Welcome to our dedicated page for Seagate Technology Hldngs Plc SEC filings (Ticker: STX), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Tracking how hyperscale cloud orders ripple through Seagate Technology’s balance sheet shouldn’t require wading through hundreds of pages of SEC jargon. Yet Seagate’s 10-K and 10-Q often bury drive-unit shipments, HAMR R&D spend, and inventory write-downs deep in footnotes. That’s the pain point.
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Seagate Technology Holdings plc (STX) reported a director transaction. On 10/19/2025, Director Yolanda Lee Conyers settled restricted share units into 2,693 Ordinary Shares at an exercise price of $0 (Code M). To cover taxes, 647 shares were withheld at a price of $225.4 (Code F). Following these actions, she beneficially owns 6,351 shares, held directly.
The RSUs were issued under the 2022 Equity Incentive Plan, with release conditions tied to service and the next annual general meeting or one year from grant, as described.
Seagate Technology (STX) director reported equity transactions on 10/19/2025. The filing shows the settlement of 2,693 RSUs into ordinary shares at $0 (code M), followed by the disposition of 647 shares at $225.4 (code F) to cover taxes. Following these transactions, the director holds 2,398 ordinary shares directly.
The RSUs were granted for no consideration under the 2022 Equity Incentive Plan. Shares are scheduled to be released on the earlier of one year from the grant date or the next annual general meeting after the fiscal year ending June 27, 2025, provided it is at least 50 weeks after the prior annual meeting.
Seagate Technology Holdings plc (STX) reported a Form 4 for a director reflecting an equity award and related tax withholding on 10/19/2025. The filing shows the conversion of 2,693 restricted share units into Ordinary Shares (code M), followed by the acquisition of 2,693 Ordinary Shares at $0 and the disposition of 647 shares (code F) at $225.4 per share for tax withholding. Following these transactions, the director held 2,046 Ordinary Shares directly.
The RSUs were granted under the company’s 2022 Equity Incentive Plan for no consideration. Subject to continuous service, shares will be released on the earlier of one year from the grant date or the next annual general meeting following the fiscal year ending on June 27, 2025, provided that meeting is at least fifty weeks after the prior fiscal year’s annual meeting.
Seagate Technology (STX): Form 4 insider transaction. EVP & Chief Commercial Officer Ban Seng Teh exercised options for 532 shares at $68.83 and 878 shares at $64.31 on 10/13/2025, then sold 1,410 ordinary shares at $225.56. Following these transactions, he held 18,041 shares directly. All transactions were made under a Rule 10b5-1 trading plan adopted on October 31, 2024.
Seagate Technology Holdings plc issued a definitive additional proxy supplement that amends two sections of its 2025 proxy. It replaces the “Potential Payments Upon Termination of Employment” table to revise amounts for Chief Commercial Officer Ban Seng Teh and updates the beneficial ownership table to revise the number of options exercisable within 60 days for Chief Financial Officer Gianluca Romano.
Based on a June 27, 2025 share price assumption of $141.44, estimated totals for a Qualifying Termination within a change in control period are $64,203,773 for CEO William D. Mosley, $34,768,981 for CFO Gianluca Romano, and $17,660,530 for CCO Ban Seng Teh. As context, ordinary shares outstanding were 212,967,321 as of August 22, 2025.
William D. Mosley, who is listed as a Director and CEO of Seagate Technology Holdings plc (STX), reported multiple open-market sales of ordinary shares on 10/01/2025 under a Rule 10b5-1 trading plan adopted on February 20, 2025. The Form 4 lists 22 separate sale entries totaling 20,000 shares sold at weighted-average prices for each lot. The reported sale prices across the transactions range from a weighted average near $234 up to $258.15, and the explanatory notes state execution price ranges from $233.76 to $258.15. Following the last reported trade, the filings show the reporting person beneficially owned 485,668 ordinary shares.
Form 144 notice for Seagate Technology Holdings plc (STX) discloses a proposed sale of 20,000 common shares through Morgan Stanley Smith Barney LLC on NASDAQ with an aggregate market value of $4,721,200 and shares outstanding of 212,677,178. The shares were acquired as RSUs/PSUs on 09/09/2024 (20,000 shares) with payment recorded the same day. The filing also reports two Rule 10b5-1 sales attributed to William Mosley: 20,000 shares sold on 09/02/2025 for $3,379,482 and 20,000 shares sold on 08/01/2025 for $3,074,962. The filer represents no undisclosed material adverse information and indicates reliance on 10b5-1 where applicable.
Seagate Technology Holdings plc (STX) reporting person John C. Morris (EVP & CTO) disclosed a sale of ordinary shares on 09/16/2025. The filing shows 377 shares were sold at a price of $211.26 per share under a Rule 10b5-1 trading plan adopted on June 1, 2025. After the transaction the reporting person beneficially owned 13,238 shares, held directly. The Form 4 was signed by an attorney-in-fact on 09/17/2025. The filing contains no derivative transactions and provides only the non-derivative sale details and the 10b5-1 disclosure.
Seagate Technology Holdings plc (STX) Form 144 notifies a proposed sale under Rule 144 of 377 common shares through Morgan Stanley Smith Barney on NASDAQ with an aggregate market value of $79,592.24. The shares were acquired as Performance Stock Units on 09/14/2025 and payment/settlement is recorded the same day. The filer also reported 10b5-1 sales by John Morris totaling 15,347 shares on 09/12/2025 for gross proceeds of $3,004,950.76. The filing includes the required representation about absence of undisclosed material adverse information.
William D. Mosley, CEO and Director of Seagate Technology Holdings plc (STX), reported several equity transactions in a Form 4 filed for the period surrounding September 11–14, 2025. The filing shows awards and vesting of restricted share units and performance-based restricted share units, plus related disposals.
The report records acquisitions of 3,319 ordinary shares on 09/11/2025 and 65,170 ordinary shares on 09/14/2025, tied to restricted share units and performance share units that vested. Offsetting disposals total 34,609 shares (1,678 shares disposed at $196.81 on 09/11/2025 and 32,931 shares disposed at $195.99 on 09/14/2025). Following the reported transactions, Mosley beneficially owned 538,599 ordinary shares.
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