ALLEGRO MICROSYSTEMS INC. (ALGM) - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for ALLEGRO MICROSYSTEMS INC.
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2026-06-03
Sale
2026-06-04
4:16 pm
ALLEGRO MICROSYSTEMS INC.ALGMMadormo Richard
SVP, Worldwide Sales
5,000$52.72$263,60069,687
(Direct)
View
2026-05-22
Sale
2026-05-26
4:16 pm
ALLEGRO MICROSYSTEMS INC.ALGMColeman Troy
SVP, General Manager, Products
4,500$45.72$205,74077,476
(Direct)
View
2026-05-21
Sale
2026-05-22
4:16 pm
ALLEGRO MICROSYSTEMS INC.ALGMWebster Roald Graham
VP, Chief Accounting Officer
5,217$44.88$234,16513,106
(Direct)
View
2026-05-18
Sale
2026-05-19
5:30 pm
ALLEGRO MICROSYSTEMS INC.ALGMKent Ian
SVP, Global Operations
2,642$41.56$109,80225,392
(Direct)
View
2026-05-14
Sale
2026-05-15
4:20 pm
ALLEGRO MICROSYSTEMS INC.ALGMLynch Susan D
Director
16,711$45.46$759,62512,805
(Direct)
View
2026-05-11
Sale
2026-05-13
4:16 pm
ALLEGRO MICROSYSTEMS INC.ALGMBriansky Sharon
SVP, GC and Secretary
8,948$47.54$425,38075,232
(Direct)
View
2026-05-11
Sale
2026-05-13
4:16 pm
ALLEGRO MICROSYSTEMS INC.ALGMDoogue Michael
President and CEO
30,089$47.23$1,421,251431,546
(Indirect
Direct)
View
2026-03-24
Sale
2026-03-25
4:15 pm
ALLEGRO MICROSYSTEMS INC.ALGMMadormo Richard
SVP, Worldwide Sales
6,498$32.58$211,70560,311
(Direct)
View
2026-03-02
Sale
2026-03-03
4:15 pm
ALLEGRO MICROSYSTEMS INC.ALGMBriansky Sharon
SVP, GC and Secretary
9,727$35$340,44584,180
(Direct)
View
2026-03-02
Sale
2026-03-03
4:15 pm
ALLEGRO MICROSYSTEMS INC.ALGMHagen Erin
SVP, CHRO
2,598$35$90,93030,094
(Direct)
View
2026-02-17
Sale
2026-02-18
4:16 pm
ALLEGRO MICROSYSTEMS INC.ALGMBriansky Sharon
SVP, GC and Secretary
9,258$41.56$384,762103,014
(Direct)
View
2025-12-10
Sale
2025-12-12
4:16 pm
ALLEGRO MICROSYSTEMS INC.ALGMBriansky Sharon
SVP, GC and Secretary
27,873$30$836,190121,263
(Direct)
View
2025-08-22
Sale
2025-08-25
4:15 pm
ALLEGRO MICROSYSTEMS INC.ALGMWebster Roald Graham
VP, Chief Accounting Officer
8,266$32.81$271,19317,300
(Direct)
View
2025-08-12
Sale
2025-08-13
4:16 pm
ALLEGRO MICROSYSTEMS INC.ALGMLury Richard R.
