Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Allegro Microsystems, Inc. (ALGM) since 2020 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Allegro Microsystems, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 866291.
Total stock buying since 2020: $481,827.
Total stock sales since 2020: $2,034,961,045.
Total stock option exercises since 2020: $0.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 23,409 | $745,495 | 0 | $0 |
| 2024 | 20,000 | $384,400 | 38,782,315 | $898,327,505 | 0 | $0 |
| 2023 | 3,078 | $97,427 | 5,044,377 | $190,605,131 | 0 | $0 |
| 2022 | 0 | $0 | 161,007 | $4,624,495 | 0 | $0 |
| 2021 | 0 | $0 | 30,201,663 | $891,177,169 | 0 | $0 |
| 2020 | 0 | $0 | 3,750,000 | $49,481,250 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-08 | 0 | $0 | 20,309 | $651,100 | 0 | $0 |
| 2025-06 | 0 | $0 | 3,100 | $94,395 | 0 | $0 |
| 2024-11 | 20,000 | $384,400 | 0 | $0 | 0 | $0 |
| 2024-08 | 0 | $0 | 10,017,315 | $232,001,015 | 0 | $0 |
| 2024-07 | 0 | $0 | 28,750,000 | $665,850,000 | 0 | $0 |
| 2024-03 | 0 | $0 | 15,000 | $476,490 | 0 | $0 |
| 2023-11 | 1,350 | $37,419 | 0 | $0 | 0 | $0 |
| 2023-09 | 1,488 | $50,041 | 0 | $0 | 0 | $0 |
| 2023-08 | 0 | $0 | 17,000 | $658,376 | 0 | $0 |
| 2023-02 | 240 | $9,967 | 5,026,000 | $189,905,440 | 0 | $0 |
| 2023-01 | 0 | $0 | 1,377 | $41,315 | 0 | $0 |
| 2022-12 | 0 | $0 | 7,500 | $232,485 | 0 | $0 |
| 2022-11 | 0 | $0 | 137,729 | $3,974,131 | 0 | $0 |
| 2022-05 | 0 | $0 | 8,278 | $200,079 | 0 | $0 |
| 2022-03 | 0 | $0 | 7,500 | $217,800 | 0 | $0 |
| 2021-12 | 0 | $0 | 130,000 | $4,388,050 | 0 | $0 |
| 2021-11 | 0 | $0 | 9,239,372 | $280,044,775 | 0 | $0 |
| 2021-10 | 0 | $0 | 190,931 | $6,164,735 | 0 | $0 |
| 2021-09 | 0 | $0 | 438,260 | $13,958,875 | 0 | $0 |
| 2021-08 | 0 | $0 | 312,439 | $8,819,552 | 0 | $0 |
| 2021-07 | 0 | $0 | 388,913 | $10,489,267 | 0 | $0 |
| 2021-06 | 0 | $0 | 8,913 | $232,629 | 0 | $0 |
| 2021-05 | 0 | $0 | 277,163 | $7,016,423 | 0 | $0 |
| 2021-04 | 0 | $0 | 150,246 | $4,038,783 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-22 | Webster Roald Graham (VP, Chief Accounting Officer) | Sale | 8,266 | 32.81 | 271,190 |
| 2025-08-12 | Lury Richard R. | Sale | 7,000 | 31.81 | 222,670 |
| 2025-08-04 | Hagen Erin (SVP, CHRO) | Sale | 5,043 | 31.18 | 157,240 |
| 2025-06-11 | Lury Richard R. | Sale | 3,100 | 30.45 | 94,395 |
| 2024-11-18 | Doogue Michael (SVP, CTO) | Buy | 15,000 | 19.00 | 285,000 |
| 2024-11-05 | Nargolwala Vineet A (President and CEO) | Buy | 5,000 | 19.88 | 99,400 |
| 2024-08-07 | Sanken Electric Co., Ltd. | Sale | 10,017,315 | 23.16 | 232,001,015 |
| 2024-07-29 | Sanken Electric Co., Ltd. | Sale | 28,750,000 | 23.16 | 665,850,000 |
