Allegro MicroSystems, Inc. (ALGM) has 20 known insider and institutional holders on record. The largest holder is Sanken Electric Co., Ltd. with 59,732,782 shares. Other notable holders include OEP SKNA, L.P. and Vig Ravi.
Over the last 12 months, insiders have made 42 transactions in ALGM stock — 20 buys (valued at RSU Award) and 9 sells (valued at $2.59M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
ALGM Insider Ownership
Top Holder
Sanken Electric Co., Ltd.
59,732,782 shares
Buys (12 mo)
20
$0.00 value
Sells (12 mo)
9
$2.59M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Sanken Electric Co., Ltd. |
10 Percent Owner |
59,732,782 |
2024-08-09 |
|
| 2 |
Oep Skna, L.p. |
10 Percent Owner |
17,649,247 |
2023-02-06 |
|
| 3 |
Vig Ravi |
President and CEO |
1,565,708 |
2022-06-15 |
|
| 4 |
Walsh Paul V Jr |
SVP, CFO & Treasurer |
684,851 |
2021-12-23 |
|
| 5 |
Nargolwala Vineet A |
President and CEO |
355,913 |
2024-11-06 |
|
| 6 |
Glover Max R. |
SVP of Worldwide Sales |
266,339 |
2024-11-19 |
|
| 7 |
Doogue Michael |
President and CEO |
237,279 |
2025-05-19 |
|
| 8 |
Kazerounian Reza |
Director |
219,808 |
2023-08-04 |
|
| 9 |
D'antilio Derek |
EVP, CFO & Treasurer |
216,776 |
2026-03-03 |
|
| 10 |
Suzuki Yoshihiro |
Director |
213,560 |
2025-08-08 |
|
| 11 |
Brown Christopher |
SVP and General Counsel |
144,988 |
2021-11-23 |
|
| 12 |
Valente Joanne |
SVP, Chro |
126,718 |
2023-11-21 |
|
| 13 |
Narayan Suman |
SVP, Products |
123,084 |
2024-09-03 |
|
| 14 |
Briansky Sharon |
SVP, Gc and Secretary |
93,907 |
2026-03-03 |
|
| 15 |
Takani Hideo |
Director |
74,220 |
2020-10-29 |
|
| 16 |
Coleman Troy |
SVP, General Manager, Products |
73,530 |
2025-11-12 |
|
| 17 |
Teebagy Thomas C. Jr. |
SVP of Operations and Quality |
73,336 |
2022-12-08 |
|
| 18 |
Madormo Richard |
SVP, Worldwide Sales |
60,311 |
2026-03-25 |
|
| 19 |
Martin Joseph R |
Director |
35,179 |
2025-08-08 |
|
| 20 |
Hagen Erin |
SVP, Chro |
32,692 |
2026-03-03 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-24 |
Madormo Richard |
SVP, Worldwide Sales |
Return of Shares |
6,498 |
$32.58 |
$211.7K |
| 2026-02-02 |
Kent Ian |
SVP, Global Operations |
RSU Award |
9,183 |
- |
- |
| 2026-03-02 |
Hagen Erin |
SVP, Chro |
Informative Sell |
2,598 |
$35.00 |
$90.93K |
| 2026-02-27 |
Hagen Erin |
SVP, Chro |
Tax Withholding of RSU |
1,996 |
$36.47 |
$72.79K |
| 2026-02-27 |
D'antilio Derek |
EVP, CFO & Treasurer |
Tax Withholding of RSU |
9,995 |
$36.47 |
$364.52K |
| 2026-03-02 |
Briansky Sharon |
SVP, Gc and Secretary |
Informative Sell |
9,727 |
$35.00 |
$340.45K |
| 2026-02-27 |
Briansky Sharon |
SVP, Gc and Secretary |
Tax Withholding of RSU |
9,107 |
$36.47 |
$332.13K |
| 2026-02-13 |
D'antilio Derek |
EVP, CFO & Treasurer |
Tax Withholding of RSU |
17,808 |
$42.38 |
$754.7K |
| 2026-02-17 |
Briansky Sharon |
SVP, Gc and Secretary |
Informative Sell |
9,258 |
$41.56 |
$384.76K |
| 2026-02-13 |
Briansky Sharon |
SVP, Gc and Secretary |
Tax Withholding of RSU |
8,991 |
$42.38 |
$381.04K |
| 2026-01-05 |
Kent Ian |
SVP, Global Operations |
Unknown |
- |
- |
- |
| 2025-12-10 |
Briansky Sharon |
SVP, Gc and Secretary |
Informative Sell |
27,873 |
$30.00 |
$836.19K |
| 2025-11-11 |
Coleman Troy |
SVP, General Manager, Products |
RSU Award |
73,530 |
- |
- |
| 2025-10-13 |
Coleman Troy |
Officer |
Unknown |
- |
- |
- |
| 2025-08-22 |
Webster Roald Graham |
VP, Chief Accounting Officer |
Informative Sell |
8,266 |
$32.81 |
$271.19K |
| 2025-08-12 |
Lury Richard R. |
Director |
Informative Sell |
7,000 |
$31.81 |
$222.67K |
| 2025-08-07 |
Raubacher Jennie |
Director |
RSU Award |
5,932 |
- |
- |
| 2025-08-07 |
Suzuki Yoshihiro |
Director |
RSU Award |
5,932 |
- |
- |
| 2025-08-07 |
Lury Richard R. |
Director |
RSU Award |
5,932 |
- |
- |
| 2025-08-07 |
Lynch Susan D |
Director |
RSU Award |
5,932 |
- |
- |
| 2025-08-07 |
Palepu Krishna G. |
Director |
RSU Award |
5,932 |
- |
- |
| 2025-08-07 |
Martin Joseph R |
Director |
RSU Award |
5,932 |
- |
- |
| 2025-08-07 |
Puma Mary G |
Director |
RSU Award |
5,932 |
- |
- |
| 2025-08-04 |
Hagen Erin |
SVP, Chro |
Informative Sell |
5,043 |
$31.18 |
$157.24K |
| 2025-06-11 |
Lury Richard R. |
Director |
Informative Sell |
3,100 |
$30.45 |
$94.4K |
