Cole Martin I — Insider Trades & Holdings | InsiderBid

Cole Martin I

Form 4 filings across 2 companies. Net figures count open-market buys and sales only. EDGAR profile ↗

Lifetime net: -$8.1M

Positions by company

Reported holding is the most recent post-transaction share count on a Table I row.

Every company this insider has reported trading in, with the value bought and sold at each and the date they last traded.
Ticker	Company	Bought	Sold	Net	Shares held	Last trade
WDC	Western Digital Corp	$0	$8.1M	-$8.1M	21,625	Sep 17
WU	Western Union CO	$0	$0	$0	120,018	Mar 2

Western Digital Corp

-$8.1M

Bought

$0

Sold

$8.1M

Held

21,625

Western Union CO

$0

Bought

$0

Sold

$0

Held

120,018

Filing record

How quickly this filer reports. Section 16 allows two business days from the transaction.

All 15 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Trade history

The 119 most recent Form 4 transactions.

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Ticker	Company	Type	Shares	Price	Value	Δ Own	Filing
Sep 17	WDC	Western Digital Corp	AGRANT◆	0.68	—	—	—	Open the original filing on SEC.gov
Jul 28	WDC	Western Digital Corp	SSELL◷	32	$465.12	$14.9K	-0.1%

WDCAGRANT◆—

Western Digital CorpSep 17

0.68 sh

WDCSSELL◷$14.9K

Western Digital CorpJul 28

32 sh @ $465.12 · -0.1% own

WDCSSELL◷$74K

Western Digital CorpJul 28

160 sh @ $462.30 · -0.7% own

WDCSSELL◷$91.8K

Western Digital CorpJul 28

199 sh @ $461.23 · -0.9% own

WDCSSELL◷$114.1K

Western Digital CorpJul 28

248 sh @ $459.97 · -1.1% own

WDCSSELL◷$242.8K

Western Digital CorpJul 28

529 sh @ $458.96 · -2.3% own

WDCSSELL◷$150K

Western Digital CorpJul 28

328 sh @ $457.45 · -1.4% own

WDCSSELL◷$142.4K

Western Digital CorpJul 28

312 sh @ $456.52 · -1.3% own

WDCSSELL◷$138.5K

Western Digital CorpJul 28

304 sh @ $455.55 · -1.3% own

WDCSSELL◷$58.2K

Western Digital CorpJul 28

128 sh @ $454.44 · -0.5% own

WDCSSELL◷$65.3K

Western Digital CorpJul 28

144 sh @ $453.27 · -0.6% own

WDCSSELL◷$47.9K

Western Digital CorpJul 28

106 sh @ $452.12 · -0.4% own

WDCSSELL◷$31.6K

Western Digital CorpJul 28

70 sh @ $451.30 · -0.3% own

WDCSSELL◷$17.5K

Western Digital CorpJul 28

39 sh @ $449.42 · -0.2% own

WDCSSELL◷$18.4K

Western Digital CorpJul 28

41 sh @ $448.46 · -0.2% own

WDCSSELL◷$14.3K

Western Digital CorpJul 28

32 sh @ $447.10 · -0.1% own

WDCSSELL◷$14.2K

Western Digital CorpJul 28

32 sh @ $444.51 · -0.1% own

WDCSSELL◷$14.2K

Western Digital CorpJul 28

32 sh @ $442.47 · -0.1% own

WDCSSELL◷$42.3K

Western Digital CorpJul 28

96 sh @ $440.96 · -0.4% own

WDCSSELL◷$28.1K

Western Digital CorpJul 28

64 sh @ $439.38 · -0.3% own

WDCSSELL◷$51.7K

Western Digital CorpJul 28

118 sh @ $438.08 · -0.5% own

WDCSSELL◷$67.3K

Western Digital CorpJul 28

154 sh @ $436.89 · -0.6% own

WDCSSELL◷$13.9K

Western Digital CorpJul 28

32 sh @ $435.59 · -0.1% own

WDCSSELL◷$27.8K

Western Digital CorpJul 28

64 sh @ $434.81 · -0.3% own

WDCSSELL◷$48.6K

Western Digital CorpJul 28

112 sh @ $433.84 · -0.4% own

WDCSSELL◷$16.4K

Western Digital CorpJul 28

38 sh @ $432.20 · -0.1% own

WDCSSELL◷$49.6K

Western Digital CorpJul 28

115 sh @ $431.41 · -0.5% own

WDCSSELL◷$44.3K

Western Digital CorpJul 28

103 sh @ $430.45 · -0.4% own

WDCSSELL◷$39.9K

Western Digital CorpJul 28

93 sh @ $429.12 · -0.4% own

