Sharon Briansky sold $836k of ALGM
SVP, GC and Secretary at ALLEGRO MICROSYSTEMS, INC.. 27,873 shares at an average of $30.00, traded Dec 10, 2025, filed Dec 12, 2025.
Score components
- +15RoleOfficer
- +23Trade size$836k at market
- +5Share of holdings soldSold 19% of holdings
- 0ClusterNo other insider selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
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.
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.
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 0001193125-25-317584, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 10, 2025 | SOpen-market sale Common Stock10b5-1 | -27,873 | $30.00 | $836k | 121,263 | Dec 12, 2025 |
Related signals
Other insiders at ALLEGRO MICROSYSTEMS, INC. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 46Moderate | ALLEGRO MICROSYSTEMS, INC. | Roald Graham Webster VP, Chief Accounting Officer | $271k 8,266 shares | -32% | |
| 52Moderate | ALLEGRO MICROSYSTEMS, INC. | Richard R. Lury director | $223k 7,000 shares | -27% | |
| 39Weak | ALLEGRO MICROSYSTEMS, INC. | Erin Hagen SVP, CHRO | $157k 5,043 shares | -13% | |
| 30Weak | ALGMsell ALLEGRO MICROSYSTEMS, INC. | Richard R. Lury director | $94k 3,100 shares | -13% | |
| 32Weak | ALGMsell ALLEGRO MICROSYSTEMS, INC. | Richard R. Lury director | $189k 6,849 shares | -23% | |
| 40Moderate | ALLEGRO MICROSYSTEMS, INC. | Michael Doogue SVP, CTO | $285k 15,000 shares | +6% | |
| 43Moderate | ALLEGRO MICROSYSTEMS, INC. | Vineet A Nargolwala President and CEO | $99k 5,000 shares | +1% |
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.