Allegro Microsystems, Inc.
ALGM- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0000866291
In the last 90 days, Allegro Microsystems, Inc. insiders filed 0 open-market purchases and 2 sales; 375 institutions reported holding it in 13F filings for Q2 2026, worth $10.2B in total; Maverick Capital is the only superinvestor holding it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Allegro Microsystems, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 2 filings
- 2 insiders, $146.8K in total
- Insiders trading
- 2
- Net value
- −$146.8K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Allegro Microsystems, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Raubacher Jennie | Director | 13,976 | Aug 18, 2026 | 2 |
| Hagen Erin | SVP, CHRO | 31,052 | Aug 12, 2026 | 4 |
| Suzuki Yoshihiro | Director | 217,811 | Aug 7, 2026 | 1 |
| Martin Joseph R | Director | 39,430 | Aug 7, 2026 | 1 |
| Puma Mary G | Director | 21,734 | Aug 7, 2026 | 1 |
| Palepu Krishna G. | Director | 14,212 | Aug 7, 2026 | 1 |
| Willett Robert | Director | 1,094 | Aug 7, 2026 | 2 |
| White Brian C | Director | 594 | Aug 7, 2026 | 2 |
| Madormo Richard | SVP, Worldwide Sales | 69,687 | Jun 4, 2026 | 4 |
| Coleman Troy | SVP, General Manager, Products | 77,476 | May 26, 2026 | 4 |
| Webster Roald Graham | VP, Chief Accounting Officer | 13,106 | May 22, 2026 | 3 |
| Doogue Michael | President and CEO | 279,076 | May 19, 2026 | 3 |
| Briansky Sharon | SVP, GC and Secretary | 79,753 | May 19, 2026 | 6 |
| D'Antilio Derek | EVP, CFO & Treasurer | 238,813 | May 19, 2026 | 4 |
| Kent Ian | SVP, Global Operations | 25,392 | May 19, 2026 | 3 |
| Lynch Susan D | Director | 12,805 | May 15, 2026 | 1 |
| Lury Richard R. | Director | 18,857 | Aug 13, 2025 | 0 |
| Glover Max R. | SVP of Worldwide Sales | 266,339 | Nov 19, 2024 | 0 |
| Nargolwala Vineet A | President and CEO | 356,113 | Nov 6, 2024 | 0 |
| Narayan Suman | SVP, Products | 123,084 | Sep 3, 2024 | 0 |
| Aldrich David J | Director | 26,746 | Aug 9, 2024 | 0 |
| Schorr Paul IV | Director | 10,199 | Aug 9, 2024 | 0 |
| Sanken Electric Co., Ltd. | 10% Owner | 59,732,782 | Aug 9, 2024 | 0 |
| Valente Joanne | SVP, CHRO | 126,718 | Nov 21, 2023 | 0 |
| Kazerounian Reza | Director | 219,808 | Aug 4, 2023 | 0 |
| Oep Skna, L.P. | 10% Owner | 17,649,247Indirect | Feb 6, 2023 | 0 |
| OEP VI GP, Ltd. | 10% Owner | 17,649,247Indirect | Feb 6, 2023 | 0 |
| Oep Skna GP, LLC | 10% Owner | 17,649,247Indirect | Feb 6, 2023 | 0 |
| OEP VI General Partner, L.P. | 10% Owner | 17,649,247Indirect | Feb 6, 2023 | 0 |
| Teebagy Thomas C. Jr. | SVP of Operations and Quality | 73,336 | Dec 8, 2022 | 0 |
| Vig Ravi | President and CEO | 2,392,613 | Jun 15, 2022 | 0 |
| Walsh Paul V Jr | SVP, CFO & Treasurer | 684,851Indirect | Dec 23, 2021 | 0 |
| Brown Christopher | SVP and General Counsel | 144,988 | Nov 23, 2021 | 0 |
| Fujita Noriharu | Director | 10,036 | Sep 30, 2021 | 0 |
| King Christine | Director | 12,380 | Aug 6, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 6, 2021 (view filing) | Jul 1-6 | 5 days | Vig RaviPresident and CEO | SSale | −40.0K | $27.64 | −$1.11M | −2.3%1.70M after | 3 lots |
| Jul 6, 2021 (view filing) | Jul 1-6 | 5 days | Vig RaviPresident and CEO | SSale | −120.0K | $27.64 | −$3.32M | −21.7%433.1K after | 9 lots |
| Jul 6, 2021 (view filing) | Jul 1 | 5 days | Doogue MichaelSVP of Technology and Products | SSale | −8.91K | $27.34 | −$243.7K | −1.8%488.0K after | |
