Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Seagate Technology Holdings Plc (STX) since 2014 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Seagate Technology Holdings Plc. (See page 1 of this report.) Table 2 shows the detailed insider transactions. This company's CIK number is 1137789.
Total stock buying since 2014: $354,062,783.
Total stock sales since 2014: $1,930,101,625.
Total stock option exercises since 2014: $116,811,618.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 484,887 | $59,046,243 | 281,623 | $11,965,746 |
| 2024 | 0 | $0 | 369,227 | $38,187,891 | 367,607 | $8,117,042 |
| 2023 | 0 | $0 | 608,116 | $45,211,002 | 719,475 | $19,346,875 |
| 2022 | 0 | $0 | 2,127,953 | $229,625,924 | 111,703 | $1,117,550 |
| 2021 | 321 | $26,871 | 15,654,729 | $1,293,379,219 | 777,613 | $34,325,341 |
| 2020 | 0 | $0 | 1,766,778 | $105,643,045 | 224,016 | $3,006,647 |
| 2019 | 2,225,000 | $99,910,000 | 1,053,491 | $58,167,202 | 652,241 | $20,050,595 |
| 2018 | 4,887,078 | $243,864,776 | 899,543 | $48,579,950 | 576,064 | $13,291,547 |
| 2017 | 6,000 | $220,236 | 292,710 | $13,084,803 | 140,252 | $2,704,502 |
| 2016 | 405,000 | $10,040,900 | 90,620 | $2,784,721 | 75,148 | $464,592 |
| 2015 | 0 | $0 | 633,296 | $35,770,725 | 231,351 | $2,421,181 |
| 2014 | 0 | $0 | 10,000 | $620,900 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2020-11-23 | Nygaard Jeffrey D. (Executive Vice President) | Sale | 4,145 | 56.50 | 234,192 |
| 2020-11-23 | Nygaard Jeffrey D. (Executive Vice President) | Option Ex | 4,145 | 30.95 | 128,287 |
| 2020-10-21 | Tilenius Stephanie | Option Ex | 5,579 | .00 | 0 |
| 2020-10-21 | Geldmacher Jay L | Option Ex | 5,579 | .00 | 0 |
| 2020-10-21 | Valueact Holdings Gp, Llc (Director) | Option Ex | 5,579 | .00 | 0 |
| 2020-10-21 | Adams Mark | Option Ex | 5,579 | .00 | 0 |
| 2020-10-21 | Zander Edward J | Option Ex | 5,579 | .00 | 0 |
| 2020-10-21 | Luczo Stephen J | Option Ex | 5,579 | .00 | 0 |
| 2020-10-21 | Cannon Michael R | Option Ex | 5,579 | .00 | 0 |
| 2020-10-21 | Bruner Judy | Option Ex | 5,579 | .00 | 0 |
| 2020-10-21 | Coleman William T Iii | Option Ex | 5,579 | .00 | 0 |
| 2020-10-20 | Luczo Stephen J | Sale | 7,000 | 52.49 | 367,430 |
| 2020-10-08 | Luczo Stephen J | Sale | 56,000 | 51.00 | 2,856,168 |
| 2020-09-11 | Fochtman Jeffrey D. (SVP, Business & Marketing) | Option Ex | 1,148 | .00 | 0 |
| 2020-09-11 | Teh Ban Seng (SVP, Sales) | Option Ex | 623 | .00 | 0 |
| 2020-09-11 | Nygaard Jeffrey D. (Executive Vice President) | Option Ex | 2,488 | .00 | 0 |
| 2020-09-11 | Luczo Stephen J | Option Ex | 70,008 | .00 | 0 |
| 2020-09-10 | Fochtman Jeffrey D. (SVP, Business & Marketing) | Option Ex | 1,620 | .00 | 0 |
