Mosley William D's Form 4 filing
Seagate Technology Holdings plc (STX) · filed Nov 5, 2025
- Accession no.
- 0001137789-25-000328
- Filed
- Nov 5, 2025
- Trade date
- Nov 3, 2025
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 13 non-derivative transactions. Open-market sales total $5.26M. It was filed 2 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Mosley William DCIK 0001388390 | Director, Officer (CEO) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Nov 3, 2025 | Ordinary Shares | SSaleDisposed | −1,500 | $254.44F2 | −$381,660 | 484,168 | Direct | |
| Nov 3, 2025 | Ordinary Shares | SSaleDisposed | −1,400 | $255.98F3 | −$358,372 | 482,768 | Direct | |
| Nov 3, 2025 | Ordinary Shares | SSaleDisposed | −1,000 | $256.99F4 | −$256,990 | 481,768 | Direct | |
| Nov 3, 2025 | Ordinary Shares | SSaleDisposed | −1,200 | $258.08F5 | −$309,696 | 480,568 | Direct | |
| Nov 3, 2025 | Ordinary Shares | SSaleDisposed | −1,000 | $258.96F6 | −$258,960 | 479,568 | Direct | |
| Nov 3, 2025 | Ordinary Shares | SSaleDisposed | −599 | $260.32F7 | −$155,931.68 | 478,969 | Direct | |
| Nov 3, 2025 | Ordinary Shares | SSaleDisposed | −400 | $261.58F8 | −$104,632 | 478,569 | Direct | |
| Nov 3, 2025 | Ordinary Shares | SSaleDisposed | −600 | $262.21F9 | −$157,326 | 477,969 | Direct | |
| Nov 3, 2025 | Ordinary Shares | SSaleDisposed | −400 | $263.58F10 | −$105,432 | 477,569 | Direct | |
| Nov 3, 2025 | Ordinary Shares | SSaleDisposed | −4,194 | $265.44F11 | −$1,113,255.36 | 473,375 | Direct | |
| Nov 3, 2025 | Ordinary Shares | SSaleDisposed | −5,506 | $266.25F12 | −$1,465,972.5 | 467,869 | Direct | |
| Nov 3, 2025 | Ordinary Shares | SSaleDisposed | −1,901 | $267.04F13 | −$507,643.04 | 465,968 | Direct | |
| Nov 3, 2025 | Ordinary Shares | SSaleDisposed | −300 | $268.65F14 | −$80,595 | 465,668 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F2
These Ordinary Shares were sold in multiple trades at prices ranging from $253.95 to $254.89. 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.
Referenced by the price of 1 transaction in Table I.
- F3
These Ordinary Shares were sold in multiple trades at prices ranging from $255.60 to $256.54. 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.
Referenced by the price of 1 transaction in Table I.
- F4
These Ordinary Shares were sold in multiple trades at prices ranging from $256.60 to $257.52. 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.
Referenced by the price of 1 transaction in Table I.
- F5
These Ordinary Shares were sold in multiple trades at prices ranging from $257.64 to $258.47. 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.
Referenced by the price of 1 transaction in Table I.
- F6
These Ordinary Shares were sold in multiple trades at prices ranging from $258.72 to $259.60. 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.
Referenced by the price of 1 transaction in Table I.
- F7
These Ordinary Shares were sold in multiple trades at prices ranging from $260.00 to $260.65. 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.
Referenced by the price of 1 transaction in Table I.
- F8
These Ordinary Shares were sold in multiple trades at prices ranging from $261.04 to $261.90. 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.
Referenced by the price of 1 transaction in Table I.
- F9
These Ordinary Shares were sold in multiple trades at prices ranging from $262.05 to $262.37. 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.
Referenced by the price of 1 transaction in Table I.
- F10
These Ordinary Shares were sold in multiple trades at prices ranging from $263.07 to $263.83. 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.
Referenced by the price of 1 transaction in Table I.
- F11
These Ordinary Shares were sold in multiple trades at prices ranging from $264.77 to $265.76. 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.
Referenced by the price of 1 transaction in Table I.
- F12
These Ordinary Shares were sold in multiple trades at prices ranging from $265.77 to $266.73. 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.
Referenced by the price of 1 transaction in Table I.
- F13
These Ordinary Shares were sold in multiple trades at prices ranging from $266.78 to $267.68. 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.
Referenced by the price of 1 transaction in Table I.
- F14
These Ordinary Shares were sold in multiple trades at prices ranging from $268.37 to $269.00. 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.
Referenced by the price of 1 transaction in Table I.