| 2024-03-08 | Glover Max R. (SVP of Worldwide Sales) | Sale | 15,000 | 31.77 | 476,490 |
| 2023-11-17 | Nargolwala Vineet A (President and CEO) | Buy | 1,000 | 27.84 | 27,840 |
| 2023-11-14 | Lynch Susan D | Buy | 350 | 27.37 | 9,579 |
| 2023-09-15 | D'antilio Derek (SVP, CFO & Treasurer) | Buy | 1,488 | 33.63 | 50,041 |
| 2023-08-23 | Martin Joseph R (Director) | Sale | 17,000 | 38.73 | 658,376 |
| 2023-02-08 | Lury Richard R. | Sale | 6,000 | 42.58 | 255,480 |
| 2023-02-03 | Lynch Susan D | Buy | 240 | 41.53 | 9,967 |
| 2023-02-02 | Oep Skna Gp, Llc | Sale | 4,980,000 | 37.76 | 188,044,800 |
| 2023-02-02 | Glover Max R. (SVP of Worldwide Sales) | Sale | 40,000 | 40.13 | 1,605,160 |
| 2023-01-06 | Valente Joanne (SVP, CHRO) | Sale | 1,377 | 30.00 | 41,315 |
| 2022-12-01 | Doogue Michael (SVP, CTO) | Sale | 7,500 | 31.00 | 232,485 |
| 2022-11-15 | Doogue Michael (SVP, CTO) | Sale | 72,828 | 29.25 | 2,130,219 |
| 2022-11-04 | Martin Joseph R | Sale | 16,349 | 25.92 | 423,766 |
| 2022-05-23 | Martin Joseph R | Sale | 8,278 | 24.17 | 200,079 |
| 2022-03-18 | Doogue Michael (SVP of Technology and Products) | Sale | 7,500 | 29.04 | 217,800 |
| 2021-12-27 | Teebagy Thomas C. Jr. (SVP of Operations and Quality) | Sale | 5,000 | 34.61 | 173,050 |
| 2021-12-21 | Walsh Paul V Jr (SVP, CFO & Treasurer) | Sale | 50,000 | 33.42 | 1,671,000 |
| 2021-12-07 | Walsh Paul V Jr (SVP, CFO & Treasurer) | Sale | 75,000 | 33.92 | 2,544,000 |
| 2021-11-23 | Walsh Paul V Jr (SVP, CFO & Treasurer) | Sale | 50,000 | 30.75 | 1,537,500 |
| 2021-11-23 | Martin Joseph R | Sale | 13,000 | 30.61 | 397,930 |
| 2021-11-19 | Doogue Michael (SVP of Technology and Products) | Sale | 2,311 | 32.59 | 75,315 |
| 2021-11-19 | Glover Max R. (SVP of Worldwide Sales) | Sale | 1,753 | 32.59 | 57,130 |
| 2021-11-19 | Teebagy Thomas C. Jr. (SVP of Operations and Quality) | Sale | 2,101 | 32.59 | 68,471 |
| 2021-11-19 | Vig Ravi (President and CEO) | Sale | 10,502 | 32.59 | 342,260 |
| 2021-11-19 | Brown Christopher (SVP and General Counsel) | Sale | 2,132 | 32.59 | 69,481 |
| 2021-11-19 | Walsh Paul V Jr (SVP, CFO & Treasurer) | Sale | 2,350 | 32.59 | 76,586 |
| 2021-11-09 | Walsh Paul V Jr (SVP, CFO & Treasurer) | Sale | 75,000 | 32.26 | 2,419,500 |
| 2021-11-03 | Oep Skna Gp, Llc | Sale | 8,625,000 | 30.25 | 260,906,250 |
| 2021-11-03 | Vig Ravi (President and CEO) | Sale | 102,226 | 31.37 | 3,206,829 |
| 2021-11-02 | Vig Ravi (President and CEO) | Sale | 167,774 | 31.25 | 5,242,937 |
| 2021-11-01 | Doogue Michael (SVP of Technology and Products) | Sale | 28,044 | 30.50 | 855,342 |
| 2021-11-01 | Teebagy Thomas C. Jr. (SVP of Operations and Quality) | Sale | 157,179 | 30.47 | 4,789,244 |
