Mosley William D's Form 4 filing
Seagate Technology Holdings plcSTX · filed Oct 2, 2026
- Accession no.
- 0001137789-26-000262
- Filed
- Oct 2, 2026, 4:07 PM ET
- Trade date
- Oct 1, 2026
- Filing delay
- 1 day
- Rule 10b5-1 plan
- Checked
This filing lists 16 non-derivative transactions. Open-market sales total $10.3M. It was filed 1 day 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 |
|---|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | Ordinary Shares | SSaleDisposed | −360 | $929.01F2 | −$334,443.2 | 372,750.25 | Direct | |
| Oct 1, 2026 | Ordinary Shares | SSaleDisposed | −855 | $930.03F3 | −$795,178.56 | 371,895.25 | Direct | |
| Oct 1, 2026 | Ordinary Shares | SSaleDisposed | −1,665 | $930.99F4 | −$1,550,105.01 | 370,230.25 | Direct | |
| Oct 1, 2026 | Ordinary Shares | SSaleDisposed | −1,320 | $932.04F5 | −$1,230,288.58 | 368,910.25 | Direct | |
| Oct 1, 2026 | Ordinary Shares | SSaleDisposed | −840 | $933.28F6 | −$783,952.01 | 368,070.25 | Direct | |
| Oct 1, 2026 | Ordinary Shares | SSaleDisposed | −822 | $934.35F7 | −$768,036.77 | 367,248.25 | Direct | |
| Oct 1, 2026 | Ordinary Shares | SSaleDisposed | −640 | $935.15F8 | −$598,495.62 | 366,608.25 | Direct | |
| Oct 1, 2026 | Ordinary Shares | SSaleDisposed | −759 | $936.43F9 | −$710,750.29 | 365,849.25 | Direct | |
| Oct 1, 2026 | Ordinary Shares | SSaleDisposed | −579 | $937.33F10 | −$542,713.2 | 365,270.25 | Direct | |
| Oct 1, 2026 | Ordinary Shares | SSaleDisposed | −640 | $938.32F11 | −$600,524.42 | 364,630.25 | Direct | |
| Oct 1, 2026 | Ordinary Shares | SSaleDisposed | −720 | $939.27F12 | −$676,274.83 | 363,910.25 | Direct | |
| Oct 1, 2026 | Ordinary Shares | SSaleDisposed | −80 | $940.20F13 | −$75,216 | 363,830.25 | Direct | |
| Oct 1, 2026 | Ordinary Shares | SSaleDisposed | −40 | $941.22 | −$37,648.8 | 363,790.25 | Direct | |
| Oct 1, 2026 | Ordinary Shares | SSaleDisposed | −280 | $943.21F14 | −$264,099.61 | 363,510.25 | Direct | |
| Oct 1, 2026 | Ordinary Shares | SSaleDisposed | −440 | $944.81F15 | −$415,714.82 | 363,070.25 | Direct | |
| Oct 1, 2026 | Ordinary Shares | SSaleDisposed | −962 | $945.97F16 | −$910,022.76 | 362,108.25 | 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 $928.44 to $929.30. 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 $929.51 to $930.50. 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 $930.53 to $931.48. 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 $931.56 to $932.55. 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 $932.73 to $933.67. 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 $933.77 to $934.76. 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.
- F8
These Ordinary Shares were sold in multiple trades at prices ranging from $934.83 to $935.70. 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.
Referenced by the price of 1 transaction in Table I.
- F9
These Ordinary Shares were sold in multiple trades at prices ranging from $935.84 to $936.80. 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 $936.88 to $937.83. 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 $937.91 to $938.67. 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 $938.92 to $939.89. 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.
- F13
These Ordinary Shares were sold in multiple trades at prices ranging from $940.19 to $940.21. 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 $942.72 to $943.68. 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.
- F15
These Ordinary Shares were sold in multiple trades at prices ranging from $944.50 to $945.46. 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.
- F16
These Ordinary Shares were sold in multiple trades at prices ranging from $945.60 to $946.34. 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.