Rob C Holmes
Insider
First SEC filing: May 18, 2021 · Latest: June 8, 2026
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-10,012,698
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 8, 2026 | TCBIO | S | 49,500 | $101.22 | $5,010,390 | 167,635 Indirect | -22.80% | Disposed | -81.3% (price as of 2026-10-02) |
| June 5, 2026 | TCBIO | S | 49,100 | $101.88 | $5,002,308 | 217,135 Indirect | -18.44% | Disposed | -81.4% (price as of 2026-10-02) |
| May 28, 2026 | DDT | A | 300 | $592.85 | $177,855 | 3,600 Direct | +9.09% | Acquired | -95.6% (price as of 2026-10-02) |
| Feb. 20, 2026 | TCBIO | M | 1,446 | · | · | 267,681 Direct | +0.54% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2026 | TCBIO | F | 1,446 | $97.63 | $141,173 | 266,235 Direct | -0.54% | Disposed | -80.6% (price as of 2026-10-02) |
| Feb. 20, 2026 | TCBIO | M | 1,446 | · | · | 60,045 Direct | -2.35% | Disposed | (price as of 2026-10-02) |
| Feb. 13, 2026 | TCBIO | M | 9,566 | · | · | 269,775 Direct | +3.68% | Acquired | (price as of 2026-10-02) |
| Feb. 13, 2026 | TCBIO | F | 3,540 | $103.42 | $366,107 | 266,235 Direct | -1.31% | Disposed | -81.7% (price as of 2026-10-02) |
| Feb. 13, 2026 | TCBIO | M | 9,566 | · | · | 10,257 Direct | -48.26% | Disposed | (price as of 2026-10-02) |
| Feb. 9, 2026 | TCBIO | M | 8,708 | · | · | 250,756 Direct | +3.60% | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2026 | TCBIO | F | 3,222 | $104.62 | $337,086 | 247,534 Direct | -1.28% | Disposed | -81.9% (price as of 2026-10-02) |
| Feb. 9, 2026 | TCBIO | M | 20,900 | · | · | 268,434 Direct | +8.44% | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2026 | TCBIO | F | 8,225 | $104.62 | $860,500 | 260,209 Direct | -3.06% | Disposed | -81.9% (price as of 2026-10-02) |
| Feb. 9, 2026 | TCBIO | M | 8,708 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 9, 2026 | TCBIO | M | 20,900 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 29, 2026 | TCBIO | M | 9,200 | · | · | 245,452 Direct | +3.89% | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2026 | TCBIO | F | 3,404 | $98.87 | $336,553 | 242,048 Direct | -1.39% | Disposed | -80.9% (price as of 2026-10-02) |
| Jan. 29, 2026 | TCBIO | M | 881 | · | · | 242,929 Direct | +0.36% | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2026 | TCBIO | F | 881 | $97.63 | $86,012 | 242,048 Direct | -0.36% | Disposed | -80.6% (price as of 2026-10-02) |
| Jan. 29, 2026 | TCBIO | M | 9,200 | · | · | 18,402 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Jan. 29, 2026 | TCBIO | M | 881 | $97.63 | $86,012 | 36,571 Direct | -2.35% | Disposed | -80.6% (price as of 2026-10-02) |
| Jan. 27, 2026 | TCBIO | A | 37,452 | · | · | 37,452 Direct | · | Acquired | (price as of 2026-10-02) |
| May 17, 2025 | DDT | A | 400 | $414.49 | $165,796 | 3,300 Direct | +13.79% | Acquired | -93.6% (price as of 2026-10-02) |
| Feb. 14, 2025 | TCBIO | M | 9,565 | · | · | 19,823 Direct | -32.55% | Disposed | (price as of 2026-10-02) |
| Feb. 14, 2025 | TCBIO | F | 3,764 | $81.02 | $304,959 | 236,252 Direct | -1.57% | Disposed | -76.7% (price as of 2026-10-02) |
| Feb. 14, 2025 | TCBIO | M | 9,565 | · | · | 240,016 Direct | +4.15% | Acquired | (price as of 2026-10-02) |
| Feb. 7, 2025 | TCBIO | M | 8,708 | · | · | 8,708 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Feb. 7, 2025 | TCBIO | M | 8,221 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 7, 2025 | TCBIO | M | 42,519 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 7, 2025 | TCBIO | F | 3,222 | $83.00 | $267,426 | 230,451 Direct | -1.38% | Disposed | -77.2% (price as of 2026-10-02) |
| Feb. 7, 2025 | TCBIO | M | 8,708 | · | · | 233,673 Direct | +3.87% | Acquired | (price as of 2026-10-02) |