| 2020-09-10 | Teh Ban Seng (SVP, Sales) | Option Ex | 3,554 | .00 | 0 |
| 2020-09-10 | Schuelke Katherine (SVP, CLO & Corporate Secretary) | Option Ex | 3,907 | .00 | 0 |
| 2020-09-09 | Fochtman Jeffrey D. (SVP, Business & Marketing) | Option Ex | 2,490 | .00 | 0 |
| 2020-09-09 | Teh Ban Seng (SVP, Sales) | Option Ex | 2,340 | .00 | 0 |
| 2020-09-09 | Nygaard Jeffrey D. (Executive Vice President) | Option Ex | 3,032 | .00 | 0 |
| 2020-09-09 | Schuelke Katherine (SVP, CLO & Corporate Secretary) | Option Ex | 1,807 | .00 | 0 |
| 2020-09-03 | Zander Edward J | Sale | 16,698 | 47.75 | 797,379 |
| 2020-07-23 | Teh Ban Seng (SVP, Sales) | Sale | 498 | 50.00 | 24,900 |
| 2020-07-23 | Teh Ban Seng (SVP, Sales) | Option Ex | 498 | 33.52 | 16,692 |
| 2020-06-16 | Luczo Stephen J | Sale | 7,000 | 52.35 | 366,457 |
| 2020-06-12 | Teh Ban Seng (SVP, Sales) | Sale | 498 | 52.80 | 26,294 |
| 2020-06-12 | Teh Ban Seng (SVP, Sales) | Option Ex | 498 | 33.52 | 16,692 |
| 2020-06-02 | Luczo Stephen J | Sale | 7,000 | 51.74 | 362,208 |
| 2020-05-20 | Luczo Stephen J | Sale | 5,000 | 50.91 | 254,555 |
| 2020-05-12 | Teh Ban Seng (SVP, Sales) | Sale | 497 | 50.06 | 24,879 |
| 2020-05-12 | Teh Ban Seng (SVP, Sales) | Option Ex | 497 | 33.52 | 16,659 |
| 2020-05-06 | Luczo Stephen J | Sale | 5,000 | 47.34 | 236,705 |
| 2020-04-29 | Luczo Stephen J | Sale | 33,936 | 50.60 | 1,717,229 |
| 2020-04-28 | Luczo Stephen J | Sale | 20,000 | 49.23 | 984,680 |
| 2020-04-27 | Luczo Stephen J | Sale | 46,064 | 49.51 | 2,280,490 |
| 2020-04-22 | Luczo Stephen J | Sale | 5,000 | 50.49 | 252,440 |
| 2020-04-13 | Teh Ban Seng (SVP, Sales) | Sale | 499 | 50.79 | 25,344 |
| 2020-04-13 | Teh Ban Seng (SVP, Sales) | Option Ex | 499 | 33.52 | 16,726 |
| 2020-04-08 | Luczo Stephen J | Sale | 5,000 | 49.52 | 247,585 |
| 2020-03-30 | Teh Ban Seng (SVP, Sales) | Sale | 498 | 50.00 | 24,900 |
| 2020-03-30 | Teh Ban Seng (SVP, Sales) | Option Ex | 498 | 33.52 | 16,692 |
| 2020-03-25 | Luczo Stephen J | Sale | 5,000 | 47.01 | 235,035 |
| 2020-03-13 | Luczo Stephen J | Sale | 5,000 | 47.00 | 235,000 |
| 2020-02-12 | Luczo Stephen J | Sale | 5,000 | 55.96 | 279,800 |
| 2020-01-29 | Luczo Stephen J | Sale | 5,000 | 60.55 | 302,760 |
| 2020-01-21 | Schuelke Katherine (SVP, CLO & Corporate Secretary) | Sale | 2,306 | 61.00 | 140,666 |
| 2020-01-21 | Schuelke Katherine (SVP, CLO & Corporate Secretary) | Option Ex | 2,306 | 39.42 | 90,902 |
| 2020-01-15 | Luczo Stephen J | Sale | 5,000 | 60.54 | 302,715 |
| 2020-01-02 | Luczo Stephen J | Sale | 5,000 | 59.81 | 299,050 |
| 2019-12-20 | Schuelke Katherine (SVP, CLO & Corporate Secretary) | Sale | 2,306 | 59.00 | 136,054 |
| 2019-12-20 | Schuelke Katherine (SVP, CLO & Corporate Secretary) | Option Ex | 2,306 | 39.42 | 90,902 |
