Seagate Technology (STX)CEO sold ~$333K

~$333K

Approx. value · 400 sh @ $832.73

297K

Holds after · shares reported

Traded

Aug 3, 2026

Filed

Aug 4, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Mar 27, 2026CongressDisclosed purchase of STX — reported range $1,001 - $15,000
2. Jun 4, 2026InsiderDirector sold ~$928K of STX shares in the open market
3. Jun 10, 2026Insider · 4 peopleInsiders: 7 sales (~$4.5M)
4. Jun 12, 2026Insider · 4 peopleInsiders: 5 sales (~$4.4M)
5. Jul 1, 2026Insider · 1 personInsiders: 44 sales (~$27.4M)
6. Jul 23, 2026InsiderOfficer sold ~$491K of STX shares in the open market
7. Jul 28, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
8. Jul 30, 2026InsiderOfficer sold ~$609K of STX shares in the open market
9. Jul 31, 20265% stakeVanguard Portfolio Management reported a passive stake (13G) of 3.6%
10. Aug 3, 2026 · this disclosureInsiderCEO sold ~$333K of STX shares in the open market

What came next

1. Aug 3, 2026Insider · 2 peopleInsiders: 19 sales (~$13.9M)
2. Aug 5, 20265% stakeSanders Capital, LLC reported a passive stake (13G) of 1.6%
3. Sep 2, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On September 2, 2026, Mr. Shankar Arumugavelu notified the Board of Directors (the “Board”) of Seagate Technology Holdings, plc (the “Company”) that he has decided not to stand for re-election to the Board at the Company’s 2026 Annual General Meeting of Shareholders (the “Annual Meeting”).”
4. Sep 8, 2026Company filing · Form 8-K · Unregistered shares, Reg FDSold new shares without registering them, and shared information with investors (and 1 more item)

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Seagate Technology

For Seagate Technology, OQRO holds 393 insider filings (SEC Form 4 or Form 144), 2 Congress trade reports and 62 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its STX page.

Other recent filings by William D Mosley, CEO

• SEC Form 4 at Seagate Technology (STX)Oct 3, 2026
• SEC Form 4 at Seagate Technology (STX)Oct 3, 2026
• SEC Form 4 at Seagate Technology (STX)Oct 3, 2026
• SEC Form 4 at Seagate Technology (STX)Oct 3, 2026
• SEC Form 4 at Seagate Technology (STX)Oct 3, 2026

The full history of William D Mosley, CEO is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Seagate Technology

• SEC Form 4Oct 3, 2026
• SEC Form 4Oct 3, 2026
• SEC Form 4Oct 3, 2026
• SEC Form 4Oct 3, 2026
• SEC Form 4Oct 3, 2026
• SEC Form 4Oct 3, 2026

Everything OQRO holds on this company is on its STX page.