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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-09-22 16:49 | 2026-09-21 | STX | Morris John Christopher | EVP, CTO | M - OptEx | $158.40 | +915 | 32.0K | +3% | +$144.9K |
| DMT | 2026-09-22 16:49 | 2026-09-21 | STX | Morris John Christopher | EVP, CTO | S - Sale+OE | $877.91 | -9,354 | 22.7K | -29% | -$8.21M |
| D | 2026-09-16 16:10 | 2026-09-14 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $0.00 | +90.4K | 120.7K | +298% | $0 |
| D | 2026-09-16 16:10 | 2026-09-15 | STX | Romano Gianluca | EVP, CFO | S - Sale+OE | $772.16 | -50.0K | 70.8K | -41% | -$38.60M |
| D | 2026-09-16 16:10 | 2026-09-14 | STX | Chong Kian Fatt | EVP Gbl Ops | M - OptEx | $0.00 | +14.5K | 25.1K | +136% | $0 |
| D | 2026-09-16 16:10 | 2026-09-14 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $0.00 | +177.0K | 476.0K | +59% | $0 |
| D | 2026-09-16 16:10 | 2026-09-15 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale+OE | $772.14 | -97.9K | 378.1K | -21% | -$75.58M |
| DT | 2026-09-16 16:10 | 2026-09-14 | STX | Teh Ban Seng | EVP, Chief Commercial Off | M - OptEx | $0.00 | +52.7K | 58.5K | +908% | $0 |
| DMT | 2026-09-16 16:10 | 2026-09-15 | STX | Teh Ban Seng | EVP, Chief Commercial Off | S - Sale+OE | $782.08 | -52.7K | 5,810 | -90% | -$41.24M |
| D | 2026-09-16 16:10 | 2026-09-14 | STX | Morris John Christopher | EVP, CTO | M - OptEx | $0.00 | +30.1K | 46.6K | +183% | $0 |
| D | 2026-09-16 16:10 | 2026-09-15 | STX | Morris John Christopher | EVP, CTO | S - Sale+OE | $772.15 | -15.5K | 31.1K | -33% | -$11.94M |
| DT | 2026-09-15 16:16 | 2026-09-11 | STX | Teh Ban Seng | EVP, Chief Commercial Off | M - OptEx | $0.00 | +989 | 6,799 | +17% | $0 |
| DT | 2026-09-15 16:16 | 2026-09-14 | STX | Teh Ban Seng | EVP, Chief Commercial Off | S - Sale+OE | $779.00 | -989 | 5,810 | -15% | -$770.4K |
| D | 2026-09-15 16:16 | 2026-09-11 | STX | Chong Kian Fatt | EVP Gbl Ops | M - OptEx | $0.00 | +678 | 10.6K | +7% | $0 |
| D | 2026-09-15 16:15 | 2026-09-11 | STX | Morris John Christopher | EVP, CTO | M - OptEx | $0.00 | +942 | 17.0K | +6% | $0 |
| D | 2026-09-15 16:15 | 2026-09-14 | STX | Morris John Christopher | EVP, CTO | S - Sale+OE | $781.23 | -492.75 | 16.5K | -3% | -$385.0K |
| DMT | 2026-09-15 16:15 | 2026-09-11+ | STX | Romano Gianluca | EVP, CFO | S - Sale+OE | $841.95 | -5,555 | 30.4K | -15% | -$4.68M |
| DT | 2026-09-15 16:15 | 2026-09-11 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $0.00 | +1,695 | 31.3K | +6% | $0 |
| DMT | 2026-09-15 16:15 | 2026-09-11 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $99.99 | +50.5K | 80.1K | +170% | +$5.05M |
| DMT | 2026-09-15 16:15 | 2026-09-11 | STX | Romano Gianluca | EVP, CFO | S - Sale+OE | $830.01 | -45.9K | 34.2K | -57% | -$38.10M |
| D | 2026-09-15 16:15 | 2026-09-11 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $0.00 | +3,319 | 300.9K | +1% | $0 |
| D | 2026-09-15 16:15 | 2026-09-14 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale+OE | $781.23 | -1,870 | 299.0K | -0.6% | -$1.46M |
| DM | 2026-09-11 16:47 | 2026-09-09 | STX | Chong Kian Fatt | EVP Gbl Ops | M - OptEx | $0.00 | +581 | 9,945 | +6% | $0 |
| DMT | 2026-09-11 16:47 | 2026-09-09 | STX | Teh Ban Seng | EVP, Chief Commercial Off | M - OptEx | $0.00 | +1,263 | 6,473 | +24% | $0 |
