Natasha Hernday
CIK 1780547 · View on SEC EDGAR ↗
Insider
First SEC filing: June 12, 2026 · Latest: June 12, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 24 non-open-market transactions below
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 14, 2026 | XOMAP | D | 4,881 | — | — | 0 Direct | -100.00% | Disposed | |
| July 14, 2026 | XOMAP | D | 10,967 | — | — | 0 Direct | -100.00% | Disposed | |
| July 14, 2026 | XOMAP | D | 8,996 | — | — | 0 Direct | -100.00% | Disposed | |
| July 14, 2026 | XOMAP | D | 5,101 | — | — | 0 Direct | -100.00% | Disposed | |
| July 14, 2026 | XOMAP | D | 13,251 | — | — | 0 Direct | -100.00% | Disposed | |
| July 14, 2026 | XOMAP | D | 4,000 | — | — | 0 Direct | -100.00% | Disposed | |
| July 14, 2026 | XOMAP | J | 9,304 | — | — | 0 Direct | -100.00% | Disposed | |
| June 11, 2026 | JANX | A | 15,500 | — | — | 15,500 Direct | — | Acquired | (price as of 2026-08-21) |
| June 11, 2026 | JANX | A | 5,500 | — | — | 15,481 Direct | +55.10% | Acquired | (price as of 2026-08-21) |
| May 21, 2026 | XOMA | A | 3,586 | — | — | 12,592 Direct | +39.82% | Acquired | |
| May 21, 2025 | XOMA | A | 5,971 | — | — | 9,006 Direct | +196.74% | Acquired | |
| July 19, 2024 | JANX | A | 1,231 | — | — | 6,231 Direct | +24.62% | Acquired | (price as of 2026-08-21) |
| July 19, 2024 | JANX | A | 4,111 | — | — | 4,111 Direct | — | Acquired | (price as of 2026-08-21) |
| July 19, 2024 | JANX | A | 5,000 | — | — | 5,000 Direct | — | Acquired | (price as of 2026-08-21) |
| July 19, 2024 | JANX | A | 2,500 | — | — | 7,500 Direct | +50.00% | Acquired | (price as of 2026-08-21) |
| July 19, 2024 | JANX | A | 16,700 | — | — | 16,700 Direct | — | Acquired | (price as of 2026-08-21) |
| July 19, 2024 | JANX | A | 8,350 | — | — | 8,350 Direct | — | Acquired | (price as of 2026-08-21) |
| May 15, 2024 | XOMA | A | 4,881 | — | — | 4,881 Direct | — | Acquired | |
| May 15, 2024 | XOMA | A | 3,035 | — | — | 3,035 Direct | — | Acquired | |
| May 17, 2023 | XOMA | A | 10,967 | — | — | 10,967 Direct | — | Acquired | |
| May 18, 2022 | XOMA | A | 8,996 | — | — | 8,996 Direct | — | Acquired | |
| May 19, 2021 | XOMA | A | 5,101 | — | — | 5,101 Direct | — | Acquired | |
| Dec. 15, 2020 | XOMA | A | 4,000 | $25.00 | $100,000 | 4,000 Direct | — | Acquired | |
| June 30, 2020 | XOMA | A | 13,251 | — | — | 13,251 Direct | — | Acquired |
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 14, 2026 | XOMAP | Stock Option (Right to Buy) | Common Stock (4,881) | $24.71 | May 15, 2034 | 4,881 | Disposed |
| July 14, 2026 | XOMAP | Stock Option (Right to Buy) | Common Stock (10,967) | $21.39 | May 17, 2033 | 10,967 | Disposed |
| July 14, 2026 | XOMAP | Stock Option (Right to Buy) | Common Stock (8,996) | $17.86 | May 18, 2032 | 8,996 | Disposed |
| July 14, 2026 | XOMAP | Stock Option (Right to Buy) | Common Stock (5,101) | $31.04 | May 19, 2031 | 5,101 | Disposed |
| July 14, 2026 | XOMAP | Stock Option (Right to Buy) | Common Stock (13,251) | $19.76 | June 30, 2030 | 13,251 | Disposed |
| June 11, 2026 | JANX | Stock Option (right to buy) | Common Stock (15,500) | $13.66 | June 10, 2036 | 15,500 | Acquired |
| July 19, 2024 | JANX | Stock Option (Right to Buy) | Common Stock (4,111) | $44.68 | July 18, 2034 | 4,111 | Acquired |
| July 19, 2024 | JANX | Stock Option (Right to Buy) | Common Stock (16,700) | $44.68 | July 18, 2034 | 16,700 | Acquired |
| July 19, 2024 | JANX | Stock Option (Right to Buy) | Common Stock (8,350) | $44.68 | July 18, 2034 | 8,350 | Acquired |
| May 15, 2024 | XOMA | Non-Qualified Share Option (right to buy) | Common Stock (4,881) | $24.71 | May 15, 2034 | 4,881 | Acquired |
| May 17, 2023 | XOMA | Non-Qualified Share Option (right to buy) | Common Shares (10,967) | $21.39 | May 17, 2033 | 10,967 | Acquired |
| May 18, 2022 | XOMA | Non-Qualified Share Option (right to buy) | Common Shares (8,996) | $17.86 | May 18, 2032 | 8,996 | Acquired |
| May 19, 2021 | XOMA | Non-Qualified Share Option (right to buy) | Common Shares (5,101) | $31.04 | May 19, 2031 | 5,101 | Acquired |
| June 30, 2020 | XOMA | Non-Qualified Share Option (right to buy) | Common Shares (13,251) | $19.76 | June 30, 2030 | 13,251 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).