Seagate Technology Holdings Plc
A maker of hard disk drives and storage systems, Seagate builds the high-capacity drives that power data centers and edge devices, with products ranging from 1TB to 44TB for uses like gaming, NAS, and cloud storage. Founded in 1978 as Shugart Technology by Alan Shugart and colleagues, it renamed itself Seagate to avoid a trademark clash with Xerox. Its 1980 ST-506 was the first 5.25-inch hard drive for personal computers, shrinking drives from refrigerator-sized machines to fit a desktop.
Granted 193.8K · Sold 267.3K
Granted 2.7K
Granted 144.7K · Sold 97.7K
Granted 3.4K
Granted 2.7K
Granted 31.6K · Sold 27.8K
Granted 2.7K
Granted 2.7K · Sold 1.0K
Granted 2.7K · Sold 3.6K
Granted 21.2K · Sold 12.9K
Granted 2.7K · Sold 6.0K
Granted 76.3K · Sold 76.1K
Granted 2.7K · Sold 3.0K
Granted 2.7K
Granted 470
Granted 16.7K · Sold 15.0K
Granted 2.7K · Sold 2.2K
| Insider | Stake change | Holds now | Granted / vested | Bought | Sold |
|---|---|---|---|---|---|
| Mosley William DCEO, Director · 225 transactions | -35.1% | 311.2K | 193.8K | — | 267.3K |
| Clemmer Richard LDirector · 2 transactions | +6.5% | 33.6K | 2.7K | — | — |
| Romano GianlucaEVP & CFO · 105 transactions | -29.2% | 28.5K | 144.7K | — | 97.7K |
| Cannon Michael RDirector · 2 transactions | +14.7% | 20.3K | 3.4K | — | — |
| Bruner JudyDirector · 2 transactions | +12.4% | 18.6K | 2.7K | — | — |
| Morris John ChristopherEVP & CTO · 64 transactions | +20.2% | 15.5K | 31.6K | — | 27.8K |
| Haggart Dylan G.Director · 2 transactions | +16.4% | 14.5K | 2.7K | — | — |
| Bhatt PratDirector · 3 transactions | +8.8% | 12.9K | 2.7K | — | 1.0K |
| Tilenius StephanieDirector · 5 transactions | -12.9% | 10.7K | 2.7K | — | 3.6K |
| Chong Kian FattEVP Global Operations · 21 transactions | +965.3% | 9.4K | 21.2K | — | 12.9K |
| Arumugavelu ShankarDirector · 4 transactions | -37.4% | 6.6K | 2.7K | — | 6.0K |
| Teh Ban SengEVP & Chief Commercial Officer · 116 transactions | -33.8% | 5.2K | 76.3K | — | 76.1K |
| Conyers Yolanda LeeDirector · 8 transactions | -18.9% | 4.1K | 2.7K | — | 3.0K |
| Adams MarkDirector · 2 transactions | -35.3% | 2.0K | 2.7K | — | — |
| Szlosek Thomas ADirector · 2 transactions | — | 470 | 470 | — | — |
| Lee James CIEVP & CLO · 45 transactions | +35% | 347 | 16.7K | — | 15.0K |
| Geldmacher Jay LDirector · 4 transactions | -36.6% | 223 | 2.7K | — | 2.2K |
Select a row to see that insider’s individual transactions. Sum of the holdings confirmed in the 12 months before this insider's last filing. A Form 4 reports a holding per line — held directly, or through a named trust, partnership or foundation, and in each share class separately — never a person’s total. Lines not restated in that time are left out and shown apart: an active filer restates what they still hold, so a line they did not restate is more often an entity since renamed, whose shares a successor line reports too. An amber marker means some were left out.
Net open-market activity over the last year: -512.7K shares. Grants, option exercises and tax withholding are excluded — they are compensation mechanics, not decisions to buy or sell.