| 2021-10-29 | Teebagy Thomas C. Jr. (SVP of Operations and Quality) | Sale | 68,620 | 33.26 | 2,282,301 |
| 2021-10-29 | Martin Joseph R | Sale | 20,000 | 33.41 | 668,199 |
| 2021-10-25 | Teebagy Thomas C. Jr. (SVP of Operations and Quality) | Sale | 4,831 | 33.42 | 161,452 |
| 2021-10-22 | Teebagy Thomas C. Jr. (SVP of Operations and Quality) | Sale | 7,952 | 33.45 | 265,994 |
| 2021-10-21 | Teebagy Thomas C. Jr. (SVP of Operations and Quality) | Sale | 2,789 | 33.36 | 93,041 |
| 2021-10-18 | Walsh Paul V Jr (SVP, CFO & Treasurer) | Sale | 70,000 | 30.94 | 2,165,800 |
| 2021-10-01 | Doogue Michael (SVP of Technology and Products) | Sale | 16,739 | 31.54 | 527,948 |
| 2021-09-29 | Fujita Noriharu | Sale | 12,143 | 31.88 | 387,118 |
| 2021-09-20 | Walsh Paul V Jr (SVP, CFO & Treasurer) | Sale | 70,000 | 33.25 | 2,327,500 |
| 2021-09-14 | Doogue Michael (SVP of Technology and Products) | Sale | 16,610 | 33.92 | 563,411 |
| 2021-09-13 | Lury Richard R. | Sale | 11,900 | 32.60 | 387,940 |
| 2021-09-13 | Doogue Michael (SVP of Technology and Products) | Sale | 83,390 | 33.59 | 2,801,070 |
| 2021-09-13 | Glover Max R. (SVP of Worldwide Sales) | Sale | 14,000 | 33.06 | 462,840 |
| 2021-09-03 | Doogue Michael (SVP of Technology and Products) | Sale | 53,478 | 31.23 | 1,670,117 |
| 2021-09-02 | Vig Ravi (President and CEO) | Sale | 59,390 | 30.45 | 1,808,603 |
| 2021-09-01 | Doogue Michael (SVP of Technology and Products) | Sale | 16,739 | 30.23 | 506,019 |
| 2021-09-01 | Vig Ravi (President and CEO) | Sale | 100,610 | 30.26 | 3,044,257 |
| 2021-08-19 | Walsh Paul V Jr (SVP, CFO & Treasurer) | Sale | 20,598 | 27.88 | 574,272 |
| 2021-08-18 | Walsh Paul V Jr (SVP, CFO & Treasurer) | Sale | 49,402 | 27.94 | 1,380,291 |
| 2021-08-16 | Lury Richard R. | Sale | 35,700 | 29.51 | 1,053,507 |
| 2021-08-06 | Doogue Michael (SVP of Technology and Products) | Sale | 5,112 | 28.97 | 148,094 |
| 2021-08-05 | Doogue Michael (SVP of Technology and Products) | Sale | 32,714 | 28.92 | 946,088 |
| 2021-08-04 | Vig Ravi (President and CEO) | Sale | 22,582 | 28.28 | 638,618 |
| 2021-08-03 | Vig Ravi (President and CEO) | Sale | 56,566 | 27.80 | 1,572,534 |
| 2021-08-02 | Doogue Michael (SVP of Technology and Products) | Sale | 8,913 | 27.91 | 248,761 |
| 2021-08-02 | Vig Ravi (President and CEO) | Sale | 80,852 | 27.92 | 2,257,387 |
| 2021-07-30 | Teebagy Thomas C. Jr. (SVP of Operations and Quality) | Sale | 150,000 | 27.10 | 4,065,000 |
| 2021-07-19 | Walsh Paul V Jr (SVP, CFO & Treasurer) | Sale | 70,000 | 25.11 | 1,757,700 |
| 2021-07-06 | Vig Ravi (President and CEO) | Sale | 48,439 | 28.24 | 1,367,917 |
