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sellNotable cluster of 4

Lisa P. Britt sold $5.8M of TMO

Sr. VP and Chief HR Officer at THERMO FISHER SCIENTIFIC INC.. 10,225 shares at an average of $571.62, traded Nov 7, 2025, filed Nov 10, 2025.

Warning score
60
Value
$5.8M
10,225 shares
Holdings after
14,145
-64% from before
From 52-week low
+47%
low $388.54, close $570.41
From 52-week high
-5%
high $602.94, as of Nov 7, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $5.8M at market
    +25
  • Share of holdings sold
    Sold 64% of holdings
    +20
  • Cluster
    4 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

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 Nov 10, 2025: +14.6%SPY +15.5% · excess -0.9%

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 0000097745-25-000161, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 7, 2025SOpen-market sale
Common Stock
-1,750$571.40$1000k14,145Nov 10, 2025
Nov 7, 2025MOption exercise
Common Stock
+8,475$253.99$2.2M22,620Nov 10, 2025
Nov 7, 2025SOpen-market sale
Common Stock
-8,475$571.67$4.8M14,145Nov 10, 2025
Nov 7, 2025MOption exercise
Stock Option (Right to Buy)derivative
-8,475$0.00$00Nov 10, 2025

Related signals

Other insiders at THERMO FISHER SCIENTIFIC INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
15Weak
TMOsell10b5-1
THERMO FISHER SCIENTIFIC INC.
Gianluca Pettiti
President & COO
$2.5M
4,133 shares
-18%
50Moderate
TMOsell 3
THERMO FISHER SCIENTIFIC INC.
Michel Lagarde
Executive Vice President & COO
$12M
22,046 shares
-21%
65Notable
TMOsell 3
THERMO FISHER SCIENTIFIC INC.
Michel Lagarde
Executive Vice President & COO
$36M
62,000 shares
-104%
40Moderate
TMOsell 310b5-1
THERMO FISHER SCIENTIFIC INC.
Frederick M. Lowery
Executive Vice President
$8.2M
13,825 shares
-65%
30Weak
TMOsell 410b5-1
THERMO FISHER SCIENTIFIC INC.
Michael D Shafer
Executive Vice President
$6.4M
10,725 shares
-39%
50Moderate
TMOsell 4
THERMO FISHER SCIENTIFIC INC.
Lisa P. Britt
Sr. VP and Chief HR Officer
$622k
1,058 shares
-7%
50Moderate
TMOsell 4
THERMO FISHER SCIENTIFIC INC.
Michel Lagarde
Executive Vice President & COO
$2.8M
4,638 shares
-16%
25Weak
TMOsell 310b5-1
THERMO FISHER SCIENTIFIC INC.
Gianluca Pettiti
Executive Vice President
$1.7M
2,975 shares
-14%
35Weak
TMOsell 310b5-1
THERMO FISHER SCIENTIFIC INC.
Marc N Casper
Chairman & CEO
$14M
24,354 shares
-19%
23Weak
TMOsell 310b5-1
THERMO FISHER SCIENTIFIC INC.
Gianluca Pettiti
Executive Vice President
$230k
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.

Lisa P. Britt sold $5.8M of TMO | InsiderTell