Mark Chin
Insider
First SEC filing: Oct. 7, 2021 · Latest: Oct. 7, 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 |
|---|---|---|---|---|---|---|---|---|---|
| June 18, 2026 | IRON | A | 6,212 | · | · | 6,212 Direct | · | Acquired | (price as of 2026-10-06) |
| June 11, 2025 | IRON | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-06) |
| June 12, 2024 | IRON | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-06) |
| June 9, 2023 | IRON | A | 7,136 | · | · | 7,136 Direct | · | Acquired | (price as of 2026-10-06) |
| Dec. 29, 2022 | IRON | A | 7,000 | · | · | 7,000 Direct | · | Acquired | (price as of 2026-10-06) |
| June 2, 2022 | ELVN | A | 8,500 | · | · | 8,500 Direct | · | Acquired | (price as of 2026-10-06) |
| April 21, 2022 | PYXS | S | 1,745,761 | $3.05 | $5,324,571 | 0 Indirect | -100.00% | Disposed | -29.4% (price as of 2026-10-06) |
| March 31, 2022 | PYXS | A | 66,831 | · | · | 66,831 Direct | · | Acquired | (price as of 2026-10-06) |
| Oct. 13, 2021 | PYXS | C | 9,114,109 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-06) |
| Oct. 13, 2021 | PYXS | P | 312,500 | $16.00 | $5,000,000 | 1,745,761 Indirect | +21.80% | Acquired | -86.5% (price as of 2026-10-06) |
| Oct. 13, 2021 | PYXS | C | 1,433,261 | · | · | 1,433,261 Indirect | · | Acquired | (price as of 2026-10-06) |
| Oct. 7, 2021 | PYXS | A | 42,191 | · | · | 42,191 Direct | · | Acquired | (price as of 2026-10-06) |
| July 16, 2021 | ELVN | P | 1,333,333 | $6.00 | $7,999,998 | 2,344,072 Indirect | +131.92% | Acquired | 606.5% (price as of 2026-10-06) |
| June 29, 2021 | ELVN | A | 7,728 | · | · | 7,728 Direct | · | Acquired | (price as of 2026-10-06) |
| March 16, 2020 | ELVN | A | 15,457 | · | · | 15,457 Direct | · | Acquired | (price as of 2026-10-06) |
| March 16, 2020 | ELVN | C | 8,611,110 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-06) |
| March 16, 2020 | ELVN | P | 187,500 | $16.00 | $3,000,000 | 1,554,558 Indirect | +13.72% | Acquired | 164.9% (price as of 2026-10-06) |
| March 16, 2020 | ELVN | C | 1,367,058 | · | · | 1,367,058 Indirect | · | Acquired | (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| June 18, 2026 | IRON | Stock Option (Right to Buy) | Common Stock | $70.79 | June 17, 2036 | 6,212 | Acquired |
| June 11, 2025 | IRON | Stock Option (Right to Buy) | Common Stock | $50.86 | June 10, 2035 | 10,000 | Acquired |
| June 12, 2024 | IRON | Stock Option (Right to Buy) | Common Stock | $38.85 | June 11, 2034 | 10,000 | Acquired |
| June 9, 2023 | IRON | Stock Option (Right to Buy) | Common Stock | $45.69 | June 8, 2033 | 7,136 | Acquired |
| Dec. 29, 2022 | IRON | Stock Option (Right to Buy) | Common Stock | $13.50 | Dec. 28, 2032 | 7,000 | Acquired |
| June 2, 2022 | ELVN | Stock Options (Right to Buy) | Common Stock | $1.07 | June 1, 2032 | 8,500 | Acquired |
| Oct. 13, 2021 | PYXS | Series B Convertible Preferred Stock | Common Stock | · | · | 9,114,109 | Disposed |
| Oct. 7, 2021 | PYXS | Stock Option (Right to buy) | Common Stock | $16.00 | Oct. 7, 2031 | 42,191 | Acquired |
| June 29, 2021 | ELVN | Stock Options (Right to Buy) | Common Stock | $8.12 | June 28, 2031 | 7,728 | Acquired |
| March 16, 2020 | ELVN | Stock Option (right to buy) | Common Stock | $16.00 | March 15, 2030 | 15,457 | Acquired |
| March 16, 2020 | ELVN | Series B Preferred Stock | Common Stock | · | · | 8,611,110 | Disposed |
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.