Marc N Casper sold $13M of TMO
Chairman & CEO at THERMO FISHER SCIENTIFIC INC.. 20,000 shares at an average of $628.09, traded Aug 20, 2026, filed Aug 24, 2026.
Score components
- +25RoleCEO
- +25Trade size$12.6M at market
- +5Share of holdings soldSold 15% of holdings
- +15Cluster5 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0000097745-26-000152, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 20, 2026 | MOption exercise Common Stock10b5-1 | +10,000 | $309.63 | $3.1M | 133,925 | Aug 24, 2026 |
| Aug 20, 2026 | SOpen-market sale Common Stock10b5-1 | -909 | $625.45 | $569k | 133,016 | Aug 24, 2026 |
| Aug 20, 2026 | SOpen-market sale Common Stock10b5-1 | -821 | $626.83 | $515k | 132,195 | Aug 24, 2026 |
| Aug 20, 2026 | SOpen-market sale Common Stock10b5-1 | -1,314 | $627.66 | $825k | 130,881 | Aug 24, 2026 |
| Aug 20, 2026 | SOpen-market sale Common Stock10b5-1 | -2,601 | $628.82 | $1.6M | 128,280 | Aug 24, 2026 |
| Aug 20, 2026 | SOpen-market sale Common Stock10b5-1 | -1,250 | $629.85 | $787k | 127,030 | Aug 24, 2026 |
| Aug 20, 2026 | SOpen-market sale Common Stock10b5-1 | -1,035 | $630.87 | $653k | 125,995 | Aug 24, 2026 |
| Aug 20, 2026 | SOpen-market sale Common Stock10b5-1 | -1,430 | $632.01 | $904k | 124,565 | Aug 24, 2026 |
| Aug 20, 2026 | SOpen-market sale Common Stock10b5-1 | -560 | $632.94 | $354k | 124,005 | Aug 24, 2026 |
| Aug 20, 2026 | SOpen-market sale Common Stock10b5-1 | -80 | $633.99 | $51k | 123,925 | Aug 24, 2026 |
| Aug 21, 2026 | MOption exercise Common Stock10b5-1 | +10,000 | $309.63 | $3.1M | 133,925 | Aug 24, 2026 |
| Aug 21, 2026 | SOpen-market sale Common Stock10b5-1 | -2,727 | $625.46 | $1.7M | 131,198 | Aug 24, 2026 |
| Aug 21, 2026 | SOpen-market sale Common Stock10b5-1 | -3,014 | $626.51 | $1.9M | 128,184 | Aug 24, 2026 |
| Aug 21, 2026 | SOpen-market sale Common Stock10b5-1 | -1,791 | $627.39 | $1.1M | 126,393 | Aug 24, 2026 |
| Aug 21, 2026 | SOpen-market sale Common Stock10b5-1 | -2,147 | $628.61 | $1.3M | 124,246 | Aug 24, 2026 |
| Aug 21, 2026 | SOpen-market sale Common Stock10b5-1 | -321 | $629.10 | $202k | 123,925 | Aug 24, 2026 |
| Aug 20, 2026 | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -10,000 | $0.00 | $0 | 10,275 | Aug 24, 2026 |
| Aug 21, 2026 | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -10,000 | $0.00 | $0 | 275 | Aug 24, 2026 |
Related signals
Other insiders at THERMO FISHER SCIENTIFIC INC. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 30Weak | THERMO FISHER SCIENTIFIC INC. | Gianluca Pettiti President & COO | $2.5M 4,133 shares | -18% | |
| 16Weak | THERMO FISHER SCIENTIFIC INC. | Marc N Casper Chairman & CEO | $172k 275 shares | -0% | |
| 50Moderate | THERMO FISHER SCIENTIFIC INC. | Lisa P. Britt Sr. VP and Chief HR Officer | $7.0M 11,440 shares | -44% | |
| 40Moderate | THERMO FISHER SCIENTIFIC INC. | Michael D Shafer Executive Vice President | $15M 25,500 shares | -79% | |
| 30Weak | THERMO FISHER SCIENTIFIC INC. | Marc N Casper Chairman & CEO | $2.9M 4,883 shares | -4% | |
| 33Weak | THERMO FISHER SCIENTIFIC INC. | Joseph R. Holmes VP & Chief Accounting Officer | $246k 420 shares | -12% | |
| 50Moderate | THERMO FISHER SCIENTIFIC INC. | Lisa P. Britt Sr. VP and Chief HR Officer | $3.4M 5,850 shares | -28% | |
| 35Weak | THERMO FISHER SCIENTIFIC INC. | Marc N Casper Chairman & CEO | $8.6M 15,000 shares | -11% | |
| 35Weak | THERMO FISHER SCIENTIFIC INC. | Marc N Casper Chairman & CEO | $8.6M 15,000 shares | -11% | |
| 28Weak | THERMO FISHER SCIENTIFIC INC. | Gianluca Pettiti President & COO | $226k 400 shares | -2% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.