| 2019-12-18 | Luczo Stephen J | Sale | 5,000 | 59.10 | 295,515 |
| 2019-12-06 | Murphy James J (EVP, Sales & Marketing) | Sale | 7,415 | 59.36 | 440,154 |
| 2019-12-04 | Luczo Stephen J | Sale | 5,000 | 58.83 | 294,125 |
| 2019-12-02 | Luczo Stephen J | Sale | 50,000 | 59.78 | 2,989,250 |
| 2019-11-22 | Murphy James J (EVP, Sales & Marketing) | Sale | 3,212 | 59.02 | 189,581 |
| 2019-11-22 | Murphy James J (EVP, Sales & Marketing) | Option Ex | 3,212 | 40.62 | 130,471 |
| 2019-11-21 | Luczo Stephen J | Sale | 85,000 | 59.43 | 5,051,295 |
| 2019-11-21 | Murphy James J (EVP, Sales & Marketing) | Sale | 8,308 | 59.34 | 492,996 |
| 2019-11-21 | Murphy James J (EVP, Sales & Marketing) | Option Ex | 8,308 | 38.76 | 322,018 |
| 2019-11-20 | Luczo Stephen J | Sale | 5,000 | 59.26 | 296,290 |
| 2019-11-20 | Schuelke Katherine (SVP, CLO & Corporate Secretary) | Sale | 2,306 | 59.20 | 136,515 |
| 2019-11-20 | Schuelke Katherine (SVP, CLO & Corporate Secretary) | Option Ex | 2,306 | 39.42 | 90,902 |
| 2019-11-18 | Nygaard Jeffrey D. (Executive Vice President) | Sale | 3,916 | 60.03 | 235,073 |
| 2019-11-18 | Nygaard Jeffrey D. (Executive Vice President) | Option Ex | 3,916 | 30.95 | 121,200 |
| 2019-11-15 | Schuelke Katherine (SVP, CLO & Corporate Secretary) | Sale | 62,257 | 59.00 | 3,673,163 |
| 2019-11-15 | Schuelke Katherine (SVP, CLO & Corporate Secretary) | Option Ex | 62,257 | 39.42 | 2,454,170 |
| 2019-11-11 | Murphy James J (EVP, Sales & Marketing) | Sale | 23,971 | 58.49 | 1,401,967 |
| 2019-11-11 | Murphy James J (EVP, Sales & Marketing) | Option Ex | 23,971 | 38.76 | 929,115 |
| 2019-11-06 | Luczo Stephen J | Sale | 5,000 | 57.48 | 287,400 |
| 2019-11-06 | Murphy James J (EVP, Sales & Marketing) | Sale | 76,393 | 57.67 | 4,405,660 |
| 2019-11-06 | Murphy James J (EVP, Sales & Marketing) | Option Ex | 76,393 | 38.76 | 2,960,992 |
| 2019-11-05 | Murphy James J (EVP, Sales & Marketing) | Sale | 100,000 | 57.82 | 5,781,700 |
| 2019-11-05 | Murphy James J (EVP, Sales & Marketing) | Option Ex | 100,000 | 38.76 | 3,876,000 |
| 2019-11-04 | Luczo Stephen J | Sale | 100,000 | 58.03 | 5,803,000 |
| 2019-11-04 | Murphy James J (EVP, Sales & Marketing) | Sale | 123,607 | 57.74 | 7,137,068 |
| 2019-11-04 | Murphy James J (EVP, Sales & Marketing) | Option Ex | 123,607 | 40.00 | 4,944,280 |
| 2019-10-28 | Tilenius Stephanie | Option Ex | 5,146 | .00 | 0 |
| 2019-10-28 | Geldmacher Jay L | Option Ex | 5,146 | .00 | 0 |
| 2019-10-28 | Valueact Holdings Gp, Llc (Director) | Option Ex | 5,146 | .00 | 0 |
| 2019-10-28 | Adams Mark | Option Ex | 5,146 | .00 | 0 |
| 2019-10-28 | Zander Edward J | Option Ex | 5,146 | .00 | 0 |
| 2019-10-28 | Luczo Stephen J | Option Ex | 5,146 | .00 | 0 |
