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STX
Seagate Technology Holdings plc
SEC EDGAR ↗
Filter insider trades by type and date range
Trade Types
Buy
Sell
Exercise
Grant
Gift
Other
Range
3M
6M
1Y
Apply
Next Earnings
Nov 04, 2026
Net Activity (1Y)
-$245.8M
Net Activity (90D)
-$167.1M
Insider Activity Graph
(427 shown · 547 raw)
Green/Red bubbles = daily net insider value (size = magnitude), Blue line = daily close price, E = earnings-related SEC filing
$37.9M
$18.9M
$0
-$18.9M
-$37.9M
$96.65
$364.52
$632.38
$900.25
$1168.11
Oct '25
Dec '25
Feb '26
Apr '26
Jun '26
Aug '26
E
10-K filed 2026-08-04
E
10-Q filed 2026-04-29
E
10-Q filed 2026-01-30
E
10-Q filed 2025-10-31
2026-03-19: Buy $0 · Sell $10.0M · Net -$10.0M
2026-04-01: Buy $0 · Sell $8.4M · Net -$8.4M
2026-05-04: Buy $0 · Sell $4.7M · Net -$4.7M
2026-05-05: Buy $0 · Sell $1.2M · Net -$1.2M
2026-05-06: Buy $0 · Sell $17.4M · Net -$17.4M
2026-05-07: Buy $0 · Sell $1.5M · Net -$1.5M
2026-05-13: Buy $0 · Sell $6.1M · Net -$6.1M
2026-05-14: Buy $0 · Sell $6.5M · Net -$6.5M
2026-05-20: Buy $0 · Sell $22.5M · Net -$22.5M
2026-06-01: Buy $0 · Sell $28.0M · Net -$28.0M
2026-06-02: Buy $0 · Sell $930K · Net -$930K
2026-06-04: Buy $0 · Sell $928K · Net -$928K
2026-06-10: Buy $0 · Sell $4.5M · Net -$4.5M
2026-06-12: Buy $0 · Sell $4.4M · Net -$4.4M
2026-07-01: Buy $0 · Sell $27.4M · Net -$27.4M
2026-07-23: Buy $0 · Sell $491K · Net -$491K
2026-07-30: Buy $0 · Sell $609K · Net -$609K
2026-08-03: Buy $0 · Sell $24.6M · Net -$24.6M
2026-08-07: Buy $0 · Sell $17.8M · Net -$17.8M
2026-08-13: Buy $0 · Sell $6.8M · Net -$6.8M
2026-08-20: Buy $0 · Sell $5.5M · Net -$5.5M
2026-08-21: Buy $0 · Sell $37.9M · Net -$37.9M
2026-08-24: Buy $0 · Sell $7.2M · Net -$7.2M
Insider trades for this company
Insider
Title
Type
Date ↓
Shares
Value
James Ci Lee
EVP & CLO
Sale
2026-08-24
9,013
$7.2M
William D Mosley
CEO
Sale
2026-08-21
18,138.5
$15.4M
Gianluca Romano
EVP & CFO
Sale
2026-08-21
9,076.25
$7.7M
James Ci Lee
EVP & CLO
Sale
2026-08-21
3,938.75
$3.3M
John Christopher Morris
EVP & CTO
Sale
2026-08-21
3,515.5
$3.0M
Ban Seng Teh
EVP & Chief Commercial Officer
Sale
2026-08-21
9,862
$8.4M
John Christopher Morris
EVP & CTO
Sale
2026-08-20
523
$437K
Ban Seng Teh
EVP & Chief Commercial Officer
Sale
2026-08-20
6,048
$5.1M
Ban Seng Teh
EVP & Chief Commercial Officer
Sale
2026-08-13
7,361
$6.8M
Gianluca Romano
EVP & CFO
Sale
2026-08-07
22,211
$17.8M
John Christopher Morris
EVP & CTO
Sale
2026-08-03
168
$137K
William D Mosley
CEO
Sale
2026-08-03
30,000
$24.5M
James Ci Lee
EVP & CLO
Sale
2026-07-30
694
$609K
James Ci Lee
EVP & CLO
Sale
2026-07-23
542.25
$491K
William D Mosley
CEO
Sale
2026-07-01
30,000
$27.4M
John Christopher Morris
EVP & CTO
Sale
2026-06-12
1,364
$1.2M
Ban Seng Teh
EVP & Chief Commercial Officer
Sale
2026-06-12
989
$871K
Gianluca Romano
EVP & CFO
Sale
2026-06-12
903.25
$795K
William D Mosley
CEO
Sale
2026-06-12
1,768.25
$1.6M
Ban Seng Teh
EVP & Chief Commercial Officer
Sale
2026-06-10
663
$545K
John Christopher Morris
EVP & CTO
Sale
2026-06-10
573.75
$471K
William D Mosley
CEO
Sale
2026-06-10
2,854.75
$2.3M
Gianluca Romano
EVP & CFO
Sale
2026-06-10
1,350.5
$1.1M
Shankar Arumugavelu
—
Sale
2026-06-04
1,000
$928K
Prat Bhatt
—
Sale
2026-06-02
1,000
$930K
Yolanda Lee Conyers
—
Sale
2026-06-01
750
$664K
William D Mosley
CEO
Sale
2026-06-01
30,000
$27.3M
William D Mosley
CEO
Sale
2026-05-20
30,000
$22.5M
Ban Seng Teh
EVP & Chief Commercial Officer
Sale
2026-05-14
8,003
$6.5M
Ban Seng Teh
EVP & Chief Commercial Officer
Sale
2026-05-13
7,557
$6.1M
Gianluca Romano
EVP & CFO
Sale
2026-05-07
1,902
$1.5M
Gianluca Romano
EVP & CFO
Sale
2026-05-06
22,488
$17.4M
Stephanie Tilenius
—
Sale
2026-05-05
1,580
$1.2M
John Christopher Morris
EVP & CTO
Sale
2026-05-04
5,626
$4.2M
James Ci Lee
EVP & CLO
Sale
2026-05-04
697
$517K
James Ci Lee
EVP & CLO
Tax Withhold
2026-04-22
540
$313K
William D Mosley
CEO
Sale
2026-04-01
20,000
$8.4M
William D Mosley
CEO
Sale
2026-03-19
24,584
$10.0M
View all 547 trades for STX →