-$76M
Net insider buying / selling at Western Digital (WDC) over the last 2 years. Updated Jul 21, 2026
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Are Western Digital Insiders Buying or Selling?
Western Digital (WDC) has had 33 insider transactions in the past 90 days, all sells. The most recent was Cynthia Tregillis, who sold 808 shares at $529.63 on July 21, 2026.
Insider trading patterns can signal confidence or concern from the people who know the company best. AltIndex tracks insider transactions as one of 25+ alternative data signals in the WDC AI Score. For government officials trading this stock, see WDC congressional trading.
Who’s Trading Western Digital Stock?
| Insider | Activity | Trades | Last Trade |
|---|---|---|---|
| Irving Tan | Sold $17M | 31 | May 1, 2026 |
| Vidyadhara Gubbi | Sold $14M | 11 | Jun 1, 2026 |
| David Goeckeler | Sold $11M | 2 | Oct 25, 2024 |
| MATTHEW MASSENGILL | Sold $8.9M | 10 | Feb 5, 2026 |
| Davis Brian Scott | Sold $7.7M | 28 | May 11, 2026 |
| Cynthia Tregillis | Sold $7.2M | 15 | Jul 21, 2026 |
Recent Western Digital Insider Transactions
| Insider | Transaction Date | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Cynthia Tregillis | Jul 21, 2026 | Sell | 808 | $529.63 | $430,000 |
| Martin Cole | Jun 9, 2026 | Sell | 112 | $536.27 | $60,000 |
| Martin Cole | Jun 9, 2026 | Sell | 392 | $515.4 | $200,000 |
| Martin Cole | Jun 9, 2026 | Sell | 326 | $510.61 | $170,000 |
| Martin Cole | Jun 9, 2026 | Sell | 316 | $513.14 | $160,000 |
| Martin Cole | Jun 9, 2026 | Sell | 310 | $511.67 | $160,000 |
| Martin Cole | Jun 9, 2026 | Sell | 296 | $514.09 | $150,000 |
| Martin Cole | Jun 9, 2026 | Sell | 216 | $517.59 | $110,000 |
| Martin Cole | Jun 9, 2026 | Sell | 160 | $521.14 | $83,000 |
| Martin Cole | Jun 9, 2026 | Sell | 128 | $527.22 | $67,000 |
| Martin Cole | Jun 9, 2026 | Sell | 112 | $516.72 | $58,000 |
| Martin Cole | Jun 9, 2026 | Sell | 96 | $533.01 | $51,000 |
| Martin Cole | Jun 9, 2026 | Sell | 71 | $537.73 | $38,000 |
| Martin Cole | Jun 9, 2026 | Sell | 64 | $530.27 | $34,000 |
| Martin Cole | Jun 9, 2026 | Sell | 57 | $538.81 | $31,000 |
| Martin Cole | Jun 9, 2026 | Sell | 48 | $543.92 | $26,000 |
| Martin Cole | Jun 9, 2026 | Sell | 32 | $539.82 | $17,000 |
| Martin Cole | Jun 9, 2026 | Sell | 16 | $544.95 | $8,700 |
| Martin Cole | Jun 9, 2026 | Sell | 96 | $507.94 | $49,000 |
| Martin Cole | Jun 9, 2026 | Sell | 80 | $503.8 | $40,000 |
| Martin Cole | Jun 9, 2026 | Sell | 64 | $501.72 | $32,000 |
| Martin Cole | Jun 9, 2026 | Sell | 48 | $524.72 | $25,000 |
| Martin Cole | Jun 9, 2026 | Sell | 44 | $493.64 | $22,000 |
| Martin Cole | Jun 9, 2026 | Sell | 38 | $491.06 | $19,000 |
| Martin Cole | Jun 9, 2026 | Sell | 32 | $523.23 | $17,000 |
