Marc Semigran
Insider
First SEC filing: June 29, 2021 · Latest: June 29, 2021
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 24, 2024 | EWTX | M | 29,709 | $8.94 | $265,598 | 36,425 Direct | +442.36% | Acquired | 363.1% (price as of 2026-10-02) |
| Dec. 24, 2024 | EWTX | S 10b5-1 | 27,980 | $29.66 | $829,887 | 8,445 Direct | -76.82% | Disposed | 39.6% (price as of 2026-10-02) |
| Dec. 24, 2024 | EWTX | S 10b5-1 | 1,729 | $30.08 | $52,008 | 6,716 Direct | -20.47% | Disposed | 37.6% (price as of 2026-10-02) |
| Dec. 24, 2024 | EWTX | M | 29,709 | · | · | 270,291 Direct | -9.90% | Disposed | (price as of 2026-10-02) |
| Aug. 12, 2024 | EWTX | A | 138,750 | · | · | 138,750 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 12, 2024 | EWTX | A | 23,125 | · | · | 23,125 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 17, 2023 | EWTX | A | 133,333 | · | · | 133,333 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 30, 2022 | EWTX | A | 300,000 | · | · | 300,000 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 |
|---|---|---|---|---|---|---|---|
| Dec. 24, 2024 | EWTX | Stock Option (Right to Buy) | Common Stock | $8.94 | Dec. 30, 2032 | 29,709 | Disposed |
| Aug. 12, 2024 | EWTX | Stock Option (Right to Buy) | Common Stock | $17.05 | Aug. 12, 2034 | 138,750 | Acquired |
| Aug. 12, 2024 | EWTX | Restricted Stock Units | Common Stock | $0.00 | Aug. 12, 2034 | 23,125 | Acquired |
| Aug. 17, 2023 | EWTX | Stock Option (Right to Buy) | Common Stock | $7.08 | Aug. 17, 2033 | 133,333 | Acquired |
| Dec. 30, 2022 | EWTX | Stock Option (Right to Buy) | Common Stock | $8.94 | Dec. 30, 2032 | 300,000 | 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 |
|---|---|---|---|---|
| June 29, 2021 | PROK | Class B ordinary shares | 30,000 | Direct |