Clay B Siegall
CIK 1167496 · View on SEC EDGAR ↗
Insider
First SEC filing: June 2, 2026 · Latest: June 2, 2026
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
5 buys (P)
0 sells (S)
Net:
$1,999,659
+ 29 non-open-market transactions below
Avg return of open purchases vs now:
47.4%
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
29 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 9, 2026 | STTK | P | 62,500 | $4.00 | $250,000 | 318,608 Direct | +24.40% | Acquired | 84.0% (price as of 2026-08-20) |
| March 27, 2026 | IMNM | P | 25,450 | $19.67 | $500,602 | 690,704 Direct | +3.83% | Acquired | 45.3% (price as of 2026-08-20) |
| Dec. 30, 2025 | IMNM | P | 4,729 | $21.15 | $100,018 | 665,254 Direct | +0.72% | Acquired | 35.2% (price as of 2026-08-20) |
| Dec. 19, 2025 | IMNM | P | 7,278 | $20.48 | $149,053 | 860,525 Direct | +0.85% | Acquired | 39.6% (price as of 2026-08-20) |
| Dec. 18, 2025 | IMNM | P | 46,511 | $21.50 | $999,986 | 853,247 Direct | +5.77% | Acquired | 33.0% (price as of 2026-08-20) |
| Oct. 2, 2023 | IMNM | P | 169,204 | $5.91 | $999,996 | 319,636 Direct | +112.48% | Acquired | 383.8% (price as of 2026-08-20) |
| Aug. 10, 2020 | RARE | S | 1,596 | $85.01 | $135,676 | 2,550 Direct | -38.49% | Disposed | -68.8% (price as of 2026-08-20) |
| Aug. 10, 2020 | RARE | S | 9,750 | $85.01 | $828,848 | 2,550 Direct | -79.27% | Disposed | -68.8% (price as of 2026-08-20) |
| Aug. 7, 2020 | RARE | S | 23,404 | $85.55 | $2,002,212 | 12,300 Direct | -65.55% | Disposed | -69.0% (price as of 2026-08-20) |
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 (360,000) | $22.01 | July 22, 2036 | 360,000 | Acquired |
| May 29, 2026 | STTK | Stock Option (Right to Buy) | Common Stock (81,000) | $5.95 | May 29, 2036 | 81,000 | Acquired |
| May 22, 2026 | STTK | Warrants (Right to Buy) | Common Stock (128,054) | $1.08 | — | 128,054 | Disposed |
| Aug. 25, 2025 | STTK | Warrants (Right to Buy) | Common Stock (128,054) | $1.08 | — | 128,054 | Acquired |
| July 14, 2025 | STTK | Stock Option (Right to Buy) | Common Stock (33,150) | $0.82 | July 14, 2035 | 33,150 | Acquired |
| June 21, 2024 | STTK | Stock Option (Right to Buy) | Common Stock (27,700) | $4.37 | June 21, 2034 | 27,700 | Acquired |
| March 6, 2024 | STTK | Stock Option (Right to Buy) | Common Stock (33,409) | $9.47 | March 6, 2034 | 33,409 | Acquired |
| May 5, 2022 | NRIX | Director Stock Option (right to buy) | Common Stock (17,500) | $10.39 | May 4, 2032 | 17,500 | Acquired |
| May 28, 2021 | NRIX | Director Stock Option (right to buy) | Common Stock (35,000) | $27.90 | May 27, 2031 | 35,000 | Acquired |
| Aug. 10, 2020 | RARE | Stock Option (Right to Buy) | Common Stock (1,596) | $40.37 | July 9, 2024 | 1,596 | Disposed |
| Aug. 7, 2020 | RARE | Stock Option (Right to Buy) | Common Stock (17,500) | $21.00 | Jan. 29, 2024 | 17,500 | Disposed |
| Aug. 7, 2020 | RARE | Stock Option (Right to Buy) | Common Stock (5,904) | $40.37 | July 9, 2024 | 5,904 | Disposed |
| June 26, 2020 | RARE | Stock Option (Right to Buy) | Common Stock (4,250) | $76.58 | June 26, 2030 | 4,250 | Acquired |
| June 11, 2019 | RARE | Stock Option (Right to Buy) | Common Stock (5,000) | $58.74 | June 11, 2029 | 5,000 | Acquired |
| June 19, 2018 | RARE | Stock Option (Right to Buy) | Common Stock (5,000) | $80.69 | June 19, 2028 | 5,000 | Acquired |
| June 22, 2017 | RARE | Employee Stock Option (Right to Buy) | Common Stock (3,750) | $65.66 | June 22, 2027 | 3,750 | Acquired |
| July 10, 2014 | RARE | Stock Option (Right to Buy) | Common Stock (7,500) | $40.37 | July 9, 2024 | 7,500 | Acquired |
| Jan. 30, 2014 | RARE | Stock Option (Right to Buy) | Common Stock (17,500) | $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.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 4, 2023 | IMNM | Common Stock | 150,432 | Direct |
| Oct. 4, 2023 | IMNM | Stock Option (Right to Buy)→ Common Stock | — | Direct |
| Oct. 4, 2023 | IMNM | Stock Option (Right to Buy)→ Common Stock | — | Direct |
| Oct. 4, 2023 | IMNM | Stock Option (Right to Buy)→ Common Stock (2,137,080) | 2,137,080 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
IMNM
CEO| 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.