| Martin Cole | Jun 9, 2026 | Sell | 30 | $492.38 | $15,000 |
| Martin Cole | Jun 9, 2026 | Sell | 16 | $525.56 | $8,400 |
| Cynthia Tregillis | Jun 5, 2026 | Sell | 432 | $545.6 | $240,000 |
| Vidyadhara Gubbi | Jun 1, 2026 | Sell | 2,475 | $556.24 | $1.4M |
| BRUCE KIDDOO | May 28, 2026 | Sell | 750 | $528.52 | $400,000 |
| Cynthia Tregillis | May 27, 2026 | Sell | 214 | $539.63 | $120,000 |
| Cynthia Tregillis | May 22, 2026 | Sell | 308 | $488.61 | $150,000 |
| Cynthia Tregillis | May 21, 2026 | Sell | 106 | $458.87 | $49,000 |
| Davis Brian Scott | May 11, 2026 | Sell | 1,675 | $489.78 | $820,000 |
| Davis Brian Scott | May 11, 2026 | Sell | 1,617 | $504.1 | $820,000 |
| Davis Brian Scott | May 11, 2026 | Sell | 996 | $500.18 | $500,000 |
| Davis Brian Scott | May 11, 2026 | Sell | 966 | $501.44 | $480,000 |
| Davis Brian Scott | May 11, 2026 | Sell | 876 | $503.57 | $440,000 |
| Davis Brian Scott | May 11, 2026 | Sell | 751 | $509.18 | $380,000 |
| Davis Brian Scott | May 11, 2026 | Sell | 745 | $502.49 | $370,000 |
| Davis Brian Scott | May 11, 2026 | Sell | 562 | $505.25 | $280,000 |
| Davis Brian Scott | May 11, 2026 | Sell | 401 | $499.02 | $200,000 |
| Davis Brian Scott | May 11, 2026 | Sell | 386 | $506.92 | $200,000 |
| Davis Brian Scott | May 11, 2026 | Sell | 301 | $510 | $150,000 |
| Davis Brian Scott | May 11, 2026 | Sell | 160 | $497.18 | $80,000 |
| Davis Brian Scott | May 11, 2026 | Sell | 120 | $494.4 | $59,000 |
| Davis Brian Scott | May 11, 2026 | Sell | 107 | $490.49 | $52,000 |
| Davis Brian Scott | May 11, 2026 | Sell | 40 | $495.97 | $20,000 |
| Davis Brian Scott | May 11, 2026 | Sell | 17 | $507.68 | $8,600 |
| Vidyadhara Gubbi | May 4, 2026 | Sell | 4,674 | $443.19 | $2.1M |
| Irving Tan | May 1, 2026 | Sell | 7,355 | $413.92 | $3M |
| Irving Tan | May 1, 2026 | Sell | 5,711 | $413.12 | $2.4M |
| Irving Tan | May 1, 2026 | Sell | 3,257 | $406.52 | $1.3M |
| Irving Tan | May 1, 2026 | Sell | 920 | $410.76 | $380,000 |
| Irving Tan | May 1, 2026 | Sell | 680 | $411.87 | $280,000 |
| Irving Tan | May 1, 2026 | Sell | 584 | $408.23 | $240,000 |
| Irving Tan | May 1, 2026 | Sell | 546 | $409.63 | $220,000 |
| Irving Tan | May 1, 2026 | Sell | 512 | $407.32 | $210,000 |
| Irving Tan | May 1, 2026 | Sell | 435 | $415.02 | $180,000 |
| Cynthia Tregillis | Apr 21, 2026 | Sell | 363 | $377.09 | $140,000 |
| Vidyadhara Gubbi | Mar 6, 2026 | Sell | 8,518 | $255.33 | $2.2M |
| Cynthia Tregillis | Mar 4, 2026 | Sell | 8,547 | $269.22 | $2.3M |
| Vidyadhara Gubbi | Mar 4, 2026 | Sell | 7,175 | $270.62 | $1.9M |
| Vidyadhara Gubbi | Mar 4, 2026 | Sell | 2,973 | $269.57 | $800,000 |
| Cynthia Tregillis | Mar 4, 2026 | Sell | 777 | $257.91 | $200,000 |
| Martin Cole | Mar 2, 2026 | Sell | 1,400 | $271.68 | $380,000 |
