Laura L Whitley
CIK 1974780 · View on SEC EDGAR ↗
First SEC filing: April 24, 2025 · Latest: April 24, 2025
On this page
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 25, 2024 | TCBIO | P | 2,000 | $62.56 | $125,120 | 4,000 Direct | +100.00% | Acquired | -67.0% (price as of 2026-08-21) |
| June 15, 2023 | TCBIO | P | 2,000 | $54.17 | $108,340 | 2,000 Direct | — | Acquired | -61.9% (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 |
|---|---|---|---|---|---|---|---|
| April 23, 2025 | TCBIO | 2024 Restricted Stock Units | Common Stock (1,330) | $0.00 | — | 1,330 | Disposed |
| April 22, 2025 | TCBIO | 2025 Restricted Stock Units | Common Stock (1,670) | $0.00 | — | 1,670 | Acquired |
| April 23, 2024 | TCBIO | 2024 Restricted Stock Units | Common Stock (1,330) | $0.00 | — | 1,330 | Acquired |
| April 18, 2024 | TCBIO | Restricted Stock Units | Common Stock (1,631) | $0.00 | — | 1,631 | Disposed |
| April 18, 2023 | TCBIO | Restricted Stock Units | Common Stock (1,631) | $0.00 | — | 1,631 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).