Company · CIK 0001137789 · SIC 3572 — Computer Storage Devices · Nasdaq
Seagate Technology Holdings plc · STX
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 21, 2026 SForm 4 → | Sep 22, 4:49 pm EDT | John Christopher MorrisEVP & CTO | 9,354 | $877.91 | $8,211,951 | 22,693 | −29.2% | 10b5-1 |
| Sep 21, 2026 MForm 4 → | Sep 22, 4:49 pm EDT | John Christopher MorrisEVP & CTO | 915 | $158.40 | $144,936 | 32,047 | — | 10b5-1 |
| Sep 15, 2026 SForm 4 → | Sep 16, 4:10 pm EDT | Gianluca RomanoEVP & CFO | 49,984 | $772.16 | $38,595,124 | 70,757 | −41.4% | |
| Sep 15, 2026 SForm 4 → | Sep 16, 4:10 pm EDT | William D MosleyCEO, Director | 97,889 | $772.14 | $75,584,519 | 378,108 | −20.6% | |
| Sep 15, 2026 SForm 4 → | Sep 16, 4:10 pm EDT | Ban Seng TehEVP & Chief Commercial Officer | 52,730 | $782.08 | $41,239,128 | 5,810 | −90.1% | 10b5-1 |
| Sep 15, 2026 SForm 4 → | Sep 16, 4:10 pm EDT | John Christopher MorrisEVP & CTO | 15,466 | $772.15 | $11,941,704 | 31,132 | −33.2% | |
| Sep 14, 2026 MForm 4 → | Sep 16, 4:10 pm EDT | Gianluca RomanoEVP & CFO | 90,380 | — | — | 120,740 | — | |
| Sep 14, 2026 MForm 4 → | Sep 16, 4:10 pm EDT | Kian Fatt ChongEVP Global Operations | 14,470 | — | — | 25,093 | — | |
| Sep 14, 2026 MForm 4 → | Sep 16, 4:10 pm EDT | William D MosleyCEO, Director | 177,000 | — | — | 475,998 | — | |
| Sep 14, 2026 MForm 4 → | Sep 16, 4:10 pm EDT | Ban Seng TehEVP & Chief Commercial Officer | 52,730 | — | — | 58,540 | — | 10b5-1 |
| Sep 14, 2026 MForm 4 → | Sep 16, 4:10 pm EDT | John Christopher MorrisEVP & CTO | 30,130 | — | — | 46,598 | — | |
| Sep 14, 2026 SForm 4 → | Sep 15, 4:16 pm EDT | Ban Seng TehEVP & Chief Commercial Officer | 989 | $779.00 | $770,431 | 5,810 | −14.5% | 10b5-1 |
| Sep 14, 2026 SForm 4 → | Sep 15, 4:15 pm EDT | John Christopher MorrisEVP & CTO | 493 | $781.23 | $384,952 | 16,468 | −2.91% | |
| Sep 14, 2026 SForm 4 → | Sep 15, 4:15 pm EDT | William D MosleyCEO, Director | 1,870 | $781.23 | $1,460,696 | 298,998 | −0.62% | |
| Sep 11, 2026 MForm 4 → | Sep 15, 4:16 pm EDT | Ban Seng TehEVP & Chief Commercial Officer | 989 | — | — | 6,799 | — | 10b5-1 |
| Sep 11, 2026 MForm 4 → | Sep 15, 4:16 pm EDT | Kian Fatt ChongEVP Global Operations | 678 | — | — | 10,623 | — | |
| Sep 11, 2026 MForm 4 → | Sep 15, 4:15 pm EDT | John Christopher MorrisEVP & CTO | 942 | — | — | 16,961 | — | |
| Sep 11, 2026 MForm 4 → | Sep 15, 4:15 pm EDT | Gianluca RomanoEVP & CFO | 1,695 | — | — | 31,315 | — | 10b5-1 |
| Sep 11, 2026 SForm 4 → | Sep 15, 4:15 pm EDT | Gianluca RomanoEVP & CFO | 5,555 | $841.95 | $4,677,037 | 30,360 | −15.5% | 10b5-1 |
| Sep 11, 2026 SForm 4 → | Sep 15, 4:15 pm EDT | Gianluca RomanoEVP & CFO | 45,898 | $830.01 | $38,095,905 | 34,220 | −57.3% | 10b5-1 |
| Sep 11, 2026 MForm 4 → | Sep 15, 4:15 pm EDT | Gianluca RomanoEVP & CFO | 50,498 | $99.99 | $5,049,478 | 80,118 | — | 10b5-1 |
| Sep 11, 2026 MForm 4 → | Sep 15, 4:15 pm EDT | William D MosleyCEO, Director | 3,319 | — | — | 300,867 | — | |
| Sep 10, 2026 SForm 4 → | Sep 11, 4:47 pm EDT | Ban Seng TehEVP & Chief Commercial Officer | 663 | $860.09 | $570,240 | 5,810 | −10.2% | 10b5-1 |
| Sep 10, 2026 SForm 4 → | Sep 11, 4:47 pm EDT | John Christopher MorrisEVP & CTO | 572 | $862.13 | $493,355 | 16,019 | −3.45% | |
