Insider Transactions in Q4 2025 at Seagate Technology Holdings PLC (STX)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Nov 11
2025
|
Ban Seng Teh EVP & Chief Commercial Officer |
SELL
Open market or private sale
|
Direct |
1,412
-10.5%
|
$406,656
$288.98 P/Share
|
|
Nov 11
2025
|
Ban Seng Teh EVP & Chief Commercial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
1,412
+5.1%
|
$93,192
$66.57 P/Share
|
|
Nov 11
2025
|
James Ci Lee EVP & CLO |
SELL
Open market or private sale
|
Direct |
697
-73.06%
|
$200,736
$288.98 P/Share
|
|
Nov 10
2025
|
Shankar Arumugavelu Director |
SELL
Open market or private sale
|
Direct |
5,000
-39.6%
|
$1,470,000
$294.56 P/Share
|
|
Nov 05
2025
|
Ban Seng Teh EVP & Chief Commercial Officer |
SELL
Open market or private sale
|
Direct |
6,000
-33.26%
|
$1,620,000
$270.0 P/Share
|
|
Nov 03
2025
|
William D Mosley CEO |
SELL
Open market or private sale
|
Direct |
20,000
-0.32%
|
$5,220,000
$261.5 P/Share
|
|
Nov 03
2025
|
Stephanie Tilenius Director |
SELL
Open market or private sale
|
Direct |
2,046
-14.32%
|
$544,236
$266.41 P/Share
|
|
Oct 31
2025
|
Jay L Geldmacher Director |
SELL
Open market or private sale
|
Direct |
1,250
-52.13%
|
$336,250
$269.1 P/Share
|
|
Oct 30
2025
|
Kian Fatt Chong EVP Global Operations |
SELL
Open market or private sale
|
Direct |
7,078
-100.0%
|
$1,925,216
$272.14 P/Share
|
|
Oct 22
2025
|
James Ci Lee EVP & CLO |
SELL
Payment of exercise price or tax liability
|
Direct |
540
-36.14%
|
$116,100
$215.05 P/Share
|
|
Oct 22
2025
|
James Ci Lee EVP & CLO |
BUY
Exercise of conversion of derivative security
|
Direct |
1,237
+45.29%
|
-
|
|
Oct 19
2025
|
Judy Bruner Director |
SELL
Payment of exercise price or tax liability
|
Indirect |
647
-4.32%
|
$145,575
$225.4 P/Share
|
|
Oct 19
2025
|
Judy Bruner Director |
BUY
Exercise of conversion of derivative security
|
Indirect |
2,693
+15.25%
|
-
|
|
Oct 19
2025
|
Shankar Arumugavelu Director |
SELL
Payment of exercise price or tax liability
|
Direct |
647
-4.87%
|
$145,575
$225.4 P/Share
|
|
Oct 19
2025
|
Shankar Arumugavelu Director |
BUY
Exercise of conversion of derivative security
|
Direct |
2,693
+16.87%
|
-
|
|
Oct 19
2025
|
Mark Adams Director |
SELL
Payment of exercise price or tax liability
|
Direct |
647
-24.03%
|
$145,575
$225.4 P/Share
|
|
Oct 19
2025
|
Mark Adams Director |
BUY
Exercise of conversion of derivative security
|
Direct |
2,693
+50.0%
|
-
|
|
Oct 19
2025
|
Jay L Geldmacher Director |
SELL
Payment of exercise price or tax liability
|
Direct |
647
-21.25%
|
$145,575
$225.4 P/Share
|
|
Oct 19
2025
|
Jay L Geldmacher Director |
BUY
Exercise of conversion of derivative security
|
Direct |
2,693
+46.93%
|
-
|
|
Oct 19
2025
|
Yolanda Lee Conyers Director |
SELL
Payment of exercise price or tax liability
|
Direct |
647
-9.25%
|
$145,575
$225.4 P/Share
|
|
Oct 19
2025
|
Yolanda Lee Conyers Director |
BUY
Exercise of conversion of derivative security
|
Direct |
2,693
+27.79%
|
-
|
|
Oct 19
2025
|
Richard L Clemmer Director |
SELL
Payment of exercise price or tax liability
|
Direct |
647
-2.13%
|
$145,575
$225.4 P/Share
|
|
Oct 19
2025
|
Richard L Clemmer Director |
BUY
Exercise of conversion of derivative security
|
Direct |
2,693
+8.15%
|
-
|
|
Oct 19
2025
|
Stephanie Tilenius Director |
SELL
Payment of exercise price or tax liability
|
Direct |
647
-4.33%
|
$145,575
$225.4 P/Share
|
|
Oct 19
2025
|
Stephanie Tilenius Director |
BUY
Exercise of conversion of derivative security
|
Direct |
2,693
+15.28%
|
-
|
|
Oct 19
2025
|
Dylan G. Haggart Director |
SELL
Payment of exercise price or tax liability
|
Direct |
647
-4.27%
|
$145,575
$225.4 P/Share
|
|
Oct 19
2025
|
Dylan G. Haggart Director |
BUY
Exercise of conversion of derivative security
|
Direct |
2,693
+15.08%
|
-
|
|
Oct 19
2025
|
Prat Bhatt Director |
SELL
Payment of exercise price or tax liability
|
Direct |
647
-4.46%
|
$145,575
$225.4 P/Share
|
|
Oct 19
2025
|
Prat Bhatt Director |
BUY
Exercise of conversion of derivative security
|
Direct |
2,693
+15.65%
|
-
|
|
Oct 19
2025
|
Michael R Cannon Director |
SELL
Payment of exercise price or tax liability
|
Direct |
823
-5.77%
|
$185,175
$225.4 P/Share
|
|
Oct 19
2025
|
Michael R Cannon Director |
BUY
Exercise of conversion of derivative security
|
Direct |
3,427
+19.37%
|
-
|
|
Oct 13
2025
|
Ban Seng Teh EVP & Chief Commercial Officer |
SELL
Open market or private sale
|
Direct |
1,410
-7.25%
|
$317,250
$225.56 P/Share
|
|
Oct 13
2025
|
Ban Seng Teh EVP & Chief Commercial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
1,410
+3.55%
|
$93,060
$66.57 P/Share
|
|
Oct 01
2025
|
William D Mosley CEO |
SELL
Open market or private sale
|
Direct |
20,000
-0.19%
|
$4,920,000
$246.53 P/Share
|