| 2021-07-02 | Vig Ravi (President and CEO) | Sale | 27,220 | 27.56 | 750,183 |
| 2021-07-01 | Doogue Michael (SVP of Technology and Products) | Sale | 8,913 | 27.34 | 243,681 |
| 2021-07-01 | Vig Ravi (President and CEO) | Sale | 84,341 | 27.33 | 2,304,786 |
| 2021-06-01 | Doogue Michael (SVP of Technology and Products) | Sale | 8,913 | 26.10 | 232,629 |
| 2021-05-27 | Brown Christopher (Sr. VP, General Counsel) | Sale | 26,250 | 26.63 | 699,037 |
| 2021-05-26 | Doogue Michael (SVP of Technology and Products) | Sale | 8,913 | 26.05 | 232,183 |
| 2021-05-26 | Glover Max R. (SVP of Worldwide Sales) | Sale | 12,000 | 26.06 | 312,720 |
| 2021-05-26 | Vig Ravi (President and CEO) | Sale | 68,579 | 25.82 | 1,771,052 |
| 2021-05-25 | Vig Ravi (President and CEO) | Sale | 87,362 | 25.45 | 2,223,188 |
| 2021-05-24 | Vig Ravi (President and CEO) | Sale | 4,059 | 25.00 | 101,487 |
| 2021-05-19 | Walsh Paul V Jr (SVP, CFO & Treasurer) | Sale | 4,725 | 23.59 | 111,462 |
| 2021-05-18 | Walsh Paul V Jr (SVP, CFO & Treasurer) | Sale | 65,275 | 23.98 | 1,565,294 |
| 2021-04-27 | Teebagy Thomas C. Jr. (SVP of Operations and Quality) | Sale | 56,670 | 26.85 | 1,521,589 |
| 2021-04-26 | Teebagy Thomas C. Jr. (SVP of Operations and Quality) | Sale | 93,576 | 26.90 | 2,517,194 |
| 2021-03-08 | Oep Skna Gp, Llc (10% Owner) | Sale | 1,832,852 | 29.16 | 53,453,295 |
| 2021-02-09 | Oep Skna Gp, Llc (10% Owner) | Sale | 11,355,799 | 29.16 | 331,180,522 |
| 2021-02-09 | Sanken Electric Co., Ltd. (10% Owner) | Sale | 5,200,000 | 29.16 | 151,652,800 |
| 2021-02-09 | Lury Richard R. (Director) | Sale | 11,709 | 29.16 | 341,481 |
| 2021-02-09 | Doogue Michael (SVP of Technology and Products) | Sale | 90,829 | 29.16 | 2,648,936 |
| 2021-02-09 | Glover Max R. (SVP of Worldwide Sales) | Sale | 29,272 | 29.16 | 853,688 |
| 2021-02-09 | Teebagy Thomas C. Jr. (SVP of Operations and Quality) | Sale | 101,756 | 29.16 | 2,967,611 |
| 2021-02-09 | Vig Ravi (President and CEO) | Sale | 400,000 | 29.16 | 11,665,600 |
| 2021-02-09 | Kazerounian Reza (Director) | Sale | 19,000 | 29.16 | 554,116 |
| 2021-02-09 | Brown Christopher (See Remarks) | Sale | 12,500 | 29.16 | 364,550 |
| 2021-02-09 | Martin Joseph R (Director) | Sale | 11,709 | 29.16 | 341,481 |
| 2020-11-02 | Oep Skna Gp, Llc (10% Owner) | Sale | 1,125,000 | 13.20 | 14,844,375 |
| 2020-11-02 | Sanken Electric Co., Ltd. (10% Owner) | Sale | 2,625,000 | 13.20 | 34,636,875 |
Insider trading activities including stock purchases, stock sales, and option exercises of ALGM listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Allegro Microsystems, Inc. (symbol ALGM, CIK number 866291) see the Securities and Exchange Commission (SEC) website.