| Jul 20, 2021 (view filing) | Jul 19 | 1 day | Walsh Paul V JrSVP, CFO & Treasurer | SSale | −70.0K | $25.11 | −$1.76M | −5.7%1.16M after | |
| Aug 3, 2021 (view filing) | Jul 30 | 4 days | Teebagy Thomas C. Jr.SVP of Operations and Quality | SSale | −150.0K | $27.10 | −$4.07M | −35.2%276.4K after | |
| Aug 3, 2021 (view filing) | Aug 2 | 1 day | Doogue MichaelSVP of Technology and Products | SSale | −8.91K | $27.91 | −$248.8K | −1.8%479.0K after | |
| Aug 4, 2021 (view filing) | Aug 2-4 | 2 days | Vig RaviPresident and CEO | SSale | −40.0K | $27.93 | −$1.12M | −2.4%1.66M after | 3 lots |
| Aug 4, 2021 (view filing) | Aug 2-4 | 2 days | Vig RaviPresident and CEO | SSale | −120.0K | $27.93 | −$3.35M | −23.4%393.1K after | 9 lots |
| Aug 9, 2021 (view filing) | Aug 5-6 | 4 days | Doogue MichaelSVP of Technology and Products | SSale | −37.8K | $28.93 | −$1.09M | −7.9%441.2K after | 2 lots |
| Aug 17, 2021 (view filing) | Aug 16 | 1 day | Lury Richard R.Director | SSale | −35.7K | $29.51 | −$1.05M | −49.0%37.2K after | |
| Aug 20, 2021 (view filing) | Aug 18-19 | 2 days | Walsh Paul V JrSVP, CFO & Treasurer | SSale | −70.0K | $27.92 | −$1.95M | −6.0%1.09M after | 2 lots |
| Sep 2, 2021 (view filing) | Sep 1-2 | 1 day | Vig RaviPresident and CEO | SSale | −40.0K | $30.33 | −$1.21M | −2.4%1.62M after | 2 lots |
| Sep 2, 2021 (view filing) | Sep 1-2 | 1 day | Vig RaviPresident and CEO | SSale | −120.0K | $30.33 | −$3.64M | −25.4%353.1K after | 6 lots |
| Sep 2, 2021 (view filing) | Sep 1 | 1 day | Doogue MichaelSVP of Technology and Products | SSale | −16.7K | $30.23 | −$506.0K | −3.8%424.5K after | |
| Sep 7, 2021 (view filing) | Sep 3 | 4 days | Doogue MichaelSVP of Technology and Products | SSale | −53.5K | $31.23 | −$1.67M | −12.6%371.0K after | |
| Sep 14, 2021 (view filing) | Sep 13 | 1 day | Glover Max R.SVP of Worldwide Sales | SSale | −14.0K | $33.06 | −$462.8K | −5.5%241.7K after | |
| Sep 14, 2021 (view filing) | Sep 13-14 | 1 day | Doogue MichaelSVP of Technology and Products | SSale | −100.0K | $33.64 | −$3.36M | −27.0%271.0K after | 2 lots |
| Sep 14, 2021 (view filing) | Sep 13 | 1 day | Lury Richard R.Director | SSale | −11.9K | $32.60 | −$387.9K | −32.0%25.3K after | |
| Sep 21, 2021 (view filing) | Sep 20 | 1 day | Walsh Paul V JrSVP, CFO & Treasurer | SSale | −70.0K | $33.25 | −$2.33M | −6.4%1.02M after | |
| Sep 30, 2021 (view filing) | Sep 29 | 1 day | Fujita NoriharuDirector | SSale | −12.1K | $31.88 | −$387.1K | −54.7%10.0K after | |
| Oct 5, 2021 (view filing) | Oct 1 | 4 days | Doogue MichaelSVP of Technology and Products | SSale | −16.7K | $31.54 | −$527.9K | −6.2%254.3K after | |
| Oct 19, 2021 (view filing) | Oct 18 | 1 day | Walsh Paul V JrSVP, CFO & Treasurer | SSale | −70.0K | $30.94 | −$2.17M | −6.8%954.9K after | |
| Oct 25, 2021 (view filing) | Oct 21-25 | 4 days | Teebagy Thomas C. Jr.SVP of Operations and Quality | SSale | −15.6K | $33.42 | −$520.5K | −5.6%260.8K after | 3 lots |
| Nov 1, 2021 (view filing) | Oct 29 | 3 days | Martin Joseph RDirector | SSale | −20.0K | $33.41 | −$668.2K | −23.6%64.8K after | |
| Nov 2, 2021 (view filing) | Oct 29-Nov 1 | 4 days | Teebagy Thomas C. Jr.SVP of Operations and Quality | SSale | −225.8K | $31.32 | −$7.07M | −86.6%35.0K after | 2 lots |
| Nov 3, 2021 (view filing) | Nov 1 | 2 days | Doogue MichaelSVP of Technology and Products | SSale | −28.0K | $30.50 | −$855.3K | −11.0%226.2K after | |
