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ALGMALLEGRO MICROSYSTEMS, INC.

Market cap
$5.87B
as of 2026-10-23
Latest close
$31.48
as of 2026-10-23
Sector
Technology
as of 2026-10-24
Industry
Semiconductors
as of 2026-10-24

Cluster

No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).

Form 4 historysince 2023-10-20

InsiderTradedFiledTypeSharesPriceValueOwned after10b5-1 planFiling
Willett RobertSep 30Oct 1A · derivative618.98$0.00$04,869.98NoForm 4
Raubacher JennieAug 17Aug 18S1,000$45.32Sale −$45,32013,976NoForm 4
Hagen ErinSVP, CHROAug 10Aug 12S2,285$44.39Sale −$101,43131,052NoForm 4
White Brian CAug 5Aug 7A · derivative4,251$0.00$04,251NoForm 4
Willett RobertAug 5Aug 7A · derivative4,251$0.00$04,251NoForm 4
Raubacher JennieAug 5Aug 7A · derivative4,251$0.00$04,251NoForm 4
Palepu Krishna G.Aug 5Aug 7A4,251$0.00$014,212NoForm 4
Puma Mary GAug 5Aug 7A4,251$0.00$021,734NoForm 4
Martin Joseph RAug 5Aug 7A4,251$0.00$039,430NoForm 4
Suzuki YoshihiroAug 5Aug 7A4,251$0.00$0217,811NoForm 4
White Brian CJun 17Jun 18A594$0.00$0594NoForm 4
Madormo RichardSVP, Worldwide SalesJun 3Jun 4S5,000$52.72Sale −$263,60069,687NoForm 4
Coleman TroySVP, General Manager, ProductsMay 22May 26S4,500$45.72Sale −$205,74077,476NoForm 4
Webster Roald GrahamVP, Chief Accounting OfficerMay 21May 22S5,217$44.89Sale −$234,19113,106NoForm 4
Kent IanSVP, Global OperationsMay 18May 19S2,642$41.56Sale −$109,80225,392NoForm 4
Coleman TroySVP, General Manager, ProductsMay 16May 19F9,670$43.10$416,77781,976NoForm 4
Briansky SharonSVP, GC and SecretaryMay 16May 19F13,942$43.10$600,90079,753NoForm 4
Doogue MichaelPresident and CEOMay 16May 19F60,508$43.10$2,607,895279,076NoForm 4
Webster Roald GrahamVP, Chief Accounting OfficerMay 16May 19F4,277$43.10$184,33918,323NoForm 4
Madormo RichardSVP, Worldwide SalesMay 16May 19F5,439$43.10$234,42174,687NoForm 4
D'Antilio DerekEVP, CFO & TreasurerMay 16May 19F37,840$43.10$1,630,904238,813NoForm 4
Hagen ErinSVP, CHROMay 16May 19F5,815$43.10$250,62733,337NoForm 4
Kent IanSVP, Global OperationsMay 16May 19F2,345$43.10$101,07028,034NoForm 4
Lynch Susan DMay 14May 15S16,711$45.46Sale −$759,68212,805NoForm 4
Webster Roald GrahamVP, Chief Accounting OfficerMay 13May 15A4,756$0.00$022,056NoForm 4
Webster Roald GrahamVP, Chief Accounting OfficerMay 13May 15A544$0.00$022,600NoForm 4
Hagen ErinSVP, CHROMay 13May 15A9,058$0.00$039,152NoForm 4
Doogue MichaelPresident and CEOMay 13May 15A77,135$0.00$0255,884NoForm 4
Doogue MichaelPresident and CEOMay 13May 15A83,700$0.00$0339,584NoForm 4
Coleman TroySVP, General Manager, ProductsMay 13May 15A18,116$0.00$091,646NoForm 4
Briansky SharonSVP, GC and SecretaryMay 13May 15A15,852$0.00$091,084NoForm 4
Briansky SharonSVP, GC and SecretaryMay 13May 15A2,611$0.00$093,695NoForm 4
Madormo RichardSVP, Worldwide SalesMay 13May 15A19,815$0.00$080,126NoForm 4
D'Antilio DerekEVP, CFO & TreasurerMay 13May 15A29,439$0.00$0246,215NoForm 4
D'Antilio DerekEVP, CFO & TreasurerMay 13May 15A30,438$0.00$0276,653NoForm 4
