COLE, MARTIN I
Director
- Shares
- 80
- % company
- <0.01%
- Price
- $503.80
- Value
- $40,304
Filed Jun 9, 2026
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · TECHNOLOGY · Holders
Western Digital Corporation (WDC) Institutional Ownership & Insider Trading History
Recent insider purchases and sales for WDC from Form 4 filings. Institutional holdings surface here when ownership sources publish.
Section freshness
Price Jun 26, 4:00 PM EDT · Statements Mar 30, 8:00 PM EDT
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Data freshness
Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.
Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.
PriceLive
Last traded •
Source: Market data provider
Fundamentalsevery 1 day
Provider checked •
Source: Market data provider
Analystevery 1 day
Provider checked •
Source: Market data provider
Newsevery 4 hr
Latest item •
Source: Market data provider
Ownership read
WDC insider sentiment: Mixed, sale-heavy.
103 sales and 17 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
WDC
Purchases1.06K
Sales53.93K
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
—
Institutional data pending
Insider stance
Mixed, sale-heavy
$26.10M sold / — bought
Latest filing
Jun 9, 2026
Most recent holder or insider filing date
Filings shown
120
0 holder / 120 insider
- Holder rows
- Pending
- Market data source
- Latest filing
- Jun 9, 2026
- Most recent holder or insider filing date
- Increased / initiated
- Pending
- 0 decreased
- Insider rows
- 120
- Market data source
Recent insider transactions
Western Digital Corporation (WDC) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
COLE, MARTIN I
Director
- Shares
- 128
- % company
- <0.01%
- Price
- $502.87
- Value
- $64,367
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 64
- % company
- <0.01%
- Price
- $501.72
- Value
- $32,110
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 48
- % company
- <0.01%
- Price
- $519.25
- Value
- $24,924
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 216
- % company
- <0.01%
- Price
- $517.59
- Value
- $111,799
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 112
- % company
- <0.01%
- Price
- $516.72
- Value
- $57,872
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 392
- % company
- <0.01%
- Price
- $515.40
- Value
- $202,036
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 296
- % company
- <0.01%
- Price
- $514.09
- Value
- $152,172
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 16
- % company
- <0.01%
- Price
- $525.56
- Value
- $8,409
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 48
- % company
- <0.01%
- Price
- $524.72
- Value
- $25,187
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 48
- % company
- <0.01%
- Price
- $528.07
- Value
- $25,348
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 64
- % company
- <0.01%
- Price
- $530.27
- Value
- $33,937
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 48
- % company
- <0.01%
- Price
- $531.62
- Value
- $25,518
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 96
- % company
- <0.01%
- Price
- $533.01
- Value
- $51,169
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 48
- % company
- <0.01%
- Price
- $533.97
- Value
- $25,631
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 16
- % company
- <0.01%
- Price
- $534.90
- Value
- $8,558
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 112
- % company
- <0.01%
- Price
- $536.27
- Value
- $60,062
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 71
- % company
- <0.01%
- Price
- $537.73
- Value
- $38,179
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 57
- % company
- <0.01%
- Price
- $538.81
- Value
- $30,712
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 32
- % company
- <0.01%
- Price
- $539.82
- Value
- $17,274
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 316
- % company
- <0.01%
- Price
- $513.14
- Value
- $162,154
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 310
- % company
- <0.01%
- Price
- $511.67
- Value
- $158,616
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 128
- % company
- <0.01%
- Price
- $527.22
- Value
- $67,485
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 16
- % company
- <0.01%
- Price
- $540.96
- Value
- $8,655
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 48
- % company
- <0.01%
- Price
- $542.79
- Value
- $26,054
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 48
- % company
- <0.01%
- Price
- $543.92
- Value
- $26,108
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 16
- % company
- <0.01%
- Price
- $544.95
- Value
- $8,719
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 48
- % company
- <0.01%
- Price
- $484.28
- Value
- $23,246
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 16
