STX Seagate Technology
Nasdaq · SEC CIK 1137789 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $572.01M 83 sales by 11 insiders
- Filings on record
- 411 since 2021-07-22, latest 2026-09-22 16:49
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| MOSLEY WILLIAM D | CEO, Dir | — | $281.22M |
| Romano Gianluca | EVP, CFO | — | $146.39M |
| Teh Ban Seng | EVP, Chief Commercial Off | — | $89.27M |
| Morris John Christopher | EVP, CTO | — | $30.59M |
| Lee James CI | EVP, CLO | — | $12.56M |
| Chong Kian Fatt | EVP Gbl Ops | — | $4.36M |
| Arumugavelu Shankar | Dir | — | $2.40M |
| Conyers Yolanda Lee | Dir | — | $1.78M |
| Tilenius Stephanie | Dir | — | $1.76M |
| BHATT PRAT | Dir | — | $929.9K |
Transactions 605
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2023-12-12 | 2023-12-09 | STX | SCHUELKE KATHERINE | SVP, CLO, Corp. Sec | M - OptEx | $0.00 | +499 | 29.3K | +2% | $0 |
| D | 2023-12-12 | 2023-12-09 | STX | SCHUELKE KATHERINE | SVP, CLO, Corp. Sec | S - Sale+OE | $80.59 | -248 | 29.1K | -0.8% | -$20.0K |
| DM | 2023-12-12 | 2023-12-08+ | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale+OE | $80.21 | -154.6K | 669.0K | -19% | -$12.40M |
| DM | 2023-12-12 | 2023-12-08+ | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $30.39 | +156.0K | 822.1K | +23% | +$4.74M |
| D | 2023-12-12 | 2023-12-09 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $0.00 | +958 | 64.3K | +2% | $0 |
| D | 2023-12-12 | 2023-12-09 | STX | Romano Gianluca | EVP, CFO | S - Sale+OE | $80.59 | -475 | 63.9K | -0.7% | -$38.3K |
| DM | 2023-12-12 | 2023-12-08 | STX | Teh Ban Seng | EVP, Chief Commercial Off | S - Sale+OE | $79.70 | -8,000 | 33.7K | -19% | -$637.6K |
| D | 2023-12-12 | 2023-12-09 | STX | Teh Ban Seng | EVP, Chief Commercial Off | M - OptEx | $0.00 | +599 | 34.3K | +2% | $0 |
| DMA | 2023-12-01 | 2023-11-29 | STX | Romano Gianluca | EVP, CFO | S - Sale+OE | $79.02 | -61.9K | 63.4K | -49% | -$4.89M |
| DMA | 2023-12-01 | 2023-11-29 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $48.42 | +61.9K | 125.3K | +98% | +$3.00M |
| DM | 2023-11-30 | 2023-11-29 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $48.42 | +61.9K | 125.3K | +98% | +$3.00M |
| DM | 2023-11-30 | 2023-11-29 | STX | Romano Gianluca | EVP, CFO | S - Sale+OE | $79.02 | -61.9K | 63.4K | -49% | -$4.89M |
| M | 2023-11-16 | 2023-11-15 | STX | Teh Ban Seng | EVP, Chief Commercial Off | S - Sale | $75.00 | -5,000 | 44.2K | -10% | -$375.0K |
| M | 2023-11-06 | 2023-11-03 | STX | Romano Gianluca | EVP, CFO | S - Sale | $73.34 | -17.0K | 63.4K | -21% | -$1.25M |
