | 146.3% (price as of 2026-08-20) |
| Nov. 2, 2007 | CYTK | S 10b5-1 | 2,400 | $5.17 | $12,408 | 193,200 Direct | -1.23% | Disposed | 146.8% (price as of 2026-08-20) |
| Oct. 3, 2007 | CYTK | S 10b5-1 | 3,000 | $5.41 | $16,230 | 195,600 Direct | -1.51% | Disposed | 135.8% (price as of 2026-08-20) |
| Sept. 5, 2007 | CYTK | S 10b5-1 | 200 | $4.97 | $994 | 198,600 Direct | -0.10% | Disposed | 156.7% (price as of 2026-08-20) |
| Sept. 5, 2007 | CYTK | S 10b5-1 | 200 | $4.96 | $992 | 198,800 Direct | -0.10% | Disposed | 157.2% (price as of 2026-08-20) |
| Sept. 5, 2007 | CYTK | S 10b5-1 | 2,600 | $4.95 | $12,870 | 199,000 Direct | -1.29% | Disposed | 157.8% (price as of 2026-08-20) |
| Aug. 2, 2007 | CYTK | S 10b5-1 | 3,000 | $5.23 | $15,690 | 201,600 Direct | -1.47% | Disposed | 144.0% (price as of 2026-08-20) |
| July 3, 2007 | CYTK | S 10b5-1 | 1,200 | $5.68 | $6,816 | 204,600 Direct | -0.58% | Disposed | 124.6% (price as of 2026-08-20) |
| July 3, 2007 | CYTK | S 10b5-1 | 1,800 | $5.69 | $10,242 | 205,800 Direct | -0.87% | Disposed | 124.2% (price as of 2026-08-20) |
| June 4, 2007 | CYTK | S 10b5-1 | 300 | $6.54 | $1,962 | 207,600 Direct | -0.14% | Disposed | 95.1% (price as of 2026-08-20) |
| June 4, 2007 | CYTK | S 10b5-1 | 200 | $6.53 | $1,306 | 207,900 Direct | -0.10% | Disposed | 95.4% (price as of 2026-08-20) |
| June 4, 2007 | CYTK | S 10b5-1 | 500 | $6.52 | $3,260 | 208,100 Direct | -0.24% | Disposed | 95.7% (price as of 2026-08-20) |
| June 4, 2007 | CYTK | S 10b5-1 | 1,100 | $6.51 | $7,161 | 208,600 Direct | -0.52% | Disposed | 96.0% (price as of 2026-08-20) |
| June 4, 2007 | CYTK | S 10b5-1 | 900 | $6.50 | $5,850 | 209,700 Direct | -0.43% | Disposed | 96.3% (price as of 2026-08-20) |
| May 11, 2007 | CYTK | S 10b5-1 | 173 | $6.70 | $1,159 | 210,600 Direct | -0.08% | Disposed | 90.4% (price as of 2026-08-20) |
| May 11, 2007 | CYTK | S 10b5-1 | 600 | $6.69 | $4,014 | 210,773 Direct | -0.28% | Disposed | 90.7% (price as of 2026-08-20) |
| May 11, 2007 | CYTK | S 10b5-1 | 200 | $6.68 | $1,336 | 211,373 Direct | -0.09% | Disposed | 91.0% (price as of 2026-08-20) |
| May 11, 2007 | CYTK | S 10b5-1 | 500 | $6.67 | $3,335 | 211,573 Direct | -0.24% | Disposed | 91.3% (price as of 2026-08-20) |
| May 11, 2007 | CYTK | S 10b5-1 | 600 | $6.66 | $3,996 | 212,073 Direct | -0.28% | Disposed | 91.6% (price as of 2026-08-20) |
| May 11, 2007 | CYTK | S 10b5-1 | 927 | $6.65 | $6,165 | 212,673 Direct | -0.43% | Disposed | 91.9% (price as of 2026-08-20) |
| Jan. 11, 2007 | CYTK | S 10b5-1 | 1,300 | $8.30 | $10,790 | 213,600 Direct | -0.60% | Disposed | 53.7% (price as of 2026-08-20) |
| Jan. 11, 2007 | CYTK | S 10b5-1 | 100 | $8.31 | $831 | 214,900 Direct | -0.05% | Disposed | 53.5% (price as of 2026-08-20) |