WDCSSELL◷$49.2K

Western Digital CorpJul 28

115 sh @ $428.08 · -0.5% own

WDCSSELL◷$27.3K

Western Digital CorpJul 28

64 sh @ $426.45 · -0.3% own

WDCSSELL◷$13.6K

Western Digital CorpJul 28

32 sh @ $425.31 · -0.1% own

WDCSSELL◷$27.1K

Western Digital CorpJul 28

64 sh @ $424.05 · -0.3% own

WDCAGRANT◆—

Western Digital CorpJun 17

0.4 sh

WDCSSELL◷$8.7K

Western Digital CorpJun 9

16 sh @ $544.95 · <0.1% own

WDCSSELL◷$26.1K

Western Digital CorpJun 9

48 sh @ $543.92 · -0.2% own

WDCSSELL◷$26.1K

Western Digital CorpJun 9

48 sh @ $542.79 · -0.2% own

WDCSSELL◷$8.7K

Western Digital CorpJun 9

16 sh @ $540.96 · <0.1% own

WDCSSELL◷$17.3K

Western Digital CorpJun 9

32 sh @ $539.82 · -0.1% own

WDCSSELL◷$30.7K

Western Digital CorpJun 9

57 sh @ $538.81 · -0.2% own

WDCSSELL◷$38.2K

Western Digital CorpJun 9

71 sh @ $537.73 · -0.3% own

WDCSSELL◷$60.1K

Western Digital CorpJun 9

112 sh @ $536.27 · -0.4% own

WDCSSELL◷$8.6K

Western Digital CorpJun 9

16 sh @ $534.90 · <0.1% own

WDCSSELL◷$25.6K

Western Digital CorpJun 9

48 sh @ $533.97 · -0.2% own

WDCSSELL◷$51.2K

Western Digital CorpJun 9

96 sh @ $533.01 · -0.4% own

WDCSSELL◷$25.5K

Western Digital CorpJun 9

48 sh @ $531.62 · -0.2% own

WDCSSELL◷$33.9K

Western Digital CorpJun 9

64 sh @ $530.27 · -0.3% own

WDCSSELL◷$25.3K

Western Digital CorpJun 9

48 sh @ $528.07 · -0.2% own

WDCSSELL◷$67.5K

Western Digital CorpJun 9

128 sh @ $527.22 · -0.5% own

WDCSSELL◷$8.4K

Western Digital CorpJun 9

16 sh @ $525.56 · <0.1% own

WDCSSELL◷$25.2K

Western Digital CorpJun 9

48 sh @ $524.72 · -0.2% own

WDCSSELL◷$16.7K

Western Digital CorpJun 9

32 sh @ $523.23 · -0.1% own

WDCSSELL◷$83.4K

Western Digital CorpJun 9

160 sh @ $521.14 · -0.6% own

WDCSSELL◷$24.9K

Western Digital CorpJun 9

48 sh @ $519.25 · -0.2% own

WDCSSELL◷$111.8K

Western Digital CorpJun 9

216 sh @ $517.59 · -0.8% own

WDCSSELL◷$57.9K

Western Digital CorpJun 9

112 sh @ $516.72 · -0.4% own

WDCSSELL◷$202K

Western Digital CorpJun 9

392 sh @ $515.40 · -1.4% own

WDCSSELL◷$152.2K

Western Digital CorpJun 9

296 sh @ $514.09 · -1.1% own

WDCSSELL◷$162.2K

Western Digital CorpJun 9

316 sh @ $513.14 · -1.1% own

WDCSSELL◷$158.6K

Western Digital CorpJun 9

310 sh @ $511.67 · -1.1% own

WDCSSELL◷$166.5K

Western Digital CorpJun 9

326 sh @ $510.61 · -1.1% own

WDCSSELL◷$16.3K

Western Digital CorpJun 9

32 sh @ $509.16 · -0.1% own

WDCSSELL◷$48.8K

Western Digital CorpJun 9

96 sh @ $507.94 · -0.3% own

WDCSSELL◷$48.5K

Western Digital CorpJun 9

96 sh @ $505.51 · -0.3% own

WDCSSELL◷$40.3K

Western Digital CorpJun 9

80 sh @ $503.80 · -0.3% own

WDCSSELL◷$64.4K

Western Digital CorpJun 9

128 sh @ $502.87 · -0.4% own

WDCSSELL◷$32.1K

Western Digital CorpJun 9

64 sh @ $501.72 · -0.2% own

WDCSSELL◷$8K

Western Digital CorpJun 9

16 sh @ $499.69 · <0.1% own

WDCSSELL◷$23.9K

Western Digital CorpJun 9

48 sh @ $498.95 · -0.2% own

WDCSSELL◷$23.9K

Western Digital CorpJun 9

48 sh @ $497.47 · -0.2% own

WDCSSELL◷$15.8K

Western Digital CorpJun 9

32 sh @ $494.63 · -0.1% own

WDCSSELL◷$21.7K

Western Digital CorpJun 9

44 sh @ $493.64 · -0.1% own

WDCSSELL◷$14.8K

Western Digital CorpJun 9

30 sh @ $492.38 · -0.1% own

WDCSSELL◷$18.7K

Western Digital CorpJun 9

38 sh @ $491.06 · -0.1% own

WDCSSELL◷$7.8K