| D | 2023-10-24 | 2023-10-23 | STX | Haggart Dylan G. | Dir | M - OptEx | $0.00 | +3,803 | 11.7K | +48% | $0 |
| D | 2023-10-24 | 2023-10-23 | STX | Haggart Dylan G. | Dir | F - Tax | $65.25 | -1,370 | 10.3K | -12% | -$89.4K |
| D | 2023-10-24 | 2023-10-23 | STX | CANNON MICHAEL R | Dir | M - OptEx | $0.00 | +4,840 | 31.3K | +18% | $0 |
| D | 2023-10-24 | 2023-10-23 | STX | CANNON MICHAEL R | Dir | F - Tax | $65.25 | -1,743 | 29.6K | -6% | -$113.7K |
| D | 2023-10-24 | 2023-10-23 | STX | BRUGGEWORTH ROBERT A | Dir | F - Tax | $65.25 | -1,306 | 2,320 | -36% | -$85.2K |
| D | 2023-10-24 | 2023-10-23 | STX | BRUGGEWORTH ROBERT A | Dir | M - OptEx | $0.00 | +3,626 | 3,626 | New | $0 |
| D | 2023-10-24 | 2023-10-23 | STX | ZANDER EDWARD J | Dir | M - OptEx | $0.00 | +3,803 | 3,803 | New | $0 |
| D | 2023-10-24 | 2023-10-23 | STX | ZANDER EDWARD J | Dir | S - Sale+OE | $65.25 | -1,370 | 0 | -100% | -$89.4K |
| D | 2023-10-24 | 2023-10-23 | STX | Geldmacher Jay L | Dir | M - OptEx | $0.00 | +3,803 | 8,551 | +80% | $0 |
| D | 2023-10-24 | 2023-10-23 | STX | Geldmacher Jay L | Dir | F - Tax | $65.25 | -1,370 | 7,181 | -16% | -$89.4K |
| D | 2023-10-24 | 2023-10-23 | STX | CLEMMER RICHARD L | Dir | F - Tax | $65.25 | -1,370 | 14.3K | -9% | -$89.4K |
| D | 2023-10-24 | 2023-10-23 | STX | CLEMMER RICHARD L | Dir | M - OptEx | $0.00 | +3,803 | 15.7K | +32% | $0 |
| D | 2023-10-24 | 2023-10-23 | STX | BHATT PRAT | Dir | M - OptEx | $0.00 | +3,803 | 8,922 | +74% | $0 |
| D | 2023-10-24 | 2023-10-23 | STX | BHATT PRAT | Dir | F - Tax | $65.25 | -1,370 | 7,552 | -15% | -$89.4K |
| D | 2023-10-24 | 2023-10-23 | STX | Tilenius Stephanie | Dir | M - OptEx | $0.00 | +3,803 | 12.0K | +46% | $0 |
| D | 2023-10-24 | 2023-10-23 | STX | Tilenius Stephanie | Dir | F - Tax | $65.25 | -1,370 | 10.7K | -11% | -$89.4K |
| D | 2023-10-24 | 2023-10-23 | STX | Conyers Yolanda Lee | Dir | M - OptEx | $0.00 | +3,803 | 5,154 | +281% | $0 |
| D | 2023-10-24 | 2023-10-23 | STX | Conyers Yolanda Lee | Dir | F - Tax | $65.25 | -1,370 | 3,784 | -27% | -$89.4K |
| D | 2023-10-24 | 2023-10-23 | STX | BRUNER JUDY | Dir | M - OptEx | $0.00 | +3,803 | 3,803 | New | $0 |
| D | 2023-10-24 | 2023-10-23 | STX | BRUNER JUDY | Dir | F - Tax | $65.25 | -1,370 | 0 | -100% | -$89.4K |
| D | 2023-10-24 | 2023-10-23 | STX | Arumugavelu Shankar | Dir | M - OptEx | $0.00 | +3,803 | 7,679 | +98% | $0 |
| D | 2023-10-24 | 2023-10-23 | STX | Arumugavelu Shankar | Dir | F - Tax | $65.25 | -1,370 | 6,309 | -18% | -$89.4K |
| 2023-09-19 | 2023-09-15 | STX | Morris John Christopher | SVP, CTO, HDD, SDD Products | A - Grant | $0.00 | +4,653 | 30.5K | +18% | $0 | |
