STX insider transaction filings
Seagate Technology Holdings plc — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-16. Screen STX transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 37 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 353 legs across 33 filings by 6 insiders — 458,146 shares, $370,893,703 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 128.
- Largest priced transaction: sale of 97,889 shares @ $772.14 ($75,584,519) by MOSLEY WILLIAM D, filed 2026-09-16.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| MOSLEY WILLIAM D — CEO, Director | 9 | — | 125 legs · 210,747 sh · $171,351,745 | 24 |
| Romano Gianluca — EVP & CFO | 8 | — | 110 legs · 134,072 sh · $108,073,270 | 26 |
| Teh Ban Seng — EVP & Chief Commercial Officer | 6 | — | 74 legs · 77,653 sh · $62,868,053 | 26 |
| Morris John Christopher — EVP & CTO | 5 | — | 9 legs · 20,737 sh · $16,380,289 | 20 |
| Lee James CI — EVP & CLO | 4 | — | 34 legs · 14,188 sh · $11,609,013 | 14 |
| Conyers Yolanda Lee — Director | 1 | — | 1 leg · 750 sh · $611,332 | — |
| Chong Kian Fatt — EVP Global Operations | 4 | — | — | 18 |
Recent Form 4 filings — Seagate Technology Holdings plc
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-16 | 4 | Morris John Christopher — EVP & CTO | Option exercise (M): 30,130 @ $0 · Sale (S): 15,465.50 @ $772.15 · Option exercise (M): 30,130 (derivative) @ $0 | EDGAR |
| 2026-09-16 | 4 | Teh Ban Seng — EVP & Chief Commercial Officer | Option exercise (M): 52,730 @ $0 · Sale (S): 914 @ $771.38 · Sale (S): 3,451 @ $772.65 · Sale (S): 1,717 @ $774.01 · Sale (S): 2,315 @ $775.01 · Sale (S): 3,242 @ $776.20 · +20 more | EDGAR |
| 2026-09-16 | 4 | MOSLEY WILLIAM D — CEO, Director | Option exercise (M): 177,000 @ $0 · Sale (S): 97,889.25 @ $772.14 · Option exercise (M): 177,000 (derivative) @ $0 | EDGAR |
| 2026-09-16 | 4 | Chong Kian Fatt — EVP Global Operations | Option exercise (M): 14,470 @ $0 · Option exercise (M): 14,470 (derivative) @ $0 | EDGAR |
| 2026-09-16 | 4 | Romano Gianluca — EVP & CFO | Option exercise (M): 90,380 @ $0 · Sale (S): 49,983.50 @ $772.16 · Option exercise (M): 90,380 (derivative) @ $0 | EDGAR |
| 2026-09-15 | 4 | MOSLEY WILLIAM D — CEO, Director | Option exercise (M): 3,319 @ $0 · Sale (S): 1,869.75 @ $781.23 · Option exercise (M): 3,319 (derivative) @ $0 | EDGAR |
| 2026-09-15 | 4 | Romano Gianluca — EVP & CFO | Option exercise (M): 8,517 @ $68.83 · Option exercise (M): 15,067 @ $64.31 · Option exercise (M): 13,475 @ $101.34 · Option exercise (M): 13,439 @ $158.40 · Sale (S): 1,040 @ $819.39 · Sale (S): 1,320 @ $820.54 · +26 more | EDGAR |
| 2026-09-15 | 4 | Romano Gianluca — EVP & CFO | Sale (S): 200 @ $844.81 · Sale (S): 200 @ $846.94 · Sale (S): 320 @ $847.98 · Sale (S): 560 @ $849.53 · Sale (S): 80 @ $849.87 · Sale (S): 320 @ $851.45 · +11 more | EDGAR |
| 2026-09-15 | 4 | Morris John Christopher — EVP & CTO | Option exercise (M): 942 @ $0 · Sale (S): 492.75 @ $781.23 · Option exercise (M): 942 (derivative) @ $0 | EDGAR |
| 2026-09-15 | 4 | Chong Kian Fatt — EVP Global Operations | Option exercise (M): 678 @ $0 · Option exercise (M): 678 (derivative) @ $0 | EDGAR |
| 2026-09-15 | 4 | Teh Ban Seng — EVP & Chief Commercial Officer | Option exercise (M): 989 @ $0 · Sale (S): 989 @ $779 · Option exercise (M): 989 (derivative) @ $0 | EDGAR |
