Western Digital Corp (WDC) insider trading.
In Q3 2026, insiders at Western Digital Corp reported 110 non-derivative transactions on 35 Forms 3, 4 and 5: 0 open-market purchases and 49 sales worth $15.8M.
- Transactions
- 110
- Purchases (P)
- 0
- Sales (S)
- 49
- Net shares, P minus S
- -35,037
- Insiders
- 9
- Last filed
- 2026-09-21
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Cole Martin I | Director | 32 | 0 | 32 |
| Tan Irving | Director, Officer · Chief Executive Officer | 22 | 0 | 7 |
| Tregillis Cynthia L | Officer · Chief Legal Officer & Corp Sec | 19 | 0 | 6 |
| Davis Brian Scott | Officer · Chief Sales & Mrktng Officer | 13 | 0 | 0 |
| Gubbi Vidyadhara K | Officer · Chief of Global Operations | 12 | 0 | 1 |
| Shihab Ahmed Mohammed | Officer · Chief Product Officer | 5 | 0 | 0 |
| Streeter Stephanie A | Director | 3 | 0 | 3 |
| Sennesael Kris | Officer · Chief Financial Officer | 3 | 0 | 0 |
| Feller Brad | Officer · SVP & Chief Accounting Officer | 1 | 0 | 0 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-20 | Davis Brian Scott | M (A) | 8 | $0 | 100,454 | Form 4 |
| 2026-09-20 | Davis Brian Scott | F (D) | 963 | $441.36 | 99,491 | Form 4 |
| 2026-09-20 | Tan Irving | M (A) | 57 | $0 | 266,704 | Form 4 |
| 2026-09-20 | Tan Irving | F (D) | 1,091 | $441.36 | 265,613 | Form 4 |
| 2026-09-17 | Shihab Ahmed Mohammed | M (A) | 56 | $0 | 163,758 | Form 4 |
| 2026-09-17 | Shihab Ahmed Mohammed | F (D) | 5,150 | $423.87 | 158,608 | Form 4 |
| 2026-09-04 | Gubbi Vidyadhara K | S (D) | 1,795 | $459.87 | 80,571 | Form 4 |
| 2026-09-04 | Tregillis Cynthia L | S (D) | 432 | $451.2 | 111,030 | Form 4 |
| 2026-09-03 | Davis Brian Scott | F (D) | 882 | $441.57 | 100,446 | Form 4 |
| 2026-09-03 | Davis Brian Scott | M (A) | 7 | $0 | 101,328 | Form 4 |
| 2026-09-03 | Gubbi Vidyadhara K | M (A) | 14 | $0 | 84,130 | Form 4 |
| 2026-09-03 | Gubbi Vidyadhara K | F (D) | 1,764 | $441.57 | 82,366 | Form 4 |
| 2026-09-03 | Tregillis Cynthia L | M (A) | 7 | $0 | 112,162 | Form 4 |
| 2026-09-03 | Tregillis Cynthia L | F (D) | 700 | $441.57 | 111,462 | Form 4 |
| 2026-09-01 | Streeter Stephanie A | S (D) | 1,600 | $455 | 34,807 | Form 4 |
| 2026-09-01 | Tan Irving | G (D) | 112,500 | $0 | 0 | Form 4 |
| 2026-09-01 | Tan Irving | G (A) | 112,500 | $0 | 112,500 | Form 4 |
| 2026-08-31 | Streeter Stephanie A | S (D) | 2,000 | $448.58 | 36,407 | Form 4 |
| 2026-08-31 | Streeter Stephanie A | S (D) | 2,000 | $447.06 | 38,407 | Form 4 |
| 2026-08-31 | Tan Irving | J (A) | 112,500 | $0 | 112,500 | Form 4 |
| 2026-08-31 | Tan Irving | J (D) | 112,500 | $0 | 266,647 | Form 4 |
| 2026-08-27 | Tregillis Cynthia L | S (D) | 1,007 | $478.36 | 112,155 | Form 4 |
| 2026-08-26 | Davis Brian Scott | M (A) | 7 | $0 | 102,965 | Form 4 |
| 2026-08-26 | Davis Brian Scott | F (D) | 1,644 | $468.88 | 101,321 | Form 4 |
| 2026-08-26 | Gubbi Vidyadhara K | M (A) | 9 | $0 | 86,172 | Form 4 |
| 2026-08-26 | Gubbi Vidyadhara K | F (D) | 2,056 | $468.88 | 84,116 | Form 4 |
| 2026-08-26 | Sennesael Kris | M (A) | 19 | $0 | 178,026 | Form 4 |
| 2026-08-26 | Sennesael Kris | F (D) | 4,317 | $468.88 | 173,709 | Form 4 |
| 2026-08-26 | Shihab Ahmed Mohammed | M (A) | 15 | $0 | 166,443 | Form 4 |
| 2026-08-26 | Shihab Ahmed Mohammed | F (D) | 2,741 | $468.88 | 163,702 | Form 4 |
| 2026-08-26 | Tan Irving | F (D) | 3,314 | $468.88 | 379,147 | Form 4 |
| 2026-08-26 | Tan Irving | M (A) | 42 | $0 | 382,461 | Form 4 |
