William Mosley sold $75.6M of STX stock
By AlphaYouPublished Form 4
MOSLEY WILLIAM D
Reporting filer
William Mosley reported selling 97,889 shares of Seagate Technology Holdings plc for about $75.6M ($772.14 a share on average). Form 4 filed Sep 16, 2026 lists 3 entries.
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- Disclosed
- Sep 16, 2026
Reported details
3 entries| Security | Owner | Date | Code | Action | Quantity | Price | Following holdings | Reporting delay | Filed terms and references |
|---|---|---|---|---|---|---|---|---|---|
| Ordinary Shares | MOSLEY WILLIAM D | 2026-09-14 | M | Exercise or conversion | 177000 | 0 | 475,997.5 | 2 days | Filed terms
|
| Ordinary Shares | MOSLEY WILLIAM D | 2026-09-15 | S | Sale | 97889.25 | 772.1432 | 378,108.25 | 1 day | Filed terms
|
| Performance-Based Restricted Share Units (derivative) | MOSLEY WILLIAM D | 2026-09-14 | M | Exercise or conversion | 177000 | 0 | 0 | 2 days | Filed terms
|
Ordinary Shares
- Owner
- MOSLEY WILLIAM D
- Date
- 2026-09-14
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 177000
- Price
- 0
- Following holdings
- 475,997.5
- Reporting delay
- 2 days
- Filed terms and references
Filed terms
- security Title: Ordinary Shares
- transaction Date: 2026-09-14
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- transaction Shares: 177000
- id: F1
- transaction Price Per Share: 0
- transaction Acquired Disposed Code: A
- shares Owned Following Transaction: 475997.5
- direct Or Indirect Ownership: D
Ordinary Shares
- Owner
- MOSLEY WILLIAM D
- Date
- 2026-09-15
- Code
- S
- Action
- Sale
- Quantity
- 97889.25
- Price
- 772.1432
- Following holdings
- 378,108.25
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Ordinary Shares
- transaction Date: 2026-09-15
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- transaction Shares: 97889.25
- id: F2
- transaction Price Per Share: 772.1432
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 378108.25
- direct Or Indirect Ownership: D
Performance-Based Restricted Share Units (derivative)
- Owner
- MOSLEY WILLIAM D
- Date
- 2026-09-14
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 177000
- Price
- 0
- Following holdings
- 0
- Reporting delay
- 2 days
- Filed terms and references
Filed terms
- security Title: Performance-Based Restricted Share Units
- conversion Or Exercise Price: 0
- transaction Date: 2026-09-14
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- transaction Shares: 177000
- transaction Price Per Share: 0
- transaction Acquired Disposed Code: D
- id: F3
- id: F3
- underlying Security Title: Ordinary Shares
- underlying Security Shares: 177000
- shares Owned Following Transaction: 0
- direct Or Indirect Ownership: D
Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.
Filing context
- Quantities and prices are shown in the units filed. No trade value is inferred from their product.
- MOSLEY WILLIAM D: CEO, Director.
- F1: Represents Ordinary Shares issued upon the vesting and settlement of Performance Share Units granted on September 11, 2023, following certification by the Compensation and People Committee of the achievement of the applicable performance conditions.
- F2: Represents sales made pursuant to Issuer mandated sell-to-cover solely to satisfy tax withholding obligations.
- F3: Performance Share Units granted on September 11, 2023 vested and were settled in Ordinary Shares upon certification of the applicable performance conditions by the Compensation and People Committee.
Original sources
Prepared automatically from public filing data. Report a correction.