John Matthew Scurlock
Insider
First SEC filing: Jan. 10, 2022 · Latest: June 16, 2026
Insider at
Insider transactions
1 buys (P)
0 sells (S)
Net: $4,457
Avg return of open purchases vs now: -81.4%
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 15, 2026 | TCBIO | P | 44 | $101.29 | $4,457 | 22,279 Direct | +0.20% | Acquired | -81.4% (price as of 2026-10-05) |
| Feb. 13, 2026 | TCBIO | M | 1,819 | · | · | 22,951 Direct | +8.61% | Acquired | (price as of 2026-10-05) |
| Feb. 13, 2026 | TCBIO | F | 716 | $103.42 | $74,049 | 22,235 Direct | -3.12% | Disposed | -81.7% (price as of 2026-10-05) |
| Feb. 13, 2026 | TCBIO | M | 1,819 | · | · | 1,820 Direct | -49.99% | Disposed | (price as of 2026-10-05) |
| Feb. 9, 2026 | TCBIO | M | 1,369 | · | · | 19,680 Direct | +7.48% | Acquired | (price as of 2026-10-05) |
| Feb. 9, 2026 | TCBIO | F | 539 | $104.62 | $56,390 | 19,141 Direct | -2.74% | Disposed | -82.0% (price as of 2026-10-05) |
| Feb. 9, 2026 | TCBIO | M | 3,284 | · | · | 22,425 Direct | +17.16% | Acquired | (price as of 2026-10-05) |
| Feb. 9, 2026 | TCBIO | F | 1,293 | $104.62 | $135,274 | 21,132 Direct | -5.77% | Disposed | -82.0% (price as of 2026-10-05) |
| Feb. 9, 2026 | TCBIO | M | 1,369 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 9, 2026 | TCBIO | M | 3,284 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 29, 2026 | TCBIO | M | 2,677 | · | · | 19,435 Direct | +15.97% | Acquired | (price as of 2026-10-05) |
| Jan. 29, 2026 | TCBIO | F | 1,124 | $98.87 | $111,130 | 18,311 Direct | -5.78% | Disposed | -80.9% (price as of 2026-10-05) |
| Jan. 29, 2026 | TCBIO | M | 2,677 | · | · | 5,354 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| Jan. 27, 2026 | TCBIO | A | 14,981 | · | · | 14,981 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 26, 2025 | TCBIO | M | 378 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 26, 2025 | TCBIO | F | 149 | $78.15 | $11,644 | 17,708 Direct | -0.83% | Disposed | -75.8% (price as of 2026-10-05) |
| Feb. 26, 2025 | TCBIO | M | 378 | · | · | 17,857 Direct | +2.16% | Acquired | (price as of 2026-10-05) |
| Feb. 14, 2025 | TCBIO | M | 1,819 | · | · | 3,639 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| Feb. 14, 2025 | TCBIO | F | 716 | $81.02 | $58,010 | 17,479 Direct | -3.94% | Disposed | -76.7% (price as of 2026-10-05) |
| Feb. 14, 2025 | TCBIO | M | 1,819 | · | · | 18,195 Direct | +11.11% | Acquired | (price as of 2026-10-05) |
| Feb. 7, 2025 | TCBIO | M | 1,369 | · | · | 1,369 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Feb. 7, 2025 | TCBIO | M | 940 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 7, 2025 | TCBIO | M | 4,862 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 7, 2025 | TCBIO | F | 334 | $83.00 | $27,722 | 16,376 Direct | -2.00% | Disposed | -77.3% (price as of 2026-10-05) |
| Feb. 7, 2025 | TCBIO | M | 1,369 | · | · | 16,710 Direct | +8.92% | Acquired | (price as of 2026-10-05) |
| Feb. 7, 2025 | TCBIO | F | 229 | $83.00 | $19,007 | 15,341 Direct | -1.47% | Disposed | -77.3% (price as of 2026-10-05) |
| Feb. 7, 2025 | TCBIO | M | 940 | · | · | 15,570 Direct | +6.43% | Acquired | (price as of 2026-10-05) |
