Robin Knifsend
Insider
First SEC filing: May 31, 2019 · Latest: May 31, 2019
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 14, 2020 | CTMX | A | 34,000 | · | · | 34,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 31, 2019 | CTMX | A | 1,812 | $8.21 | $14,877 | 2,791 Direct | +185.09% | Acquired | -68.8% (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 |
|---|---|---|---|---|---|---|---|
| Feb. 14, 2020 | CTMX | Stock Option (right to buy) | Common Stock | $7.13 | Feb. 13, 2030 | 34,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.