Robert Arthur Harrington
Insider
First SEC filing: May 27, 2026 · Latest: May 27, 2026
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-143,620
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 |
|---|---|---|---|---|---|---|---|---|---|
| July 15, 2026 | CYTK | A | 151 | $82.62 | $12,476 | 21,932 Direct | +0.69% | Acquired | -24.1% (price as of 2026-10-05) |
| May 27, 2026 | CYTK | A | 4,301 | · | · | 4,301 Direct | · | Acquired | (price as of 2026-10-05) |
| May 27, 2026 | CYTK | A | 2,851 | · | · | 21,781 Direct | +15.06% | Acquired | (price as of 2026-10-05) |
| April 15, 2026 | CYTK | A | 191 | $65.37 | $12,486 | 18,930 Direct | +1.02% | Acquired | -4.1% (price as of 2026-10-05) |
| Jan. 15, 2026 | CYTK | A | 197 | $63.44 | $12,498 | 18,739 Direct | +1.06% | Acquired | -1.2% (price as of 2026-10-05) |
| Dec. 1, 2025 | CYTK | S | 2,150 | $66.80 | $143,620 | 18,542 Direct | -10.39% | Disposed | -6.1% (price as of 2026-10-05) |
| Oct. 15, 2025 | CYTK | A | 199 | $62.80 | $12,497 | 20,692 Direct | +0.97% | Acquired | -0.2% (price as of 2026-10-05) |
| Sept. 2, 2025 | CYTK | S | 2,150 | $48.67 | $104,640 | 20,493 Direct | -9.50% | Disposed | 28.8% (price as of 2026-10-05) |
| July 15, 2025 | CYTK | A | 328 | $38.01 | $12,467 | 22,643 Direct | +1.47% | Acquired | 65.0% (price as of 2026-10-05) |
| May 14, 2025 | CYTK | A | 10,880 | · | · | 10,880 Direct | · | Acquired | (price as of 2026-10-05) |
| May 14, 2025 | CYTK | A | 7,333 | · | · | 22,315 Direct | +48.95% | Acquired | (price as of 2026-10-05) |
| April 15, 2025 | CYTK | A | 324 | $38.56 | $12,493 | 14,982 Direct | +2.21% | Acquired | 62.6% (price as of 2026-10-05) |
| April 3, 2025 | CYTK | S | 450 | $39.43 | $17,744 | 14,658 Direct | -2.98% | Disposed | 59.0% (price as of 2026-10-05) |
| March 4, 2025 | CYTK | S | 900 | $42.50 | $38,250 | 15,108 Direct | -5.62% | Disposed | 47.5% (price as of 2026-10-05) |
| Jan. 2, 2025 | CYTK | A | 255 | $48.93 | $12,477 | 16,008 Direct | +1.62% | Acquired | 28.1% (price as of 2026-10-05) |
| Oct. 1, 2024 | CYTK | A | 237 | $52.60 | $12,466 | 15,753 Direct | +1.53% | Acquired | 19.2% (price as of 2026-10-05) |
| July 5, 2024 | CYTK | S | 253 | $54.61 | $13,816 | 15,516 Direct | -1.60% | Disposed | 14.8% (price as of 2026-10-05) |
| July 1, 2024 | CYTK | A | 228 | · | · | 15,769 Direct | +1.47% | Acquired | (price as of 2026-10-05) |
| June 3, 2024 | CYTK | S | 1,580 | $48.64 | $76,851 | 15,541 Direct | -9.23% | Disposed | 28.9% (price as of 2026-10-05) |
| May 15, 2024 | CYTK | A | 5,600 | · | · | 17,121 Direct | +48.61% | Acquired | (price as of 2026-10-05) |
| May 15, 2024 | CYTK | A | 3,636 | · | · | 3,636 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2024 | CYTK | A | 148 | $84.12 | $12,450 | 11,521 Direct | +1.30% | Acquired | -25.5% (price as of 2026-10-05) |
| Oct. 2, 2023 | CYTK | A | 448 | $27.88 | $12,490 | 11,373 Direct | +4.10% | Acquired | 124.9% (price as of 2026-10-05) |
| July 3, 2023 | CYTK | A | 374 | $33.36 | $12,477 | 10,925 Direct | +3.54% | Acquired | 87.9% (price as of 2026-10-05) |
| May 10, 2023 | CYTK | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 10, 2023 | CYTK | A | 5,000 | · | · | 10,551 Direct | +90.07% | Acquired | (price as of 2026-10-05) |
| April 3, 2023 | CYTK | A | 298 | $37.71 | $11,238 | 5,551 Direct | +5.67% | Acquired | 66.3% (price as of 2026-10-05) |
| Jan. 3, 2023 | CYTK | A | 253 | $44.35 | $11,221 | 5,253 Direct | +5.06% | Acquired | 41.4% (price as of 2026-10-05) |
| May 10, 2022 | CYTK | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 10, 2022 | CYTK | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-05) |
| April 8, 2022 | CYTK | A | 35,000 | $41.69 | $1,459,150 | 35,000 Direct | · | Acquired | 50.4% (price as of 2026-10-05) |
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 27, 2026 | CYTK | Non-Qualified Stock Option (Right to Buy) | Common Stock | $77.15 | May 26, 2036 | 4,301 | Acquired |
| May 14, 2025 | CYTK | Non-Qualified Stock Option (Right to Buy) | Common Stock | $30.00 | May 13, 2035 | 10,880 | Acquired |
| May 15, 2024 | CYTK | Non-Qualified Stock Option (Right to Buy) | Common Stock | $60.50 | May 15, 2034 | 3,636 | Acquired |
| May 10, 2023 | CYTK | Non-Qualified Stock Option (Right to Buy) | Common Stock | $37.89 | May 10, 2033 | 10,000 | Acquired |
| May 10, 2022 | CYTK | Non-Qualified Stock Option (right to buy) | Common Stock | $37.89 | May 10, 2032 | 10,000 | Acquired |
| April 8, 2022 | CYTK | Non-Qualified Stock Option (right to buy) | Common Stock | $41.69 | April 8, 2032 | 35,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).