Director
7,000$31.81$222,67318,857
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-05-16
Tax Withholding
2026-05-19
5:30 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMHagen Erin
SVP, CHRO
5,815$43.133,337
(Direct)
View
2026-05-16
Tax Withholding
2026-05-19
5:30 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMKent Ian
SVP, Global Operations
2,345$43.125,392
(Direct)
View
2026-05-16
Tax Withholding
2026-05-19
5:30 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMD'Antilio Derek
EVP, CFO & Treasurer
37,840$43.1238,813
(Direct)
View
2026-05-16
Tax Withholding
2026-05-19
5:30 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMMadormo Richard
SVP, Worldwide Sales
5,439$43.174,687
(Direct)
View
2026-05-16
Tax Withholding
2026-05-19
5:30 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMWebster Roald Graham
VP, Chief Accounting Officer
4,277$43.118,323
(Direct)
View
2026-05-16
Tax Withholding
2026-05-19
5:30 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMDoogue Michael
President and CEO
60,508$43.1531,873
(Direct)
View
2026-05-16
Tax Withholding
2026-05-19
5:28 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMBriansky Sharon
SVP, GC and Secretary
13,942$43.179,753
(Direct)
View
2026-05-16
Tax Withholding
2026-05-19
5:27 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMColeman Troy
SVP, General Manager, Products
9,670$43.181,976
(Direct)
View
2026-05-13
Option Award
2026-05-15
4:20 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMWillett Robert
Director
1,094$01,094
(Direct)
View
2026-05-13
Option Award
2026-05-15
4:20 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMKent Ian
SVP, Global Operations
8,492$030,379
(Direct)
View
2026-05-13
Option Award
2026-05-15
4:20 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMMadormo Richard
SVP, Worldwide Sales
19,815$080,126
(Direct)
View
2026-05-13
Option Award
2026-05-15
4:20 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMBriansky Sharon
SVP, GC and Secretary
18,463$093,695
(Direct)
View
2026-05-13
Option Award
2026-05-15
4:20 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMD'Antilio Derek
EVP, CFO & Treasurer
59,877$0276,653
(Direct)
View
2026-05-13
Option Award
2026-05-15
4:20 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMColeman Troy
SVP, General Manager, Products
18,116$091,646
(Direct)
View
2026-05-13
Option Award
2026-05-15
4:20 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMDoogue Michael
President and CEO
160,835$0592,381
(Direct)
View
2026-05-13
Option Award
2026-05-15
4:20 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMHagen Erin
SVP, CHRO
9,058$039,152
(Direct)
View
2026-05-13
Option Award
2026-05-15
4:20 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMWebster Roald Graham
VP, Chief Accounting Officer
5,300$022,600
(Direct)
View
2026-02-02
Option Award
2026-03-04
4:16 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMKent Ian
SVP, Global Operations
9,183$021,887
(Direct)
View
2026-02-27
Tax Withholding
2026-03-03
4:15 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMBriansky Sharon
SVP, GC and Secretary
9,107$36.4784,180
(Direct)
View
2026-02-27
Tax Withholding
2026-03-03
4:15 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMD'Antilio Derek
EVP, CFO & Treasurer
9,995$36.47216,776
(Direct)
View
2026-02-27
Tax Withholding
2026-03-03
4:15 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMHagen Erin
SVP, CHRO
1,996$36.4730,094
(Direct)
View
2026-02-13
Tax Withholding
2026-02-18
4:16 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMBriansky Sharon
SVP, GC and Secretary
8,991$42.38103,014
(Direct)
View
2026-02-13
Tax Withholding
2026-02-18
4:16 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMD'Antilio Derek
EVP, CFO & Treasurer
17,808$42.38226,771
(Direct)
View

Ownership
2026-01-09
4:16 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMKent Ian
SVP, Global Operations
0$012,704
(Direct)
View
2025-11-11
Option Award
2025-11-12
4:17 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMColeman Troy
SVP, General Manager, Products
73,530$073,530
(Direct)
View
2025-08-07
Option Award
2025-08-08
4:16 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMPUMA MARY G
Director
5,932$017,483
(Direct)
View
2025-08-07
Option Award
2025-08-08
4:16 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMMARTIN JOSEPH R
Director
5,932$035,179
(Direct)
View
2025-08-07
Option Award
2025-08-08
4:16 pm
N/A
N/A
ALLEGRO MICROSYSTEMS INC.ALGMSuzuki Yoshihiro
Director
5,932$0213,560
(Direct)
View
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