John Christopher Morris, Executive Vice President and Chief Technology Officer of Seagate Technology Holdings plc (NASDAQ:STX), filed a Form 4 on September 11, 2026, disclosing the vesting of restricted share units and the subsequent sale of ordinary shares on September 9 and 10, 2026.

Key Highlights

  • RSU vesting (first grant): 500 restricted share units converted to ordinary shares on September 9, 2026, at $0, under the Seagate Technology Holdings plc 2022 Equity Incentive Plan.
  • RSU vesting (second grant): 631 restricted share units converted to ordinary shares on September 9, 2026, at $0, also under the 2022 Plan.
  • Shares sold (September 10): 253 ordinary shares disposed of at $862.125 per share, and 319.25 ordinary shares disposed of at $862.136 per share.
  • Post-transaction ownership: Morris directly held 15,706.75 ordinary shares after the first sale and 16,018.5 ordinary shares after the second sale, according to the filing.
  • Remaining RSU balance: Following the transactions, Morris held 0 RSUs from the first grant and 5,055 RSUs from the second grant.

RSU Vesting Schedule and Share Dispositions by Seagate's EVP and CTO

According to the filing, two separate RSU grants vested in part on September 9, 2026, both awarded under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. The first grant, described in the filing's footnote 1, had an original vesting schedule under which one-quarter vested on September 9, 2023, with the remaining portion vesting in equal quarterly installments over the following three years, for a total vesting period of four years. The 500 shares that vested on September 9, 2026, represent the final installment of that grant, leaving 0 RSUs remaining from it.

The second grant, described in footnote 2, follows a similar structure: one-quarter of shares vested on September 9, 2025, with the remainder vesting in equal quarterly installments over the following three years for a total four-year vesting period. On September 9, 2026, 631 shares vested under this grant, leaving 5,055 RSUs still outstanding. Both conversions were recorded at a price of $0 for the derivative security, consistent with the standard RSU conversion mechanism described in the filing.

On September 10, 2026, Morris disposed of 253 ordinary shares at $862.125 each and 319.25 ordinary shares at $862.136 each, the filing disclosed. Both sales were coded "S," indicating open-market sales. All transactions and resulting ownership positions are reported as direct holdings. The Form 4 was signed by Louis J. Thorson as Attorney-in-Fact for John C. Morris.

What Was Disclosed

The filing reported two RSU vestings totaling 1,131 ordinary shares on September 9, 2026, and two open-market sales totaling 572.25 ordinary shares on September 10, 2026, by Seagate's EVP and CTO, with resulting direct ownership of 16,018.5 ordinary shares.