As of May 30, 2026, the three largest insider holders of ALGM 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).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| David J Aldrich | - | 26,746 | 0 | 09 Aug, 2024 |
| Joseph R Martin | - | 35,179 | 0 | 08 Aug, 2025 |
| Paul Iv Schorr | - | 10,199 | 0 | 09 Aug, 2024 |
| Krishna G. Palepu | - | 9,961 | 0 | 08 Aug, 2025 |
| Paul V Jr Walsh | Svp, Cfo Treasurer | 0 | 684,851 | 23 Dec, 2021 |
| Christopher Brown | Svp And General Counsel | 144,988 | 0 | 23 Nov, 2021 |
| Reza Kazerounian | - | 219,808 | 0 | 04 Aug, 2023 |
| Ravi Vig | President And Ceo | 2,392,613 | 0 | 15 Jun, 2022 |
| Thomas C. Jr. Teebagy | Svp Of Operations And Quality | 73,336 | 0 | 08 Dec, 2022 |
| Max R. Glover | Svp Of Worldwide Sales | 266,339 | 0 | 19 Nov, 2024 |
| Michael Doogue | Svp, Cto | 0 | 246,086 | 19 Nov, 2024 |
| Richard R. Lury | - | 18,857 | 0 | 13 Aug, 2025 |
| Noriharu Fujita | - | 10,036 | 0 | 30 Sep, 2021 |
| Yoshihiro Suzuki | - | 213,560 | 0 | 08 Aug, 2025 |
| Skna, L.P. Oep | - | 0 | 17,649,247 | 06 Feb, 2023 |
| Electric Co., Ltd. Sanken | - | 59,732,782 | 0 | 09 Aug, 2024 |
| Sharon Briansky | Svp, Gc And Secretary | 84,180 | 0 | 03 Mar, 2026 |
| Derek D'Antilio | Evp, Cfo Treasurer | 216,776 | 0 | 03 Mar, 2026 |
| Joanne Valente | Svp, Chro | 126,718 | 0 | 21 Nov, 2023 |
| Suman Narayan | Svp, Products | 123,084 | 0 | 03 Sep, 2024 |
| Roald Graham Webster | Vp, Chief Accounting Officer | 17,300 | 0 | 25 Aug, 2025 |
| Jennie Raubacher | - | 14,976 | 0 | 08 Aug, 2025 |
| Erin Hagen | Svp, Chro | 30,094 | 0 | 03 Mar, 2026 |
| Richard Madormo | Svp, Worldwide Sales | 60,311 | 0 | 25 Mar, 2026 |
| Troy Coleman | Svp, General Manager, Products | 73,530 | 0 | 12 Nov, 2025 |
| Ian Kent | Svp, Global Operations | 21,887 | 0 | 04 Mar, 2026 |
* 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.
| 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 |
| 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 |
| 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 |
| 27 Feb, 2026 | Sharon Briansky | Common Stock | D | 9,107 | $36.47 | 93,907 | D | F |
| 27 Feb, 2026 | Erin Hagen | Common Stock | D | 1,996 | $36.47 | 32,692 | 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 | 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 |
| 02 Mar, 2026 | Sharon Briansky | Common Stock | D | 9,727 | $35.00 | 84,180 | D | S |
| 13 Feb, 2026 | Derek D'Antilio | Common Stock | D | 17,808 | $42.38 | 226,771 | D | F |
| 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 |
| 13 Feb, 2026 | Sharon Briansky | Common Stock | D | 8,991 | $42.38 | 112,272 | D | F |
| 17 Feb, 2026 | Sharon Briansky | Common Stock | D | 9,258 | $41.56 | 103,014 | D | S |
| 17 Feb, 2026 | Sharon Briansky | Common Stock | D | 9,258 | $41.56 | 103,014 | D | S |