| Martin Cole | Mar 2, 2026 | Sell | 1,100 | $272.56 | $300,000 |
| Martin Cole | Mar 2, 2026 | Sell | 966 | $269.72 | $260,000 |
| Martin Cole | Mar 2, 2026 | Sell | 634 | $268.84 | $170,000 |
| Martin Cole | Mar 2, 2026 | Sell | 300 | $274.87 | $82,000 |
| Martin Cole | Mar 2, 2026 | Sell | 200 | $276.53 | $55,000 |
| Martin Cole | Mar 2, 2026 | Sell | 193 | $280.73 | $54,000 |
| Martin Cole | Mar 2, 2026 | Sell | 107 | $278.97 | $30,000 |
| Martin Cole | Mar 2, 2026 | Sell | 100 | $281.99 | $28,000 |
| Cynthia Tregillis | Feb 26, 2026 | Sell | 214 | $286.11 | $61,000 |
| Cynthia Tregillis | Feb 24, 2026 | Sell | 308 | $281.7 | $87,000 |
| Cynthia Tregillis | Feb 23, 2026 | Sell | 130 | $283.83 | $37,000 |
| Davis Brian Scott | Feb 17, 2026 | Sell | 2,129 | $277.37 | $590,000 |
| Davis Brian Scott | Feb 17, 2026 | Sell | 995 | $282 | $280,000 |
| Davis Brian Scott | Feb 17, 2026 | Sell | 972 | $278.28 | $270,000 |
| Davis Brian Scott | Feb 17, 2026 | Sell | 929 | $280.83 | $260,000 |
| Davis Brian Scott | Feb 17, 2026 | Sell | 915 | $285.01 | $260,000 |
| Davis Brian Scott | Feb 17, 2026 | Sell | 902 | $282.66 | $250,000 |
| Davis Brian Scott | Feb 17, 2026 | Sell | 870 | $275.12 | $240,000 |
| Davis Brian Scott | Feb 17, 2026 | Sell | 600 | $274.09 | $160,000 |
| Davis Brian Scott | Feb 17, 2026 | Sell | 540 | $276.22 | $150,000 |
| Davis Brian Scott | Feb 17, 2026 | Sell | 406 | $279.53 | $110,000 |
| Davis Brian Scott | Feb 17, 2026 | Sell | 400 | $283.93 | $110,000 |
| Davis Brian Scott | Feb 17, 2026 | Sell | 342 | $272.97 | $93,000 |
| Cynthia Tregillis | Feb 6, 2026 | Sell | 6,780 | $270.49 | $1.8M |
| MATTHEW MASSENGILL | Feb 5, 2026 | Sell | 7,000 | $258.67 | $1.8M |
| MATTHEW MASSENGILL | Feb 5, 2026 | Sell | 5,987 | $260.57 | $1.6M |
| MATTHEW MASSENGILL | Feb 5, 2026 | Sell | 4,915 | $259.59 | $1.3M |
| MATTHEW MASSENGILL | Feb 5, 2026 | Sell | 4,411 | $257.69 | $1.1M |
| MATTHEW MASSENGILL | Feb 5, 2026 | Sell | 3,597 | $261.71 | $940,000 |
| MATTHEW MASSENGILL | Feb 5, 2026 | Sell | 2,600 | $264.01 | $690,000 |
| MATTHEW MASSENGILL | Feb 5, 2026 | Sell | 2,300 | $262.77 | $600,000 |
| MATTHEW MASSENGILL | Feb 5, 2026 | Sell | 2,200 | $264.99 | $580,000 |
| MATTHEW MASSENGILL | Feb 5, 2026 | Sell | 916 | $265.92 | $240,000 |
| MATTHEW MASSENGILL | Feb 5, 2026 | Sell | 400 | $268.06 | $110,000 |
| Irving Tan | Feb 2, 2026 | Sell | 3,626 | $261.84 | $950,000 |
| Irving Tan | Feb 2, 2026 | Sell | 2,444 | $260.84 | $640,000 |
| Irving Tan | Feb 2, 2026 | Sell | 2,250 | $259.93 | $580,000 |
| Irving Tan | Feb 2, 2026 | Sell | 2,096 | $258.65 | $540,000 |
| Irving Tan | Feb 2, 2026 | Sell | 1,500 | $257.82 | $390,000 |
| Irving Tan | Feb 2, 2026 | Sell | 1,298 | $243.5 | $320,000 |
