Clay B Siegall
Insider
First SEC filing: June 2, 2026 · Latest: June 2, 2026
Insider at
Insider transactions
5 buys (P)
0 sells (S)
Net: $1,999,659
Avg return of open purchases vs now: 9.6%
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 |
|---|---|---|---|---|---|---|---|---|---|
| July 23, 2026 | IMNM | A | 360,000 | · | · | 360,000 Direct | · | Acquired | (price as of 2026-10-06) |
| July 23, 2026 | IMNM | A | 180,000 | · | · | 870,704 Direct | +26.06% | Acquired | (price as of 2026-10-06) |
| June 9, 2026 | STTK | P | 62,500 | $4.00 | $250,000 | 318,608 Direct | +24.40% | Acquired | 50.5% (price as of 2026-10-06) |
| May 29, 2026 | STTK | A | 81,000 | · | · | 81,000 Direct | · | Acquired | (price as of 2026-10-06) |
| May 22, 2026 | STTK | M | 128,054 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| May 22, 2026 | STTK | A | 128,054 | $1.08 | $138,298 | 256,108 Direct | +100.00% | Acquired | 457.2% (price as of 2026-10-06) |
| March 27, 2026 | IMNM | P | 25,450 | $19.67 | $500,602 | 690,704 Direct | +3.83% | Acquired | 4.5% (price as of 2026-10-06) |
| Dec. 30, 2025 | IMNM | P | 4,729 | $21.15 | $100,018 | 665,254 Direct | +0.72% | Acquired | -2.8% (price as of 2026-10-06) |
| Dec. 19, 2025 | IMNM | G | 200,000 | · | · | 660,525 Direct | -23.24% | Disposed | (price as of 2026-10-06) |
| Dec. 19, 2025 | IMNM | P | 7,278 | $20.48 | $149,053 | 860,525 Direct | +0.85% | Acquired | 0.4% (price as of 2026-10-06) |
| Dec. 18, 2025 | IMNM | P | 46,511 | $21.50 | $999,986 | 853,247 Direct | +5.77% | Acquired | -4.4% (price as of 2026-10-06) |
| Aug. 25, 2025 | STTK | A | 128,054 | · | · | 128,054 Direct | · | Acquired | (price as of 2026-10-06) |
| Aug. 25, 2025 | STTK | A | 128,054 | $0.87 | $111,407 | 128,054 Direct | · | Acquired | 591.7% (price as of 2026-10-06) |
| July 29, 2025 | IMNM | A | 800,000 | · | · | 800,000 Direct | · | Acquired | (price as of 2026-10-06) |
| July 14, 2025 | STTK | A | 33,150 | · | · | 33,150 Direct | · | Acquired | (price as of 2026-10-06) |
| March 26, 2025 | IMNM | P | 137,100 | $7.29 | $999,459 | 806,736 Direct | +20.47% | Acquired | 182.0% (price as of 2026-10-06) |
| Jan. 31, 2025 | IMNM | P | 150,000 | $7.75 | $1,162,500 | 669,636 Direct | +28.87% | Acquired | 165.3% (price as of 2026-10-06) |
| Nov. 22, 2024 | IMNM | P | 33,943 | $9.78 | $331,963 | 519,636 Direct | +6.99% | Acquired | 110.2% (price as of 2026-10-06) |
| Nov. 21, 2024 | IMNM | P | 66,057 | $9.54 | $630,184 | 485,693 Direct | +15.74% | Acquired | 115.5% (price as of 2026-10-06) |
| Aug. 9, 2024 | IMNM | A | 800,000 | · | · | 800,000 Direct | · | Acquired | (price as of 2026-10-06) |
| June 21, 2024 | STTK | A | 27,700 | · | · | 27,700 Direct | · | Acquired | (price as of 2026-10-06) |
| May 21, 2024 | IMNM | P | 20,434 | $13.78 | $281,581 | 419,636 Direct | +5.12% | Acquired | 49.2% (price as of 2026-10-06) |
| May 20, 2024 | IMNM | P | 79,566 | $13.91 | $1,106,763 | 399,202 Direct | +24.89% | Acquired | 47.8% (price as of 2026-10-06) |
| March 6, 2024 | STTK | A | 33,409 | · | · | 33,409 Direct | · | Acquired | (price as of 2026-10-06) |
| Oct. 2, 2023 | IMNM | P | 169,204 | $5.91 | $999,996 | 319,636 Direct | +112.48% | Acquired | 247.9% (price as of 2026-10-06) |
| May 5, 2022 | NRIX | A | 17,500 | · | · | 17,500 Direct | · | Acquired | (price as of 2026-10-05) |
| May 28, 2021 | NRIX | A | 35,000 | · | · | 35,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 10, 2020 | RARE | M | 1,596 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Aug. 10, 2020 | RARE | S | 1,596 | $85.01 | $135,676 | 2,550 Direct | -38.49% | Disposed | -83.3% (price as of 2026-10-06) |
| Aug. 10, 2020 | RARE | M | 1,596 | $40.37 | $64,431 | 4,146 Direct | +62.59% | Acquired | -64.8% (price as of 2026-10-06) |
| Aug. 10, 2020 | RARE | S | 9,750 | $85.01 | $828,848 | 2,550 Direct | -79.27% | Disposed | -83.3% (price as of 2026-10-06) |
| Aug. 7, 2020 | RARE | M | 17,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Aug. 7, 2020 | RARE | M | 5,904 | · | · | 1,596 Direct | -78.72% | Disposed | (price as of 2026-10-06) |
| Aug. 7, 2020 | RARE | S | 23,404 | $85.55 | $2,002,212 | 12,300 Direct | -65.55% | Disposed | -83.4% (price as of 2026-10-06) |
| Aug. 7, 2020 | RARE | M | 17,500 | $21.00 | $367,500 | 35,704 Direct | +96.13% | Acquired | -32.3% (price as of 2026-10-06) |