| 2026-09-11 | 4 | MOSLEY WILLIAM D — CEO, Director | Option exercise (M): 2,815 @ $0 · Sale (S): 1,533.50 @ $862.13 · Option exercise (M): 2,415 @ $0 · Sale (S): 1,315.75 @ $862.14 · Option exercise (M): 2,815 (derivative) @ $0 · Option exercise (M): 2,415 (derivative) @ $0 | EDGAR |
| 2026-09-11 | 4 | Romano Gianluca — EVP & CFO | Option exercise (M): 959 @ $0 · Sale (S): 522.50 @ $862.13 · Option exercise (M): 1,515 @ $0 · Sale (S): 825.50 @ $862.13 · Option exercise (M): 959 (derivative) @ $0 · Option exercise (M): 1,515 (derivative) @ $0 | EDGAR |
| 2026-09-11 | 4 | Morris John Christopher — EVP & CTO | Option exercise (M): 500 @ $0 · Sale (S): 253 @ $862.12 · Option exercise (M): 631 @ $0 · Sale (S): 319.25 @ $862.14 · Option exercise (M): 500 (derivative) @ $0 · Option exercise (M): 631 (derivative) @ $0 | EDGAR |
| 2026-09-11 | 4 | Teh Ban Seng — EVP & Chief Commercial Officer | Option exercise (M): 600 @ $0 · Option exercise (M): 663 @ $0 · Sale (S): 663 @ $860.09 · Option exercise (M): 600 (derivative) @ $0 · Option exercise (M): 663 (derivative) @ $0 | EDGAR |
| 2026-09-11 | 4 | Chong Kian Fatt — EVP Global Operations | Option exercise (M): 202 @ $0 · Option exercise (M): 379 @ $0 · Option exercise (M): 202 (derivative) @ $0 · Option exercise (M): 379 (derivative) @ $0 | EDGAR |
| 2026-09-03 | 4 | MOSLEY WILLIAM D — CEO, Director | Option exercise (M): 14,000 @ $46.23 · Sale (S): 357 @ $804.61 · Sale (S): 160 @ $805.55 · Sale (S): 160 @ $807.19 · Sale (S): 960 @ $808.62 · Sale (S): 1,160 @ $809.55 · +22 more | EDGAR |
| 2026-09-03 | 4 | Conyers Yolanda Lee — Director | Sale (S): 750 @ $815.11 | EDGAR |
| 2026-08-26 | 4 | Lee James CI — EVP & CLO | Option exercise (M): 4,032 @ $158.40 · Sale (S): 40 @ $774.84 · Sale (S): 112 @ $776.14 · Sale (S): 8 @ $777.05 · Sale (S): 80 @ $778.50 · Sale (S): 160 @ $780.66 · +25 more | EDGAR |
| 2026-08-24 | 4 | MOSLEY WILLIAM D — CEO, Director | Option exercise (M): 6,404 @ $0 · Sale (S): 3,437.75 @ $849.35 · Option exercise (M): 21,065 @ $0 · Sale (S): 11,308 @ $849.35 · Option exercise (M): 6,320 @ $0 · Sale (S): 3,392.75 @ $849.35 · +7 more | EDGAR |
| 2026-08-24 | 4 | Romano Gianluca — EVP & CFO | Option exercise (M): 5,039 @ $0 · Sale (S): 2,705 @ $849.35 · Option exercise (M): 9,129 @ $0 · Sale (S): 4,900.75 @ $849.35 · Option exercise (M): 2,739 @ $0 · Sale (S): 1,470.50 @ $849.35 · +7 more | EDGAR |
| 2026-08-24 | 4 | Chong Kian Fatt — EVP Global Operations | Option exercise (M): 1,310 @ $0 · Option exercise (M): 4,258 @ $0 · Option exercise (M): 1,278 @ $0 · Option exercise (M): 1,310 (derivative) @ $0 · Option exercise (M): 4,258 (derivative) @ $0 · Option exercise (M): 1,278 (derivative) @ $0 · +4 more | EDGAR |
| 2026-08-24 | 4 | Lee James CI — EVP & CLO | Option exercise (M): 1,512 @ $0 · Sale (S): 667.75 @ $849.35 · Option exercise (M): 1,710 @ $0 · Sale (S): 755 @ $849.35 · Option exercise (M): 5,698 @ $0 · Sale (S): 2,516 @ $849.35 · +7 more | EDGAR |
| 2026-08-24 | 4 | Morris John Christopher — EVP & CTO | Option exercise (M): 1,764 @ $0 · Sale (S): 879 @ $849.35 · Option exercise (M): 4,070 @ $0 · Sale (S): 2,028 @ $849.35 · Option exercise (M): 1,221 @ $0 · Sale (S): 608.50 @ $849.35 · +10 more | EDGAR |