| Feb. 7, 2025 | TCBIO | F | 3,042 | $83.00 | $252,486 | 224,965 Direct | -1.33% | Disposed | -77.2% (price as of 2026-10-02) |
| Feb. 7, 2025 | TCBIO | M | 8,221 | · | · | 228,007 Direct | +3.74% | Acquired | (price as of 2026-10-02) |
| Feb. 7, 2025 | TCBIO | F | 16,751 | $83.00 | $1,390,333 | 219,786 Direct | -7.08% | Disposed | -77.2% (price as of 2026-10-02) |
| Feb. 7, 2025 | TCBIO | M | 42,519 | · | · | 236,537 Direct | +21.91% | Acquired | (price as of 2026-10-02) |
| Jan. 28, 2025 | TCBIO | M | 665 | $77.83 | $51,757 | 27,602 Direct | -2.35% | Disposed | -75.7% (price as of 2026-10-02) |
| Jan. 28, 2025 | TCBIO | A | 28,267 | · | · | 28,267 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 28, 2025 | TCBIO | F | 665 | $77.83 | $51,757 | 194,018 Direct | -0.34% | Disposed | -75.7% (price as of 2026-10-02) |
| Jan. 28, 2025 | TCBIO | M | 665 | · | · | 194,683 Direct | +0.34% | Acquired | (price as of 2026-10-02) |
| July 29, 2024 | TCBIO | A | 61,491 | · | · | 61,491 Direct | · | Acquired | (price as of 2026-10-02) |
| May 18, 2024 | DDT | A | 400 | $433.50 | $173,400 | 2,900 Direct | +16.00% | Acquired | -93.9% (price as of 2026-10-02) |
| Feb. 26, 2024 | TCBIO | M | 19,714 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 26, 2024 | TCBIO | M | 22,426 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 26, 2024 | TCBIO | F | 7,759 | $58.06 | $450,488 | 194,018 Direct | -3.85% | Disposed | -67.4% (price as of 2026-10-02) |
| Feb. 26, 2024 | TCBIO | M | 19,714 | · | · | 201,777 Direct | +10.83% | Acquired | (price as of 2026-10-02) |
| Feb. 26, 2024 | TCBIO | F | 8,298 | $58.06 | $481,782 | 182,063 Direct | -4.36% | Disposed | -67.4% (price as of 2026-10-02) |
| Feb. 26, 2024 | TCBIO | M | 22,426 | · | · | 190,361 Direct | +13.35% | Acquired | (price as of 2026-10-02) |
| Feb. 16, 2024 | TCBIO | A | 29,388 | · | · | 29,388 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 16, 2024 | TCBIO | M | 691 | · | · | 58,084 Direct | -1.18% | Disposed | (price as of 2026-10-02) |
| Feb. 16, 2024 | TCBIO | A | 58,775 | · | · | 58,775 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 16, 2024 | TCBIO | F | 691 | $59.55 | $41,149 | 167,935 Direct | -0.41% | Disposed | -68.3% (price as of 2026-10-02) |
| Feb. 16, 2024 | TCBIO | M | 691 | · | · | 168,626 Direct | +0.41% | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2024 | TCBIO | M | 8,094 | · | · | 17,416 Direct | -31.73% | Disposed | (price as of 2026-10-02) |
| Feb. 9, 2024 | TCBIO | F | 3,185 | $59.27 | $188,775 | 167,935 Direct | -1.86% | Disposed | -68.1% (price as of 2026-10-02) |
| Feb. 9, 2024 | TCBIO | M | 8,094 | · | · | 171,120 Direct | +4.96% | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2024 | TCBIO | M | 7,834 | · | · | 8,221 Direct | -48.79% | Disposed | (price as of 2026-10-02) |
| Feb. 8, 2024 | TCBIO | F | 3,083 | $59.37 | $183,038 | 163,026 Direct | -1.86% | Disposed | -68.2% (price as of 2026-10-02) |
| Feb. 8, 2024 | TCBIO | M | 7,834 | · | · | 166,109 Direct | +4.95% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2024 | TCBIO | M | 228,261 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 1, 2024 | TCBIO | F | 84,457 | $60.52 | $5,111,338 | 158,275 Direct | -34.79% | Disposed | -68.8% (price as of 2026-10-02) |
| Feb. 1, 2024 | TCBIO | M | 228,261 | · | · | 242,732 Direct | +1577.37% | Acquired | (price as of 2026-10-02) |
| May 20, 2023 | DDT | A | 500 | $284.50 | $142,250 | 2,500 Direct | +25.00% | Acquired | -90.7% (price as of 2026-10-02) |
| Feb. 9, 2023 | TCBIO | F | 614 | $66.99 | $41,132 | 306,723 Direct | -0.20% | Disposed | -71.8% (price as of 2026-10-02) |