| 2019-10-28 | Cannon Michael R | Option Ex | 5,146 | .00 | 0 |
| 2019-10-28 | Bruner Judy | Option Ex | 5,146 | .00 | 0 |
| 2019-10-28 | Coleman William T Iii | Option Ex | 5,146 | .00 | 0 |
| 2019-10-25 | Nygaard Jeffrey D. (Executive Vice President) | Sale | 2,000 | 57.00 | 114,000 |
| 2019-10-25 | Nygaard Jeffrey D. (Executive Vice President) | Option Ex | 2,000 | 30.95 | 61,900 |
| 2019-10-23 | Luczo Stephen J | Sale | 5,000 | 55.60 | 278,000 |
| 2019-10-22 | Nygaard Jeffrey D. (Executive Vice President) | Sale | 2,969 | 55.90 | 165,967 |
| 2019-10-22 | Nygaard Jeffrey D. (Executive Vice President) | Option Ex | 2,969 | 40.16 | 119,235 |
| 2019-10-16 | Nygaard Jeffrey D. (Executive Vice President) | Sale | 2,000 | 55.00 | 110,000 |
| 2019-10-16 | Nygaard Jeffrey D. (Executive Vice President) | Option Ex | 2,000 | 30.95 | 61,900 |
| 2019-10-09 | Luczo Stephen J | Sale | 5,000 | 51.51 | 257,550 |
| 2019-09-30 | Nygaard Jeffrey D. (Executive Vice President) | Sale | 12,000 | 53.78 | 645,360 |
| 2019-09-30 | Nygaard Jeffrey D. (Executive Vice President) | Option Ex | 12,000 | 35.55 | 426,660 |
| 2019-09-25 | Luczo Stephen J | Sale | 5,000 | 52.20 | 261,000 |
| 2019-09-11 | Nygaard Jeffrey D. (Executive Vice President) | Option Ex | 2,487 | .00 | 0 |
| 2019-09-11 | Luczo Stephen J | Sale | 5,000 | 55.29 | 276,455 |
| 2019-09-11 | Luczo Stephen J | Option Ex | 70,005 | .00 | 0 |
| 2019-09-10 | Schuelke Katherine (SVP, CLO & Corporate Secretary) | Option Ex | 3,907 | .00 | 0 |
| 2019-09-09 | Nygaard Jeffrey D. (Executive Vice President) | Option Ex | 4,283 | .00 | 0 |
| 2019-09-06 | Mosley William D (Chief Executive Officer) | Sale | 90,000 | 54.31 | 4,887,900 |
| 2019-09-06 | Mosley William D (Chief Executive Officer) | Option Ex | 90,000 | 35.02 | 3,151,350 |
| 2019-08-28 | Luczo Stephen J | Sale | 5,000 | 47.00 | 235,000 |
| 2019-08-19 | Luczo Stephen J | Sale | 5,000 | 47.00 | 235,000 |
| 2019-07-31 | Luczo Stephen J | Sale | 5,000 | 47.37 | 236,855 |
| 2019-07-17 | Luczo Stephen J | Sale | 5,000 | 47.21 | 236,050 |
| 2019-07-03 | Luczo Stephen J | Sale | 5,000 | 47.45 | 237,250 |
| 2019-06-24 | Luczo Stephen J | Sale | 10,000 | 47.00 | 470,000 |
| 2019-05-06 | Luczo Stephen J | Sale | 99,999 | 49.33 | 4,932,850 |
| 2019-02-20 | Luczo Stephen J | Sale | 50,000 | 46.09 | 2,304,500 |
| 2019-02-14 | Luczo Stephen J | Sale | 50,000 | 45.67 | 2,283,700 |
| 2019-02-14 | Murphy James J (EVP, Sales & Marketing) | Sale | 20,832 | 45.74 | 952,959 |
| 2019-02-14 | Murphy James J (EVP, Sales & Marketing) | Option Ex | 10,000 | 30.95 | 309,500 |
| 2019-02-08 | Valueact Holdings Gp, Llc (Director) | Buy | 725,000 | 44.60 | 32,335,000 |
| 2019-02-07 | Valueact Holdings Gp, Llc (Director) | Buy | 750,000 | 44.42 | 33,315,000 |