| Irving Tan | Feb 2, 2026 | Sell | 1,100 | $248.95 | $270,000 |
| Irving Tan | Feb 2, 2026 | Sell | 1,005 | $247.26 | $250,000 |
| Irving Tan | Feb 2, 2026 | Sell | 1,000 | $256.76 | $260,000 |
| Irving Tan | Feb 2, 2026 | Sell | 981 | $242.23 | $240,000 |
| Irving Tan | Feb 2, 2026 | Sell | 800 | $245.01 | $200,000 |
| Irving Tan | Feb 2, 2026 | Sell | 400 | $250.71 | $100,000 |
| Irving Tan | Feb 2, 2026 | Sell | 200 | $249.49 | $50,000 |
| Irving Tan | Feb 2, 2026 | Sell | 100 | $262.55 | $26,000 |
| Cynthia Tregillis | Jan 21, 2026 | Sell | 447 | $229 | $100,000 |
| Vidyadhara Gubbi | Dec 5, 2025 | Sell | 5,121 | $168.54 | $860,000 |
| Vidyadhara Gubbi | Dec 5, 2025 | Sell | 3,822 | $167.61 | $640,000 |
| Vidyadhara Gubbi | Dec 4, 2025 | Sell | 13,877 | $159.94 | $2.2M |
| Kimberly Alexy | Dec 4, 2025 | Sell | 2,000 | $160.08 | $320,000 |
| Cynthia Tregillis | Dec 2, 2025 | Sell | 2,801 | $160.57 | $450,000 |
| Martin Cole | Dec 1, 2025 | Sell | 2,539 | $164.2 | $420,000 |
| Martin Cole | Dec 1, 2025 | Sell | 900 | $161.17 | $150,000 |
| Martin Cole | Dec 1, 2025 | Sell | 600 | $159.89 | $96,000 |
| Martin Cole | Dec 1, 2025 | Sell | 510 | $164.95 | $84,000 |
| Martin Cole | Dec 1, 2025 | Sell | 500 | $158.98 | $79,000 |
| Martin Cole | Dec 1, 2025 | Sell | 451 | $163.16 | $74,000 |
| Martin Cole | Dec 1, 2025 | Sell | 400 | $162.12 | $65,000 |
| Martin Cole | Dec 1, 2025 | Sell | 100 | $157.5 | $16,000 |
| Roxanne Oulman | Nov 25, 2025 | Sell | 1,800 | $154.42 | $280,000 |
| Kimberly Alexy | Nov 25, 2025 | Sell | 1,768 | $154 | $270,000 |
| Martin Cole | Nov 5, 2025 | Sell | 3,303 | $162.18 | $540,000 |
| Martin Cole | Nov 5, 2025 | Sell | 1,231 | $163.08 | $200,000 |
| Martin Cole | Nov 5, 2025 | Sell | 982 | $160.24 | $160,000 |
| Martin Cole | Nov 5, 2025 | Sell | 960 | $161.31 | $150,000 |
| Martin Cole | Nov 5, 2025 | Sell | 833 | $158.02 | $130,000 |
| Martin Cole | Nov 5, 2025 | Sell | 798 | $164.08 | $130,000 |
| Martin Cole | Nov 5, 2025 | Sell | 558 | $164.99 | $92,000 |
| Martin Cole | Nov 5, 2025 | Sell | 551 | $159.16 | $88,000 |
| Martin Cole | Nov 5, 2025 | Sell | 419 | $157.01 | $66,000 |
| Martin Cole | Nov 5, 2025 | Sell | 221 | $155.77 | $34,000 |
| Martin Cole | Nov 5, 2025 | Sell | 144 | $152.99 | $22,000 |
| Irving Tan | Nov 3, 2025 | Sell | 6,359 | $149.79 | $950,000 |
| Irving Tan | Nov 3, 2025 | Sell | 6,019 | $149.02 | $900,000 |
| Irving Tan | Nov 3, 2025 | Sell | 2,927 | $152.24 | $450,000 |
| Irving Tan | Nov 3, 2025 | Sell | 2,500 | $153.18 | $380,000 |
| Irving Tan | Nov 3, 2025 | Sell | 1,495 | $153.93 | $230,000 |
| Irving Tan | Nov 3, 2025 | Sell | 700 | $150.9 | $110,000 |
| Vidyadhara Gubbi | Sep 4, 2025 | Sell | 11,343 | $90.29 | $1M |