Kent IanSVP, Global OperationsMay 13May 15A8,492$0.00$030,379NoForm 4
Willett RobertMay 13May 15A1,094$0.00$01,094NoForm 4
Doogue MichaelPresident and CEOMay 11May 13S30,089$47.23Sale −$1,421,103252,797NoForm 4
Briansky SharonSVP, GC and SecretaryMay 11May 13S8,948$47.54Sale −$425,38875,232NoForm 4
Madormo RichardSVP, Worldwide SalesMar 24Mar 25D6,498$32.58$211,70560,311NoForm 4
Kent IanSVP, Global OperationsFeb 2Mar 4A9,183$0.00$021,887NoForm 4
Hagen ErinSVP, CHROMar 2Mar 3S2,598$35.00Sale −$90,93030,094NoForm 4
Briansky SharonSVP, GC and SecretaryMar 2Mar 3S9,727$35.00Sale −$340,44584,180NoForm 4
Hagen ErinSVP, CHROFeb 27Mar 3F1,996$36.47$72,79432,692NoForm 4
D'Antilio DerekEVP, CFO & TreasurerFeb 27Mar 3F9,995$36.47$364,518216,776NoForm 4
Briansky SharonSVP, GC and SecretaryFeb 27Mar 3F9,107$36.47$332,13293,907NoForm 4
Briansky SharonSVP, GC and SecretaryFeb 17Feb 18S9,258$41.56Sale −$384,762103,014NoForm 4
D'Antilio DerekEVP, CFO & TreasurerFeb 13Feb 18F17,808$42.38$754,703226,771NoForm 4
Briansky SharonSVP, GC and SecretaryFeb 13Feb 18F8,991$42.38$381,039112,272NoForm 4
Briansky SharonSVP, GC and SecretaryDec 10, 2025Dec 12, 2025S27,873$30.00Sale −$836,190121,263NoForm 4
Coleman TroySVP, General Manager, ProductsNov 11, 2025Nov 12, 2025A73,530$0.00$073,530NoForm 4
Webster Roald GrahamVP, Chief Accounting OfficerAug 22, 2025Aug 25, 2025S8,266$32.81Sale −$271,20717,300NoForm 4
Lury Richard R.Aug 12, 2025Aug 13, 2025S7,000$31.81Sale −$222,67018,857NoForm 4
Suzuki YoshihiroAug 7, 2025Aug 8, 2025A5,932$0.00$0213,560NoForm 4
Puma Mary GAug 7, 2025Aug 8, 2025A5,932$0.00$017,483NoForm 4
Martin Joseph RAug 7, 2025Aug 8, 2025A5,932$0.00$035,179NoForm 4
Palepu Krishna G.Aug 7, 2025Aug 8, 2025A5,932$0.00$09,961NoForm 4
Lynch Susan DAug 7, 2025Aug 8, 2025A5,932$0.00$029,516NoForm 4
Lury Richard R.Aug 7, 2025Aug 8, 2025A5,932$0.00$025,857NoForm 4
Raubacher JennieAug 7, 2025Aug 8, 2025A5,932$0.00$014,976NoForm 4
Hagen ErinSVP, CHROAug 4, 2025Aug 5, 2025S5,043$31.18Sale −$157,24134,688NoForm 4
Lury Richard R.Jun 11, 2025Jun 12, 2025S3,100$30.45Sale −$94,39519,925NoForm 4
Lury Richard R.Jun 4, 2025Jun 6, 2025S6,849$27.60Sale −$189,03223,025NoForm 4
D'Antilio DerekEVP, CFO & TreasurerMay 16, 2025May 19, 2025F29,911$27.51$822,852244,579NoForm 4
Briansky SharonSVP, GC and SecretaryMay 16, 2025May 19, 2025F18,712$27.51$514,767149,136NoForm 4
Hagen ErinSVP, CHROMay 16, 2025May 19, 2025F4,899$27.51$134,77139,731NoForm 4
Webster Roald GrahamVP, Chief Accounting OfficerMay 16, 2025May 19, 2025F4,948$27.51$136,11925,566NoForm 4
Doogue MichaelPresident and CEOMay 16, 2025May 19, 2025F21,730$27.51$597,792215,549NoForm 4
D'Antilio DerekEVP, CFO & TreasurerMay 15, 2025May 19, 2025A65,098$0.00$0274,490NoForm 4
Briansky SharonSVP, GC and SecretaryMay 15, 2025May 19, 2025A35,053$0.00$0167,848NoForm 4
Hagen ErinSVP, CHROMay 15, 2025May 19, 2025A18,153$0.00$044,630NoForm 4
Madormo RichardSVP, Worldwide SalesMay 15, 2025May 19, 2025A37,557$0.00$066,809NoForm 4
