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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 505,668 ordinary shares.
Seagate Technology Holdings plc (STX) insider report for John C. Morris shows multiple transactions in September 2025 under an existing Rule 10b5-1 plan and equity awards vesting. On 09/11/2025 the reporting person acquired 941 ordinary shares via restricted share units and on 09/14/2025 6,935 performance-based restricted share units vested and were acquired. Concurrently, the reporting person sold multiple blocks of ordinary shares across 09/11/2025 and 09/12/2025 at weighted average prices ranging roughly from $193.33 to $198.22, with several specific weighted-average prices disclosed.
The Form 4 discloses that many sales on 09/11/2025 were executed pursuant to a Rule 10b5-1 trading plan adopted June 1, 2025. Following the reported transactions, beneficial ownership declined from 25,620 shares before sales to 13,615 shares after the final reported sale on 09/14/2025, with derivative holdings shown for vested units totaling 7,535 RSUs.
Seagate Technology Holdings plc (STX) reporting shows Kian Fatt Chong, EVP Global Operations, received equity awards that vested in September 2025. On 09/11/2025 he was credited with 678 Ordinary Shares related to restricted share units and on 09/14/2025 2,016 Ordinary Shares vested after the Compensation Committee determined performance conditions were met. The filing lists 5,062 and 7,078 Ordinary Shares as the amounts beneficially owned following the 09/11 and 09/14 transactions, respectively. The Form 4 is signed by an attorney-in-fact on behalf of Chong on 09/15/2025. The awards were granted under the Seagate Technology plc 2022 Equity Incentive Plan.
Seagate Technology Holdings plc (STX): This Form 4 reports insider transactions by Ban Seng Teh, EVP & Chief Commercial Officer. On 09/11/2025 the reporting person acquired a mix of restricted share units and non-qualified options that vested or were exercised (989 RSUs; 533 NQ options at $68.83; 313 NQ options at $87.34; 879 NQ options at $64.31) and sold 3,732 ordinary shares at $193.30, leaving 4,172 shares owned after that sale. On 09/14/2025 the Compensation Committee certified performance conditions and 13,869 performance-based restricted share units vested and were acquired. A Rule 10b5-1 trading plan, adopted October 31, 2024, governed the option exercises and the sale.
Gianluca Romano, EVP & CFO of Seagate Technology Holdings plc, reported multiple equity transactions on 09/09/2025. The filing shows a combination of restricted share units (RSUs) that vested and ordinary shares sold. Total RSU awards vested and converted into 13,072 ordinary shares via several vesting events and an additional 114 shares were purchased under the company ESPP on 07/31/2025 (exempt under Rule 16b-3). On the same date Romano disposed of 6,608 ordinary shares at $191.59 per share. Following the reported transactions, Romano beneficially owned 45,971 ordinary shares, held directly.
John C. Morris, EVP & CTO of Seagate Technology Holdings plc (STX), filed a Form 4 reporting stock award vesting and share transactions on 09/09/2025. The filing shows multiple grants of restricted share units (RSUs) that vested or partially vested on that date, converting to ordinary shares at no cash price, and contemporaneous market sales of ordinary shares at $191.59 per share. The reported transactions resulted in the reporting person holding 24,679 ordinary shares direct after the activity. The filer also updated prior reporting to include 8,676 shares held continuously but omitted earlier due to an administrative oversight. The Form 4 was signed by an attorney-in-fact on behalf of the reporting person.
William D. Mosley, who is listed as both a Director and the CEO of Seagate Technology Holdings plc (STX), reported multiple transactions in the company's ordinary shares and related restricted share units on 09/09/2025.
The Form 4 shows a mix of acquisitions (grants/vests of RSUs) and dispositions (sales) executed the same day. After the reported transactions, Mr. Mosley beneficially owned 471,788 ordinary shares. Several RSU grants vested or were delivered under the Seagate Equity Incentive Plan, and certain share sales were executed at $191.59 per share.
Seagate Technology Holdings plc (STX) Form 4 filed for Kian Fatt Chong, EVP Global Operations, reports transactions dated 09/09/2025 consisting of multiple grants of Restricted Share Units (RSUs) that vested or partially vested and converted to Ordinary Shares and a small ESPP purchase previously acquired on July 31, 2025 that is exempt from reporting under Rule 16b-3.
The filing shows RSU-related acquisitions of 1,198; 201; 1,516; and 560 Ordinary Shares (each recorded with Transaction Code M and $0 price) and indicates the Reporting Person beneficially owned 4,384 Ordinary Shares after the final listed transaction. The Form is signed by an attorney-in-fact on 09/11/2025.
Teh Ban Seng, EVP & Chief Commercial Officer of Seagate Technology Holdings plc (STX), reported multiple restricted share unit vestings on September 9, 2025 that converted to ordinary shares and a subsequent sale on September 10, 2025. The Form 4 shows vesting-related acquisitions of 1,408, 599, 2,652, and 1,165 ordinary shares from RSUs and a disposal of 6,781 ordinary shares sold at a weighted-average price of $191.53. The filing lists the reporter's resulting beneficial ownership at various line items, with the largest post-transaction total shown as 11,971 shares in one line and other totals shown per transaction line.