| DT | 2026-09-11 16:47 | 2026-09-10 | STX | Teh Ban Seng | EVP, Chief Commercial Off | S - Sale+OE | $860.09 | -663 | 5,810 | -10% | -$570.2K |
| DM | 2026-09-11 16:47 | 2026-09-09 | STX | Morris John Christopher | EVP, CTO | M - OptEx | $0.00 | +1,131 | 16.3K | +7% | $0 |
| DM | 2026-09-11 16:47 | 2026-09-10 | STX | Morris John Christopher | EVP, CTO | S - Sale+OE | $862.13 | -572.25 | 16.0K | -3% | -$493.4K |
| DM | 2026-09-11 16:46 | 2026-09-09 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $0.00 | +2,474 | 30.4K | +9% | $0 |
| DM | 2026-09-11 16:46 | 2026-09-10 | STX | Romano Gianluca | EVP, CFO | S - Sale+OE | $862.13 | -1,348 | 29.6K | -4% | -$1.16M |
| DM | 2026-09-11 16:46 | 2026-09-09 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $0.00 | +5,230 | 298.9K | +2% | $0 |
| DM | 2026-09-11 16:46 | 2026-09-10 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale+OE | $862.13 | -2,849 | 297.5K | -0.9% | -$2.46M |
| DT | 2026-09-03 16:51 | 2026-09-01 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $46.23 | +14.0K | 325.2K | +4% | +$647.2K |
| DMT | 2026-09-03 16:51 | 2026-09-01 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale+OE | $816.28 | -30.0K | 295.2K | -9% | -$24.49M |
| T | 2026-09-03 16:51 | 2026-09-01 | STX | Conyers Yolanda Lee | Dir | S - Sale | $815.11 | -750 | 3,351 | -18% | -$611.3K |
| DT | 2026-08-26 16:21 | 2026-08-24 | STX | Lee James CI | EVP, CLO | M - OptEx | $158.40 | +4,032 | 9,360 | +76% | +$638.7K |
| DMT | 2026-08-26 16:21 | 2026-08-24 | STX | Lee James CI | EVP, CLO | S - Sale+OE | $794.84 | -9,013 | 347 | -96% | -$7.16M |
| MT | 2026-08-24 17:11 | 2026-08-21 | STX | Teh Ban Seng | EVP, Chief Commercial Off | S - Sale | $852.97 | -9,862 | 5,210 | -65% | -$8.41M |
| DMT | 2026-08-24 17:11 | 2026-08-20 | STX | Teh Ban Seng | EVP, Chief Commercial Off | M - OptEx | $52.67 | +18.2K | 21.1K | +621% | +$958.0K |
| DMT | 2026-08-24 17:11 | 2026-08-20 | STX | Teh Ban Seng | EVP, Chief Commercial Off | S - Sale+OE | $842.97 | -6,048 | 15.1K | -29% | -$5.10M |
| DMT | 2026-08-24 17:11 | 2026-08-20 | STX | Morris John Christopher | EVP, CTO | M - OptEx | $10.93 | +7,578 | 16.0K | +90% | +$82.8K |
| DMT | 2026-08-24 17:11 | 2026-08-20+ | STX | Morris John Christopher | EVP, CTO | S - Sale+OE | $847.57 | -4,038 | 15.5K | -21% | -$3.42M |
| DM | 2026-08-24 17:11 | 2026-08-20 | STX | Lee James CI | EVP, CLO | M - OptEx | $0.00 | +8,920 | 7,844 | New | $0 |
| DM | 2026-08-24 17:11 | 2026-08-21 | STX | Lee James CI | EVP, CLO | S - Sale+OE | $849.35 | -3,939 | 5,328 | -43% | -$3.35M |
| DM | 2026-08-24 17:11 | 2026-08-20 | STX | Chong Kian Fatt | EVP Gbl Ops | M - OptEx | $0.00 | +6,846 | 9,364 | +272% | $0 |
| DM | 2026-08-24 17:10 | 2026-08-20 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $0.00 | +16.9K | 30.0K | +129% | $0 |
| DM | 2026-08-24 17:10 | 2026-08-21 | STX | Romano Gianluca | EVP, CFO | S - Sale+OE | $849.35 | -9,076 | 28.5K | -24% | -$7.71M |
| DM | 2026-08-24 17:10 | 2026-08-20 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $0.00 | +33.8K | 314.6K | +12% | $0 |
| DM | 2026-08-24 17:10 | 2026-08-21 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale+OE | $849.35 | -18.1K | 311.2K | -6% | -$15.41M |
| DM | 2026-08-14 16:52 | 2026-08-13 | STX | Teh Ban Seng | EVP, Chief Commercial Off | M - OptEx | $76.43 | +6,002 | 10.3K | +140% | +$458.7K |
| DM | 2026-08-14 16:52 | 2026-08-13 | STX | Teh Ban Seng | EVP, Chief Commercial Off | S - Sale+OE | $920.80 | -7,361 | 2,931 | -72% | -$6.78M |
