Hiroko Masamune
First SEC filing: July 3, 2018 · Latest: July 3, 2018
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 3, 2019 | VKTX | A | 66,000 | · | · | 66,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2019 | VKTX | A | 22,667 | · | · | 141,063 Direct | +19.15% | Acquired | (price as of 2026-10-02) |
| July 1, 2018 | VKTX | A | 42,000 | · | · | 42,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 1, 2018 | VKTX | A | 15,000 | · | · | 111,197 Direct | +15.59% | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Jan. 3, 2019 | VKTX | Stock Option (Right to Buy) | Common Stock | $7.58 | Jan. 3, 2029 | 66,000 | Acquired |
| July 1, 2018 | VKTX | Stock Option (Right to Buy) | Common Stock | $9.49 | July 1, 2028 | 42,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 3, 2018 | VKTX | Common Stock, par value $0.00001 per share [F1] | 96,197 | Direct |
| July 3, 2018 | VKTX | Stock Option (Right to Buy) | 35,000 | Direct |
| July 3, 2018 | VKTX | Stock Option (Right to Buy) | 18,000 | Direct |
| July 3, 2018 | VKTX | Stock Option (Right to Buy) | 30,000 | Direct |
| July 3, 2018 | VKTX | Stock Option (Right to Buy) | 13,500 | Direct |
| July 3, 2018 | VKTX | Stock Option (Right to Buy) | 9,800 | Direct |
| July 3, 2018 | VKTX | Stock Option (Right to Buy) | 18,000 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2019 | $233,332 | · | $323,416 | $349,325 | · | · | · | $906,073 |
| 2018 | $302,726 | · | $188,850 | $395,348 | $106,000 | · | · | $992,924 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.