Neil Exter
Insider
First SEC filing: June 2, 2020 · Latest: June 2, 2020
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 22, 2025 | MAZE | A | 18,000 | · | · | 18,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 17, 2025 | MAZE | A | 16,000 | · | · | 16,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 16, 2022 | PLRX | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 16, 2022 | RVMDW | A | 5,200 | · | · | 28,815 Direct | +22.02% | Acquired | (price as of 2026-10-05) |
| June 16, 2022 | RVMDW | A | 18,400 | · | · | 18,400 Direct | · | Acquired | (price as of 2026-10-05) |
| June 8, 2022 | RVMDW | S | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-05) |
| June 29, 2021 | PLRX | A | 13,286 | · | · | 13,286 Direct | · | Acquired | (price as of 2026-10-05) |
| June 22, 2021 | RVMDW | A | 3,617 | · | · | 23,615 Direct | +18.09% | Acquired | (price as of 2026-10-05) |
| June 22, 2021 | RVMDW | A | 12,659 | · | · | 12,659 Direct | · | Acquired | (price as of 2026-10-05) |
| June 4, 2021 | RVMDW | S | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-05) |
| June 3, 2021 | RVMDW | S | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-05) |
| May 26, 2021 | RVMDW | S | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-05) |
| May 25, 2021 | RVMDW | S | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-05) |
| Feb. 24, 2021 | RVMDW | J | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-05) |
| Dec. 2, 2020 | RVMDW | J | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-05) |
| Sept. 9, 2020 | RVMDW | J | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-05) |
| June 5, 2020 | PLRX | C | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-05) |
| June 5, 2020 | PLRX | C | 0 | · | · | 0 Indirect | · | Acquired | (price as of 2026-10-05) |
| March 31, 2020 | PLRX | A | 26,573 | · | · | 26,573 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 18, 2020 | RVMDW | C | 0 | · | · | 0 Indirect | · | Acquired | (price as of 2026-10-05) |
| Feb. 18, 2020 | RVMDW | C | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-05) |
| Feb. 18, 2020 | RVMDW | C | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-05) |
| Feb. 18, 2020 | RVMDW | C | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-05) |
| Feb. 12, 2020 | RVMDW | A | 36,168 | · | · | 36,168 Direct | · | Acquired | (price as of 2026-10-05) |
| June 6, 2018 | RYTM | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 10, 2017 | RYTM | C | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-05) |
| Oct. 10, 2017 | RYTM | C | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-05) |
| Oct. 10, 2017 | RYTM | C | 0 | · | · | 0 Indirect | · | Acquired | (price as of 2026-10-05) |
| June 20, 2017 | CTMX | A | 14,000 | · | · | 14,000 Direct | · | Acquired | (price as of 2026-10-05) |
| March 27, 2017 | CTMX | S | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-05) |
| March 23, 2017 | CTMX | S | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-05) |
| Nov. 7, 2016 | CTMX | J | 0 | · | · | 0 Direct | · | Disposed | (price as of 2026-10-05) |
| June 10, 2016 | CTMX | A | 14,000 | · | · | 14,000 Direct | · | Acquired | (price as of 2026-10-05) |
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. 22, 2025 | MAZE | Stock Option (Right to Buy) | Common Stock | $23.67 | Sept. 21, 2035 | 18,000 | Acquired |
| Aug. 17, 2025 | MAZE | Stock Option (Right to Buy) | Common Stock | $13.35 | Aug. 16, 2035 | 16,000 | Acquired |
| June 16, 2022 | PLRX | Stock Option (right to buy) | Common Stock | $6.80 | June 15, 2032 | 15,000 | Acquired |
| June 16, 2022 | RVMDW | Stock Option (Right to Buy) | Common Stock | $16.80 | June 15, 2032 | 18,400 | Acquired |
| June 29, 2021 | PLRX | Stock Option (right to buy) | Common Stock | $28.20 | June 28, 2031 | 13,286 | Acquired |
| June 22, 2021 | RVMDW | Stock Option (Right to Buy) | Common Stock | $32.93 | June 21, 2031 | 12,659 | Acquired |
| June 5, 2020 | PLRX | Series A Preferred Stock | Common Stock | · | · | 0 | Disposed |
| March 31, 2020 | PLRX | Stock Option (right to buy) | Common Stock | · | March 30, 2030 | 26,573 | Acquired |
| Feb. 18, 2020 | RVMDW | Series A Convertible Preferred Stock | Common Stock | · | · | 0 | Disposed |
| Feb. 18, 2020 | RVMDW | Series B Convertible Preferred Stock | Common Stock | · | · | 0 | Disposed |
| Feb. 18, 2020 | RVMDW | Series C Convertible Preferred Stock | Common Stock | · | · | 0 | Disposed |
| Feb. 12, 2020 | RVMDW | Stock Option (Right to Buy) | Common Stock | $17.00 | Feb. 11, 2030 | 36,168 | Acquired |
| June 6, 2018 | RYTM | Stock Option (right to buy) | Common Stock | $34.89 | June 5, 2028 | 10,000 | Acquired |
| Oct. 10, 2017 | RYTM | Series A-1 Junior Preferred Stock | Common Stock | · | · | 0 | Disposed |
| Oct. 10, 2017 | RYTM | Series A Convertible Preferred Stock | Common Stock | · | · | 0 | Disposed |
| June 20, 2017 | CTMX | Stock Option (right to buy) | Common Stock | $13.78 | June 19, 2027 | 14,000 | Acquired |
| June 10, 2016 | CTMX | Stock Option (right to buy) | Common Stock | $10.17 | June 9, 2026 | 14,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 2, 2020 | PLRX | Common Stock | 0 | Indirect |
| June 2, 2020 | PLRX | Stock Option (right to buy) | 26,573 | Direct |
| June 2, 2020 | PLRX | Series A Preferred Stock | · | Indirect |
| Feb. 12, 2020 | RVMDW | Common Stock | 0 | Indirect |
| Feb. 12, 2020 | RVMDW | Series A Convertible Preferred Stock | · | Indirect |
| Feb. 12, 2020 | RVMDW | Series B Convertible Preferred Stock | · | Indirect |
| Feb. 12, 2020 | RVMDW | Series C Convertible Preferred Stock | · | Indirect |
| Oct. 4, 2017 | RYTM | Common Stock | 0 | Indirect |
| Oct. 4, 2017 | RYTM | Series A Convertible Preferred Stock | · | Indirect |
| Oct. 4, 2017 | RYTM | Series A-1 Junior Preferred Stock | · | Indirect |