| 2026-08-24 | 4 | Teh Ban Seng — EVP & Chief Commercial Officer | Option exercise (M): 2,267 @ $0 · Option exercise (M): 7,595 @ $0 · Option exercise (M): 2,279 @ $0 · Option exercise (M): 6,048 @ $158.40 · Sale (S): 240 @ $829.77 · Sale (S): 80 @ $830.18 · +25 more | EDGAR |
| 2026-08-24 | 4 | Teh Ban Seng — EVP & Chief Commercial Officer | Sale (S): 80 @ $835.54 · Sale (S): 89 @ $837.27 · Sale (S): 88 @ $838.35 · Sale (S): 280 @ $839.60 · Sale (S): 200 @ $840.53 · Sale (S): 440 @ $841.60 · +21 more | EDGAR |
| 2026-08-14 | 4 | Teh Ban Seng — EVP & Chief Commercial Officer | Option exercise (M): 1,597 @ $68.83 · Option exercise (M): 2,636 @ $64.31 · Option exercise (M): 1,769 @ $101.34 · Sale (S): 6,002 @ $920.14 · Sale (S): 1,359 @ $923.73 · Option exercise (M): 1,597 (derivative) @ $0 · +2 more | EDGAR |
| 2026-08-11 | 4 | Romano Gianluca — EVP & CFO | Sale (S): 200 @ $763.39 · Sale (S): 160 @ $765.58 · Sale (S): 400 @ $767.81 · Sale (S): 560 @ $769.21 · Sale (S): 320 @ $770.27 · Sale (S): 321 @ $771.40 · +23 more | EDGAR |
| 2026-08-11 | 4 | Romano Gianluca — EVP & CFO | Sale (S): 320 @ $799.64 · Sale (S): 520 @ $800.42 · Sale (S): 767 @ $801.71 · Sale (S): 679 @ $802.67 · Sale (S): 1,227 @ $803.82 · Sale (S): 620 @ $804.78 · +22 more | EDGAR |
| 2026-08-11 | 4 | Romano Gianluca — EVP & CFO | Sale (S): 80 @ $835.77 · Sale (S): 80 @ $838.84 · Sale (S): 120 @ $841.16 · Sale (S): 80 @ $842.86 · Sale (S): 40 @ $844.40 · Sale (S): 80 @ $846.73 · +2 more | EDGAR |
| 2026-08-04 | 4 | MOSLEY WILLIAM D — CEO, Director | Option exercise (M): 14,000 @ $46.23 · Sale (S): 80 @ $783.84 · Sale (S): 40 @ $786.12 · Sale (S): 160 @ $787.77 · Sale (S): 120 @ $789.55 · Sale (S): 440 @ $790.98 · +25 more | EDGAR |
| 2026-08-04 | 4 | MOSLEY WILLIAM D — CEO, Director | Sale (S): 400 @ $819.41 · Sale (S): 520 @ $820.35 · Sale (S): 575 @ $821.46 · Sale (S): 840 @ $822.56 · Sale (S): 1,120 @ $823.46 · Sale (S): 1,600 @ $824.57 · +13 more | EDGAR |
| 2026-08-04 | 4 | Morris John Christopher — EVP & CTO | Sale (S): 168 @ $817.76 | EDGAR |
| 2026-08-03 | 4 | Lee James CI — EVP & CLO | Sale (S): 694 @ $877.45 | EDGAR |
| 2026-07-24 | 4 | Lee James CI — EVP & CLO | Option exercise (M): 1,237 @ $0 · Sale (S): 542.25 @ $905.01 · Option exercise (M): 1,237 (derivative) @ $0 | EDGAR |
| 2026-07-02 | 4 | MOSLEY WILLIAM D — CEO, Director | Sale (S): 1,480 @ $919.64 · Sale (S): 880 @ $920.57 · Sale (S): 880 @ $921.80 · Sale (S): 720 @ $922.68 · Sale (S): 1,160 @ $923.83 · Sale (S): 770 @ $925.03 · +9 more | EDGAR |
| 2026-07-02 | 4 | MOSLEY WILLIAM D — CEO, Director | Option exercise (M): 14,000 @ $46.23 · Sale (S): 320 @ $887.97 · Sale (S): 320 @ $890.01 · Sale (S): 120 @ $891.13 · Sale (S): 200 @ $892.08 · Sale (S): 40 @ $892.93 · +25 more | EDGAR |
| 2026-06-15 | 4 | Morris John Christopher — EVP & CTO | Option exercise (M): 942 @ $0 · Sale (S): 466 @ $880.19 · Sale (S): 898 @ $880.19 · Option exercise (M): 942 (derivative) @ $0 | EDGAR |
| 2026-06-15 | 4 | Teh Ban Seng — EVP & Chief Commercial Officer | Option exercise (M): 989 @ $0 · Sale (S): 989 @ $880.19 · Option exercise (M): 989 (derivative) @ $0 | EDGAR |
| 2026-06-15 | 4 | Chong Kian Fatt — EVP Global Operations | Option exercise (M): 678 @ $0 · Option exercise (M): 678 (derivative) @ $0 | EDGAR |
