Sung Lee
CIK 1793200 · View on SEC EDGAR ↗
Insider
First SEC filing: June 8, 2026 · Latest: June 8, 2026
On this page
Insider at
Insider transactions
0 buys (P)
5 sells (S)
Net:
$-5,695,855
+ 50 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
50 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 1, 2026 | CYTK | S | 1,112 | $87.79 | $97,622 | 63,221 Direct | -1.73% | Disposed | -12.8% (price as of 2026-08-20) |
| June 29, 2026 | CYTK | S | 3,134 | $85.00 | $266,390 | 63,221 Direct | -4.72% | Disposed | -9.9% (price as of 2026-08-20) |
| June 24, 2026 | CYTK | S | 38,730 | $82.30 | $3,187,479 | 63,221 Direct | -37.99% | Disposed | -7.0% (price as of 2026-08-20) |
| May 5, 2026 | CYTK | S | 23,906 | $76.87 | $1,837,654 | 63,221 Direct | -27.44% | Disposed | -0.4% (price as of 2026-08-20) |
| March 17, 2026 | CYTK | S | 4,935 | $62.15 | $306,710 | 87,127 Direct | -5.36% | Disposed | 23.2% (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 |
|---|---|---|---|---|---|---|---|
| July 1, 2026 | CYTK | Non-Qualified Stock Option (Right to Buy) | Common Stock (1,112) | $48.51 | May 30, 2034 | 1,112 | Disposed |
| June 29, 2026 | CYTK | Non-Qualified Stock Option (Right to Buy) | Common Stock (823) | $44.36 | March 13, 2035 | 823 | Disposed |
| June 29, 2026 | CYTK | Incentive Stock Option (Right to Buy) | Common Stock (188) | $44.36 | March 13, 2035 | 188 | Disposed |
| June 29, 2026 | CYTK | Non-Qualified Stock Option (Right to Buy) | Common Stock (1,113) | $48.51 | May 30, 2034 | 1,113 | Disposed |
| June 29, 2026 | CYTK | Non-Qualified Stock Option (Right to Buy) | Common Stock (822) | $44.36 | March 13, 2035 | 822 | Disposed |
| June 29, 2026 | CYTK | Incentive Stock Option (Right to Buy) | Common Stock (188) | $44.36 | March 13, 2035 | 188 | Disposed |
| June 24, 2026 | CYTK | Non-Qualified Stock Option (Right to Buy) | Common Stock (1,113) | $48.51 | May 30, 2034 | 1,113 | Disposed |
| June 24, 2026 | CYTK | Non-Qualified Stock Option (Right to Buy) | Common Stock (822) | $44.36 | March 13, 2035 | 822 | Disposed |
| June 24, 2026 | CYTK | Incentive Stock Option (Right to Buy) | Common Stock (188) | $44.36 | March 13, 2035 | 188 | Disposed |
| June 24, 2026 | CYTK | Non-Qualified Stock Option (Right to Buy) | Common Stock (1,113) | $48.51 | May 30, 2034 | 1,113 | Disposed |
| June 24, 2026 | CYTK | Incentive Stock Option (Right to Buy) | Common Stock (2,817) | $44.36 | March 13, 2035 | 2,817 | Disposed |
| June 24, 2026 | CYTK | Non-Qualified Stock Option (Right to Buy) | Common Stock (9,307) | $44.36 | March 13, 2035 | 9,307 | Disposed |
| June 24, 2026 | CYTK | Non-Qualified Stock Option (Right to Buy) | Common Stock (23,370) | $48.51 | May 30, 2034 | 23,370 | Disposed |
| June 5, 2026 | TNGX | Stock Option (Right to Buy) | Common Stock (3,570) | $20.22 | June 5, 2036 | 3,570 | Acquired |
| April 29, 2026 | TNGX | Stock Option (Right to Buy) | Common Stock (5,200) | $22.06 | April 29, 2036 | 5,200 | Acquired |
| March 15, 2026 | CYTK | Non-Qualified Stock Option (Right to Buy) | Common Stock (29,480) | $60.06 | March 14, 2036 | 29,480 | Acquired |
| March 15, 2026 | CYTK | Incentive Stock Option (Right to Buy) | Common Stock (1,665) | $60.06 | March 14, 2036 | 1,665 | Acquired |
| Jan. 2, 2026 | TNGX | Stock Option (Right to Buy) | Common Stock (60,000) | $8.93 | Jan. 2, 2036 | 60,000 | Acquired |
| March 14, 2025 | CYTK | Non-Qualified Stock Option (Right to Buy) | Common Stock (41,326) | $44.36 | March 13, 2035 | 41,326 | Acquired |
| March 14, 2025 | CYTK | Incentive Stock Option (Right to Buy) | Common Stock (9,016) | $44.36 | March 13, 2035 | 9,016 | Acquired |
| May 31, 2024 | CYTK | Non-Qualified Stock Option (Right to Buy) | Common Stock (53,417) | $48.51 | May 30, 2034 | 53,417 | Acquired |
| March 27, 2023 | VIR | Stock Option (Right to Buy) | Common Stock (133,000) | $23.01 | March 26, 2033 | 133,000 | Acquired |
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.
CYTK
PFO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $572,918 | — | — | — | $295,608 | — | $17,522 | $3,770,807 |
| 2024 | $550,000 | $80,000 | $3,352,526 | $1,752,473 | $177,522 | — | $86,410 | $5,918,931 |
VIR
CFO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $184,527 | $500,000 | $404,400 | $616,640 | — | — | $33,990 | $1,739,557 |
| 2023 | $402,865 | — | $1,530,165 | $2,472,231 | $293,423 | — | $149,690 | $4,848,374 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.