Michael D Shafer
Insider
First SEC filing: May 2, 2024 · Latest: March 12, 2026
Insider at
Insider transactions
0 buys (P)
5 sells (S)
Net: $-22,537,536
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 28, 2026 | TMO | F | 162 | $622.18 | $100,793 | 20,832 Direct | -0.77% | Disposed | 5.2% (price as of 2026-10-02) |
| Aug. 28, 2026 | TMO | F | 211 | $622.18 | $131,280 | 20,621 Direct | -1.01% | Disposed | 5.2% (price as of 2026-10-02) |
| Aug. 28, 2026 | TMO | F | 190 | $622.18 | $118,214 | 20,431 Direct | -0.92% | Disposed | 5.2% (price as of 2026-10-02) |
| Aug. 28, 2026 | TMO | F | 227 | $622.18 | $141,235 | 20,204 Direct | -1.11% | Disposed | 5.2% (price as of 2026-10-02) |
| Aug. 11, 2026 | TMO | M | 11,200 | $309.63 | $3,467,856 | 32,194 Direct | +53.35% | Acquired | 111.5% (price as of 2026-10-02) |
| Aug. 11, 2026 | TMO | S 10b5-1 | 11,200 | $600.00 | $6,720,000 | 20,994 Direct | -34.79% | Disposed | 9.1% (price as of 2026-10-02) |
| Aug. 11, 2026 | TMO | M | 14,300 | $418.32 | $5,981,976 | 35,294 Direct | +68.11% | Acquired | 56.5% (price as of 2026-10-02) |
| Aug. 11, 2026 | TMO | S 10b5-1 | 14,300 | $600.00 | $8,580,000 | 20,994 Direct | -40.52% | Disposed | 9.1% (price as of 2026-10-02) |
| Aug. 11, 2026 | TMO | M | 11,200 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 11, 2026 | TMO | M | 14,300 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 11, 2026 | TMO | S 10b5-1 | 1,607 | $499.40 | $802,536 | 20,950 Direct | -7.12% | Disposed | 31.1% (price as of 2026-10-02) |
| Feb. 28, 2026 | TMO | F | 252 | $521.11 | $131,320 | 22,557 Direct | -1.10% | Disposed | 25.7% (price as of 2026-10-02) |
| Feb. 28, 2026 | TMO | F | 466 | $521.11 | $242,837 | 22,809 Direct | -2.00% | Disposed | 25.7% (price as of 2026-10-02) |
| Feb. 28, 2026 | TMO | F | 98 | $521.11 | $51,069 | 23,275 Direct | -0.42% | Disposed | 25.7% (price as of 2026-10-02) |
| Feb. 25, 2026 | TMO | A | 13,698 | · | · | 13,698 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2026 | TMO | A | 3,129 | · | · | 23,373 Direct | +15.46% | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2026 | TMO | A | 1,569 | · | · | 20,244 Direct | +8.40% | Acquired | (price as of 2026-10-02) |
| Nov. 25, 2025 | TMO | M | 2,250 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 25, 2025 | TMO | M | 8,475 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 25, 2025 | TMO | S 10b5-1 | 2,250 | $600.00 | $1,350,000 | 18,731 Direct | -10.72% | Disposed | 9.1% (price as of 2026-10-02) |
| Nov. 25, 2025 | TMO | M | 2,250 | $294.02 | $661,545 | 20,981 Direct | +12.01% | Acquired | 122.7% (price as of 2026-10-02) |
| Nov. 25, 2025 | TMO | S 10b5-1 | 8,475 | $600.00 | $5,085,000 | 18,731 Direct | -31.15% | Disposed | 9.1% (price as of 2026-10-02) |
| Nov. 25, 2025 | TMO | M | 8,475 | $253.99 | $2,152,565 | 27,206 Direct | +45.25% | Acquired | 157.8% (price as of 2026-10-02) |
| Aug. 28, 2025 | TMO | F | 114 | $489.74 | $55,830 | 18,731 Direct | -0.60% | Disposed | 33.7% (price as of 2026-10-02) |