| Gene Zamiska | Aug 28, 2025 | Sell | 353 | $80.9 | $29,000 |
| Gene Zamiska | Aug 26, 2025 | Sell | 814 | $79.1 | $64,000 |
| Cynthia Tregillis | Aug 22, 2025 | Sell | 14,067 | $74.78 | $1.1M |
| Gene Zamiska | Aug 22, 2025 | Sell | 1,828 | $74.78 | $140,000 |
| Gene Zamiska | Aug 21, 2025 | Sell | 3,160 | $75.68 | $240,000 |
| Irving Tan | Aug 19, 2025 | Sell | 8,621 | $75.9 | $650,000 |
| Vidyadhara Gubbi | Aug 13, 2025 | Sell | 5,597 | $76.26 | $430,000 |
| Vidyadhara Gubbi | Aug 11, 2025 | Sell | 3,947 | $74.88 | $300,000 |
| Gene Zamiska | Jun 17, 2025 | Sell | 245 | $58.01 | $14,000 |
| Gene Zamiska | Jun 5, 2025 | Sell | 1,729 | $54.88 | $95,000 |
| Irving Tan | May 13, 2025 | Sell | 11,379 | $48.19 | $550,000 |
| Gene Zamiska | Mar 12, 2025 | Sell | 456 | $43.37 | $20,000 |
| Gene Zamiska | Mar 7, 2025 | Sell | 1,659 | $41.36 | $69,000 |
| Gene Zamiska | Nov 29, 2024 | Sell | 313 | $72.63 | $23,000 |
| Gene Zamiska | Nov 26, 2024 | Sell | 658 | $69.99 | $46,000 |
| Gene Zamiska | Nov 21, 2024 | Sell | 376 | $64.47 | $24,000 |
| ROBERT SODERBERY | Oct 29, 2024 | Sell | 30,767 | $68.01 | $2.1M |
| Gene Zamiska | Oct 28, 2024 | Sell | 1,993 | $69.94 | $140,000 |
| David Goeckeler | Oct 25, 2024 | Sell | 75,000 | $72.59 | $5.4M |
| David Goeckeler | Sep 26, 2024 | Sell | 75,000 | $70.32 | $5.3M |
| Gene Zamiska | Sep 4, 2024 | Sell | 2,169 | $61.96 | $130,000 |
| Gene Zamiska | Aug 29, 2024 | Sell | 315 | $63.32 | $20,000 |
| Gene Zamiska | Aug 27, 2024 | Sell | 2,900 | $61.48 | $180,000 |
| Gene Zamiska | Aug 21, 2024 | Sell | 417 | $64.89 | $27,000 |
Frequently Asked Questions: Western Digital Insider Trading
In the past 90 days, Western Digital insiders have made 0 buys and 33 sells. The net selling may indicate insiders are taking profits or reducing exposure.
The most recent sale was by Cynthia Tregillis who sold 808 shares on July 21, 2026. View all transactions in the table on this page.
Insider buying is generally a stronger signal than insider selling, since insiders may sell for personal reasons (diversification, taxes) but typically buy only when they believe the stock is undervalued. AltIndex uses insider transaction patterns alongside 25+ other signals in the AI Score.
Tan Irving has sold the most WDC stock in the last 2 years, with a total value of $17M.
The total value of insider transactions for Western Digital in the last 2 years is negative, amounting to -$76M. This suggests that insiders have predominantly sold shares, which could reflect various personal or financial considerations rather than a straightforward outlook on the company's future performance.
The analytics provided are estimates and not a substitute for professional advice. All investments involve risks, including possible capital loss.
