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Who

Irving Tan

Chief Executive Officer

Company insider

Files Form 4 as: Chief Executive Officer, Western Digital; Director, Stanley Black & Decker; EVP, Chief of Operations, Cisco Systems.

In numbers

Trades disclosed
296
Buys
0
Sells
17
Bought
$0
Sold
$59.1M
Companies
3
Companies where not an officer
1
First trade
30 Jan 2018
Last trade
20 Sep 2026
Last filed
21 Sep 2026

Companies traded

Where they are an officer
WDC Western DigitalDirector, Officer · Hardware, Devices & Storage · last 20 Sep 20260 buys · 6 sells
CSCO Cisco SystemsOfficer · Hardware, Devices & Storage · last 24 Nov 20200 buys · 11 sells
Everywhere else they filed: board seats, 10% stakes, other companies
SWK Stanley Black & DeckerDirector · Machinery · last 19 Mar 20240 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
20 Sep 2026filed 21 Sep 2026WDC Western DigitalHardware, Devices & StorageSEC FORM 4 Code M—56.762 at $0.00filing
20 Sep 2026filed 21 Sep 2026WDC Western DigitalHardware, Devices & StorageSEC FORM 4 Code F$482K1,091.035 at $441.36filing
20 Sep 2026filed 21 Sep 2026WDC Western Digitaloption or derivative · Hardware, Devices & StorageSEC FORM 4 Code M—56.76 at $0.00filing
20 Sep 2026filed 21 Sep 2026WDC Western Digitaloption or derivative · Hardware, Devices & StorageSEC FORM 4 Code M—56.762 at $0.00filing
20 Sep 2026filed 21 Sep 2026WDC Western DigitalHardware, Devices & StorageSEC FORM 4 Code M—56.76 at $0.00filing
20 Sep 2026filed 21 Sep 2026WDC Western DigitalHardware, Devices & StorageSEC FORM 4 Code F$482K1,091.04 at $441.36filing
17 Sep 2026filed 21 Sep 2026WDC Western Digitaloption or derivative · Hardware, Devices & StorageSEC FORM 4 Code A—83.3 at $0.00filing
17 Sep 2026filed 21 Sep 2026WDC Western Digitaloption or derivative · Hardware, Devices & StorageSEC FORM 4 Code A—83.3 at $0.00filing
1 Sep 2026filed 2 Sep 2026WDC Western DigitalHardware, Devices & StorageSEC FORM 4 Code G—112,500 at $0.00filing
1 Sep 2026filed 2 Sep 2026WDC Western DigitalHardware, Devices & StorageSEC FORM 4 Code G—112,500 at $0.00filing
1 Sep 2026filed 2 Sep 2026WDC Western DigitalHardware, Devices & StorageSEC FORM 4 Code G—112,500 at $0.00filing
1 Sep 2026filed 2 Sep 2026WDC Western DigitalHardware, Devices & StorageSEC FORM 4 Code G—112,500 at $0.00filing
31 Aug 2026filed 2 Sep 2026WDC Western DigitalHardware, Devices & StorageSEC FORM 4 Code J—112,500 at $0.00filing
31 Aug 2026filed 2 Sep 2026WDC Western DigitalHardware, Devices & StorageSEC FORM 4 Code J—112,500 at $0.00filing
31 Aug 2026filed 2 Sep 2026WDC Western DigitalHardware, Devices & StorageSEC FORM 4 Code J—112,500 at $0.00filing
31 Aug 2026filed 2 Sep 2026WDC Western DigitalHardware, Devices & StorageSEC FORM 4 Code J—112,500 at $0.00filing
26 Aug 2026filed 27 Aug 2026WDC Western Digitaloption or derivative · Hardware, Devices & StorageSEC FORM 4 Code M—42.42 at $0.00filing
26 Aug 2026filed 27 Aug 2026WDC Western DigitalHardware, Devices & StorageSEC FORM 4 Code M—42 at $0.00filing
26 Aug 2026filed 27 Aug 2026WDC Western DigitalHardware, Devices & StorageSEC FORM 4 Code F$1.6M3,314 at $468.88filing
26 Aug 2026filed 27 Aug 2026WDC Western Digitaloption or derivative · Hardware, Devices & StorageSEC FORM 4 Code M—42.416 at $0.00filing

Sectors

Technology17

Buys in green, sells in red, by the company’s sector.

Related people

Cynthia L. TregillisChief Legal Officer & Corp Sec · Chief Legal Officer & Corp Sec at Western Digital, filing Form 4 there in the last year
Oliver TuszikEVP, Global Sales · EVP, Global Sales at Cisco Systems, filing Form 4 there in the last year
Girish D. RishiDirector · Director at Cisco Systems, filing Form 4 there in the last year
Manuvir DasDirector · Director at Western Digital, filing Form 4 there in the last year
Tunc DolucaDirector · Director at Western Digital, filing Form 4 there in the last year
Ro KhannaRepresentative, CA-17 · Also traded CSCO in the last 90 days
John BoozmanSenator, AR · Also traded CSCO in the last 90 days
Maria Elvira SalazarRepresentative, FL-27 · Also traded CSCO in the last 90 days