| Nov 4, 2021 (view filing) | Nov 2-3 | 2 days | Vig RaviPresident and CEO | SSale | −90.0K | $31.44 | −$2.83M | −5.6%1.53M after | 2 lots |
| Nov 4, 2021 (view filing) | Nov 2-3 | 2 days | Vig RaviPresident and CEO | SSale | −180.0K | $31.26 | −$5.63M | −38.0%293.1K after | 6 lots |
| Nov 4, 2021 (view filing)5:18 PM ET | Nov 3 | 1 day | Oep Skna, L.P. and 3 others10% Owner | SSale | −8.63M | $30.25 | −$260.9M | −27.6%22.6M after | |
| Nov 10, 2021 (view filing) | Nov 9 | 1 day | Walsh Paul V JrSVP, CFO & Treasurer | SSale | −75.0K | $32.26 | −$2.42M | −7.9%879.9K after | |
| Nov 23, 2021 (view filing) | Nov 19 | 4 days | Walsh Paul V JrSVP, CFO & Treasurer | SSale | −2.35K | $32.59 | −$76.6K | −2.4%95.1K after | |
| Nov 23, 2021 (view filing) | Nov 19 | 4 days | Brown ChristopherSVP and General Counsel | SSale | −2.13K | $32.59 | −$69.5K | −1.4%145.0K after | |
| Nov 23, 2021 (view filing) | Nov 19 | 4 days | Vig RaviPresident and CEO | SSale | −10.5K | $32.59 | −$342.3K | −0.7%1.52M after | |
| Nov 23, 2021 (view filing) | Nov 19 | 4 days | Teebagy Thomas C. Jr.SVP of Operations and Quality | SSale | −2.10K | $32.59 | −$68.5K | −3.2%63.1K after | |
| Nov 23, 2021 (view filing) | Nov 19 | 4 days | Glover Max R.SVP of Worldwide Sales | SSale | −1.75K | $32.59 | −$57.1K | −0.7%240.0K after | |
| Nov 23, 2021 (view filing) | Nov 19 | 4 days | Doogue MichaelSVP of Technology and Products | SSale | −2.31K | $32.59 | −$75.3K | −3.1%72.3K after | |
| Nov 24, 2021 (view filing) | Nov 23 | 1 day | Martin Joseph RDirector | SSale | −13.0K | $30.61 | −$397.9K | −20.1%51.8K after | |
| Nov 24, 2021 (view filing) | Nov 23 | 1 day | Walsh Paul V JrSVP, CFO & Treasurer | SSale | −50.0K | $30.75 | −$1.54M | −5.7%829.9K after | |
| Dec 8, 2021 (view filing) | Dec 7 | 1 day | Walsh Paul V JrSVP, CFO & Treasurer | SSale | −75.0K | $33.92 | −$2.54M | −9.0%754.9K after | |
| Dec 23, 2021 (view filing) | Dec 21 | 2 days | Walsh Paul V JrSVP, CFO & Treasurer | SSale | −50.0K | $33.42 | −$1.67M | −6.8%684.9K after | |
| Dec 28, 2021 (view filing) | Dec 27 | 1 day | Teebagy Thomas C. Jr.SVP of Operations and Quality | SSale | −5.00K | $34.61 | −$173.1K | −100.0%0 after | |
| Mar 21, 2022 (view filing) | Mar 18 | 3 days | Doogue MichaelSVP of Technology and Products | SSale | −7.50K | $29.04 | −$217.8K | −3.3%218.7K after | |
| May 25, 2022 (view filing) | May 23 | 2 days | Martin Joseph RDirector | SSale | −8.28K | $24.17 | −$200.1K | −16.0%43.5K after | |
| Nov 7, 2022 (view filing) | Nov 4 | 3 days | Martin Joseph RDirector | SSale | −16.3K | $25.92 | −$423.8K | −31.5%35.5K after | |
| Nov 15, 2022 (view filing) | Nov 11-14 | 4 days | Doogue MichaelSVP, CTO | SSale | −35.7K | $28.80 | −$1.03M | −16.3%183.0K after | 2 lots |
| Nov 17, 2022 (view filing) | Nov 15 | 2 days | Doogue MichaelSVP, CTO | SSale | −24.3K | $29.25 | −$710.1K | −13.3%158.7K after | |
| Dec 5, 2022 (view filing) | Dec 1 | 4 days | Doogue MichaelSVP, CTO | SSale | −7.50K | $31.00 | −$232.5K | −4.7%151.2K after | |
| Dec 6, 2022 (view filing) | Dec 5 | 1 day | Doogue MichaelSVP, CTO | SSale | −75.0K | $33.13 | −$2.48M | −49.6%76.2K after | |
| Jan 4, 2023 (view filing) | Dec 30, 2022-Jan 3, 2023 | 5 days | Valente JoanneSVP, CHRO | SSale | −7.50K | $30.10 | −$225.7K | −7.1%98.3K after | 2 lots |
| Jan 6, 2023 (view filing) | Jan 4 | 2 days | Valente JoanneSVP, CHRO | SSale | −1.12K | $30.07 | −$33.8K | −1.1%97.2K after |