William D. Mosley
Chief Executive Officer at Seagate Technology Holdings PLC
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 6 years
- Director since
- 2023
6 years of board service in total across 2 boards, counting each seat separately. Longest: Seagate Technology Holdings PLC, 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Cirrus Logic Inc. July 31, 202697.0%
-
Cirrus Logic Inc. July 29, 202597.3%
-
Cirrus Logic Inc. July 26, 202499.6%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Nov 2, 2026 | Seagate Technology Holdings PLC | Option exercise | +14,000 | $46.23 | $647,220 |
| Nov 2, 2026 | Seagate Technology Holdings PLC | Open-market sale | −960 | $617.67 | $592,961 |
| Nov 2, 2026 | Seagate Technology Holdings PLC | Open-market sale | −720 | $587.99 | $423,354 |
| Nov 2, 2026 | Seagate Technology Holdings PLC | Open-market sale | −760 | $618.80 | $470,286 |
| Nov 2, 2026 | Seagate Technology Holdings PLC | Open-market sale | −600 | $589.27 | $353,561 |
| Nov 2, 2026 | Seagate Technology Holdings PLC | Open-market sale | −1,160 | $619.60 | $718,732 |
| Nov 2, 2026 | Seagate Technology Holdings PLC | Open-market sale | −800 | $590.40 | $472,318 |
| Nov 2, 2026 | Seagate Technology Holdings PLC | Open-market sale | −720 | $620.80 | $446,978 |
| Nov 2, 2026 | Seagate Technology Holdings PLC | Open-market sale | −280 | $591.23 | $165,545 |
| Nov 2, 2026 | Seagate Technology Holdings PLC | Open-market sale | −1,080 | $621.89 | $671,646 |
| Nov 2, 2026 | Seagate Technology Holdings PLC | Open-market sale | −1,400 | $592.71 | $829,794 |
| Nov 2, 2026 | Seagate Technology Holdings PLC | Open-market sale | −240 | $623.01 | $149,522 |
| Nov 2, 2026 | Seagate Technology Holdings PLC | Open-market sale | −1,639 | $593.47 | $972,692 |
| Nov 2, 2026 | Seagate Technology Holdings PLC | Open-market sale | −640 | $623.91 | $399,302 |
| Nov 2, 2026 | Seagate Technology Holdings PLC | Open-market sale | −1,480 | $594.55 | $879,929 |
Questions about William D. Mosley
What boards is William D. Mosley on?
William D. Mosley sits on the boards of Cirrus Logic Inc. and Seagate Technology Holdings PLC.
What company is William D. Mosley the CEO of?
William D. Mosley is Chief Executive Officer of Seagate Technology Holdings PLC.
How long has William D. Mosley served on boards?
Our records show at least 6 years of board service across 2 boards, the earliest from 2023.
Reviews (0)
Sign in to write a review.
No reviews yet. Be the first to write one.