| 2023-09-19 | 2023-09-15 | STX | Morris John Christopher | SVP, CTO, HDD, SDD Products | F - Tax | $63.75 | -2,122 | 28.3K | -7% | -$135.3K | |
| 2023-09-19 | 2023-09-15 | STX | Teh Ban Seng | EVP, Chief Commercial Off | A - Grant | $0.00 | +4,188 | 46.7K | +10% | $0 | |
| 2023-09-19 | 2023-09-15 | STX | Chong Kian Fatt | SVP, Gbl Ops | A - Grant | $0.00 | +3,258 | 11.4K | +40% | $0 | |
| 2023-09-19 | 2023-09-15 | STX | SCHUELKE KATHERINE | SVP, CLO, Corp. Sec | F - Tax | $63.75 | -2,307 | 31.2K | -7% | -$147.1K | |
| 2023-09-19 | 2023-09-15 | STX | SCHUELKE KATHERINE | SVP, CLO, Corp. Sec | A - Grant | $0.00 | +4,653 | 33.5K | +16% | $0 | |
| 2023-09-19 | 2023-09-15 | STX | Romano Gianluca | EVP, CFO | F - Tax | $63.75 | -8,454 | 80.4K | -10% | -$538.9K | |
| 2023-09-19 | 2023-09-15 | STX | Romano Gianluca | EVP, CFO | A - Grant | $0.00 | +17.1K | 88.8K | +24% | $0 | |
| 2023-09-19 | 2023-09-15 | STX | MOSLEY WILLIAM D | CEO, Dir | A - Grant | $0.00 | +73.6K | 705.5K | +12% | $0 | |
| 2023-09-19 | 2023-09-15 | STX | MOSLEY WILLIAM D | CEO, Dir | F - Tax | $63.75 | -36.5K | 669.0K | -5% | -$2.33M | |
| 2023-09-19 | 2023-09-18 | STX | SCHUELKE KATHERINE | SVP, CLO, Corp. Sec | S - Sale | $64.39 | -2,346 | 28.8K | -8% | -$151.1K | |
| 2023-09-15 | 2023-09-13 | STX | SCHUELKE KATHERINE | SVP, CLO, Corp. Sec | S - Sale | $63.10 | -7,832 | 28.8K | -21% | -$494.2K | |
| DM | 2023-09-12 | 2023-09-09 | STX | Morris John Christopher | SVP, CTO, HDD, SDD Products | F - Tax | $65.37 | -3,793 | 24.5K | -13% | -$247.9K |
| DM | 2023-09-12 | 2023-09-09 | STX | Morris John Christopher | SVP, CTO, HDD, SDD Products | M - OptEx | $0.00 | +12.3K | 19.8K | +162% | $0 |
| DM | 2023-09-12 | 2023-09-09 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $0.00 | +11.4K | 69.0K | +20% | $0 |
| DM | 2023-09-12 | 2023-09-09 | STX | Romano Gianluca | EVP, CFO | F - Tax | $65.37 | -5,662 | 67.5K | -8% | -$370.1K |
| DM | 2023-09-12 | 2023-09-09 | STX | Chong Kian Fatt | SVP, Gbl Ops | M - OptEx | $0.00 | +7,781 | 5,570 | New | $0 |
| DM | 2023-09-12 | 2023-09-09 | STX | SCHUELKE KATHERINE | SVP, CLO, Corp. Sec | M - OptEx | $0.00 | +12.3K | 34.4K | +56% | $0 |
| DM | 2023-09-12 | 2023-09-09 | STX | SCHUELKE KATHERINE | SVP, CLO, Corp. Sec | F - Tax | $65.37 | -4,505 | 35.6K | -11% | -$294.5K |
| DM | 2023-09-12 | 2023-09-09 | STX | Teh Ban Seng | EVP, Chief Commercial Off | M - OptEx | $0.00 | +13.1K | 36.6K | +56% | $0 |
| DM | 2023-09-12 | 2023-09-09 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $0.00 | +30.8K | 631.4K | +5% | $0 |
