USBoard
Person

Martin I. Cole

Director, Western Digital

Current S&P 500 boards
1
Current roles
1
Open-market buys
$0
Open-market sales
$9.7M

Current roles

From Section 16 filings (Forms 3, 4 and 5) in the last 13 months.

Past roles

“Last filing” is the latest Form 3/4/5 for that company, an upper bound on the end date.

None on record since 2016.

Sits alongside

People who currently share a board or management team with this person.

Open-market trades

Purchases and sales reported on Form 4 at S&P 500 companies.

DateCompanyTypeSharesPriceValue
Oct 29, 2026WDCSale204$390.04$80K
Oct 29, 2026WDCSale385$391.05$151K
Oct 29, 2026WDCSale407$392.42$160K
Oct 29, 2026WDCSale494$393.22$194K
Oct 29, 2026WDCSale243$394.41$96K
Oct 29, 2026WDCSale209$395.30$83K
Oct 29, 2026WDCSale317$396.31$126K
Oct 29, 2026WDCSale584$397.48$232K
Oct 29, 2026WDCSale723$398.45$288K
Oct 29, 2026WDCSale303$399.36$121K
Oct 29, 2026WDCSale88$400.33$35K
Oct 29, 2026WDCSale43$401.47$17K
Jul 28, 2026WDCSale32$465.12$15K
Jul 28, 2026WDCSale160$462.30$74K
Jul 28, 2026WDCSale38$432.20$16K
Jul 28, 2026WDCSale199$461.23$92K
Jul 28, 2026WDCSale248$459.97$114K
Jul 28, 2026WDCSale529$458.96$243K
Jul 28, 2026WDCSale328$457.45$150K
Jul 28, 2026WDCSale312$456.52$142K
Jul 28, 2026WDCSale304$455.55$138K
Jul 28, 2026WDCSale128$454.44$58K
Jul 28, 2026WDCSale144$453.27$65K
Jul 28, 2026WDCSale106$452.12$48K
Jul 28, 2026WDCSale70$451.30$32K
Jul 28, 2026WDCSale39$449.42$18K
Jul 28, 2026WDCSale41$448.46$18K
Jul 28, 2026WDCSale32$447.10$14K
Jul 28, 2026WDCSale32$444.51$14K
Jul 28, 2026WDCSale32$442.47$14K
Jul 28, 2026WDCSale96$440.96$42K
Jul 28, 2026WDCSale64$439.38$28K
Jul 28, 2026WDCSale118$438.08$52K
Jul 28, 2026WDCSale154$436.89$67K
Jul 28, 2026WDCSale32$435.59$14K
Jul 28, 2026WDCSale64$424.05$27K
Jul 28, 2026WDCSale32$425.31$14K
Jul 28, 2026WDCSale64$426.45$27K
Jul 28, 2026WDCSale115$428.08$49K
Jul 28, 2026WDCSale93$429.12$40K
Jul 28, 2026WDCSale103$430.45$44K
Jul 28, 2026WDCSale115$431.41$50K
Jul 28, 2026WDCSale112$433.84$49K
Jul 28, 2026WDCSale64$434.81$28K
Jun 9, 2026WDCSale64$530.27$34K
Jun 9, 2026WDCSale48$531.62$26K
Jun 9, 2026WDCSale96$533.01$51K
Jun 9, 2026WDCSale48$533.97$26K
Jun 9, 2026WDCSale16$534.90$9K
Jun 9, 2026WDCSale112$536.27$60K
Jun 9, 2026WDCSale71$537.73$38K
Jun 9, 2026WDCSale57$538.81$31K
Jun 9, 2026WDCSale32$539.82$17K
Jun 9, 2026WDCSale16$540.96$9K
Jun 9, 2026WDCSale48$542.79$26K
Jun 9, 2026WDCSale48$543.92$26K
Jun 9, 2026WDCSale16$544.95$9K
Jun 9, 2026WDCSale48$528.07$25K
Jun 9, 2026WDCSale48$519.25$25K
Jun 9, 2026WDCSale160$521.14$83K
Jun 9, 2026WDCSale32$523.23$17K
Jun 9, 2026WDCSale48$524.72$25K
Jun 9, 2026WDCSale16$525.56$8K
Jun 9, 2026WDCSale128$527.22$67K
Jun 9, 2026WDCSale216$517.59$112K
Jun 9, 2026WDCSale112$516.72$58K
Jun 9, 2026WDCSale392$515.40$202K
Jun 9, 2026WDCSale296$514.09$152K
Jun 9, 2026WDCSale316$513.14$162K
Jun 9, 2026WDCSale310$511.67$159K
Jun 9, 2026WDCSale326$510.61$166K
Jun 9, 2026WDCSale32$509.16$16K
Jun 9, 2026WDCSale96$507.94$49K
Jun 9, 2026WDCSale96$505.51$49K
Jun 9, 2026WDCSale80$503.80$40K
Jun 9, 2026WDCSale128$502.87$64K
Jun 9, 2026WDCSale64$501.72$32K
Jun 9, 2026WDCSale16$499.69$8K
Jun 9, 2026WDCSale48$498.95$24K
Jun 9, 2026WDCSale48$497.47$24K
Jun 9, 2026WDCSale32$494.63$16K
Jun 9, 2026WDCSale44$493.64$22K
Jun 9, 2026WDCSale30$492.38$15K
Jun 9, 2026WDCSale38$491.06$19K
Jun 9, 2026WDCSale16$488.06$8K
Jun 9, 2026WDCSale48$486.87$23K
Jun 9, 2026WDCSale16$485.54$8K
Jun 9, 2026WDCSale48$484.28$23K
Mar 2, 2026WDCSale634$268.84$170K
Mar 2, 2026WDCSale966$269.72$261K
Mar 2, 2026WDCSale1,400$271.68$380K
Mar 2, 2026WDCSale1,100$272.56$300K
Mar 2, 2026WDCSale200$273.57$55K
Mar 2, 2026WDCSale300$274.87$82K
Mar 2, 2026WDCSale200$276.53$55K
Mar 2, 2026WDCSale100$277.16$28K
Mar 2, 2026WDCSale107$278.97$30K
Mar 2, 2026WDCSale193$280.73$54K
Mar 2, 2026WDCSale100$281.99$28K
Mar 2, 2026WDCSale300$267.81$80K

SEC reporting-owner ID (CIK) 1302874 · all filings on EDGAR

Martin I. Cole (WDC) | USBoard