SEC Form 4 · accession 0001137789-26-000251
Seagate Technology Holdings plc · STX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Ban Seng Teh
Officer — EVP & Chief Commercial Officer
Period of report
Sep 14, 2026
Accepted (ET)
Sep 16, 2026 · 4:10 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001137789
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Ordinary SharesF1 | Sep 14, 2026 | M | 52,730 | $0.00 | A | 58,540 | D | |
| Ordinary SharesF2,F3 | Sep 15, 2026 | S | 914 | $771.3753 | D | 57,626 | D | |
| Ordinary SharesF4 | Sep 15, 2026 | S | 3,451 | $772.6537 | D | 54,175 | D | |
| Ordinary SharesF5 | Sep 15, 2026 | S | 1,717 | $774.0138 | D | 52,458 | D | |
| Ordinary SharesF6 | Sep 15, 2026 | S | 2,315 | $775.0148 | D | 50,143 | D | |
| Ordinary SharesF7 | Sep 15, 2026 | S | 3,242 | $776.1967 | D | 46,901 | D | |
| Ordinary SharesF8 | Sep 15, 2026 | S | 3,987 | $777.2171 | D | 42,914 | D | |
| Ordinary SharesF9 | Sep 15, 2026 | S | 7,259 | $778.3464 | D | 35,655 | D | |
| Ordinary SharesF10 | Sep 15, 2026 | S | 6,682 | $779.2653 | D | 28,973 | D | |
| Ordinary SharesF11 | Sep 15, 2026 | S | 2,453 | $780.2946 | D | 26,520 | D | |
| Ordinary SharesF12 | Sep 15, 2026 | S | 1,600 | $781.348 | D | 24,920 | D | |
| Ordinary SharesF13 | Sep 15, 2026 | S | 4,147 | $782.5644 | D | 20,773 | D | |
| Ordinary SharesF14 | Sep 15, 2026 | S | 1,760 | $783.277 | D | 19,013 | D | |
| Ordinary SharesF15 | Sep 15, 2026 | S | 1,000 | $784.4464 | D | 18,013 | D | |
| Ordinary SharesF16 | Sep 15, 2026 | S | 1,040 | $786.1423 | D | 16,973 | D | |
| Ordinary SharesF17 | Sep 15, 2026 | S | 120 | $787.2567 | D | 16,853 | D | |
| Ordinary Shares | Sep 15, 2026 | S | 280 | $788.43 | D | 16,573 | D | |
| Ordinary SharesF18 | Sep 15, 2026 | S | 1,760 | $789.8402 | D | 14,813 | D | |
| Ordinary SharesF19 | Sep 15, 2026 | S | 560 | $791.3643 | D | 14,253 | D | |
| Ordinary SharesF20 | Sep 15, 2026 | S | 1,280 | $794.7172 | D | 12,973 | D | |
| Ordinary SharesF21 | Sep 15, 2026 | S | 2,166 | $795.9457 | D | 10,807 | D | |
| Ordinary SharesF22 | Sep 15, 2026 | S | 1,587 | $796.8955 | D | 9,220 | D | |
| Ordinary SharesF23 | Sep 15, 2026 | S | 530 | $797.9715 | D | 8,690 | D | |
| Ordinary SharesF24 | Sep 15, 2026 | S | 400 | $799.027 | D | 8,290 | D | |
| Ordinary Shares | Sep 15, 2026 | S | 2,480 | $800.47 | D | 5,810 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Performance-Based Restricted Share UnitsF25 | $0.00 | Sep 14, 2026 | M | 52,730 | D | — | — | Ordinary Shares | 52,730 | 0 | D |
Explanation of responses
- F1Represents Ordinary Shares issued upon the vesting and settlement of Performance Share Units granted on September 11, 2023, following certification by the Compensation and People Committee of the achievement of the applicable performance conditions.
- F10These Ordinary Shares were sold in multiple trades at prices ranging from $778.95 to $779.94. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F11These Ordinary Shares were sold in multiple trades at prices ranging from $779.95 to $780.87. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F12These Ordinary Shares were sold in multiple trades at prices ranging from $780.99 to $781.88. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F13These Ordinary Shares were sold in multiple trades at prices ranging from $782.00 to $782.88. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F14These Ordinary Shares were sold in multiple trades at prices ranging from $783.00 to $783.78. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F15These Ordinary Shares were sold in multiple trades at prices ranging from $784.00 to $784.75. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F16These Ordinary Shares were sold in multiple trades at prices ranging from $785.75 to $786.61. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F17These Ordinary Shares were sold in multiple trades at prices ranging from $787.05 to $787.36. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F18These Ordinary Shares were sold in multiple trades at prices ranging from $789.56 to $790.43. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F19These Ordinary Shares were sold in multiple trades at prices ranging from $791.01 to $791.98. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F2All sale transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on Febuary 11, 2026.
- F20These Ordinary Shares were sold in multiple trades at prices ranging from $794.18 to $794.99. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F21These Ordinary Shares were sold in multiple trades at prices ranging from $795.65 to $796.62. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F22These Ordinary Shares were sold in multiple trades at prices ranging from $796.68 to $797.48. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F23These Ordinary Shares were sold in multiple trades at prices ranging from $797.92 to $798.08. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F24These Ordinary Shares were sold in multiple trades at prices ranging from $799.02 to $799.03. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F25Performance Share Units granted on September 11, 2023 vested and were settled in Ordinary Shares upon certification of the applicable performance conditions by the Compensation and People Committee.
- F3These Ordinary Shares were sold in multiple trades at prices ranging from $771.15 to $772.08. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F4These Ordinary Shares were sold in multiple trades at prices ranging from $772.19 to $773.14. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F5These Ordinary Shares were sold in multiple trades at prices ranging from $773.34 to $774.29. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F6These Ordinary Shares were sold in multiple trades at prices ranging from $774.71 to $775.70. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F7These Ordinary Shares were sold in multiple trades at prices ranging from $775.78 to $776.75. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F8These Ordinary Shares were sold in multiple trades at prices ranging from $776.80 to $777.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F9These Ordinary Shares were sold in multiple trades at prices ranging from $777.89 to $778.88. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.