| DM | 2023-09-12 | 2023-09-09 | STX | MOSLEY WILLIAM D | CEO, Dir | F - Tax | $65.37 | -15.3K | 626.2K | -2% | -$998.5K |
| DM | 2023-09-05 | 2023-08-31+ | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale+OE | $71.17 | -298.9K | 616.3K | -33% | -$21.27M |
| DM | 2023-09-05 | 2023-08-31+ | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $34.37 | +298.9K | 715.2K | +72% | +$10.27M |
| 2023-05-26 | 2023-05-26 | STX | SCHUELKE KATHERINE | SVP, CLO, Corp. Sec | S - Sale | $62.09 | -3,487 | 28.7K | -11% | -$216.5K | |
| 2023-03-23 | 2023-03-22 | STX | Naik Ravi | EVP, Lyve Storage Services | F - Tax | $60.52 | -1,020 | 38.9K | -3% | -$61.7K | |
| DM | 2023-02-24 | 2023-02-22 | STX | Romano Gianluca | EVP, CFO | F - Tax | $66.39 | -15.0K | 65.9K | -19% | -$997.5K |
| DM | 2023-02-24 | 2023-02-22 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $0.00 | +32.8K | 66.9K | +96% | $0 |
| 2023-02-21 | 2023-02-20 | STX | Romano Gianluca | EVP, CFO | F - Tax | $70.26 | -2,299 | 48.2K | -5% | -$161.5K | |
| DM | 2023-02-02 | 2023-02-01 | STX | Nygaard Jeffrey D. | EVP, Ops, Technology | S - Sale+OE | $69.14 | -36.8K | 30.4K | -55% | -$2.54M |
| DM | 2023-02-02 | 2023-02-01 | STX | Nygaard Jeffrey D. | EVP, Ops, Technology | M - OptEx | $37.72 | +36.8K | 39.2K | +1,560% | +$1.39M |
| D | 2022-10-24 | 2022-10-24 | STX | Conyers Yolanda Lee | Dir | F - Tax | $56.31 | -761 | 1,351 | -36% | -$42.9K |
| D | 2022-10-24 | 2022-10-24 | STX | Conyers Yolanda Lee | Dir | M - OptEx | $0.00 | +2,112 | 2,112 | New | $0 |
| D | 2022-10-24 | 2022-10-20 | STX | ValueAct Holdings, L.P. | Dir, See Remarks | M - OptEx | $0.00 | +3,162 | 9,009 | +54% | $0 |
| D | 2022-10-24 | 2022-10-20 | STX | ValueAct Holdings, L.P. | Dir, See Remarks | F - Tax | $53.03 | -1,139 | 7,870 | -13% | -$60.4K |
| D | 2022-10-24 | 2022-10-20 | STX | Arumugavelu Shankar | Dir | F - Tax | $53.03 | -1,139 | 3,876 | -23% | -$60.4K |
| D | 2022-10-24 | 2022-10-20 | STX | Arumugavelu Shankar | Dir | M - OptEx | $0.00 | +3,162 | 5,015 | +171% | $0 |
| D | 2022-10-24 | 2022-10-20 | STX | CANNON MICHAEL R | Dir | M - OptEx | $0.00 | +4,024 | 27.9K | +17% | $0 |
| D | 2022-10-24 | 2022-10-20 | STX | CANNON MICHAEL R | Dir | F - Tax | $53.03 | -1,449 | 26.5K | -5% | -$76.8K |
| D | 2022-10-24 | 2022-10-20 | STX | Geldmacher Jay L | Dir | M - OptEx | $0.00 | +3,162 | 5,887 | +116% | $0 |
| D | 2022-10-24 | 2022-10-20 | STX | Geldmacher Jay L | Dir | F - Tax | $53.03 | -1,139 | 4,748 | -19% | -$60.4K |
| D | 2022-10-24 | 2022-10-24 | STX | CLEMMER RICHARD L | Dir | M - OptEx | $0.00 | +577 | 12.1K | +5% | $0 |
