Allegro Microsystems, Inc. (ALGM) Insider Ownership

Historic Insider Ownership Trends

As of April 22, 2026, Allegro Microsystems's top three insider holders are Electric Co., Ltd. Sanken (TenPercentOwner, 59.73Mn shares), Skna, L.P. Oep (TenPercentOwner, 17.65Mn shares), Ravi Vig (President And Ceo, 2.39Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Electric Co., Ltd. Sanken - 59,732,782 0 09 Aug, 2024
Skna, L.P. Oep - 0 17,649,247 06 Feb, 2023
Ravi Vig President And Ceo 2,392,613 0 15 Jun, 2022
Ravi Vig President And Ceo 0 879,270 04 Nov, 2021
Paul V Jr Walsh Svp, Cfo Treasurer 0 684,851 23 Dec, 2021
Max R. Glover Svp Of Worldwide Sales 266,339 0 19 Nov, 2024
Michael Doogue Svp, Cto 0 246,086 19 Nov, 2024
Reza Kazerounian - 219,808 0 04 Aug, 2023
Derek D'Antilio Evp, Cfo Treasurer 216,776 0 03 Mar, 2026
Michael Doogue President And Ceo 215,549 0 19 May, 2025
Yoshihiro Suzuki - 213,560 0 08 Aug, 2025
Christopher Brown Svp And General Counsel 144,988 0 23 Nov, 2021
Michael Doogue Svp, Cto 0 131,415 14 Jun, 2023
Joanne Valente Svp, Chro 126,718 0 21 Nov, 2023
Suman Narayan Svp, Products 123,084 0 03 Sep, 2024
Paul V Jr Walsh Svp, Cfo Treasurer 95,143 0 23 Nov, 2021
Sharon Briansky Svp, Gc And Secretary 84,180 0 03 Mar, 2026
Troy Coleman Svp, General Manager, Products 73,530 0 12 Nov, 2025
Thomas C. Jr. Teebagy Svp Of Operations And Quality 73,336 0 08 Dec, 2022
Richard Madormo Svp, Worldwide Sales 60,311 0 25 Mar, 2026
Joseph R Martin - 35,179 0 08 Aug, 2025
Erin Hagen Svp, Chro 30,094 0 03 Mar, 2026
David J Aldrich - 26,746 0 09 Aug, 2024
Ian Kent Svp, Global Operations 21,887 0 04 Mar, 2026
Richard R. Lury - 18,857 0 13 Aug, 2025
Roald Graham Webster Vp, Chief Accounting Officer 17,300 0 25 Aug, 2025
Jennie Raubacher - 14,976 0 08 Aug, 2025
Paul Iv Schorr - 10,199 0 09 Aug, 2024
Noriharu Fujita - 10,036 0 30 Sep, 2021
Krishna G. Palepu - 9,961 0 08 Aug, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
24 Mar, 2026 Richard Madormo Common Stock D 6,498 $32.58 60,311 D D
02 Feb, 2026 Ian Kent Common Stock A 9,183 $0.00 21,887 D A
27 Feb, 2026 Erin Hagen Common Stock D 1,996 $36.47 32,692 D F
27 Feb, 2026 Sharon Briansky Common Stock D 9,107 $36.47 93,907 D F
27 Feb, 2026 Derek D'Antilio Common Stock D 9,995 $36.47 216,776 D F
02 Mar, 2026 Erin Hagen Common Stock D 2,598 $35.00 30,094 D S
02 Mar, 2026 Sharon Briansky Common Stock D 9,727 $35.00 84,180 D S
13 Feb, 2026 Sharon Briansky Common Stock D 8,991 $42.38 112,272 D F
13 Feb, 2026 Derek D'Antilio Common Stock D 17,808 $42.38 226,771 D F
17 Feb, 2026 Sharon Briansky Common Stock D 9,258 $41.56 103,014 D S
10 Dec, 2025 Sharon Briansky Common Stock D 27,873 $30.00 121,263 D S
11 Nov, 2025 Troy Coleman Common Stock A 73,530 $0.00 73,530 D A
22 Aug, 2025 Roald Graham Webster Common Stock D 8,266 $32.81 17,300 D S
12 Aug, 2025 Richard R. Lury Common Stock D 7,000 $31.81 18,857 D S
07 Aug, 2025 Yoshihiro Suzuki Common Stock A 5,932 $0.00 213,560 D A
07 Aug, 2025 Jennie Raubacher Common Stock A 5,932 $0.00 14,976 D A
07 Aug, 2025 Krishna G. Palepu Common Stock A 5,932 $0.00 9,961 D A
07 Aug, 2025 Richard R. Lury Common Stock A 5,932 $0.00 25,857 D A
07 Aug, 2025 Joseph R Martin Common Stock A 5,932 $0.00 35,179 D A
04 Aug, 2025 Erin Hagen Common Stock D 5,043 $31.18 34,688 D S