- % company
- <0.01%
- Price
- $485.54
- Value
- $7,769
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 48
- % company
- <0.01%
- Price
- $486.87
- Value
- $23,370
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 16
- % company
- <0.01%
- Price
- $488.06
- Value
- $7,809
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 38
- % company
- <0.01%
- Price
- $491.06
- Value
- $18,660
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 30
- % company
- <0.01%
- Price
- $492.38
- Value
- $14,771
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 326
- % company
- <0.01%
- Price
- $510.61
- Value
- $166,459
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 32
- % company
- <0.01%
- Price
- $509.16
- Value
- $16,293
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 32
- % company
- <0.01%
- Price
- $523.23
- Value
- $16,743
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 44
- % company
- <0.01%
- Price
- $493.64
- Value
- $21,720
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 32
- % company
- <0.01%
- Price
- $494.63
- Value
- $15,828
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 48
- % company
- <0.01%
- Price
- $497.47
- Value
- $23,878
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 48
- % company
- <0.01%
- Price
- $498.95
- Value
- $23,949
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 16
- % company
- <0.01%
- Price
- $499.69
- Value
- $7,995
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 96
- % company
- <0.01%
- Price
- $507.94
- Value
- $48,762
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 96
- % company
- <0.01%
- Price
- $505.51
- Value
- $48,529
Filed Jun 9, 2026
COLE, MARTIN I
Director
- Shares
- 160
- % company
- <0.01%
- Price
- $521.14
- Value
- $83,382
Filed Jun 9, 2026
TREGILLIS, CYNTHIA L
Chief Legal Officer & Corp Sec
- Shares
- 432
- % company
- <0.01%
- Price
- $545.60
- Value
- $235,699
Filed Jun 5, 2026
DAVIS, BRIAN SCOTT
Chief Sales & Mrktng Officer
- Shares
- 881
- % company
- <0.01%
- Price
- $594.11
- Value
- $523,411
Filed Jun 3, 2026
DAVIS, BRIAN SCOTT
Chief Sales & Mrktng Officer
- Shares
- 7
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Jun 3, 2026
GUBBI, VIDYADHARA K
Chief of Global Operations
- Shares
- 13
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Jun 3, 2026
TREGILLIS, CYNTHIA L
Chief Legal Officer & Corp Sec
- Shares
- 6
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Jun 3, 2026
GUBBI, VIDYADHARA K
Chief of Global Operations
- Shares
- 13
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Jun 3, 2026
GUBBI, VIDYADHARA K
Chief of Global Operations
- Shares
- 1.76K
- % company
- <0.01%
- Price
- $594.11
- Value
- $1,048,010
Filed Jun 3, 2026
TREGILLIS, CYNTHIA L
Chief Legal Officer & Corp Sec
- Shares
- 7
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Jun 3, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 80 | $503.80 | $40,304 | Jun 9, 2026 |
| 2 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 128 | $502.87 | $64,367 | Jun 9, 2026 |
| 3 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 64 | $501.72 | $32,110 | Jun 9, 2026 |
| 4 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 48 | $519.25 | $24,924 | Jun 9, 2026 |
| 5 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 216 | $517.59 | $111,799 | Jun 9, 2026 |
| 6 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 112 | $516.72 | $57,872 | Jun 9, 2026 |
| 7 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 392 | $515.40 | $202,036 | Jun 9, 2026 |
| 8 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 296 | $514.09 | $152,172 | Jun 9, 2026 |
| 9 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 16 | $525.56 | $8,409 | Jun 9, 2026 |
| 10 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 48 | $524.72 | $25,187 | Jun 9, 2026 |
| 11 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 48 | $528.07 | $25,348 | Jun 9, 2026 |
| 12 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 64 | $530.27 | $33,937 | Jun 9, 2026 |
| 13 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 48 | $531.62 | $25,518 | Jun 9, 2026 |
| 14 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 96 | $533.01 | $51,169 | Jun 9, 2026 |
| 15 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 48 | $533.97 | $25,631 | Jun 9, 2026 |
| 16 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 16 | $534.90 | $8,558 | Jun 9, 2026 |
| 17 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 112 | $536.27 | $60,062 | Jun 9, 2026 |
| 18 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 71 | $537.73 | $38,179 | Jun 9, 2026 |
| 19 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 57 | $538.81 | $30,712 | Jun 9, 2026 |
| 20 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 32 | $539.82 | $17,274 | Jun 9, 2026 |
