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Who

David J. Tupman

Director

Company insider

Files Form 4 as: Director, Cirrus Logic; Director, Pixelworks.

In numbers

Trades disclosed
64
Buys
1
Sells
14
Bought
$101K
Sold
$3.0M
Companies
2
Companies where not an officer
2
First trade
2 Apr 2014
Last trade
31 Jul 2026
Last filed
31 Jul 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
CRUS Cirrus LogicDirector · Semiconductors · last 31 Jul 20260 buys · 8 sells
PXLW PixelworksDirector · Software · last 13 May 20241 buy · 6 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
31 Jul 2026filed 31 Jul 2026CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code A—1,623 at $0.00filing
31 Jul 2026filed 31 Jul 2026CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code A—1,623 at $0.00filing
29 Jul 2026filed 31 Jul 2026CRUS Cirrus LogicSemiconductorsSEC FORM 4 Code A—1,998 at $0.00filing
29 Jul 2026filed 31 Jul 2026CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code M—1,998 at $0.00filing
29 Jul 2026filed 31 Jul 2026CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code M—1,998 at $0.00filing
29 Jul 2026filed 31 Jul 2026CRUS Cirrus LogicSemiconductorsSEC FORM 4 Code A—1,998 at $0.00filing
29 Jul 2025filed 29 Jul 2025CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code A—1,998 at $0.00filing
26 Jul 2025filed 29 Jul 2025CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code M—1,624 at $0.00filing
26 Jul 2025filed 29 Jul 2025CRUS Cirrus LogicSemiconductorsSEC FORM 4 Code A—1,624 at $0.00filing
26 Jul 2024filed 30 Jul 2024CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code M—2,575 at $0.00filing
26 Jul 2024filed 30 Jul 2024CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code A—1,624 at $0.00filing
26 Jul 2024filed 30 Jul 2024CRUS Cirrus LogicSemiconductorsSEC FORM 4 Code A—2,575 at $0.00filing
6 Jun 2024filed 7 Jun 2024CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code M—5,000 at $0.00filing
6 Jun 2024filed 7 Jun 2024CRUS Cirrus LogicSemiconductorsSEC FORM 4 Code M$167K5,000 at $33.38filing
6 Jun 2024filed 7 Jun 2024CRUS Cirrus LogicSemiconductorsSEC FORM 4 Sold$600K5,000 at $119.95filing
30 May 2024filed 3 Jun 2024CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code M—10,346 at $0.00filing
30 May 2024filed 3 Jun 2024CRUS Cirrus LogicSemiconductorsSEC FORM 4 Code M$345K10,346 at $33.38filing
30 May 2024filed 3 Jun 2024CRUS Cirrus LogicSemiconductorsSEC FORM 4 Sold$1.2M10,346 at $114.52filing
13 May 2024filed 16 May 2024PXLW PixelworksSoftwareSEC FORM 4 Code A—53,543filing
28 Jul 2023filed 1 Aug 2023CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code A—2,575 at $0.00filing

Sectors

Technology15

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

Related people

Jeffrey W. BaumgartnerEVP, R&D · EVP, R&D at Cirrus Logic, filing Form 4 there in the last year
Alexander M. DavernDirector · Director at Cirrus Logic, filing Form 4 there in the last year
Catherine P. LegoDirector · Director at Cirrus Logic, filing Form 4 there in the last year
William D. MosleyCEO · Director at Cirrus Logic, filing Form 4 there in the last year
Loan T. Le DuyDirector · Director at Cirrus Logic, filing Form 4 there in the last year
Haley F. AmanChief Financial Officer · Also traded PXLW in the last 90 days
Todd DebonisPresident and CEO · Also traded PXLW in the last 90 days