Webster Roald GrahamVP, Chief Accounting OfficerMay 15, 2025May 19, 2025A9,765$0.00$030,514NoForm 4
Doogue MichaelPresident and CEOMay 15, 2025May 19, 2025A150,226$0.00$0237,279NoForm 4
Briansky SharonSVP, GC and SecretaryMay 13, 2025May 14, 2025A14,656$0.00$0132,795NoForm 4
Hagen ErinSVP, CHROMay 13, 2025May 14, 2025A1,222$0.00$026,477NoForm 4
Webster Roald GrahamVP, Chief Accounting OfficerMay 13, 2025May 14, 2025A1,002$0.00$020,749NoForm 4
D'Antilio DerekEVP, CFO & TreasurerMay 13, 2025May 14, 2025A21,295$0.00$0209,392NoForm 4
Doogue MichaelPresident and CEOMay 13, 2025May 14, 2025A18,489$0.00$087,053NoForm 4
Briansky SharonSVP, GC and SecretaryFeb 27, 2025Mar 3, 2025A18,834$0.00$0118,139NoForm 4
Hagen ErinSVP, CHROFeb 27, 2025Mar 3, 2025A4,594$0.00$025,255NoForm 4
D'Antilio DerekEVP, CFO & TreasurerFeb 27, 2025Mar 3, 2025A20,671$0.00$0188,097NoForm 4
Palepu Krishna G.Jan 31, 2025Feb 3, 2025A4,029$0.00$04,029NoForm 4
Glover Max R.SVP of Worldwide SalesNov 18, 2024Nov 19, 2024F2,644$19.24$50,871266,339NoForm 4
Doogue MichaelSVP, CTONov 18, 2024Nov 19, 2024F2,319$19.24$44,61862,404NoForm 4
Doogue MichaelSVP, CTONov 18, 2024Nov 19, 2024P15,000$19.00Purchase +$285,000246,086NoForm 4
Nargolwala Vineet APresident and CEONov 5, 2024Nov 6, 2024P4,800$19.89Purchase +$95,472355,913NoForm 4
Nargolwala Vineet APresident and CEONov 5, 2024Nov 6, 2024P200$19.87Purchase +$3,974356,113NoForm 4
Narayan SumanSVP, ProductsAug 30, 2024Sep 3, 2024F714$24.53$17,514123,084NoForm 4
Puma Mary GAug 8, 2024Aug 9, 2024A6,873$26.92$185,02111,551NoForm 4
Raubacher JennieAug 8, 2024Aug 9, 2024A6,873$26.92$185,0219,044NoForm 4
Lury Richard R.Aug 8, 2024Aug 9, 2024A6,873$26.92$185,02129,874NoForm 4
Lynch Susan DAug 8, 2024Aug 9, 2024A6,873$26.92$185,02123,584NoForm 4
Schorr Paul IVAug 8, 2024Aug 9, 2024A6,873$26.92$185,02110,199NoForm 4
Suzuki YoshihiroAug 8, 2024Aug 9, 2024A6,873$26.92$185,021207,628NoForm 4
Martin Joseph RAug 8, 2024Aug 9, 2024A6,873$26.92$185,02129,247NoForm 4
Aldrich David JAug 8, 2024Aug 9, 2024A6,873$26.92$185,02126,746NoForm 4
Sanken Electric Co., Ltd.Aug 7, 2024Aug 9, 2024S10,017,315$23.16Sale −$232,001,01559,732,782NoForm 4
Nargolwala Vineet APresident and CEOAug 1, 2024Aug 2, 2024F7,681$24.17$185,650351,113NoForm 4
Sanken Electric Co., Ltd.Jul 29, 2024Jul 31, 2024S28,750,000$23.16Sale −$665,850,00069,750,097NoForm 4
Nargolwala Vineet APresident and CEOJun 13, 2024Jun 14, 2024F36,066$29.12$1,050,242358,794NoForm 4
Webster Roald GrahamSVP, CAOJun 11, 2024Jun 13, 2024A5,520$0.00$019,747NoForm 4
Hagen ErinSVP, CHROJun 11, 2024Jun 13, 2024A9,659$0.00$020,661NoForm 4
Narayan SumanSVP, ProductsJun 11, 2024Jun 13, 2024A17,248$0.00$0123,798NoForm 4
Briansky SharonSVP, GC and SecretaryJun 11, 2024Jun 13, 2024A17,248$0.00$099,305NoForm 4
Doogue MichaelSVP, CTOJun 11, 2024Jun 13, 2024A24,837$0.00$064,723NoForm 4
D'Antilio DerekSVP, CFO & TreasurerJun 11, 2024Jun 13, 2024A34,495$0.00$0167,426NoForm 4
Glover Max R.SVP of Worldwide SalesJun 11, 2024Jun 13, 2024A20,697$0.00$0268,983NoForm 4
