Christopher Mason
First SEC filing: March 10, 2021 · Latest: March 10, 2021
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 14, 2026 | KRYS | A | 1,187 | · | · | 1,187 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 14, 2026 | KRYS | A | 471 | · | · | 471 Direct | · | Acquired | (price as of 2026-10-02) |
| June 30, 2025 | KRYS | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 30, 2024 | KRYS | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 30, 2023 | KRYS | A | 6,800 | · | · | 6,800 Direct | · | Acquired | (price as of 2026-10-02) |
| June 30, 2022 | KRYS | A | 6,800 | · | · | 6,800 Direct | · | Acquired | (price as of 2026-10-02) |
| June 30, 2021 | KRYS | A | 6,800 | · | · | 6,800 Direct | · | Acquired | (price as of 2026-10-02) |
| June 10, 2021 | TECX | A | 125,000 | · | · | 125,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 4, 2021 | KRYS | A | 13,600 | · | · | 13,600 Direct | · | 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 |
|---|---|---|---|---|---|---|---|
| Sept. 14, 2026 | KRYS | Stock Option (Right to Buy) | Common Stock | $340.03 | Sept. 13, 2036 | 1,187 | Acquired |
| Sept. 14, 2026 | KRYS | Restricted Stock Units | Common Stock | · | · | 471 | Acquired |
| June 30, 2025 | KRYS | Stock Option (Right to Buy) | Common Stock | $137.46 | June 30, 2035 | 5,000 | Acquired |
| June 30, 2024 | KRYS | Stock Option (Right to Buy) | Common Stock | $183.64 | June 30, 2034 | 5,000 | Acquired |
| June 30, 2023 | KRYS | Stock Option (Right to Buy) | Common Stock | $117.40 | June 30, 2033 | 6,800 | Acquired |
| June 30, 2022 | KRYS | Stock Option (Right to Buy) | Common Stock | $65.66 | June 30, 2032 | 6,800 | Acquired |
| June 30, 2021 | KRYS | Stock Option (Right to Buy) | Common Stock | $68.00 | June 30, 2031 | 6,800 | Acquired |
| June 10, 2021 | TECX | Stock Option (Right to Buy) | Common Stock | $9.63 | June 9, 2031 | 125,000 | Acquired |
| Jan. 4, 2021 | KRYS | Stock Option (Right to Buy) | Common Stock | $59.42 | Jan. 4, 2031 | 13,600 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 10, 2021 | TECX | Common Stock | 284,365 | Direct |
| March 10, 2021 | TECX | Stock Option (Right to Buy) | 70,587 | Direct |
| March 10, 2021 | TECX | Stock Option (Right to Buy) | 27,658 | Direct |
| March 10, 2021 | TECX | Stock Option (Right to Buy) | 21,708 | Direct |
| March 10, 2021 | TECX | Stock Option (Right to Buy) | 29,633 | Direct |
| March 10, 2021 | TECX | Stock Option (Right to Buy) | 50,000 | Direct |
| March 10, 2021 | TECX | Stock Option (Right to Buy) | 76,000 | Direct |
| March 10, 2021 | TECX | Stock Option (Right to Buy) | 125,000 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2021 | $419,350 | · | · | $2,215,463 | $100,644 | · | $1,287 | $2,736,744 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.