| MT | 2026-08-11 16:21 | 2026-08-07 | STX | Romano Gianluca | EVP, CFO | S - Sale | $845.12 | -880 | 20.7K | -4% | -$743.7K |
| MT | 2026-08-11 16:21 | 2026-08-07 | STX | Romano Gianluca | EVP, CFO | S - Sale | $811.25 | -14.1K | 21.5K | -40% | -$11.43M |
| MT | 2026-08-11 16:21 | 2026-08-07 | STX | Romano Gianluca | EVP, CFO | S - Sale | $781.64 | -7,240 | 35.6K | -17% | -$5.66M |
| T | 2026-08-04 18:09 | 2026-08-03 | STX | Morris John Christopher | EVP, CTO | S - Sale | $817.76 | -168 | 11.9K | -1% | -$137.4K |
| MT | 2026-08-04 18:09 | 2026-08-03 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale | $827.30 | -17.1K | 295.5K | -5% | -$14.13M |
| DT | 2026-08-04 18:09 | 2026-08-03 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $46.23 | +14.0K | 325.5K | +4% | +$647.2K |
| DMT | 2026-08-04 18:09 | 2026-08-03 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale+OE | $803.47 | -12.9K | 312.6K | -4% | -$10.38M |
| T | 2026-08-03 16:14 | 2026-07-30 | STX | Lee James CI | EVP, CLO | S - Sale | $877.45 | -694 | 346.75 | -67% | -$609.0K |
| D | 2026-07-24 16:18 | 2026-07-22 | STX | Lee James CI | EVP, CLO | M - OptEx | $0.00 | +1,237 | 1,561 | +382% | $0 |
| D | 2026-07-24 16:18 | 2026-07-23 | STX | Lee James CI | EVP, CLO | S - Sale+OE | $905.01 | -542.25 | 1,019 | -35% | -$490.7K |
| MT | 2026-07-02 16:40 | 2026-07-01 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale | $924.42 | -9,343 | 311.5K | -3% | -$8.64M |
| DT | 2026-07-02 16:40 | 2026-07-01 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $46.23 | +14.0K | 341.5K | +4% | +$647.2K |
| DMT | 2026-07-02 16:40 | 2026-07-01 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale+OE | $910.48 | -20.7K | 320.9K | -6% | -$18.81M |
| DT | 2026-06-15 17:45 | 2026-06-11 | STX | Morris John Christopher | EVP, CTO | M - OptEx | $0.00 | +942 | 13.5K | +8% | $0 |
| DMT | 2026-06-15 17:45 | 2026-06-12 | STX | Morris John Christopher | EVP, CTO | S - Sale+OE | $880.19 | -1,364 | 12.1K | -10% | -$1.20M |
| DT | 2026-06-15 17:45 | 2026-06-11 | STX | Teh Ban Seng | EVP, Chief Commercial Off | M - OptEx | $0.00 | +989 | 5,279 | +23% | $0 |
| DT | 2026-06-15 17:45 | 2026-06-12 | STX | Teh Ban Seng | EVP, Chief Commercial Off | S - Sale+OE | $880.19 | -989 | 4,290 | -19% | -$870.5K |
| D | 2026-06-15 17:45 | 2026-06-11 | STX | Chong Kian Fatt | EVP Gbl Ops | M - OptEx | $0.00 | +678 | 2,518 | +37% | $0 |
| D | 2026-06-15 17:44 | 2026-06-11 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $0.00 | +1,695 | 43.8K | +4% | $0 |
| D | 2026-06-15 17:44 | 2026-06-12 | STX | Romano Gianluca | EVP, CFO | S - Sale+OE | $880.19 | -903.25 | 42.9K | -2% | -$795.0K |
| D | 2026-06-15 17:44 | 2026-06-11 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $0.00 | +3,319 | 329.3K | +1% | $0 |
| D | 2026-06-15 17:44 | 2026-06-12 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale+OE | $880.19 | -1,768 | 327.5K | -0.5% | -$1.56M |
| DM | 2026-06-11 16:29 | 2026-06-09 | STX | Chong Kian Fatt | EVP Gbl Ops | M - OptEx | $0.00 | +581 | 1,840 | +46% | $0 |
| DMT | 2026-06-11 16:29 | 2026-06-09 | STX | Teh Ban Seng | EVP, Chief Commercial Off | M - OptEx | $0.00 | +1,262 | 4,953 | +34% | $0 |
| DT | 2026-06-11 16:29 | 2026-06-10 | STX | Teh Ban Seng | EVP, Chief Commercial Off | S - Sale+OE | $821.86 | -663 | 4,290 | -13% | -$544.9K |