| Jan. 11, 2007 | CYTK | S 10b5-1 | 200 | $8.32 | $1,664 | 215,000 Direct | -0.09% | Disposed | 53.4% (price as of 2026-08-20) |
| Jan. 11, 2007 | CYTK | S 10b5-1 | 600 | $8.33 | $4,998 | 215,200 Direct | -0.28% | Disposed | 53.2% (price as of 2026-08-20) |
| Dec. 21, 2006 | CYTK | S 10b5-1 | 1,700 | $6.82 | $11,594 | 215,800 Direct | -0.78% | Disposed | 87.1% (price as of 2026-08-20) |
| Dec. 21, 2006 | CYTK | S 10b5-1 | 100 | $6.83 | $683 | 217,500 Direct | -0.05% | Disposed | 86.8% (price as of 2026-08-20) |
| Dec. 21, 2006 | CYTK | S 10b5-1 | 400 | $6.85 | $2,740 | 217,600 Direct | -0.18% | Disposed | 86.3% (price as of 2026-08-20) |
| Nov. 21, 2006 | CYTK | S 10b5-1 | 100 | $7.73 | $773 | 218,000 Direct | -0.05% | Disposed | 65.1% (price as of 2026-08-20) |
| Nov. 21, 2006 | CYTK | S 10b5-1 | 1,574 | $7.72 | $12,151 | 218,100 Direct | -0.72% | Disposed | 65.3% (price as of 2026-08-20) |
| Nov. 21, 2006 | CYTK | S 10b5-1 | 526 | $7.75 | $4,076 | 219,674 Direct | -0.24% | Disposed | 64.6% (price as of 2026-08-20) |
| Oct. 24, 2006 | CYTK | S 10b5-1 | 400 | $7.04 | $2,816 | 220,200 Direct | -0.18% | Disposed | 81.2% (price as of 2026-08-20) |
| Oct. 24, 2006 | CYTK | S 10b5-1 | 600 | $7.03 | $4,218 | 220,600 Direct | -0.27% | Disposed | 81.5% (price as of 2026-08-20) |
| Oct. 24, 2006 | CYTK | S 10b5-1 | 900 | $7.00 | $6,300 | 221,200 Direct | -0.41% | Disposed | 82.3% (price as of 2026-08-20) |
| Oct. 24, 2006 | CYTK | S 10b5-1 | 300 | $6.99 | $2,097 | 222,100 Direct | -0.13% | Disposed | 82.5% (price as of 2026-08-20) |
| Sept. 29, 2006 | CYTK | S 10b5-1 | 1,600 | $6.48 | $10,368 | 222,400 Direct | -0.71% | Disposed | 96.9% (price as of 2026-08-20) |
| Sept. 29, 2006 | CYTK | S 10b5-1 | 600 | $6.49 | $3,894 | 224,000 Direct | -0.27% | Disposed | 96.6% (price as of 2026-08-20) |
| Aug. 25, 2006 | CYTK | S 10b5-1 | 200 | $6.13 | $1,226 | 224,600 Direct | -0.09% | Disposed | 108.1% (price as of 2026-08-20) |
| Aug. 25, 2006 | CYTK | S 10b5-1 | 800 | $6.08 | $4,864 | 224,800 Direct | -0.35% | Disposed | 109.8% (price as of 2026-08-20) |
| Aug. 25, 2006 | CYTK | S 10b5-1 | 600 | $6.07 | $3,642 | 225,600 Direct | -0.27% | Disposed | 110.2% (price as of 2026-08-20) |
| Aug. 25, 2006 | CYTK | S 10b5-1 | 400 | $6.06 | $2,424 | 226,200 Direct | -0.18% | Disposed | 110.5% (price as of 2026-08-20) |
| Aug. 25, 2006 | CYTK | S 10b5-1 | 100 | $6.05 | $605 | 226,600 Direct | -0.04% | Disposed | 110.9% (price as of 2026-08-20) |
| Aug. 25, 2006 | CYTK | S 10b5-1 | 100 | $6.04 | $604 | 226,700 Direct | -0.04% | Disposed | 111.2% (price as of 2026-08-20) |