| D | 2022-10-24 | 2022-10-24 | STX | CLEMMER RICHARD L | Dir | F - Tax | $56.31 | -208 | 11.9K | -2% | -$11.7K |
| D | 2022-10-24 | 2022-10-20 | STX | BHATT PRAT | Dir | M - OptEx | $0.00 | +3,162 | 6,258 | +102% | $0 |
| D | 2022-10-24 | 2022-10-20 | STX | BHATT PRAT | Dir | F - Tax | $53.03 | -1,139 | 5,119 | -18% | -$60.4K |
| D | 2022-10-24 | 2022-10-20 | STX | BRUNER JUDY | Dir | M - OptEx | $0.00 | +3,162 | 3,162 | New | $0 |
| D | 2022-10-24 | 2022-10-20 | STX | BRUNER JUDY | Dir | F - Tax | $53.03 | -1,139 | 0 | -100% | -$60.4K |
| D | 2022-10-24 | 2022-10-20 | STX | Adams Mark | Dir | F - Tax | $53.03 | -1,139 | 0 | -100% | -$60.4K |
| D | 2022-10-24 | 2022-10-20 | STX | Adams Mark | Dir | M - OptEx | $0.00 | +3,162 | 3,162 | New | $0 |
| D | 2022-10-24 | 2022-10-20 | STX | Tilenius Stephanie | Dir | M - OptEx | $0.00 | +3,162 | 9,372 | +51% | $0 |
| D | 2022-10-24 | 2022-10-20 | STX | Tilenius Stephanie | Dir | F - Tax | $53.03 | -1,139 | 8,233 | -12% | -$60.4K |
| D | 2022-10-24 | 2022-10-20 | STX | ZANDER EDWARD J | Dir | F - Tax | $53.03 | -1,139 | 0 | -100% | -$60.4K |
| D | 2022-10-24 | 2022-10-20 | STX | ZANDER EDWARD J | Dir | M - OptEx | $0.00 | +3,162 | 3,162 | New | $0 |
| 2022-09-14 | 2022-09-12 | STX | Nygaard Jeffrey D. | EVP, Ops, Technology | A - Grant | $0.00 | +37.8K | 46.7K | +424% | $0 | |
| 2022-09-14 | 2022-09-12 | STX | Nygaard Jeffrey D. | EVP, Ops, Technology | F - Tax | $68.77 | -16.6K | 30.1K | -36% | -$1.14M | |
| 2022-09-14 | 2022-09-12 | STX | Fochtman Jeffrey D. | SVP, Business, Marketing | M - OptEx | $0.00 | +3,900 | 16.7K | +31% | $0 | |
| 2022-09-14 | 2022-09-12 | STX | Fochtman Jeffrey D. | SVP, Business, Marketing | F - Tax | $68.77 | -1,934 | 14.7K | -12% | -$133.0K | |
| 2022-09-14 | 2022-09-12 | STX | MOSLEY WILLIAM D | CEO, Dir | F - Tax | $68.77 | -67.4K | 616.0K | -10% | -$4.64M | |
| 2022-09-14 | 2022-09-12 | STX | MOSLEY WILLIAM D | CEO, Dir | A - Grant | $0.00 | +136.0K | 683.4K | +25% | $0 | |
| 2022-09-14 | 2022-09-12 | STX | Teh Ban Seng | EVP, Gbl Sales, Marketing | A - Grant | $0.00 | +9,360 | 28.8K | +48% | $0 | |
| 2022-09-14 | 2022-09-12 | STX | SCHUELKE KATHERINE | SVP, CLO, Corp. Sec | F - Tax | $68.77 | -3,748 | 32.0K | -10% | -$257.7K | |
| 2022-09-14 | 2022-09-12 | STX | SCHUELKE KATHERINE | SVP, CLO, Corp. Sec | A - Grant | $0.00 | +7,559 | 35.7K | +27% | $0 | |
| 2022-09-14 | 2022-09-12 | STX | Romano Gianluca | EVP, CFO | F - Tax | $68.77 | -18.7K | 50.3K | -27% | -$1.29M | |
| 2022-09-14 | 2022-09-12 | STX | Romano Gianluca | EVP, CFO | A - Grant | $0.00 | +37.8K | 69.0K | +121% | $0 |
Purchase Sale Sale after option exercise All abbreviations