LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
ALGMCIK 0000866291

ALLEGRO MICROSYSTEMS, INC.

51 transactions by 16 insiders, from November 11, 2025 to September 30, 2026.

Transactions
5116 insiders
Bought · P
Nonenobody bought on the open market
Sold · S
$5.2Mopen market
Net
−$5.2Mnet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Sharon BrianskyGC9——$2.0M
Erin HagenSVP5——$192K
Derek D'AntilioCFO5———
Ian KentSVP4——$110K
Michael DoogueCEO4——$1.4M
Roald Graham WebsterCAO4——$234K
Richard MadormoSVP4——$264K
Troy ColemanSVP4——$206K
Robert WillettDir3———
Brian C. WhiteDir2———
Jennie RaubacherDir2——$45K
Yoshihiro SuzukiDir1———
Krishna G. PalepuDir1———
Susan D. LynchDir1——$760K
Joseph R. MartinDir1———
Mary G. PumaDir1———

All transactions

51 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Robert WillettDirDERIVSep 30A619$0.00—?
Jennie RaubacherDirAug 17S1,000$45.32$45K
Erin HagenSVPAug 10S2,285$44.39$101K
Yoshihiro SuzukiDirAug 5A4,251$0.00—
Joseph R. MartinDirAug 5A4,251$0.00—
Mary G. PumaDirAug 5A4,251$0.00—
Krishna G. PalepuDirAug 5A4,251$0.00—
Jennie RaubacherDirDERIVAug 5A4,251$0.00—?
Robert WillettDirDERIVAug 5A4,251$0.00—?
Brian C. WhiteDirDERIVAug 5A4,251$0.00—?
Brian C. WhiteDirJun 17A594$0.00—
Richard MadormoSVPJun 3S5,000$52.72$264K
Troy ColemanSVPMay 22S4,500$45.72$206K
Roald Graham WebsterCAOMay 21S5,217$44.89$234K
Ian KentSVPMay 18S2,642$41.56$110K
Ian KentSVPMay 16F2,345$43.10$101K
Erin HagenSVPMay 16F5,815$43.10$251K
Derek D'AntilioCFOMay 16F37,840$43.10$1.6M
Richard MadormoSVPMay 16F5,439$43.10$234K
Roald Graham WebsterCAOMay 16F4,277$43.10$184K
Michael DoogueCEOMay 16F60,508$43.10$2.6M
Sharon BrianskyGCMay 16F13,942$43.10$601K
Troy ColemanSVPMay 16F9,670$43.10$417K
Robert WillettDirMay 13A1,094$0.00—
Ian KentSVPMay 13A8,492$0.00—
Derek D'AntilioCFOMay 13A30,438$0.00—
Derek D'AntilioCFOMay 13A29,439$0.00—
Richard MadormoSVPMay 13A19,815$0.00—
Sharon BrianskyGCMay 13A2,611$0.00—
Sharon BrianskyGCMay 13A15,852$0.00—
Susan D. LynchDirMay 14S16,711$45.46$760K
Troy ColemanSVPMay 13A18,116$0.00—
Michael DoogueCEOMay 13A83,700$0.00—
Michael DoogueCEOMay 13A77,135$0.00—
Erin HagenSVPMay 13A9,058$0.00—
Roald Graham WebsterCAOMay 13A544$0.00—
Roald Graham WebsterCAOMay 13A4,756$0.00—
Sharon BrianskyGCMay 11S8,948$47.54$425K
Michael DoogueCEOMay 11S30,089$47.23$1.4M
Richard MadormoSVPMar 24D6,498$32.58$212K
Ian KentSVPFeb 2A9,183$0.00—
Sharon BrianskyGCMar 2S9,727$35.00$340K
Sharon BrianskyGCFeb 27F9,107$36.47$332K
Derek D'AntilioCFOFeb 27F9,995$36.47$365K
Erin HagenSVPMar 2S2,598$35.00$91K
Erin HagenSVPFeb 27F1,996$36.47$73K
Sharon BrianskyGCFeb 17S9,258$41.56$385K
Sharon BrianskyGCFeb 13F8,991$42.38$381K
Derek D'AntilioCFOFeb 13F17,808$42.38$755K
Sharon BrianskyGCDec 10S27,873$30.00$836K
Troy ColemanSVPNov 11A73,530$0.00—