ALGM
Allegro MicroSystems, Inc.$41.68-1.80 (-4.14%)Prev Close$43.47·MCap$7.83B·P/E—·Vol1.33M·Yield—
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
15
$5.93M
◆
Net Activity
Net Seller
$5.93M
●
Active Insiders
6
last 12 mo
Over the past 12 months, insider activity at Allegro MicroSystems, Inc. (ALGM) has been exclusively selling, with 0 insider purchases totaling $0.00 and 15 insider sales totaling $5.93M. The most recent insider transaction was by Briansky Sharon (officer: SVP, GC and Secretary), who sold $340.4K worth of shares on Mar 3, 2026. Allegro MicroSystems, Inc. operates in the Technology sector, within the Semiconductors industry, with a market cap of $7.83B.
ALGM Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 3, 2026 | Briansky Sharon | officer: SVP, GC and Secretary | Sell | 9,727 | $35.00 | $340.4K | 84,180 |
| Mar 3, 2026 | Hagen Erin | officer: SVP, CHRO | Sell | 2,598 | $35.00 | $90.9K | 30,094 |
| Feb 13, 2026 | Briansky Sharon | SVP, GC and Secretary | Sell | 18,249 | $41.96 | $765.8K | 0 |
| Feb 13, 2026 | D'Antilio Derek | EVP, CFO & Treasurer | Sell | 17,808 | $42.38 | $754.7K | 0 |
| Dec 10, 2025 | Briansky Sharon | SVP, GC and Secretary | Sell | 27,873 | $30.00 | $836.2K | 0 |
| Aug 22, 2025 | Webster Roald Graham | VP, Chief Accounting Officer | Sell | 8,266 | $32.81 | $271.2K | 0 |
| Aug 12, 2025 | Lury Richard R. | Director | Sell | 7,000 | $31.81 | $222.7K | 0 |
| Aug 4, 2025 | Hagen Erin | SVP, CHRO | Sell | 5,043 | $31.18 | $157.2K | 0 |
| Jun 11, 2025 | Lury Richard R. | Director | Sell | 3,100 | $30.45 | $94.4K | 0 |
| Jun 4, 2025 | Lury Richard R. | Director | Sell | 6,849 | $27.60 | $189.0K | 0 |
| May 15, 2025 | Briansky Sharon | SVP, GC and Secretary | Sell | 18,712 | $27.51 | $514.8K | 0 |
| May 15, 2025 | D'Antilio Derek | EVP, CFO & Treasurer | Sell | 29,911 | $27.51 | $822.9K | 0 |
| May 15, 2025 | Doogue Michael | President and CEO | Sell | 21,730 | $27.51 | $597.8K | 0 |
| May 15, 2025 | Hagen Erin | SVP, CHRO | Sell | 4,899 | $27.51 | $134.8K | 0 |
| May 15, 2025 | Webster Roald Graham | VP, Chief Accounting Officer | Sell | 4,948 | $27.51 | $136.1K | 0 |
| Nov 18, 2024 | Doogue Michael | SVP, CTO | Buy | 15,000 | $19.00 | $285.0K | 0 |
| Nov 18, 2024 | Doogue Michael | SVP, CTO | Sell | 2,319 | $19.24 | $44.6K | 0 |
| Nov 18, 2024 | Glover Max R. | SVP of Worldwide Sales | Sell | 2,644 | $19.24 | $50.9K | 0 |
| Nov 5, 2024 | Nargolwala Vineet A | President and CEO | Buy | 5,000 | $19.89 | $99.4K | 0 |
| Aug 30, 2024 | Narayan Suman | SVP, Products | Sell | 714 | $24.53 | $17.5K | 0 |
| Aug 1, 2024 | Nargolwala Vineet A | President and CEO | Sell | 7,681 | $24.17 | $185.7K | 0 |
| Jun 13, 2024 | Nargolwala Vineet A | President and CEO | Sell | 36,066 | $29.12 | $1.05M | 0 |
| Jun 3, 2024 | Briansky Sharon | SVP, GC and Secretary | Sell | 1,929 | $29.27 | $56.5K | 0 |
| Jun 3, 2024 | Narayan Suman | SVP, Products | Sell | 1,570 | $29.27 | $46.0K | 0 |
| May 30, 2024 | Lury Richard R. | Director | Sell | 8,500 | $30.00 | $255.0K | 0 |
| May 15, 2024 | Briansky Sharon | SVP, GC and Secretary | Sell | 7,773 | $29.75 | $231.2K | 0 |
| May 15, 2024 | D'Antilio Derek | SVP, CFO & Treasurer | Sell | 12,494 | $29.75 | $371.7K | 0 |
| May 15, 2024 | Doogue Michael | SVP, CTO | Sell | 19,110 | $29.75 | $568.5K | 0 |
| May 15, 2024 | Glover Max R. | SVP of Worldwide Sales | Sell | 26,540 | $29.75 | $789.6K | 0 |