| Aug. 28, 2025 | TMO | F | 176 | $489.74 | $86,194 | 18,845 Direct | -0.93% | Disposed | 33.7% (price as of 2026-10-02) |
| Aug. 28, 2025 | TMO | F | 162 | $489.74 | $79,338 | 19,021 Direct | -0.84% | Disposed | 33.7% (price as of 2026-10-02) |
| Aug. 28, 2025 | TMO | F | 145 | $489.74 | $71,012 | 19,184 Direct | -0.75% | Disposed | 33.7% (price as of 2026-10-02) |
| March 3, 2025 | TMO | S 10b5-1 | 1,780 | $530.92 | $945,038 | 19,279 Direct | -8.45% | Disposed | 23.3% (price as of 2026-10-02) |
| Feb. 28, 2025 | TMO | F | 636 | $528.96 | $336,419 | 21,059 Direct | -2.93% | Disposed | 23.8% (price as of 2026-10-02) |
| Feb. 28, 2025 | TMO | F | 110 | $528.96 | $58,186 | 21,695 Direct | -0.50% | Disposed | 23.8% (price as of 2026-10-02) |
| Feb. 28, 2025 | TMO | F | 245 | $528.96 | $129,595 | 21,805 Direct | -1.11% | Disposed | 23.8% (price as of 2026-10-02) |
| Feb. 19, 2025 | TMO | A | 9,610 | · | · | 9,610 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 19, 2025 | TMO | A | 4,747 | · | · | 22,398 Direct | +26.89% | Acquired | (price as of 2026-10-02) |
| Feb. 19, 2025 | TMO | A | 1,568 | · | · | 17,651 Direct | +9.75% | Acquired | (price as of 2026-10-02) |
| Aug. 28, 2024 | TMO | F | 106 | $613.14 | $64,993 | 16,083 Direct | -0.65% | Disposed | 6.8% (price as of 2026-10-02) |
| Aug. 28, 2024 | TMO | F | 135 | $613.14 | $82,774 | 16,189 Direct | -0.83% | Disposed | 6.8% (price as of 2026-10-02) |
| Aug. 28, 2024 | TMO | F | 145 | $613.14 | $88,905 | 16,325 Direct | -0.88% | Disposed | 6.8% (price as of 2026-10-02) |
| Aug. 23, 2024 | TMO | F | 279 | $606.12 | $169,107 | 16,470 Direct | -1.67% | Disposed | 8.0% (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 |
|---|---|---|---|---|---|---|---|
| Aug. 11, 2026 | TMO | Stock Option (Right to Buy) | Common Stock | $309.63 | Feb. 25, 2027 | 11,200 | Disposed |
| Aug. 11, 2026 | TMO | Stock Option (Right to Buy) | Common Stock | $418.32 | Sept. 9, 2027 | 14,300 | Disposed |
| Feb. 25, 2026 | TMO | Stock Option (Right to Buy) | Common Stock | $513.68 | Feb. 25, 2036 | 13,698 | Acquired |
| Nov. 25, 2025 | TMO | Stock Option (Right to Buy) | Common Stock | $294.02 | Sept. 5, 2026 | 2,250 | Disposed |
| Nov. 25, 2025 | TMO | Stock Option (Right to Buy) | Common Stock | $253.99 | Feb. 26, 2026 | 8,475 | Disposed |
| Feb. 19, 2025 | TMO | Stock Option (Right to Buy) | Common Stock | $530.86 | Feb. 19, 2035 | 9,610 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 9 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 2, 2024 | TMO | Common Stock | 16,696 | Direct |
| May 2, 2024 | TMO | Stock Option (Right to Buy) | 8,475 | Direct |
| May 2, 2024 | TMO | Stock Option (Right to Buy) | 2,250 | Direct |
| May 2, 2024 | TMO | Stock Option (Right to Buy) | 11,200 | Direct |
| May 2, 2024 | TMO | Stock Option (Right to Buy) | 14,300 | Direct |
| May 2, 2024 | TMO | Stock Option (Right to Buy) | 8,425 | Direct |
| May 2, 2024 | TMO | Stock Option (Right to Buy) | 7,698 | Direct |
| May 2, 2024 | TMO | Stock Option (Right to Buy) | 7,419 | Direct |
| May 2, 2024 | TMO | Stock Option (Right to Buy) | 9,077 | Direct |