Boxer Capital Management, LLC
CIK 2018299 · View on SEC EDGAR ↗
Insider
Activist
First SEC filing: Oct. 22, 2024 · Latest: Jan. 2, 2025
On this page
- Institution The 13F filer entity this person is associated with.
- 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.
Institution
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 2 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 |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 18, 2024 | TYRA | A | 2,000,000 | — | — | 2,705,280 Indirect | +283.58% | Acquired | (price as of 2026-08-21) |
| Oct. 18, 2024 | TYRA | D | 2,000,000 | — | — | 4,448,359 Indirect | -31.02% | Disposed | (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Oct. 18, 2024 | TYRA | Pre-Funded Warrant (right to purchase) | Common Stock (2,000,000) | $0.00 | — | 2,000,000 | 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. 22, 2024 | TYRA | Common Stock | 6,448,349 | Indirect |
| Oct. 22, 2024 | TYRA | Warrant (right to purchase)→ Common Stock (705,280) | 705,280 | Indirect |
| Oct. 22, 2024 | TNGX | Common Stock | 8,198,642 | Indirect |
| Oct. 22, 2024 | TNGX | Prefunded Warrant→ Common Stock (2,340,579) | 2,340,579 | Indirect |