| Feb. 9, 2023 | TCBIO | A | 26,124 | · | · | 307,337 Direct | +9.29% | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2023 | TCBIO | F | 387 | $68.39 | $26,467 | 281,213 Direct | -0.14% | Disposed | -72.4% (price as of 2026-10-02) |
| Feb. 8, 2023 | TCBIO | F | 2,057 | $68.39 | $140,678 | 281,600 Direct | -0.73% | Disposed | -72.4% (price as of 2026-10-02) |
| Dec. 20, 2022 | TCBIO | F | 6,034 | $55.07 | $332,292 | 283,657 Direct | -2.08% | Disposed | -65.7% (price as of 2026-10-02) |
| May 21, 2022 | DDT | A | 1,000 | $257.85 | $257,850 | 2,000 Direct | +100.00% | Acquired | -89.8% (price as of 2026-10-02) |
| Feb. 8, 2022 | TCBIO | A | 24,662 | · | · | 289,691 Direct | +9.31% | Acquired | (price as of 2026-10-02) |
| Sept. 3, 2021 | TCBIO | P | 8,308 | $60.29 | $500,889 | 265,029 Direct | +3.24% | Acquired | -68.7% (price as of 2026-10-02) |
| May 15, 2021 | DDT | A | 1,000 | $118.51 | $118,510 | 1,000 Direct | · | Acquired | -77.7% (price as of 2026-10-02) |
| Feb. 26, 2021 | TCBIO | A | 22,966 | · | · | 256,721 Direct | +9.82% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2021 | TCBIO | A | 233,755 | · | · | 233,755 Direct | · | Acquired | (price as of 2026-10-02) |
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. 20, 2026 | TCBIO | 2024 Restricted Stock Units | Common Stock | $0.00 | · | 1,446 | Disposed |
| Feb. 13, 2026 | TCBIO | 2024 Restricted Stock Units | Common Stock | $0.00 | · | 9,566 | Disposed |
| Feb. 9, 2026 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 8,708 | Disposed |
| Feb. 9, 2026 | TCBIO | 2023 Performance Stock Units | Common Stock | $0.00 | March 15, 2026 | 20,900 | Disposed |
| Jan. 29, 2026 | TCBIO | 2025 Restricted Stock Units | Common Stock | $0.00 | · | 9,200 | Disposed |
| Jan. 29, 2026 | TCBIO | 2026 Restricted Stock Units | Common Stock | $0.00 | · | 881 | Disposed |
| Jan. 27, 2026 | TCBIO | 2026 Restricted Stock Units | Common Stock | $0.00 | · | 37,452 | Acquired |
| Feb. 14, 2025 | TCBIO | 2024 Restricted Stock Units | Common Stock | $0.00 | · | 9,565 | Disposed |
| Feb. 7, 2025 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 8,708 | Disposed |
| Feb. 7, 2025 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 8,221 | Disposed |
| Feb. 7, 2025 | TCBIO | 2022 Performance Stock Units | Common Stock | $0.00 | March 15, 2025 | 42,519 | Disposed |
| Jan. 28, 2025 | TCBIO | 2025 Restricted Stock Units | Common Stock | $0.00 | · | 665 | Disposed |
| Jan. 28, 2025 | TCBIO | 2025 Restricted Stock Units | Common Stock | $0.00 | · | 28,267 | Acquired |
| July 29, 2024 | TCBIO | 2024 Restricted Stock Units | Common Stock | $0.00 | · | 61,491 | Acquired |
| Feb. 26, 2024 | TCBIO | 2021 Performance Stock Units | Common Stock | $0.00 | March 15, 2024 | 19,714 | Disposed |
| Feb. 26, 2024 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 22,426 | Disposed |
| Feb. 16, 2024 | TCBIO | 2024 Restricted Stock Units | Common Stock | $0.00 | · | 29,388 | Acquired |
| Feb. 16, 2024 | TCBIO | 2024 Restricted Stock Units | Common Stock | $0.00 | · | 691 | Disposed |
| Feb. 16, 2024 | TCBIO | 2024 Restricted Stock Units | Common Stock | $0.00 | · | 58,775 | Acquired |
| Feb. 9, 2024 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 8,094 | Disposed |
| Feb. 8, 2024 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 7,834 | Disposed |
| Feb. 1, 2024 | TCBIO | Restricted Stock Units | Common Stock | $0.00 | · | 228,261 | 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 |
|---|---|---|---|---|
| May 18, 2021 | DDT | Common Class A | 0 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2021 | $937,500 | $2,500,000 | $17,179,310 | · | · | · | $6,150 | $23,622,960 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.