Nargolwala Vineet APresident and CEOJun 11, 2024Jun 13, 2024A82,788$0.00$0394,860NoForm 4
Briansky SharonSVP, GC and SecretaryJun 3, 2024Jun 4, 2024F1,929$29.27$56,46282,057NoForm 4
Narayan SumanSVP, ProductsJun 3, 2024Jun 4, 2024F1,570$29.27$45,954106,550NoForm 4
Lury Richard R.May 30, 2024May 31, 2024S8,500$30.00Sale −$255,00023,001NoForm 4
Doogue MichaelSVP, CTOMay 22, 2024May 23, 2024J29,384$0.00$039,886NoForm 4
Doogue MichaelSVP, CTOMay 22, 2024May 23, 2024J29,384$0.00$0231,086NoForm 4
Glover Max R.SVP of Worldwide SalesMay 16, 2024May 17, 2024F26,540$29.75$789,565248,286NoForm 4
D'Antilio DerekSVP, CFO & TreasurerMay 16, 2024May 17, 2024F12,494$29.75$371,697132,931NoForm 4
Nargolwala Vineet APresident and CEOMay 16, 2024May 17, 2024F24,160$29.75$718,760312,072NoForm 4
Narayan SumanSVP, ProductsMay 16, 2024May 17, 2024F10,816$29.75$321,776108,120NoForm 4
Webster Roald GrahamSVP, CAOMay 16, 2024May 17, 2024F3,113$29.75$92,61214,227NoForm 4
Briansky SharonSVP, GC and SecretaryMay 16, 2024May 17, 2024F7,773$29.75$231,24783,986NoForm 4
Doogue MichaelSVP, CTOMay 16, 2024May 17, 2024F19,110$29.75$568,52369,270NoForm 4
Glover Max R.SVP of Worldwide SalesMay 15, 2024May 17, 2024A30,201$0.00$0274,826NoForm 4
D'Antilio DerekSVP, CFO & TreasurerMay 15, 2024May 17, 2024A13,251$0.00$0145,425NoForm 4
Nargolwala Vineet APresident and CEOMay 15, 2024May 17, 2024A34,071$0.00$0336,232NoForm 4
Narayan SumanSVP, ProductsMay 15, 2024May 17, 2024A11,502$0.00$0118,936NoForm 4
Webster Roald GrahamSVP, CAOMay 15, 2024May 17, 2024A787$0.00$012,323NoForm 4
Webster Roald GrahamSVP, CAOMay 15, 2024May 17, 2024A5,017$0.00$017,340NoForm 4
Briansky SharonSVP, GC and SecretaryMay 15, 2024May 17, 2024A8,034$0.00$091,759NoForm 4
Doogue MichaelSVP, CTOMay 15, 2024May 17, 2024A24,626$0.00$088,380NoForm 4
Hagen ErinSVP, CHROMay 13, 2024May 15, 2024A11,002$0.00$011,002NoForm 4
Narayan SumanSVP, ProductsMay 13, 2024May 15, 2024A36,671$0.00$0107,434NoForm 4
Raubacher JennieApr 3, 2024Apr 3, 2024A2,171$0.00$02,171NoForm 4
Glover Max R.SVP of Worldwide SalesMar 8, 2024Mar 11, 2024S15,000$31.77Sale −$476,550244,625YesForm 4
Schorr Paul IVFeb 14, 2024Feb 15, 2024A3,326$0.00$03,326NoForm 4
Briansky SharonSVP, GC and SecretaryFeb 13, 2024Feb 15, 2024F5,469$30.34$165,92983,725NoForm 4
D'Antilio DerekSVP, CFO & TreasurerFeb 13, 2024Feb 15, 2024F10,725$30.34$325,397132,174NoForm 4
Doogue MichaelSVP, CTONov 21, 2023Nov 21, 2023J70,287$0.00$063,754NoForm 4
Doogue MichaelSVP, CTONov 21, 2023Nov 21, 2023J70,287$0.00$0201,702NoForm 4
Valente JoanneSVP, CHRONov 17, 2023Nov 21, 2023F15,284$28.04$428,563126,718NoForm 4
Glover Max R.SVP of Worldwide SalesNov 17, 2023Nov 21, 2023F78,410$28.04$2,198,616259,625NoForm 4
Doogue MichaelSVP, CTONov 17, 2023Nov 21, 2023F45,606$28.04$1,278,792134,041NoForm 4
Nargolwala Vineet APresident and CEONov 17, 2023Nov 20, 2023P1,000$27.84Purchase +$27,840302,161NoForm 4
Lynch Susan DNov 14, 2023Nov 15, 2023P350$27.37Purchase +$9,58016,711NoForm 4
Puma Mary GOct 18, 2023Oct 20, 2023A4,678$0.00$04,678NoForm 4