| 21 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 316 | $513.14 | $162,154 | Jun 9, 2026 |
| 22 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 310 | $511.67 | $158,616 | Jun 9, 2026 |
| 23 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 128 | $527.22 | $67,485 | Jun 9, 2026 |
| 24 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 16 | $540.96 | $8,655 | Jun 9, 2026 |
| 25 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 48 | $542.79 | $26,054 | Jun 9, 2026 |
| 26 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 48 | $543.92 | $26,108 | Jun 9, 2026 |
| 27 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 16 | $544.95 | $8,719 | Jun 9, 2026 |
| 28 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 48 | $484.28 | $23,246 | Jun 9, 2026 |
| 29 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 16 | $485.54 | $7,769 | Jun 9, 2026 |
| 30 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 48 | $486.87 | $23,370 | Jun 9, 2026 |
| 31 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 16 | $488.06 | $7,809 | Jun 9, 2026 |
| 32 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 38 | $491.06 | $18,660 | Jun 9, 2026 |
| 33 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 30 | $492.38 | $14,771 | Jun 9, 2026 |
| 34 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 326 | $510.61 | $166,459 | Jun 9, 2026 |
| 35 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 32 | $509.16 | $16,293 | Jun 9, 2026 |
| 36 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 32 | $523.23 | $16,743 | Jun 9, 2026 |
| 37 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 44 | $493.64 | $21,720 | Jun 9, 2026 |
| 38 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 32 | $494.63 | $15,828 | Jun 9, 2026 |
| 39 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 48 | $497.47 | $23,878 | Jun 9, 2026 |
| 40 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 48 | $498.95 | $23,949 | Jun 9, 2026 |
| 41 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 16 | $499.69 | $7,995 | Jun 9, 2026 |
| 42 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 96 | $507.94 | $48,762 | Jun 9, 2026 |
| 43 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 96 | $505.51 | $48,529 | Jun 9, 2026 |
| 44 | COLE, MARTIN I Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 160 | $521.14 | $83,382 | Jun 9, 2026 |
| 45 | TREGILLIS, CYNTHIA L Chief Legal Officer & Corp Sec | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 432 | $545.60 | $235,699 | Jun 5, 2026 |
| 46 | DAVIS, BRIAN SCOTT Chief Sales & Mrktng Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 881 | $594.11 | $523,411 | Jun 3, 2026 |
| 47 | DAVIS, BRIAN SCOTT Chief Sales & Mrktng Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 7 | Not reported | Not reported | Jun 3, 2026 |
| 48 | GUBBI, VIDYADHARA K Chief of Global Operations | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 13 | Not reported | Not reported | Jun 3, 2026 |
| 49 | TREGILLIS, CYNTHIA L Chief Legal Officer & Corp Sec | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 6 | Not reported | Not reported | Jun 3, 2026 |
| 50 | GUBBI, VIDYADHARA K Chief of Global Operations | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 13 | Not reported | Not reported | Jun 3, 2026 |
| 51 | GUBBI, VIDYADHARA K Chief of Global Operations | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 1.76K | $594.11 | $1,048,010 | Jun 3, 2026 |
| 52 | TREGILLIS, CYNTHIA L Chief Legal Officer & Corp Sec | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 7 | Not reported | Not reported | Jun 3, 2026 |
Showing 52 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders
Frequently asked
Common questions.
Who are the largest WDC shareholders?
Western Digital Corporation (WDC) institutional holders are ranked by reported share count when ownership data publishes filing rows.
What is institutional ownership of WDC?
Western Digital Corporation (WDC) institutional ownership appears when filing-based market data returns holder rows. TECHi does not fill unavailable ownership fields with placeholder shareholders.
Where can I see Western Digital Corporation insider transactions?
Western Digital Corporation (WDC) has 120 Form 4 insider transactions on file, most recently on Jun 9, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.
Are WDC insiders buying or selling?
Recent WDC insider activity reads Mixed, sale-heavy: 103 sales and 17 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.
Who is the most active WDC insider?
SENNESAEL, KRIS is the most active WDC insider by absolute share movement, with 18,657 shares moving across the filing history. Review the action labels before treating that activity as buying or selling.