| Feb. 7, 2025 | TCBIO | F | 1,263 | $83.00 | $104,829 | 14,630 Direct | -7.95% | Disposed | -77.3% (price as of 2026-10-05) |
| Feb. 7, 2025 | TCBIO | M | 4,862 | · | · | 15,893 Direct | +44.08% | Acquired | (price as of 2026-10-05) |
| Jan. 28, 2025 | TCBIO | A | 8,031 | · | · | 8,031 Direct | · | Acquired | (price as of 2026-10-05) |
| July 29, 2024 | TCBIO | A | 15,200 | · | · | 15,200 Direct | · | Acquired | (price as of 2026-10-05) |
| June 3, 2024 | TCBIO | M | 240 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 3, 2024 | TCBIO | F | 59 | $58.83 | $3,471 | 11,031 Direct | -0.53% | Disposed | -67.9% (price as of 2026-10-05) |
| June 3, 2024 | TCBIO | M | 240 | · | · | 11,090 Direct | +2.21% | Acquired | (price as of 2026-10-05) |
| Feb. 26, 2024 | TCBIO | M | 377 | · | · | 378 Direct | -49.93% | Disposed | (price as of 2026-10-05) |
| Feb. 26, 2024 | TCBIO | F | 92 | $58.06 | $5,342 | 10,850 Direct | -0.84% | Disposed | -67.5% (price as of 2026-10-05) |
| Feb. 26, 2024 | TCBIO | M | 377 | · | · | 10,942 Direct | +3.57% | Acquired | (price as of 2026-10-05) |
| Feb. 16, 2024 | TCBIO | A | 5,458 | · | · | 5,458 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 16, 2024 | TCBIO | A | 10,916 | · | · | 10,916 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 9, 2024 | TCBIO | M | 556 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 9, 2024 | TCBIO | F | 165 | $59.27 | $9,780 | 10,565 Direct | -1.54% | Disposed | -68.2% (price as of 2026-10-05) |
| Feb. 9, 2024 | TCBIO | M | 556 | · | · | 10,730 Direct | +5.46% | Acquired | (price as of 2026-10-05) |
| Feb. 9, 2024 | TCBIO | M | 1,368 | · | · | 2,738 Direct | -33.32% | Disposed | (price as of 2026-10-05) |
| Feb. 9, 2024 | TCBIO | F | 363 | $59.27 | $21,515 | 10,174 Direct | -3.45% | Disposed | -68.2% (price as of 2026-10-05) |
| Feb. 9, 2024 | TCBIO | M | 1,368 | · | · | 10,537 Direct | +14.92% | Acquired | (price as of 2026-10-05) |
| Feb. 8, 2024 | TCBIO | M | 940 | · | · | 940 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Feb. 8, 2024 | TCBIO | F | 279 | $59.37 | $16,564 | 9,169 Direct | -2.95% | Disposed | -68.2% (price as of 2026-10-05) |
| Feb. 8, 2024 | TCBIO | M | 940 | · | · | 9,448 Direct | +11.05% | Acquired | (price as of 2026-10-05) |
| June 29, 2023 | TCBIO | M | 2,012 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 29, 2023 | TCBIO | F | 490 | $52.18 | $25,568 | 8,508 Direct | -5.45% | Disposed | -63.8% (price as of 2026-10-05) |
| June 29, 2023 | TCBIO | M | 2,012 | · | · | 8,998 Direct | +28.80% | Acquired | (price as of 2026-10-05) |
| June 1, 2023 | TCBIO | M | 240 | · | · | 240 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| June 1, 2023 | TCBIO | F | 59 | $47.58 | $2,807 | 6,986 Direct | -0.84% | Disposed | -60.3% (price as of 2026-10-05) |
| June 1, 2023 | TCBIO | M | 240 | · | · | 7,045 Direct | +3.53% | Acquired | (price as of 2026-10-05) |
| Feb. 27, 2023 | TCBIO | F | 93 | $65.92 | $6,131 | 16,594 Direct | -0.56% | Disposed | -71.4% (price as of 2026-10-05) |
| Feb. 13, 2023 | TCBIO | F | 239 | $67.02 | $16,018 | 16,687 Direct | -1.41% | Disposed | -71.8% (price as of 2026-10-05) |