| 2026-06-15 | 4 | Romano Gianluca — EVP & CFO | Option exercise (M): 1,695 @ $0 · Sale (S): 903.25 @ $880.19 · Option exercise (M): 1,695 (derivative) @ $0 | EDGAR |
| 2026-06-15 | 4 | MOSLEY WILLIAM D — CEO, Director | Option exercise (M): 3,319 @ $0 · Sale (S): 1,768.25 @ $880.19 · Option exercise (M): 3,319 (derivative) @ $0 | EDGAR |
| 2026-06-11 | 4 | Chong Kian Fatt — EVP Global Operations | Option exercise (M): 202 @ $0 · Option exercise (M): 379 @ $0 · Option exercise (M): 202 (derivative) @ $0 · Option exercise (M): 379 (derivative) @ $0 | EDGAR |
| 2026-06-11 | 4 | Teh Ban Seng — EVP & Chief Commercial Officer | Option exercise (M): 599 @ $0 · Option exercise (M): 663 @ $0 · Sale (S): 663 @ $821.86 · Option exercise (M): 599 (derivative) @ $0 · Option exercise (M): 663 (derivative) @ $0 | EDGAR |
| 2026-06-11 | 4 | Morris John Christopher — EVP & CTO | Option exercise (M): 499 @ $0 · Sale (S): 254 @ $821.66 · Option exercise (M): 631 @ $0 · Sale (S): 319.75 @ $821.65 · Option exercise (M): 499 (derivative) @ $0 · Option exercise (M): 631 (derivative) @ $0 | EDGAR |
| 2026-06-11 | 4 | MOSLEY WILLIAM D — CEO, Director | Option exercise (M): 2,815 @ $0 · Sale (S): 1,536.50 @ $821.74 · Option exercise (M): 2,415 @ $0 · Sale (S): 1,318.25 @ $821.75 · Option exercise (M): 2,815 (derivative) @ $0 · Option exercise (M): 2,415 (derivative) @ $0 | EDGAR |
| 2026-06-11 | 4 | Romano Gianluca — EVP & CFO | Option exercise (M): 959 @ $0 · Sale (S): 523.50 @ $821.73 · Option exercise (M): 1,515 @ $0 · Sale (S): 827 @ $821.77 · Option exercise (M): 959 (derivative) @ $0 · Option exercise (M): 1,515 (derivative) @ $0 | EDGAR |
| 2026-06-04 | 4 | Arumugavelu Shankar — Director | Sale (S): 1,000 @ $927.68 | EDGAR |
| 2026-06-02 | 4 | MOSLEY WILLIAM D — CEO, Director | Sale (S): 320 @ $916.77 · Sale (S): 480 @ $918.75 · Sale (S): 1,691 @ $919.62 · Sale (S): 1,730 @ $920.90 · Sale (S): 1,807 @ $921.75 · Sale (S): 1,598 @ $922.95 · +14 more | EDGAR |
| 2026-06-02 | 4 | MOSLEY WILLIAM D — CEO, Director | Option exercise (M): 14,000 @ $46.23 · Sale (S): 600 @ $884.62 · Sale (S): 360 @ $885.67 · Sale (S): 360 @ $886.72 · Sale (S): 240 @ $887.72 · Sale (S): 163 @ $888.89 · +25 more | EDGAR |
Recent 8-K events — Seagate Technology Holdings plc
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-09-09 | 8-K | 3.02 — Unregistered Sales of Equity Securities 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-09-04 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-07-28 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-12 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-28 | 8-K | 3.02 — Unregistered Sales of Equity Securities 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-21 | 8-K | 3.02 — Unregistered Sales of Equity Securities 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-06 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-28 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-19 | 8-K | 3.02 — Unregistered Sales of Equity Securities 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-12 | 8-K | 3.02 — Unregistered Sales of Equity Securities 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
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