| Sep 10, 2026 SForm 4 → | Sep 11, 4:46 pm EDT | Gianluca RomanoEVP & CFO | 1,348 | $862.13 | $1,162,156 | 29,620 | −4.35% | |
| Sep 10, 2026 SForm 4 → | Sep 11, 4:46 pm EDT | William D MosleyCEO, Director | 2,849 | $862.13 | $2,456,436 | 297,548 | −0.95% | |
| Sep 9, 2026 MForm 4 → | Sep 11, 4:47 pm EDT | Kian Fatt ChongEVP Global Operations | 581 | — | — | 9,945 | — | |
| Sep 9, 2026 MForm 4 → | Sep 11, 4:47 pm EDT | Ban Seng TehEVP & Chief Commercial Officer | 1,263 | — | — | 6,473 | — | 10b5-1 |
| Sep 9, 2026 MForm 4 → | Sep 11, 4:47 pm EDT | John Christopher MorrisEVP & CTO | 1,131 | — | — | 16,338 | — | |
| Sep 9, 2026 MForm 4 → | Sep 11, 4:46 pm EDT | Gianluca RomanoEVP & CFO | 2,474 | — | — | 30,446 | — | |
| Sep 9, 2026 MForm 4 → | Sep 11, 4:46 pm EDT | William D MosleyCEO, Director | 5,230 | — | — | 298,864 | — | |
| Sep 1, 2026 SForm 4 → | Sep 3, 4:51 pm EDT | William D MosleyCEO, Director | 30,000 | $816.28 | $24,488,282 | 295,168 | −9.23% | 10b5-1 |
| Sep 1, 2026 MForm 4 → | Sep 3, 4:51 pm EDT | William D MosleyCEO, Director | 14,000 | $46.23 | $647,220 | 325,168 | — | 10b5-1 |
| Sep 1, 2026 SForm 4 → | Sep 3, 4:51 pm EDT | Yolanda Lee ConyersDirector | 750 | $815.11 | $611,333 | 3,351 | −18.3% | 10b5-1 |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 21, 2026 MForm 4 → | Sep 22, 4:49 pm EDT | John Christopher MorrisEVP & CTO | 915 | — | — | 17,378 | — | 10b5-1 |
| Sep 14, 2026 MForm 4 → | Sep 16, 4:10 pm EDT | Gianluca RomanoEVP & CFO | 90,380 | — | — | 0 | — | |
| Sep 14, 2026 MForm 4 → | Sep 16, 4:10 pm EDT | Kian Fatt ChongEVP Global Operations | 14,470 | — | — | 0 | — | |
| Sep 14, 2026 MForm 4 → | Sep 16, 4:10 pm EDT | William D MosleyCEO, Director | 177,000 | — | — | 0 | — | |
| Sep 14, 2026 MForm 4 → | Sep 16, 4:10 pm EDT | Ban Seng TehEVP & Chief Commercial Officer | 52,730 | — | — | 0 | — | 10b5-1 |
| Sep 14, 2026 MForm 4 → | Sep 16, 4:10 pm EDT | John Christopher MorrisEVP & CTO | 30,130 | — | — | 0 | — | |
| Sep 11, 2026 MForm 4 → | Sep 15, 4:16 pm EDT | Ban Seng TehEVP & Chief Commercial Officer | 989 | — | — | 3,956 | — | 10b5-1 |
| Sep 11, 2026 MForm 4 → | Sep 15, 4:16 pm EDT | Kian Fatt ChongEVP Global Operations | 678 | — | — | 2,714 | — | |
| Sep 11, 2026 MForm 4 → | Sep 15, 4:15 pm EDT | John Christopher MorrisEVP & CTO | 942 | — | — | 3,768 | — | |
| Sep 11, 2026 MForm 4 → | Sep 15, 4:15 pm EDT | Gianluca RomanoEVP & CFO | 1,695 | — | — | 6,780 | — | 10b5-1 |
| Sep 11, 2026 MForm 4 → | Sep 15, 4:15 pm EDT | Gianluca RomanoEVP & CFO | 50,498 | — | — | 40,317 | — | 10b5-1 |
| Sep 11, 2026 MForm 4 → | Sep 15, 4:15 pm EDT | William D MosleyCEO, Director | 3,319 | — | — | 13,276 | — | |
| Sep 9, 2026 MForm 4 → | Sep 11, 4:47 pm EDT | Kian Fatt ChongEVP Global Operations | 581 | — | — | 3,033 | — | |
| Sep 9, 2026 MForm 4 → | Sep 11, 4:47 pm EDT | Ban Seng TehEVP & Chief Commercial Officer | 1,263 | — | — | 5,306 | — | 10b5-1 |
| Sep 9, 2026 MForm 4 → | Sep 11, 4:47 pm EDT | John Christopher MorrisEVP & CTO | 1,131 | — | — | 5,055 | — | |
| Sep 9, 2026 MForm 4 → | Sep 11, 4:46 pm EDT | Gianluca RomanoEVP & CFO | 2,474 | — | — | 12,128 | — | |
| Sep 9, 2026 MForm 4 → | Sep 11, 4:46 pm EDT | William D MosleyCEO, Director | 5,230 | — | — | 19,328 | — | |
| Sep 1, 2026 MForm 4 → | Sep 3, 4:51 pm EDT | William D MosleyCEO, Director | 14,000 | — | — | 97,100 | — | 10b5-1 |