Western Digital CorpJun 9

16 sh @ $488.06 · <0.1% own

WDCSSELL◷$23.4K

Western Digital CorpJun 9

48 sh @ $486.87 · -0.2% own

WDCSSELL◷$7.8K

Western Digital CorpJun 9

16 sh @ $485.54 · <0.1% own

WDCSSELL◷$23.2K

Western Digital CorpJun 9

48 sh @ $484.28 · -0.2% own

WDCAGRANT◆—

Western Digital CorpMar 18

0.79 sh

WDCSSELL◷$28.2K

Western Digital CorpMar 2

100 sh @ $281.99 · -0.3% own

WDCSSELL◷$54.2K

Western Digital CorpMar 2

193 sh @ $280.73 · -0.7% own

WDCSSELL◷$29.9K

Western Digital CorpMar 2

107 sh @ $278.97 · -0.4% own

WDCSSELL◷$27.7K

Western Digital CorpMar 2

100 sh @ $277.16 · -0.3% own

WDCSSELL◷$55.3K

Western Digital CorpMar 2

200 sh @ $276.53 · -0.7% own

WDCSSELL◷$82.5K

Western Digital CorpMar 2

300 sh @ $274.87 · -1.0% own

WDCSSELL◷$54.7K

Western Digital CorpMar 2

200 sh @ $273.57 · -0.7% own

WDCSSELL◷$299.8K

Western Digital CorpMar 2

1,100 sh @ $272.56 · -3.5% own

WDCSSELL◷$380.4K

Western Digital CorpMar 2

1,400 sh @ $271.68 · -4.2% own

WDCSSELL◷$260.6K

Western Digital CorpMar 2

966 sh @ $269.72 · -2.8% own

WDCSSELL◷$170.4K

Western Digital CorpMar 2

634 sh @ $268.84 · -1.8% own

WDCSSELL◷$80.3K

Western Digital CorpMar 2

300 sh @ $267.81 · -0.9% own

WDCSSELL◷$79.7K

Western Digital CorpMar 2

300 sh @ $265.70 · -0.9% own

WDCSSELL◷$26.4K

Western Digital CorpMar 2

100 sh @ $263.66 · -0.3% own

WUAGRANT—

Western Union COMar 2

20,921 sh · +21.1% own

WDCAGRANT◆—

Western Digital CorpDec 18, 2025

1.37 sh

WDCSSELL◷$84.1K

Western Digital CorpDec 1, 2025

510 sh @ $164.95 · -1.4% own

WDCSSELL◷$416.9K

Western Digital CorpDec 1, 2025

2,539 sh @ $164.20 · -6.6% own

WDCSSELL◷$73.6K

Western Digital CorpDec 1, 2025

451 sh @ $163.16 · -1.2% own

WDCSSELL◷$64.8K

Western Digital CorpDec 1, 2025

400 sh @ $162.12 · -1.0% own

WDCSSELL◷$145.1K

Western Digital CorpDec 1, 2025

900 sh @ $161.17 · -2.2% own

WDCSSELL◷$95.9K

Western Digital CorpDec 1, 2025

600 sh @ $159.89 · -1.5% own

WDCSSELL◷$79.5K

Western Digital CorpDec 1, 2025

500 sh @ $158.98 · -1.2% own

WDCSSELL◷$15.8K

Western Digital CorpDec 1, 2025

100 sh @ $157.50 · -0.2% own

WDCAGRANT—

Western Digital CorpNov 20, 2025

1,915 sh · +4.9% own

WDCMEXER◆—

Western Digital CorpNov 19, 2025

14.43 sh

WDCMEXER—

Western Digital CorpNov 19, 2025

14 sh · +<0.1% own

WDCSSELL◷$92.1K

Western Digital CorpNov 5, 2025

558 sh @ $164.99 · -1.4% own

WDCSSELL◷$130.9K

Western Digital CorpNov 5, 2025

798 sh @ $164.08 · -1.9% own

WDCSSELL◷$200.8K

Western Digital CorpNov 5, 2025

1,231 sh @ $163.08 · -2.9% own

WDCSSELL◷$535.7K

Western Digital CorpNov 5, 2025

3,303 sh @ $162.18 · -7.3% own

WDCSSELL◷$154.9K

Western Digital CorpNov 5, 2025

960 sh @ $161.31 · -2.1% own

WDCSSELL◷$157.4K

Western Digital CorpNov 5, 2025

982 sh @ $160.24 · -2.1% own

WDCSSELL◷$87.7K

Western Digital CorpNov 5, 2025

551 sh @ $159.16 · -1.1% own

WDCSSELL◷$131.6K

Western Digital CorpNov 5, 2025

833 sh @ $158.02 · -1.7% own

WDCSSELL◷$65.8K

Western Digital CorpNov 5, 2025

419 sh @ $157.01 · -0.9% own

WDCSSELL◷$34.4K

Western Digital CorpNov 5, 2025

221 sh @ $155.77 · -0.4% own

WDCSSELL◷$22K

Western Digital CorpNov 5, 2025

144 sh @ $152.99 · -0.3% own

WDCAGRANT◆—

Western Digital CorpSep 18, 2025

5.2 sh

WDCAGRANT◆—

Western Digital CorpJun 18, 2025

9.22 sh