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ALGM ALLEGRO MICROSYSTEMS, INC. Insider Trading

Latest: President and CEO Sold $1.4M of Shares · May 2026

Multiple insiders have been active at ALLEGRO MICROSYSTEMS, INC. (ALGM): 3 distinct insiders account for 2 buy filings and 3 sell filings as of May 2026. Its highest-significance filing in the last 90 days: President and CEO Doogue Michael sold $1.4M, transaction dated May 2026.

5 filings analyzed · Latest 2026-05-13

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Buys
2
Sells
3
Insiders
3
Direction
Net selling

ALLEGRO MICROSYSTEMS, INC. leadership

CEO
Michael C. Doogue — Chief Executive Officer
CFO
Derek P. D’Antilio — Chief Financial Officer
General Counsel
Sharon S. Briansky — Senior Vice President, General Counsel and Secretary
Chair
Joseph R. Martin — Chairman of the Board of Directors

Historically, stocks have lagged the S&P 500 by a median ~3% over the 90 days after a medium insider sell (n ≈ 4,738, 2024-2026). Past results don't predict the future. How we measure this ↗

May 2026
2026-05-13
medium
President and CEO
30,089 shares
$1,421,251
@ $47.23
Significance 5

ALGM CEO Michael Doogue sells $1.42M in shares, first open-market sale after prior purchase that proved well-timed.

Michael Doogue, President and CEO of Allegro Microsystems, sold approximately one-tenth of his stake in a single transaction worth $1.42M. The stock is trading roughly 10% below its 52-week high after gaining significantly over the past month, putting the sale in a context of recent strength. Doogue's track record at this company shows disciplined timing—his prior open-market purchase resulted in the stock climbing notably in the following months—but this sale represents his first open-market exit in the 36-month window, shifting from accumulation to disposition. The company is unprofitable on an annual basis with significant revenue declines, though the most recent quarter showed a return to profitability and modest sequential growth, suggesting the turnaround narrative may be stabilizing. This sale by the CEO during a period of operational recovery and after proven ability to time purchases well warrants watching the near-term stock action and earnings trajectory.

November 2024
2024-11-19
medium
SVP, CTO
15,000 shares
$285,000
@ $19.00
Significance 5

SVP/CTO Michael Doogue buys 15,000 shares of ALLEGRO at $19.00; stock down 41.2% from 52-week high amid net losses.

Michael Doogue, SVP and CTO, purchased 15,000 shares at $19.00 on 2024-11-18, increasing his holdings by 6.5% to 246,086 shares. This acquisition occurs in a challenging financial backdrop: the company reported a net loss of $33,675,000.00 in the latest quarter while generating revenue of $187,391,000.00, and the stock has declined 41.2% from its 52-week high of $33.15. The current price of $19.49 sits at the low end of the 52-week range, with the stock down 22.8% over the past 90 days. While the purchase demonstrates continued personal investment by a senior technical officer, it occurs against material operational headwinds and significant recent price deterioration, warranting investor attention to the company's path to profitability.

2024-11-06
medium
President and CEO
5,000 shares
$99,446
@ $19.89
Significance 5

Allegro CEO Nargolwala purchases 5,000 shares for $99,446.00 at $19.89 avg; stock -33.6% from 52-week high on $-33.7M net loss.

Nargolwala Vineet A, President and CEO, executed 2 separate purchases totaling 5,000 shares for $99,446.00 on 2024-11-05, increasing his holdings to 356,113 shares (+1.4% vs pre-transaction). The blended average purchase price of $19.89 represents a 9.7% discount to the current price of $22.01, and the stock is trading -33.6% from its 52-week high of $33.15. However, the company's latest quarter shows net income of $-33,675,000.00, indicating operational losses that offset a modest 7.8% annual revenue growth. His prior buy at ALGM on 2023-11-17 posted a +12.2% 90-day return, demonstrating one well-timed entry at this ticker; his 2023-08-16 purchase resulted in a -28.6% 90-day loss. The cross-ticker track record shows a mixed pattern: 2 prior buys with an average 90-day return of -8.2% and a 50% win rate, suggesting modest predictive power. This purchase occurs as the stock recovers +4.6% over 30 days from a depressed valuation near the 52-week low, while underlying profitability remains challenged.

August 2024
2024-08-09
high
10,017,315 shares
$232,001,015
@ $23.16
Significance 6

Sanken Electric (10% owner) sold 10,017,315 shares of ALGM for $232.0M on 2024-08-07; stock now at $22.82, down 45.7% from 52-week high.

Sanken Electric, a 10% owner of Allegro Microsystems, executed a substantial open-market sale of 10,017,315 shares (59.73M shares remaining post-transaction) on 2024-08-07 at $23.16 per share for $232,001,015.40. The timing context is notable: ALGM has declined 28.8% over the past 30 days and 45.7% from its 52-week high of $42.04, and the company is currently unprofitable with net income of $-17,675,000.00 against quarterly revenue of $166,919,000.00. This sale follows another Sanken sell at the same ticker on 2024-07-29, suggesting a deliberate reduction in holdings. The insider's cross-ticker track record shows only 1 prior sell across all tickers, so this concentrated selling activity at ALGM represents a shift in portfolio action for this investor.

July 2024
2024-07-31
high
28,750,000 shares
$665,850,000
@ $23.16
Significance 7

Sanken Electric Co., Ltd. divests 28,750,000 shares of ALGM for $665,850,000, reducing stake from 98.5M to 69.75M shares

Sanken Electric, a 10% shareholder of Allegro Microsystems, executed a substantial sale of 28,750,000 shares at $23.16 per share on 2024-07-29, representing a -29.2% reduction in its holdings. The transaction occurred when ALGM is trading at $24.04, down -13.9% over 30 days and -18.8% over 90 days from the trade date, with the stock currently -53.4% from its 52-week high of $51.61. The magnitude of this divestiture—a major institutional shareholder liquidating approximately 29% of its position for $665.8M—warrants investor scrutiny given the depressed price action and the company's valuation metrics (P/E 30.43, market cap $4.7B). At current trading levels, the sold shares would be worth materially less than the transaction proceeds, suggesting this sale executed at a relatively favorable price point amid the stock's recent decline.

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