| 2026-08-26 | Tregillis Cynthia L | S (D) | 476 | $450.78 | 114,784 | Form 4 |
| 2026-08-26 | Tregillis Cynthia L | M (A) | 9 | $0 | 114,793 | Form 4 |
| 2026-08-26 | Tregillis Cynthia L | F (D) | 1,631 | $468.88 | 113,162 | Form 4 |
| 2026-08-25 | Davis Brian Scott | M (A) | 7 | $0 | 100,310 | Form 4 |
| 2026-08-25 | Davis Brian Scott | A (A) | 3,619 | $0 | 102,958 | Form 4 |
| 2026-08-25 | Davis Brian Scott | F (D) | 971 | $450.75 | 99,339 | Form 4 |
| 2026-08-25 | Feller Brad | A (A) | 2,068 | $0 | 12,043 | Form 4 |
| 2026-08-25 | Gubbi Vidyadhara K | F (D) | 1,143 | $450.75 | 80,992 | Form 4 |
| 2026-08-25 | Gubbi Vidyadhara K | M (A) | 9 | $0 | 82,135 | Form 4 |
| 2026-08-25 | Gubbi Vidyadhara K | A (A) | 5,171 | $0 | 86,163 | Form 4 |
| 2026-08-25 | Sennesael Kris | A (A) | 8,274 | $0 | 178,007 | Form 4 |
| 2026-08-25 | Shihab Ahmed Mohammed | A (A) | 6,722 | $0 | 166,428 | Form 4 |
| 2026-08-25 | Tan Irving | A (A) | 16,548 | $0 | 382,419 | Form 4 |
| 2026-08-25 | Tan Irving | F (D) | 476 | $450.75 | 365,871 | Form 4 |
| 2026-08-25 | Tan Irving | M (A) | 32 | $0 | 366,347 | Form 4 |
| 2026-08-25 | Tregillis Cynthia L | M (A) | 7 | $0 | 112,153 | Form 4 |
| 2026-08-25 | Tregillis Cynthia L | A (A) | 3,878 | $0 | 115,260 | Form 4 |
| 2026-08-25 | Tregillis Cynthia L | F (D) | 771 | $450.75 | 111,382 | Form 4 |
| 2026-08-24 | Tregillis Cynthia L | S (D) | 684 | $446.17 | 112,146 | Form 4 |
| 2026-08-21 | Davis Brian Scott | F (D) | 593 | $459.44 | 100,303 | Form 4 |
| 2026-08-21 | Davis Brian Scott | M (A) | 4 | $0 | 100,896 | Form 4 |
| 2026-08-21 | Gubbi Vidyadhara K | M (A) | 5 | $0 | 82,820 | Form 4 |
| 2026-08-21 | Gubbi Vidyadhara K | F (D) | 694 | $459.44 | 82,126 | Form 4 |
| 2026-08-21 | Tan Irving | F (D) | 545 | $459.44 | 575,315 | Form 4 |
| 2026-08-21 | Tan Irving | M (A) | 25 | $0 | 575,860 | Form 4 |
| 2026-08-21 | Tregillis Cynthia L | F (D) | 1,109 | $459.44 | 112,830 | Form 4 |
| 2026-08-21 | Tregillis Cynthia L | M (A) | 11 | $0 | 113,939 | Form 4 |
| 2026-08-21 | Tregillis Cynthia L | S (D) | 235 | $477.27 | 113,928 | Form 4 |
| 2026-08-20 | Davis Brian Scott | M (A) | 5 | $0 | 101,608 | Form 4 |
| 2026-08-20 | Davis Brian Scott | F (D) | 716 | $469.05 | 100,892 | Form 4 |
| 2026-08-20 | Gubbi Vidyadhara K | F (D) | 592 | $469.05 | 82,815 | Form 4 |
| 2026-08-20 | Gubbi Vidyadhara K | M (A) | 4 | $0 | 83,407 | Form 4 |
| 2026-08-20 | Tan Irving | M (A) | 13 | $0 | 575,979 | Form 4 |
| 2026-08-20 | Tan Irving | F (D) | 144 | $469.05 | 575,835 | Form 4 |
| 2026-08-20 | Tregillis Cynthia L | M (A) | 3 | $0 | 114,542 | Form 4 |
| 2026-08-20 | Tregillis Cynthia L | F (D) | 379 | $469.05 | 114,163 | Form 4 |
| 2026-08-11 | Tan Irving | S (D) | 1,840 | $443.35 | 590,659 | Form 4 |
| 2026-08-11 | Tan Irving | S (D) | 1,546 | $447.18 | 575,966 | Form 4 |
| 2026-08-11 | Tan Irving | S (D) | 6,445 | $446.38 | 577,512 | Form 4 |
| 2026-08-11 | Tan Irving | S (D) | 989 | $442.22 | 592,499 | Form 4 |
| 2026-08-11 | Tan Irving | S (D) | 4,822 | $445.45 | 583,957 | Form 4 |
| 2026-08-11 | Tan Irving | S (D) | 1,880 | $444.67 | 588,779 | Form 4 |
