Christopher Nathan Martin
CIK 2097992 · View on SEC EDGAR ↗
First SEC filing: May 13, 2026 · Latest: June 16, 2026
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Insider at
Insider transactions
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 27, 2026 | ACHV | A | 16,700 | — | — | 16,700 Direct | — | Acquired | (price as of 2026-08-20) |
| July 27, 2026 | ACHV | A | 25,000 | — | — | 25,000 Direct | — | Acquired | (price as of 2026-08-20) |
| June 5, 2026 | EWTX | A | 16,377 | — | — | 16,377 Direct | — | Acquired | (price as of 2026-08-20) |
| June 2, 2026 | ORKA | A | 9,136 | — | — | 9,136 Direct | — | Acquired | (price as of 2026-08-20) |
| May 11, 2026 | ACHV | A | 47,250 | — | — | 47,250 Direct | — | Acquired | (price as of 2026-08-20) |
| Dec. 11, 2025 | ORKA | A | 35,000 | — | — | 35,000 Direct | — | Acquired | (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 27, 2026 | ACHV | Restricted Stock Unit (RSU) | Common Stock (16,700) | — | July 27, 2036 | 16,700 | Acquired |
| July 27, 2026 | ACHV | Stock Option (right to buy) | Common Stock (25,000) | $6.18 | July 27, 2036 | 25,000 | Acquired |
| June 5, 2026 | EWTX | Stock Options (Right to buy) | Common Stock (16,377) | $35.59 | June 5, 2036 | 16,377 | Acquired |
| June 2, 2026 | ORKA | Stock Option (right to buy) | Common Stock (9,136) | $55.23 | June 1, 2036 | 9,136 | Acquired |
| May 11, 2026 | ACHV | Stock Option (right to buy) | Common Stock (47,250) | $5.59 | May 11, 2036 | 47,250 | Acquired |
| Dec. 11, 2025 | ORKA | Stock Option (right to buy) | Common Stock (35,000) | $30.21 | Dec. 10, 2035 | 35,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 13, 2026 | ACHV | No securities are beneficially owned | 0 | Direct |