Stephen Williamson is Sr. VP and CFO of THERMO FISHER SCIENTIFIC INC.. Currently has a direct ownership of 35,237 shares of TMO, which is worth approximately $19 Million. The most recent transaction as insider was on Feb 19, 2025, when has been sold 7,942 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 35.2K
90.98% 3M change
5.41% 12M change
Total Value Held $19 Million

Stephen Williamson Transaction History

Date Transaction Value Shares Traded Shares Held Form
Feb 19 2025
BUY
Grant, award, or other acquisition
-
7,942 Added 18.39%
35,237 Common Stock
Feb 04 2025
SELL
Open market or private sale
$5,753,421 $585.59 p/Share
9,825 Reduced 26.47%
27,295 Common Stock
Feb 04 2025
BUY
Exercise of conversion of derivative security
$2,495,451 $253.99 p/Share
9,825 Added 20.93%
37,120 Common Stock
Feb 03 2025
SELL
Open market or private sale
$5,827,502 $593.13 p/Share
9,825 Reduced 26.47%
27,295 Common Stock
Feb 03 2025
BUY
Exercise of conversion of derivative security
$2,495,451 $253.99 p/Share
9,825 Added 20.93%
37,120 Common Stock
Aug 28 2024
SELL
Payment of exercise price or tax liability
$330,482 $613.14 p/Share
539 Reduced 2.84%
18,451 Common Stock
Aug 23 2024
SELL
Payment of exercise price or tax liability
$246,084 $606.12 p/Share
406 Reduced 2.09%
18,992 Common Stock
May 28 2024
SELL
Bona fide gift
-
1,112 Reduced 5.42%
19,398 Common Stock
May 14 2024
SELL
Bona fide gift
-
15,971 Reduced 43.78%
20,510 Common Stock
May 13 2024
SELL
Open market or private sale
$12,963,594 $591.27 p/Share
21,925 Reduced 37.54%
36,481 Common Stock
May 13 2024
BUY
Exercise of conversion of derivative security
$4,619,159 $210.68 p/Share
21,925 Added 27.29%
58,406 Common Stock
Feb 28 2024
SELL
Payment of exercise price or tax liability
$441,035 $572.03 p/Share
771 Reduced 2.07%
36,481 Common Stock
Feb 23 2024
SELL
Payment of exercise price or tax liability
$230,401 $564.71 p/Share
408 Reduced 1.08%
37,253 Common Stock
Feb 21 2024
BUY
Grant, award, or other acquisition
-
1,966 Added 4.93%
37,906 Common Stock
Aug 28 2023
SELL
Payment of exercise price or tax liability
$157,014 $545.19 p/Share
288 Reduced 1.09%
26,084 Common Stock
Aug 25 2023
SELL
Payment of exercise price or tax liability
$331,994 $541.59 p/Share
613 Reduced 2.27%
26,373 Common Stock
Aug 23 2023
SELL
Payment of exercise price or tax liability
$221,367 $545.24 p/Share
406 Reduced 1.48%
26,986 Common Stock
Aug 01 2023
SELL
Open market or private sale
$7,755,000 $550.0 p/Share
14,100 Reduced 33.98%
27,393 Common Stock
Aug 01 2023
BUY
Exercise of conversion of derivative security
$2,687,319 $190.59 p/Share
14,100 Added 25.36%
41,493 Common Stock
Jul 31 2023
SELL
Open market or private sale
$8,361,299 $557.42 p/Share
15,000 Reduced 35.38%
27,393 Common Stock
Jul 31 2023
BUY
Exercise of conversion of derivative security
$2,858,850 $190.59 p/Share
15,000 Added 26.14%
42,393 Common Stock
Feb 28 2023
SELL
Payment of exercise price or tax liability
$452,369 $541.76 p/Share
835 Reduced 2.96%
27,393 Common Stock
Feb 23 2023
SELL
Payment of exercise price or tax liability
$908,516 $550.95 p/Share
1,649 Reduced 5.52%
28,228 Common Stock
Feb 22 2023
BUY
Grant, award, or other acquisition
-
6,694 Added 18.3%
29,877 Common Stock
Nov 17 2022
SELL
Bona fide gift
-
468 Reduced 1.98%
23,183 Common Stock

Also insider at

IFF
INTERNATIONAL FLAVORS & FRAGRANCES INC Basic Materials
SW

Stephen Williamson

Sr. VP and CFO
Waltham, MA

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