| 2026-08-11 | Tan Irving | S (D) | 2,478 | $441.48 | 593,488 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 38 | $432.2 | 24,809 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 199 | $461.23 | 21,625 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 248 | $459.97 | 21,824 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 529 | $458.96 | 22,072 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 328 | $457.45 | 22,601 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 312 | $456.52 | 22,929 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 304 | $455.55 | 23,241 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 128 | $454.44 | 23,545 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 144 | $453.27 | 23,673 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 106 | $452.12 | 23,817 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 70 | $451.3 | 23,923 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 39 | $449.42 | 23,993 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 41 | $448.46 | 24,032 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 32 | $447.1 | 24,073 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 32 | $444.51 | 24,105 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 32 | $442.47 | 24,137 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 96 | $440.96 | 24,169 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 64 | $439.38 | 24,265 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 118 | $438.08 | 24,329 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 154 | $436.89 | 24,447 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 32 | $435.59 | 24,601 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 64 | $424.05 | 25,369 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 32 | $425.31 | 25,337 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 64 | $426.45 | 25,273 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 115 | $428.08 | 25,158 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 93 | $429.12 | 25,065 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 103 | $430.45 | 24,962 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 115 | $431.41 | 24,847 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 112 | $433.84 | 24,697 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 64 | $434.81 | 24,633 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 32 | $465.12 | 21,433 | Form 4 |
| 2026-07-28 | Cole Martin I | S (D) | 160 | $462.3 | 21,465 | Form 4 |
| 2026-07-21 | Tregillis Cynthia L | S (D) | 808 | $529.63 | 114,539 | Form 4 |
| 2026-07-20 | Tregillis Cynthia L | F (D) | 1,309 | $487.42 | 115,347 | Form 4 |
| 2026-07-20 | Tregillis Cynthia L | M (A) | 13 | $0 | 116,656 | Form 4 |
Transaction codes in this quarter
Get WDC insider transactions through the API
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curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=106040&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · WDC company page · Western Digital Corp on SEC.gov
Questions
Are insiders buying or selling Western Digital Corp (WDC)?
In Q3 2026, insiders at Western Digital Corp reported 110 non-derivative transactions on 35 Forms 3, 4 and 5: 0 open-market purchases and 49 sales worth $15.8M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Western Digital Corp insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Source: SEC Insider Transactions Data Sets, Q3 2026, retrieved 2026-10-27. Footnotes, derivative holdings and amendments are in the linked filings. Not investment advice.
Plain-text version for agents and LLMs: /insider-trading/wdc.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.