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Who

Brian C. White

Director

Company insider

Files Form 4 as: Director, Allegro MicroSystems; Director, FormFactor; CFO, Ambarella; Senior VP and CFO, Maxim Integrated Products; SVP, Chief Financial Officer, Integrated Device Technology.

In numbers

Trades disclosed
118
Buys
0
Sells
25
Bought
$0
Sold
$10.6M
Companies
5
Companies where not an officer
2
First trade
15 May 2014
Last trade
5 Aug 2026
Last filed
7 Aug 2026

Companies traded

Where they are an officer
AMBA AmbarellaOfficer · Semiconductors · last 19 Dec 20230 buys · 5 sells
Maxim Integrated ProductsOfficer · last 26 Aug 20210 buys · 0 sells
Integrated Device TechnologyOfficer, Other · last 29 Mar 20190 buys · 16 sells
Everywhere else they filed: board seats, 10% stakes, other companies
ALGM Allegro MicroSystemsDirector · Semiconductors · last 5 Aug 20260 buys · 0 sells
FORM FormFactorDirector · Semiconductor Equipment · last 20 May 20260 buys · 4 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
20Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
5 Aug 2026filed 7 Aug 2026ALGM Allegro MicroSystemsoption or derivative · SemiconductorsSEC FORM 4 Code A—4,251 at $0.00filing
5 Aug 2026filed 7 Aug 2026ALGM Allegro MicroSystemsoption or derivative · SemiconductorsSEC FORM 4 Code A—4,251 at $0.00filing
17 Jun 2026filed 18 Jun 2026ALGM Allegro MicroSystemsSemiconductorsSEC FORM 4 Code A—594 at $0.00filing
17 Jun 2026filed 18 Jun 2026ALGM Allegro MicroSystemsSemiconductorsSEC FORM 4 Code A—594 at $0.00filing
20 May 2026filed 21 May 2026FORM FormFactorSemiconductor EquipmentSEC FORM 4 Sold$410K3,250 at $126.00filing
20 May 2026filed 21 May 2026FORM FormFactorSemiconductor EquipmentSEC FORM 4 Sold$410K3,250 at $126.00filing
15 May 2026filed 19 May 2026FORM FormFactorSemiconductor EquipmentSEC FORM 4 Code A—1,347 at $0.00filing
15 May 2026filed 19 May 2026FORM FormFactorSemiconductor EquipmentSEC FORM 4 Code A—1,347 at $0.00filing
24 Feb 2026filed 25 Feb 2026FORM FormFactorSemiconductor EquipmentSEC FORM 4 Sold$230K2,300 at $100.01filing
24 Feb 2026filed 25 Feb 2026FORM FormFactorSemiconductor EquipmentSEC FORM 4 Sold$230K2,300 at $100.01filing
9 Feb 2026filed 10 Feb 2026FORM FormFactorSemiconductor EquipmentSEC FORM 4 Sold$500K5,500 at $90.95filing
9 Feb 2026filed 10 Feb 2026FORM FormFactorSemiconductor EquipmentSEC FORM 4 Sold$500K5,500 at $90.95filing
16 May 2025filed 16 May 2025FORM FormFactorSemiconductor EquipmentSEC FORM 4 Code A—6,528 at $0.00filing
20 May 2024filed 22 May 2024FORM FormFactorSemiconductor EquipmentSEC FORM 4 Sold$188K3,290 at $57.00filing
17 May 2024filed 21 May 2024FORM FormFactorSemiconductor EquipmentSEC FORM 4 Code A—3,828 at $0.00filing
19 Dec 2023filed 21 Dec 2023AMBA AmbarellaSemiconductorsSEC FORM 4 Sold$212K3,357 at $63.04filing
18 Sep 2023filed 20 Sep 2023AMBA AmbarellaSemiconductorsSEC FORM 4 Sold$188K3,274 at $57.30filing
20 Jun 2023filed 20 Jun 2023AMBA AmbarellaSemiconductorsSEC FORM 4 Sold$280K3,297 at $84.80filing
15 Jun 2023filed 20 Jun 2023AMBA AmbarellaSemiconductorsSEC FORM 4 Code A—73,678 at $0.00filing
19 May 2023filed 30 May 2023FORM FormFactorSemiconductor EquipmentSEC FORM 4 Code A—6,770 at $0.00filing

Sectors

Technology9
Not placed16

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

Related people

Christopher B. PaisleyDirector · Director at Ambarella, filing Form 4 there in the last year
John Alexander YoungCFO · CFO at Ambarella, filing Form 4 there in the last year
Feng-Ming WangCEO · CEO at Ambarella, filing Form 4 there in the last year
Chi-Hong JuSenior VP, Systems & GM · Senior VP, Systems & GM at Ambarella, filing Form 4 there in the last year
Chan W. LeeChief Operations Officer · Chief Operations Officer at Ambarella, filing Form 4 there in the last year
Mike SlessorCEO · Also traded FORM in the last 90 days
Kelley Steven-WaissDirector · Also traded FORM in the last 90 days
Donald J. TrumpPresident · Also traded FORM in the last 90 days