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sellModerate cluster of 6

Sharon Briansky sold $425k of ALGM

SVP, GC and Secretary at ALLEGRO MICROSYSTEMS, INC.. 8,948 shares at an average of $47.54, traded May 11, 2026, filed May 13, 2026.

Warning score
52
Value
$425k
8,948 shares
Holdings after
75,232
-11% from before
From 52-week low
+112%
low $22.80, close $48.39
From 52-week high
-6%
high $51.37, as of May 11, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $425k at market
    +17
  • Share of holdings sold
    Sold 11% of holdings
    +5
  • Cluster
    6 insiders selling within 14 days
    +15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +9.6%, 3m -7.6%, 6m -.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

ALGMOct 13, 2026 · close 33.65
Since filing May 13, 2026: -26.8%SPY +5.3% · excess -32.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001193125-26-221670, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 11, 2026SOpen-market sale
Common Stock
-8,948$47.54$425k75,232May 13, 2026

Related signals

Other insiders at ALLEGRO MICROSYSTEMS, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
9Weak
ALGMsell 210b5-1
ALLEGRO MICROSYSTEMS, INC.
Jennie Raubacher
director
$45k
1,000 shares
-7%
13Weak
ALGMsell 210b5-1
ALLEGRO MICROSYSTEMS, INC.
Erin Hagen
SVP, CHRO
$101k
2,285 shares
-7%
43Moderate
ALGMsell 3
ALLEGRO MICROSYSTEMS, INC.
Richard Madormo
SVP, Worldwide Sales
$264k
5,000 shares
-7%
42Moderate
ALGMsell 7
ALLEGRO MICROSYSTEMS, INC.
Troy Coleman
SVP, General Manager, Products
$206k
4,500 shares
-5%
53Moderate
ALGMsell 7
ALLEGRO MICROSYSTEMS, INC.
Roald Graham Webster
VP, Chief Accounting Officer
$234k
5,217 shares
-28%
40Moderate
ALGMsell 6
ALLEGRO MICROSYSTEMS, INC.
Ian Kent
SVP, Global Operations
$110k
2,642 shares
-9%
72Notable
ALGMsell 6
ALLEGRO MICROSYSTEMS, INC.
Susan D Lynch
director
$760k
16,711 shares
-57%
70Notable
ALGMsell 6
ALLEGRO MICROSYSTEMS, INC.
Michael Doogue
President and CEO
$1.4M
30,089 shares
-11%
32Weak
ALGMsell 2
ALLEGRO MICROSYSTEMS, INC.
Erin Hagen
SVP, CHRO
$91k
2,598 shares
-8%
23Weak
ALGMsell 210b5-1
ALLEGRO MICROSYSTEMS, INC.
Sharon Briansky
SVP, GC and Secretary
$340k
9,727 shares
-10%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.