| Aug. 7, 2020 | RARE | M | 5,904 | $40.37 | $238,344 | 18,204 Direct | +48.00% | Acquired | -64.8% (price as of 2026-10-06) |
| June 26, 2020 | RARE | A | 4,250 | · | · | 4,250 Direct | · | Acquired | (price as of 2026-10-06) |
| June 26, 2020 | RARE | A | 2,550 | · | · | 12,300 Direct | +26.15% | Acquired | (price as of 2026-10-06) |
| June 11, 2019 | RARE | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-06) |
| June 11, 2019 | RARE | A | 3,000 | · | · | 9,750 Direct | +44.44% | Acquired | (price as of 2026-10-06) |
| June 19, 2018 | RARE | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-06) |
| June 19, 2018 | RARE | A | 3,000 | · | · | 6,750 Direct | +80.00% | Acquired | (price as of 2026-10-06) |
| June 22, 2017 | RARE | A | 3,750 | · | · | 3,750 Direct | · | Acquired | (price as of 2026-10-06) |
| June 22, 2017 | RARE | A | 1,875 | · | · | 3,750 Direct | +100.00% | Acquired | (price as of 2026-10-06) |
| June 9, 2016 | RARE | A | 1,875 | · | · | 1,875 Direct | · | Acquired | (price as of 2026-10-06) |
| June 9, 2016 | RARE | A | 3,750 | · | · | 3,750 Direct | · | Acquired | (price as of 2026-10-06) |
| June 18, 2015 | RARE | A | 7,500 | · | · | 7,500 Direct | · | Acquired | (price as of 2026-10-06) |
| July 10, 2014 | RARE | A | 7,500 | · | · | 7,500 Direct | · | Acquired | (price as of 2026-10-06) |
| Jan. 30, 2014 | RARE | A | 17,500 | · | · | 17,500 Direct | · | 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 |
|---|---|---|---|---|---|---|---|
| July 23, 2026 | IMNM | Employee Stock Option (right to buy) | Common Stock | $22.01 | July 22, 2036 | 360,000 | Acquired |
| May 29, 2026 | STTK | Stock Option (Right to Buy) | Common Stock | $5.95 | May 29, 2036 | 81,000 | Acquired |
| May 22, 2026 | STTK | Warrants (Right to Buy) | Common Stock | $1.08 | · | 128,054 | Disposed |
| Aug. 25, 2025 | STTK | Warrants (Right to Buy) | Common Stock | $1.08 | · | 128,054 | Acquired |
| July 29, 2025 | IMNM | Employee Stock Option (right to buy) | Common Stock | $10.60 | July 28, 2035 | 800,000 | Acquired |
| July 14, 2025 | STTK | Stock Option (Right to Buy) | Common Stock | $0.82 | July 14, 2035 | 33,150 | Acquired |
| Aug. 9, 2024 | IMNM | Stock option (right to buy) | Common Stock | $12.92 | Aug. 8, 2034 | 800,000 | Acquired |
| June 21, 2024 | STTK | Stock Option (Right to Buy) | Common Stock | $4.37 | June 21, 2034 | 27,700 | Acquired |
| March 6, 2024 | STTK | Stock Option (Right to Buy) | Common Stock | $9.47 | March 6, 2034 | 33,409 | Acquired |
| May 5, 2022 | NRIX | Director Stock Option (right to buy) | Common Stock | $10.39 | May 4, 2032 | 17,500 | Acquired |
| May 28, 2021 | NRIX | Director Stock Option (right to buy) | Common Stock | $27.90 | May 27, 2031 | 35,000 | Acquired |
| Aug. 10, 2020 | RARE | Stock Option (Right to Buy) | Common Stock | $40.37 | July 9, 2024 | 1,596 | Disposed |
| Aug. 7, 2020 | RARE | Stock Option (Right to Buy) | Common Stock | $21.00 | Jan. 29, 2024 | 17,500 | Disposed |
| Aug. 7, 2020 | RARE | Stock Option (Right to Buy) | Common Stock | $40.37 | July 9, 2024 | 5,904 | Disposed |
| June 26, 2020 | RARE | Stock Option (Right to Buy) | Common Stock | $76.58 | June 26, 2030 | 4,250 | Acquired |
| June 11, 2019 | RARE | Stock Option (Right to Buy) | Common Stock | $58.74 | June 11, 2029 | 5,000 | Acquired |
| June 19, 2018 | RARE | Stock Option (Right to Buy) | Common Stock | $80.69 | June 19, 2028 | 5,000 | Acquired |
| June 22, 2017 | RARE | Employee Stock Option (Right to Buy) | Common Stock | $65.66 | June 22, 2027 | 3,750 | Acquired |
| June 9, 2016 | RARE | Employee Stock Option (Right to Buy) | Common Stock | $65.85 | June 9, 2026 | 3,750 | Acquired |
| June 18, 2015 | RARE | Stock Option (Right to Buy) | Common Stock | $97.85 | June 17, 2025 | 7,500 | Acquired |
| July 10, 2014 | RARE | Stock Option (Right to Buy) | Common Stock | $40.37 | July 9, 2024 | 7,500 | Acquired |
| Jan. 30, 2014 | RARE | Stock Option (Right to Buy) | Common Stock | $21.00 | Jan. 29, 2024 | 17,500 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $735,000 | · | · | $6,272,810 | $661,500 | · | $13,291 | $7,682,601 |
| 2024 | $700,000 | · | · | · | $525,000 | · | $10,350 | $9,226,774 |
| 2023 | $162,500 | · | · | $14,215,856 | $483,600 | · | $4,875 | $14,866,831 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.