| July 25, 2006 | CYTK | S 10b5-1 | 972 | $5.86 | $5,696 | 226,800 Direct | -0.43% | Disposed | 117.7% (price as of 2026-08-20) |
| July 25, 2006 | CYTK | S 10b5-1 | 700 | $5.85 | $4,095 | 227,772 Direct | -0.31% | Disposed | 118.1% (price as of 2026-08-20) |
| July 25, 2006 | CYTK | S 10b5-1 | 118 | $5.89 | $695 | 228,472 Direct | -0.05% | Disposed | 116.6% (price as of 2026-08-20) |
| July 25, 2006 | CYTK | S 10b5-1 | 110 | $5.91 | $650 | 228,590 Direct | -0.05% | Disposed | 115.9% (price as of 2026-08-20) |
| July 25, 2006 | CYTK | S 10b5-1 | 300 | $5.90 | $1,770 | 228,700 Direct | -0.13% | Disposed | 116.2% (price as of 2026-08-20) |
| June 29, 2006 | CYTK | S 10b5-1 | 2,200 | $6.49 | $14,278 | 229,000 Direct | -0.95% | Disposed | 96.6% (price as of 2026-08-20) |
| May 22, 2006 | CYTK | S 10b5-1 | 800 | $7.25 | $5,800 | 231,200 Direct | -0.34% | Disposed | 76.0% (price as of 2026-08-20) |
| May 22, 2006 | CYTK | S 10b5-1 | 500 | $7.29 | $3,645 | 232,000 Direct | -0.22% | Disposed | 75.0% (price as of 2026-08-20) |
| May 22, 2006 | CYTK | S 10b5-1 | 400 | $7.30 | $2,920 | 232,500 Direct | -0.17% | Disposed | 74.8% (price as of 2026-08-20) |
| May 22, 2006 | CYTK | S 10b5-1 | 500 | $7.32 | $3,660 | 232,900 Direct | -0.21% | Disposed | 74.3% (price as of 2026-08-20) |
| April 4, 2006 | CYTK | S 10b5-1 | 803 | $7.60 | $6,103 | 233,400 Direct | -0.34% | Disposed | 67.9% (price as of 2026-08-20) |
| April 4, 2006 | CYTK | S 10b5-1 | 500 | $7.59 | $3,795 | 234,203 Direct | -0.21% | Disposed | 68.1% (price as of 2026-08-20) |
| April 4, 2006 | CYTK | S 10b5-1 | 200 | $7.60 | $1,520 | 234,703 Direct | -0.09% | Disposed | 67.9% (price as of 2026-08-20) |
| April 4, 2006 | CYTK | S 10b5-1 | 497 | $7.61 | $3,782 | 234,903 Direct | -0.21% | Disposed | 67.7% (price as of 2026-08-20) |
| April 4, 2006 | CYTK | S 10b5-1 | 100 | $7.63 | $763 | 235,400 Direct | -0.04% | Disposed | 67.2% (price as of 2026-08-20) |
| April 4, 2006 | CYTK | S 10b5-1 | 100 | $7.65 | $765 | 235,500 Direct | -0.04% | Disposed | 66.8% (price as of 2026-08-20) |
| March 2, 2006 | CYTK | S 10b5-1 | 200 | $7.16 | $1,432 | 235,600 Direct | -0.08% | Disposed | 78.2% (price as of 2026-08-20) |
| March 2, 2006 | CYTK | S 10b5-1 | 24 | $7.15 | $172 | 235,800 Direct | -0.01% | Disposed | 78.4% (price as of 2026-08-20) |
| March 2, 2006 | CYTK | S 10b5-1 | 100 | $7.14 | $714 | 235,824 Direct | -0.04% | Disposed | 78.7% (price as of 2026-08-20) |
| March 2, 2006 | CYTK | S 10b5-1 | 100 | $7.13 | $713 | 235,924 Direct | -0.04% | Disposed | 78.9% (price as of 2026-08-20) |
| March 2, 2006 | CYTK | S 10b5-1 | 100 | $7.11 | $711 | 236,024 Direct | -0.04% | Disposed | 79.4% (price as of 2026-08-20) |