| Feb. 9, 2023 | TCBIO | A | 4,106 | · | · | 16,926 Direct | +32.03% | Acquired | (price as of 2026-10-05) |
| Feb. 8, 2023 | TCBIO | F | 279 | $68.39 | $19,081 | 12,820 Direct | -2.13% | Disposed | -72.4% (price as of 2026-10-05) |
| June 29, 2022 | TCBIO | F | 980 | $53.29 | $52,224 | 13,099 Direct | -6.96% | Disposed | -64.6% (price as of 2026-10-05) |
| June 1, 2022 | TCBIO | F | 59 | $55.64 | $3,283 | 14,079 Direct | -0.42% | Disposed | -66.1% (price as of 2026-10-05) |
| Feb. 25, 2022 | TCBIO | F | 112 | $66.33 | $7,429 | 13,188 Direct | -0.84% | Disposed | -71.5% (price as of 2026-10-05) |
| Feb. 11, 2022 | TCBIO | F | 124 | $67.99 | $8,431 | 13,300 Direct | -0.92% | Disposed | -72.2% (price as of 2026-10-05) |
| Feb. 11, 2022 | TCBIO | F | 165 | $67.99 | $11,218 | 13,424 Direct | -1.21% | Disposed | -72.2% (price as of 2026-10-05) |
| Feb. 8, 2022 | TCBIO | A | 2,819 | · | · | 13,589 Direct | +26.17% | Acquired | (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 13, 2026 | TCBIO | 2024 Restricted Stock Units | Common Stock | $0.00 | · | 1,819 | Disposed |
| Feb. 9, 2026 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 1,369 | Disposed |
| Feb. 9, 2026 | TCBIO | 2023 Performance Stock Units | Common Stock | $0.00 | March 15, 2026 | 3,284 | Disposed |
| Jan. 29, 2026 | TCBIO | 2025 Restricted Stock Units | Common Stock | $0.00 | · | 2,677 | Disposed |
| Jan. 27, 2026 | TCBIO | 2026 Restricted Stock Units | Common Stock | $0.00 | · | 14,981 | Acquired |
| Feb. 26, 2025 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 378 | Disposed |
| Feb. 14, 2025 | TCBIO | 2024 Restricted Stock Units | Common Stock | $0.00 | · | 1,819 | Disposed |
| Feb. 7, 2025 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 1,369 | Disposed |
| Feb. 7, 2025 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 940 | Disposed |
| Feb. 7, 2025 | TCBIO | 2022 Performance Stock Units | Common Stock | $0.00 | March 15, 2025 | 4,862 | Disposed |
| Jan. 28, 2025 | TCBIO | 2025 Restricted Stock Units | Common Stock | $0.00 | · | 8,031 | Acquired |
| July 29, 2024 | TCBIO | 2024 Restricted Stock Units | Common Stock | $0.00 | · | 15,200 | Acquired |
| June 3, 2024 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 240 | Disposed |
| Feb. 26, 2024 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 377 | Disposed |
| Feb. 16, 2024 | TCBIO | 2024 Restricted Stock Units | Common Stock | $0.00 | · | 5,458 | Acquired |
| Feb. 16, 2024 | TCBIO | 2024 Restricted Stock Units | Common Stock | $0.00 | · | 10,916 | Acquired |
| Feb. 9, 2024 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 556 | Disposed |
| Feb. 9, 2024 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 1,368 | Disposed |
| Feb. 8, 2024 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 940 | Disposed |
| June 29, 2023 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 2,012 | Disposed |
| June 1, 2023 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 240 | Disposed |
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 |
|---|---|---|---|---|
| Jan. 10, 2022 | TCBIO | Common Stock | 10,770 | Direct |