| May 15, 2024 | Narayan Suman | SVP, Products | Sell | 10,816 | $29.75 | $321.8K | 0 |
| May 15, 2024 | Nargolwala Vineet A | President and CEO | Sell | 24,160 | $29.75 | $718.8K | 0 |
| May 15, 2024 | Webster Roald Graham | SVP, CAO | Sell | 3,113 | $29.75 | $92.6K | 0 |
| Mar 8, 2024 | Glover Max R. | SVP of Worldwide Sales | Sell | 15,000 | $31.77 | $476.5K | 0 |
| Feb 13, 2024 | Briansky Sharon | SVP, GC and Secretary | Sell | 5,469 | $30.34 | $165.9K | 0 |
| Feb 13, 2024 | D'Antilio Derek | SVP, CFO & Treasurer | Sell | 10,725 | $30.34 | $325.4K | 0 |
| Nov 17, 2023 | Doogue Michael | SVP, CTO | Sell | 45,606 | $28.04 | $1.28M | 0 |
| Nov 17, 2023 | Glover Max R. | SVP of Worldwide Sales | Sell | 78,410 | $28.04 | $2.20M | 0 |
| Nov 17, 2023 | Nargolwala Vineet A | President and CEO | Buy | 1,000 | $27.84 | $27.8K | 0 |
| Nov 17, 2023 | Valente Joanne | SVP, CHRO | Sell | 15,284 | $28.04 | $428.6K | 0 |
| Nov 14, 2023 | Lynch Susan D | Director | Buy | 350 | $27.37 | $9.6K | 0 |
| Sep 15, 2023 | D'Antilio Derek | SVP, CFO & Treasurer | Buy | 1,488 | $33.63 | $50.0K | 0 |
| Sep 1, 2023 | Narayan Suman | SVP, Products | Sell | 714 | $38.39 | $27.4K | 0 |
| Aug 23, 2023 | MARTIN JOSEPH R | Director | Sell | 17,000 | $38.73 | $658.4K | 0 |
| Aug 16, 2023 | Nargolwala Vineet A | President and CEO | Buy | 5,000 | $38.67 | $193.3K | 0 |
| Aug 1, 2023 | Nargolwala Vineet A | President and CEO | Sell | 7,681 | $45.24 | $347.5K | 0 |
| Jun 13, 2023 | Nargolwala Vineet A | President and CEO | Sell | 54,098 | $40.76 | $2.21M | 0 |
| Jun 3, 2023 | Briansky Sharon | SVP, GC and Secretary | Sell | 5,784 | $39.48 | $228.4K | 0 |
| Jun 3, 2023 | Doogue Michael | SVP, CTO | Sell | 4,315 | $39.48 | $170.4K | 0 |
| Jun 3, 2023 | Glover Max R. | SVP of Worldwide Sales | Sell | 4,918 | $39.48 | $194.2K | 0 |
| Jun 3, 2023 | Narayan Suman | SVP, Products | Sell | 4,707 | $39.48 | $185.8K | 0 |
Showing 1–50 of 130
1 / 3
ALGM Insider Buying Activity
The following table shows recent insider purchases of Allegro MicroSystems, Inc. (ALGM) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Nov 18, 2024 | Doogue Michael | SVP, CTO | Buy | 15,000 | $19.00 | $285.0K | 0 |
| Nov 5, 2024 | Nargolwala Vineet A | President and CEO | Buy | 5,000 | $19.89 | $99.4K | 0 |
| Nov 17, 2023 | Nargolwala Vineet A | President and CEO | Buy | 1,000 | $27.84 | $27.8K | 0 |
| Nov 14, 2023 | Lynch Susan D | Director | Buy | 350 | $27.37 | $9.6K | 0 |
| Sep 15, 2023 | D'Antilio Derek | SVP, CFO & Treasurer | Buy | 1,488 | $33.63 | $50.0K | 0 |
| Aug 16, 2023 | Nargolwala Vineet A | President and CEO | Buy | 5,000 | $38.67 | $193.3K | 0 |
ALGM Insider Selling Activity
The following table shows recent insider sales of Allegro MicroSystems, Inc. (ALGM) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 3, 2026 | Briansky Sharon | officer: SVP, GC and Secretary | Sell | 9,727 | $35.00 | $340.4K | 84,180 |
| Mar 3, 2026 | Hagen Erin | officer: SVP, CHRO | Sell | 2,598 | $35.00 | $90.9K | 30,094 |
| Feb 13, 2026 | Briansky Sharon | SVP, GC and Secretary | Sell | 18,249 | $41.96 | $765.8K | 0 |
| Feb 13, 2026 | D'Antilio Derek | EVP, CFO & Treasurer | Sell | 17,808 | $42.38 | $754.7K | 0 |
| Dec 10, 2025 | Briansky Sharon | SVP, GC and Secretary | Sell | 27,873 | $30.00 | $836.2K | 0 |
| Aug 22, 2025 | Webster Roald Graham | VP, Chief Accounting Officer | Sell | 8,266 | $32.81 | $271.2K | 0 |
| Aug 12, 2025 | Lury Richard R. | Director | Sell | 7,000 | $31.81 | $222.7K | 0 |