| 2019-02-06 | Valueact Holdings Gp, Llc (Director) | Buy | 750,000 | 45.68 | 34,260,000 |
| 2018-12-07 | Valueact Holdings Gp, Llc (Director) | Buy | 271,131 | 40.44 | 10,964,537 |
| 2018-12-06 | Valueact Holdings Gp, Llc (Director) | Buy | 128,869 | 40.97 | 5,279,762 |
| 2018-12-03 | Luczo Stephen J | Sale | 30,000 | 44.16 | 1,324,770 |
| 2018-11-30 | Valueact Holdings Gp, Llc (Director) | Buy | 91,615 | 41.94 | 3,842,333 |
| 2018-11-30 | Murphy James J (EVP, Sales & Marketing) | Sale | 13,660 | 42.53 | 580,987 |
| 2018-11-28 | Valueact Holdings Gp, Llc (Director) | Buy | 32,512 | 41.99 | 1,365,178 |
| 2018-11-23 | Valueact Holdings Gp, Llc (Director) | Buy | 5,415 | 41.99 | 227,375 |
| 2018-11-20 | Valueact Holdings Gp, Llc (Director) | Buy | 365,671 | 41.84 | 15,299,674 |
| 2018-10-29 | Valueact Holdings Gp, Llc (Director) | Option Ex | 5,285 | .00 | 0 |
| 2018-10-29 | Bruner Judy | Option Ex | 5,285 | .00 | 0 |
| 2018-10-18 | Tilenius Stephanie | Option Ex | 8,094 | .00 | 0 |
| 2018-10-18 | Geldmacher Jay L | Option Ex | 8,094 | .00 | 0 |
| 2018-10-18 | Adams Mark | Option Ex | 8,094 | .00 | 0 |
| 2018-10-18 | Zander Edward J | Option Ex | 8,094 | .00 | 0 |
| 2018-10-18 | Park Chong Sup | Option Ex | 8,094 | .00 | 0 |
| 2018-10-18 | Cannon Michael R | Option Ex | 8,094 | .00 | 0 |
| 2018-10-18 | Cheng Mei Wei | Option Ex | 8,094 | .00 | 0 |
| 2018-10-18 | Coleman William T Iii | Option Ex | 8,094 | .00 | 0 |
| 2018-09-11 | Hottier-fayon Geraldine (Interim Prin. Accounting Ofcr) | Option Ex | 1,098 | .00 | 0 |
| 2018-09-11 | Nygaard Jeffrey D. (Executive Vice President) | Option Ex | 2,487 | .00 | 0 |
| 2018-09-11 | Luczo Stephen J (Executive Chairman & COB) | Option Ex | 70,004 | .00 | 0 |
| 2018-09-09 | Hottier-fayon Geraldine (Interim Prin. Accounting Ofcr) | Option Ex | 2,781 | .00 | 0 |
| 2018-09-09 | Scolnick Kathryn R. (Interim CFO) | Option Ex | 4,558 | .00 | 0 |
| 2018-09-09 | Nygaard Jeffrey D. (Executive Vice President) | Option Ex | 5,322 | .00 | 0 |
| 2018-08-29 | Murphy James J (EVP, Sales & Marketing) | Sale | 509 | 56.60 | 28,809 |
| 2018-08-29 | Murphy James J (EVP, Sales & Marketing) | Option Ex | 99 | 38.76 | 3,837 |
| 2018-08-21 | Luczo Stephen J (Executive Chairman & COB) | Sale | 35,000 | 55.40 | 1,939,105 |
| 2018-08-17 | Valueact Holdings Gp, Llc (Director) | Buy | 23,200 | 52.95 | 1,228,440 |
| 2018-08-16 | Scolnick Kathryn R. (Interim CFO) | Sale | 10,577 | 53.12 | 561,850 |
Insider trading activities including stock purchases, stock sales, and option exercises of STX listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Seagate Technology Holdings Plc (symbol STX, CIK number 1137789) see the Securities and Exchange Commission (SEC) website.