| March 2, 2006 | CYTK | S 10b5-1 | 300 | $7.10 | $2,130 | 236,124 Direct | -0.13% | Disposed | 79.7% (price as of 2026-08-20) |
| March 2, 2006 | CYTK | S 10b5-1 | 200 | $7.09 | $1,418 | 236,424 Direct | -0.08% | Disposed | 80.0% (price as of 2026-08-20) |
| March 2, 2006 | CYTK | S 10b5-1 | 750 | $7.08 | $5,310 | 236,624 Direct | -0.32% | Disposed | 80.2% (price as of 2026-08-20) |
| March 2, 2006 | CYTK | S 10b5-1 | 426 | $7.06 | $3,008 | 237,374 Direct | -0.18% | Disposed | 80.7% (price as of 2026-08-20) |
| Feb. 3, 2006 | CYTK | S 10b5-1 | 1,700 | $7.71 | $13,107 | 237,800 Direct | -0.71% | Disposed | 65.5% (price as of 2026-08-20) |
| Feb. 3, 2006 | CYTK | S 10b5-1 | 500 | $7.72 | $3,860 | 239,500 Direct | -0.21% | Disposed | 65.3% (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 |
|---|---|---|---|---|---|---|---|
| May 18, 2011 | CYTK | Non-Qualified Stock Option (right to buy) | Common Stock (20,000) | $1.44 | May 18, 2021 | 20,000 | Acquired |
| Jan. 3, 2011 | CYTK | Non-Qualified Stock Option (right to buy) | Common Stock (23,148) | $2.16 | Jan. 3, 2021 | 23,148 | Acquired |
| May 20, 2010 | CYTK | Non-Qualified Stock Option (right to buy) | Common Stock (20,000) | $2.81 | May 20, 2020 | 20,000 | Acquired |
| Jan. 4, 2010 | CYTK | Non-Qualified Stock Option (right to buy) | Common Stock (16,077) | $3.11 | Jan. 4, 2020 | 16,077 | Acquired |
| May 21, 2009 | CYTK | Non-Qualified Stock Option (right to buy) | Common Stock (15,000) | $1.85 | May 21, 2019 | 15,000 | Acquired |
| Jan. 2, 2009 | CYTK | Non-Qualified Stock Option (right to buy) | Common Stock (17,543) | $2.85 | Jan. 2, 2019 | 17,543 | Acquired |
| Jan. 2, 2009 | CYTK | Non-Qualified Stock Option (right to buy) | Common Stock (17,543) | $2.85 | Jan. 2, 2019 | 17,543 | Acquired |
| July 1, 2008 | CYTK | Non-Qualified Stock Option (right to buy) | Common Stock (6,702) | $3.73 | July 1, 2018 | 6,702 | Acquired |
| May 22, 2008 | CYTK | Non-Qualified Stock Option (right to buy) | Common Stock (15,000) | $3.83 | May 22, 2018 | 15,000 | Acquired |
| May 24, 2007 | CYTK | Non-Qualified Stock Option (right to buy) | Common Stock (10,000) | $6.55 | May 24, 2017 | 10,000 | Acquired |
| May 24, 2007 | CYTK | Non-Qualified Stock Option (right to buy) | Common Stock (7,500) | $6.55 | May 24, 2017 | 7,500 | Acquired |
| May 25, 2006 | CYTK | Non-Qualified Stock Option (right to buy) | Common Stock (7,500) | $7.29 | May 25, 2016 | 7,500 | Acquired |
| May 19, 2005 | CYTK | Non-Qualified Stock Option (right to buy) | Common Stock (7,500) | $5.55 | May 19, 2015 | 7,500 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 27, 2004 | CYTK | Employee Stock Option (right to buy)→ Common Stock (10,000) | 10,000 | Direct |