| Aug 4, 2025 | Hagen Erin | SVP, CHRO | Sell | 5,043 | $31.18 | $157.2K | 0 |
| Jun 11, 2025 | Lury Richard R. | Director | Sell | 3,100 | $30.45 | $94.4K | 0 |
| Jun 4, 2025 | Lury Richard R. | Director | Sell | 6,849 | $27.60 | $189.0K | 0 |
| May 15, 2025 | Briansky Sharon | SVP, GC and Secretary | Sell | 18,712 | $27.51 | $514.8K | 0 |
| May 15, 2025 | D'Antilio Derek | EVP, CFO & Treasurer | Sell | 29,911 | $27.51 | $822.9K | 0 |
| May 15, 2025 | Doogue Michael | President and CEO | Sell | 21,730 | $27.51 | $597.8K | 0 |
| May 15, 2025 | Hagen Erin | SVP, CHRO | Sell | 4,899 | $27.51 | $134.8K | 0 |
| May 15, 2025 | Webster Roald Graham | VP, Chief Accounting Officer | Sell | 4,948 | $27.51 | $136.1K | 0 |
| Nov 18, 2024 | Doogue Michael | SVP, CTO | Sell | 2,319 | $19.24 | $44.6K | 0 |
| Nov 18, 2024 | Glover Max R. | SVP of Worldwide Sales | Sell | 2,644 | $19.24 | $50.9K | 0 |
| Aug 30, 2024 | Narayan Suman | SVP, Products | Sell | 714 | $24.53 | $17.5K | 0 |
| Aug 1, 2024 | Nargolwala Vineet A | President and CEO | Sell | 7,681 | $24.17 | $185.7K | 0 |
| Jun 13, 2024 | Nargolwala Vineet A | President and CEO | Sell | 36,066 | $29.12 | $1.05M | 0 |
| Jun 3, 2024 | Briansky Sharon | SVP, GC and Secretary | Sell | 1,929 | $29.27 | $56.5K | 0 |
| Jun 3, 2024 | Narayan Suman | SVP, Products | Sell | 1,570 | $29.27 | $46.0K | 0 |
| May 30, 2024 | Lury Richard R. | Director | Sell | 8,500 | $30.00 | $255.0K | 0 |
| May 15, 2024 | Briansky Sharon | SVP, GC and Secretary | Sell | 7,773 | $29.75 | $231.2K | 0 |
| May 15, 2024 | D'Antilio Derek | SVP, CFO & Treasurer | Sell | 12,494 | $29.75 | $371.7K | 0 |
| May 15, 2024 | Doogue Michael | SVP, CTO | Sell | 19,110 | $29.75 | $568.5K | 0 |
| May 15, 2024 | Glover Max R. | SVP of Worldwide Sales | Sell | 26,540 | $29.75 | $789.6K | 0 |
| May 15, 2024 | Narayan Suman | SVP, Products | Sell | 10,816 | $29.75 | $321.8K | 0 |
| May 15, 2024 | Nargolwala Vineet A | President and CEO | Sell | 24,160 | $29.75 | $718.8K | 0 |
| May 15, 2024 | Webster Roald Graham | SVP, CAO | Sell | 3,113 | $29.75 | $92.6K | 0 |
| Mar 8, 2024 | Glover Max R. | SVP of Worldwide Sales | Sell | 15,000 | $31.77 | $476.5K | 0 |
| Feb 13, 2024 | Briansky Sharon | SVP, GC and Secretary | Sell | 5,469 | $30.34 | $165.9K | 0 |
| Feb 13, 2024 | D'Antilio Derek | SVP, CFO & Treasurer | Sell | 10,725 | $30.34 | $325.4K | 0 |
| Nov 17, 2023 | Doogue Michael | SVP, CTO | Sell | 45,606 | $28.04 | $1.28M | 0 |
| Nov 17, 2023 | Glover Max R. | SVP of Worldwide Sales | Sell | 78,410 | $28.04 | $2.20M | 0 |
| Nov 17, 2023 | Valente Joanne | SVP, CHRO | Sell | 15,284 | $28.04 | $428.6K | 0 |
| Sep 1, 2023 | Narayan Suman | SVP, Products | Sell | 714 | $38.39 | $27.4K | 0 |
| Aug 23, 2023 | MARTIN JOSEPH R | Director | Sell | 17,000 | $38.73 | $658.4K | 0 |
| Aug 1, 2023 | Nargolwala Vineet A | President and CEO | Sell | 7,681 | $45.24 | $347.5K | 0 |
| Jun 13, 2023 | Nargolwala Vineet A | President and CEO | Sell | 54,098 | $40.76 | $2.21M | 0 |
| Jun 3, 2023 | Briansky Sharon | SVP, GC and Secretary | Sell | 5,784 | $39.48 | $228.4K | 0 |
| Jun 3, 2023 | Doogue Michael | SVP, CTO | Sell | 4,315 | $39.48 | $170.4K | 0 |
| Jun 3, 2023 | Glover Max R. | SVP of Worldwide Sales | Sell | 4,918 | $39.48 | $194.2K | 0 |
| Jun 3, 2023 | Narayan Suman | SVP, Products | Sell | 4,707 | $39.48 | $185.8K | 0 |
ALGM Insiders
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