Over the 90-day window ending December 12, 2025, Semtech's three dominant insider ownership positions are held by EVP And COO Asaf Silberstein (93.50K shares), Director Paul V Jr Walsh (26.28K shares), President And CEO Hong Q Hou (21.56K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Mohan Maheswaran | President And CEO | 185,322 | 14 Jun, 2023 |
| Rockell N Hankin | 144,282 | 10 Jun, 2024 | |
| Emeka Chukwu | EVP And Cfo | 123,163 | 10 Mar, 2023 |
| Asaf Silberstein | EVP And COO | 93,496 | 09 Dec, 2025 |
| John Michael Wilson | Chief Quality Officer And Cto | 65,066 | 06 Jun, 2025 |
| Madhusudhan Rayabhari | SVP And Gm | 61,478 | 06 Jun, 2025 |
| Bruce C Edwards | Board Of Directors | 36,507 | 08 Jun, 2023 |
| James T Lindstrom | Board Of Directors | 27,295 | 08 Jun, 2023 |
| Paul V Jr Walsh | 26,279 | 21 Nov, 2025 | |
| Gary Beauchamp | EVP And Gm | 21,683 | 10 Mar, 2023 |
| Hong Q Hou | President And CEO | 21,559 | 05 Dec, 2025 |
| Alistair Fulton | SVP And Gm | 20,167 | 22 Aug, 2022 |
| Paul H Pickle | President And CEO | 19,673 | 02 Apr, 2024 |
| Mark Lin | EVP And Cfo | 17,844 | 03 Oct, 2025 |
| Mark P Russell | SVP | 16,826 | 07 Mar, 2025 |
| Christopher H Chang | SVP | 16,726 | 28 Mar, 2022 |
| Sylvia Summers | 16,542 | 10 Jun, 2024 | |
| James P Burra | Board Of Directors | 16,499 | 10 Jun, 2021 |
| William Ross Gray | SVP And Gm | 15,987 | 06 Jun, 2025 |
| Charles B. Ammann | EVP | 14,717 | 10 Mar, 2023 |
| Saar Gillai | 13,123 | 06 Jun, 2025 | |
| Paula Lupriore | 10,409 | 06 Jun, 2025 | |
| Michael W Rodensky | SVP | 9,830 | 11 Mar, 2024 |
| Imran Sherazi | SVP And Gm | 8,818 | 06 Jun, 2025 |
| Martin Burvill | 6,909 | 18 Sep, 2025 | |
| Norris B Powell | SVP And Chro | 6,685 | 10 Mar, 2023 |
| Ye Jane Li | 6,014 | 06 Jun, 2025 | |
| Julie Garcia Ruehl | 5,979 | 06 Jun, 2025 | |
| Thomas John Mueller | EVP | 5,358 | 11 Mar, 2024 |
| Julie Anne Mcgee | SVP And Cmo | 4,221 | 30 May, 2023 |
| Gregory Michael Fischer | 3,891 | 02 Sep, 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 05 Dec, 2025 | Asaf Silberstein | Common Stock | D | 3,726 | $79.11 | 100,270 | D | S |
| 05 Dec, 2025 | Asaf Silberstein | Common Stock | D | 6,774 | $79.93 | 93,496 | D | S |
| 03 Dec, 2025 | Hong Q Hou | Common Stock | D | 10,000 | $74.08 | 21,559 | D | S |
| 19 Nov, 2025 | Paul V Jr Walsh | Common Stock | D | 500 | $63.08 | 26,279 | D | S |
| 22 Oct, 2025 | Paul V Jr Walsh | Common Stock | D | 500 | $66.24 | 26,779 | D | S |
| 01 Oct, 2025 | Hong Q Hou | Common Stock | A | 6,483 | $0.00 | 34,852 | D | M |
| 01 Oct, 2025 | Mark Lin | Common Stock | A | 3,164 | $0.00 | 20,375 | D | M |
| 01 Oct, 2025 | Mark Lin | Common Stock | D | 1,560 | $71.45 | 18,815 | D | F |
| 01 Oct, 2025 | Hong Q Hou | Common Stock | D | 3,293 | $71.45 | 31,559 | D | F |
| 03 Oct, 2025 | Mark Lin | Common Stock | D | 386 | $72.07 | 18,429 | D | S |
| 03 Oct, 2025 | Mark Lin | Common Stock | D | 536 | $73.27 | 17,893 | D | S |
| 03 Oct, 2025 | Mark Lin | Common Stock | D | 49 | $73.92 | 17,844 | D | S |
| 16 Sep, 2025 | Martin Burvill | - | - | 6,909 | D | |||
| 16 Sep, 2025 | Martin Burvill | Common Stock | D | 3,500 | $62.75 | 6,909 | D | S |
| 29 Aug, 2025 | Gregory Michael Fischer | - | - | 4,123 | D | |||
| 29 Aug, 2025 | Gregory Michael Fischer | Common Stock | D | 1,268 | $58.25 | 4,123 | D | S |
| 29 Aug, 2025 | Gregory Michael Fischer | - | - | 3,904 | D | |||
| 29 Aug, 2025 | Gregory Michael Fischer | Common Stock | D | 219 | $59.42 | 3,904 | D | S |
| 29 Aug, 2025 | Gregory Michael Fischer | Common Stock | D | 13 | $59.87 | 3,891 | D | S |
| 29 Aug, 2025 | Gregory Michael Fischer | - | - | 3,891 | D |