| DM | 2026-06-11 16:29 | 2026-06-09 | STX | Morris John Christopher | EVP, CTO | M - OptEx | $0.00 | +1,130 | 12.8K | +10% | $0 |
| DM | 2026-06-11 16:29 | 2026-06-10 | STX | Morris John Christopher | EVP, CTO | S - Sale+OE | $821.66 | -573.75 | 12.5K | -4% | -$471.4K |
| DM | 2026-06-11 16:29 | 2026-06-09 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $0.00 | +5,230 | 327.3K | +2% | $0 |
| DM | 2026-06-11 16:29 | 2026-06-10 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale+OE | $821.74 | -2,855 | 326.0K | -0.9% | -$2.35M |
| DM | 2026-06-11 16:29 | 2026-06-09 | STX | Romano Gianluca | EVP, CFO | M - OptEx | $0.00 | +2,474 | 42.9K | +6% | $0 |
| DM | 2026-06-11 16:29 | 2026-06-10 | STX | Romano Gianluca | EVP, CFO | S - Sale+OE | $821.76 | -1,350 | 42.1K | -3% | -$1.11M |
| 2026-06-04 16:59 | 2026-06-04 | STX | Arumugavelu Shankar | Dir | S - Sale | $927.68 | -1,000 | 6,626 | -13% | -$927.7K | |
| T | 2026-06-02 17:17 | 2026-06-02 | STX | BHATT PRAT | Dir | S - Sale | $929.88 | -1,000 | 12.9K | -7% | -$929.9K |
| T | 2026-06-02 17:17 | 2026-06-01 | STX | Conyers Yolanda Lee | Dir | S - Sale | $885.33 | -750 | 4,101 | -15% | -$664.0K |
| MT | 2026-06-02 17:16 | 2026-06-01 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale | $924.99 | -13.8K | 323.6K | -4% | -$12.75M |
| DT | 2026-06-02 17:16 | 2026-06-01 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $46.23 | +14.0K | 353.6K | +4% | +$647.2K |
| DMT | 2026-06-02 17:16 | 2026-06-01 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale+OE | $900.21 | -16.2K | 337.4K | -5% | -$14.60M |
| DT | 2026-05-21 16:52 | 2026-05-20 | STX | MOSLEY WILLIAM D | CEO, Dir | M - OptEx | $46.23 | +14.0K | 369.6K | +4% | +$647.2K |
| DMT | 2026-05-21 16:52 | 2026-05-20 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale+OE | $751.29 | -30.0K | 339.6K | -8% | -$22.54M |
| DMT | 2026-05-14 16:52 | 2026-05-13+ | STX | Teh Ban Seng | EVP, Chief Commercial Off | S - Sale+OE | $815.42 | -15.6K | 3,691 | -81% | -$12.69M |
| DMT | 2026-05-14 16:52 | 2026-05-14 | STX | Teh Ban Seng | EVP, Chief Commercial Off | M - OptEx | $76.42 | +8,003 | 11.7K | +217% | +$611.6K |
| T | 2026-05-08 17:00 | 2026-05-07 | STX | Romano Gianluca | EVP, CFO | S - Sale | $770.00 | -1,902 | 40.9K | -4% | -$1.46M |
| MT | 2026-05-08 17:00 | 2026-05-06 | STX | Romano Gianluca | EVP, CFO | S - Sale | $774.22 | -22.5K | 42.8K | -34% | -$17.41M |
| M | 2026-05-06 16:36 | 2026-05-05 | STX | Tilenius Stephanie | Dir | S - Sale | $766.61 | -1,580 | 10.7K | -13% | -$1.21M |
| MT | 2026-05-06 16:36 | 2026-05-04 | STX | Morris John Christopher | EVP, CTO | S - Sale | $738.37 | -5,626 | 12.0K | -32% | -$4.15M |
| T | 2026-05-06 16:36 | 2026-05-04 | STX | Lee James CI | EVP, CLO | S - Sale | $741.17 | -697 | 324 | -68% | -$516.6K |
| D | 2026-04-23 16:54 | 2026-04-22 | STX | Lee James CI | EVP, CLO | M - OptEx | $0.00 | +1,237 | 1,561 | +382% | $0 |
| D | 2026-04-23 16:54 | 2026-04-22 | STX | Lee James CI | EVP, CLO | F - Tax | $579.88 | -540 | 1,021 | -35% | -$313.1K |
| MT | 2026-04-02 16:53 | 2026-04-01 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale | $420.73 | -20.0K | 355.6K | -5% | -$8.41M |
| 2026-03-23 | 2026-03-19 | STX | MOSLEY WILLIAM D | CEO, Dir | S - Sale | $406.77 | -24.6K | 375.6K | -6% | -$10.00M |
Purchase Sale Sale after option exercise All abbreviations