Who
Cynthia L. Tregillis
Chief Legal Officer & Corp Sec
Company insider
Files Form 4 as: Chief Legal Officer & Corp Sec, Western Digital.
In numbers
- Trades disclosed
- 186
- Buys
- 0
- Sells
- 20
- Bought
- $0
- Sold
- $15.9M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 3 Mar 2025
- Last trade
- 21 Oct 2026
- Last filed
- 22 Oct 2026
Companies traded
Activity over time
1 Aug 2025 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 21 Oct 2026filed 22 Oct 2026 | WDC Western DigitalHardware, Devices & Storage | SEC FORM 4 Sold | $307K807 at $380.00 | filing |
| 20 Oct 2026filed 22 Oct 2026 | WDC Western DigitalHardware, Devices & Storage | SEC FORM 4 Code M | —14.37 at $0.00 | filing |
| 20 Oct 2026filed 22 Oct 2026 | WDC Western DigitalHardware, Devices & Storage | SEC FORM 4 Code F | $477K1,309.713 at $364.32 | filing |
| 20 Oct 2026filed 22 Oct 2026 | WDC Western Digitaloption or derivative · Hardware, Devices & Storage | SEC FORM 4 Code M | —14.37 at $0.00 | filing |
| 17 Sep 2026filed 21 Sep 2026 | WDC Western Digitaloption or derivative · Hardware, Devices & Storage | SEC FORM 4 Code A | —27.38 at $0.00 | filing |
| 17 Sep 2026filed 21 Sep 2026 | WDC Western Digitaloption or derivative · Hardware, Devices & Storage | SEC FORM 4 Code A | —27.38 at $0.00 | filing |
| 4 Sep 2026filed 8 Sep 2026 | WDC Western DigitalHardware, Devices & Storage | SEC FORM 4 Sold | $195K432 at $451.20 | filing |
| 4 Sep 2026filed 8 Sep 2026 | WDC Western DigitalHardware, Devices & Storage | SEC FORM 4 Sold | $195K432 at $451.20 | filing |
| 3 Sep 2026filed 8 Sep 2026 | WDC Western DigitalHardware, Devices & Storage | SEC FORM 4 Code M | —7 at $0.00 | filing |
| 3 Sep 2026filed 8 Sep 2026 | WDC Western DigitalHardware, Devices & Storage | SEC FORM 4 Code F | $309K700 at $441.57 | filing |
| 3 Sep 2026filed 8 Sep 2026 | WDC Western Digitaloption or derivative · Hardware, Devices & Storage | SEC FORM 4 Code M | —7.06 at $0.00 | filing |
| 3 Sep 2026filed 8 Sep 2026 | WDC Western Digitaloption or derivative · Hardware, Devices & Storage | SEC FORM 4 Code M | —7.058 at $0.00 | filing |
| 3 Sep 2026filed 8 Sep 2026 | WDC Western DigitalHardware, Devices & Storage | SEC FORM 4 Code M | —7 at $0.00 | filing |
| 3 Sep 2026filed 8 Sep 2026 | WDC Western DigitalHardware, Devices & Storage | SEC FORM 4 Code F | $309K700 at $441.57 | filing |
| 27 Aug 2026filed 27 Aug 2026 | WDC Western DigitalHardware, Devices & Storage | SEC FORM 4 Sold | $482K1,007 at $478.36 | filing |
| 27 Aug 2026filed 27 Aug 2026 | WDC Western DigitalHardware, Devices & Storage | SEC FORM 4 Sold | $482K1,007 at $478.36 | filing |
| 26 Aug 2026filed 27 Aug 2026 | WDC Western Digitaloption or derivative · Hardware, Devices & Storage | SEC FORM 4 Code M | —9.47 at $0.00 | filing |
| 26 Aug 2026filed 27 Aug 2026 | WDC Western DigitalHardware, Devices & Storage | SEC FORM 4 Sold | $215K476 at $450.78 | filing |
| 26 Aug 2026filed 27 Aug 2026 | WDC Western DigitalHardware, Devices & Storage | SEC FORM 4 Code M | —9 at $0.00 | filing |
| 26 Aug 2026filed 27 Aug 2026 | WDC Western DigitalHardware, Devices & Storage | SEC FORM 4 Code F | $765K1,631 at $468.88 | filing |
News
Western Digital (NASDAQ:WDC) Issues Quarterly Earnings Results, Beats Expectations By $0.53 EPSWDC · themarketsdaily.com · 23 Oct 2026Western Digital (NASDAQ:WDC) Shares Down 6.4% After Insider SellingWDC · tickerreport.com · 23 Oct 2026FinancialContent - Western Digital (NASDAQ:WDC) surprises with strong Q3 but inventory levels increaseWDC · financialcontent.com · 22 Oct 2026
0 headlines in the last 90 days name Cynthia L. Tregillis; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.