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$STX All transactions

Seagate Technology Holdings plc

▼ SELL 10b5-1 Plan

$ Value

$302K

Shares

800

Price

$378

Filed

Mar 3

Insider

Name

MOSLEY WILLIAM D

Title

CEO

CIK

0001388390

Roles

Director Officer

Transaction Details

Transaction Date

2026-03-02

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

413,897

Footnotes

All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 20, 2025. | These Ordinary Shares were sold in multiple trades at prices ranging from $375.25 to $376.13. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $376.37 to $376.91. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $377.45 to $378.37. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $378.69 to $379.68. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $379.89 to $380.83. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $380.95 to $381.92. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $381.99 to $382.98. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $383.05 to $384.00. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $384.05 to $384.93. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $385.11 to $386.02. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $387.35 to $387.64. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $389.61 to $390.49. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $391.68 to $392.58. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $392.95 to $393.73. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $394.26 to $395.19. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $395.77 to $396.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $397.51 to $397.70. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $401.89 to $402.43. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | These Ordinary Shares were sold in multiple trades at prices ranging from $404.64 to $405.36. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Filing Info

Accession No.

0001137789-26-000050

Form Type

4

Issuer CIK

0001137789

MOSLEY WILLIAM D's History

Date Ticker Type Value
2026-04-01 STX $40K
2026-04-01 STX $80K
2026-04-01 STX $40K
2026-04-01 STX $41K
2026-04-01 STX $82K
2026-04-01 STX $41K
2026-04-01 STX $124K
2026-04-01 STX $124K
2026-04-01 STX $332K
2026-04-01 STX $458K

Other Insiders at STX (90d)

Insider Bought Sold Last
MOSLEY WILLIAM D
CEO
$34.4M 2026-04-01
Geldmacher Jay L $414K 2026-01-30
Romano Gianluca
EVP & CFO
2026-03-11
Lee James CI
EVP & CLO
$235K 2026-04-22
Teh Ban Seng
EVP & Chief Commercial Officer
$8.9M 2026-03-11
Conyers Yolanda Lee $295K 2026-03-02
Chong Kian Fatt
EVP Global Operations
$2.4M 2026-03-11
Morris John Christopher
EVP & CTO
$141K 2026-03-13