sellWeak cluster of 510b5-1 plan
Marc N Casper sold $2.9M of TMO
Chairman & CEO at THERMO FISHER SCIENTIFIC INC.. 4,883 shares at an average of $586.12, traded Aug 7, 2026, filed Aug 10, 2026.
Warning score
30Value
$2.9M
4,883 shares
Holdings after
0
-4% from before
From 52-week low
+36%
low $437.57, close $593.55
From 52-week high
-7%
high $637.69, as of Aug 7, 2026
Score components
- +25RoleCEO
- +25Trade size$2.9M at market
- 0Share of holdings soldSold 3.9% 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.
TMOOct 9, 2026 · close 658.02
Since filing Aug 10, 2026: +9.8%SPY +0.9% · excess +8.9%
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 0001216055-26-000009, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 7, 2026 | MOption exercise Common Stock10b5-1 | +275 | $309.63 | $85k | 124,200 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stock10b5-1 | -6 | $577.37 | $3,464 | 124,194 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stock10b5-1 | -4 | $579.26 | $2,317 | 124,190 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stock10b5-1 | -2 | $579.27 | $1,159 | 124,188 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stock10b5-1 | -4 | $580.71 | $2,323 | 124,184 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stock10b5-1 | -3 | $580.72 | $1,742 | 124,181 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stock10b5-1 | -5 | $581.85 | $2,909 | 124,176 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stock10b5-1 | -2 | $581.86 | $1,164 | 124,174 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stock10b5-1 | -18 | $583.37 | $11k | 124,156 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stock10b5-1 | -63 | $584.40 | $37k | 124,093 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stock10b5-1 | -30 | $585.42 | $18k | 124,063 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stock10b5-1 | -58 | $586.53 | $34k | 124,005 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stock10b5-1 | -12 | $587.64 | $7,052 | 123,993 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stock10b5-1 | -32 | $589.51 | $19k | 123,961 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stock10b5-1 | -29 | $590.77 | $17k | 123,932 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stock10b5-1 | -7 | $593.32 | $4,153 | 123,925 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stockindirect: By Floral Park Associates, Inc.10b5-1 | -94 | $577.37 | $54k | 4,514 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stockindirect: By Floral Park Associates, Inc.10b5-1 | -114 | $579.26 | $66k | 4,400 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stockindirect: By Floral Park Associates, Inc.10b5-1 | -113 | $580.71 | $66k | 4,287 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stockindirect: By Floral Park Associates, Inc.10b5-1 | -113 | $581.85 | $66k | 4,174 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stockindirect: By Floral Park Associates, Inc.10b5-1 | -302 | $583.35 | $176k | 3,872 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stockindirect: By Floral Park Associates, Inc.10b5-1 | -1,035 | $584.41 | $605k | 2,837 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stockindirect: By Floral Park Associates, Inc.10b5-1 | -530 | $585.44 | $310k | 2,307 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stockindirect: By Floral Park Associates, Inc.10b5-1 | -945 | $586.52 | $554k | 1,362 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stockindirect: By Floral Park Associates, Inc.10b5-1 | -228 | $587.64 | $134k | 1,134 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stockindirect: By Floral Park Associates, Inc.10b5-1 | -522 | $589.52 | $308k | 612 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stockindirect: By Floral Park Associates, Inc.10b5-1 | -495 | $590.78 | $292k | 117 | Aug 10, 2026 |
| Aug 7, 2026 | SOpen-market sale Common Stockindirect: By Floral Park Associates, Inc.10b5-1 | -117 | $593.31 | $69k | 0 | Aug 10, 2026 |
| Aug 7, 2026 | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -275 | $0.00 | $0 | 20,275 | Aug 10, 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% | |
| 35Weak | THERMO FISHER SCIENTIFIC INC. | Marc N Casper Chairman & CEO | $13M 20,000 shares | -15% | |
| 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% | |
| 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.