Insider · CIK 0001970184
Roald Graham Webster
Files at ALGM (ALLEGRO MICROSYSTEMS, INC.). First filing Aug 25, 2025, latest May 22, 2026.
Roald Graham Webster files SEC Form 4 as officer at ALGM (ALLEGRO MICROSYSTEMS, INC.). Since Aug 25, 2025, Roald Graham Webster has reported 0 open-market buys worth $0 and 2 open-market sells worth $505k, the latest filed on May 22, 2026.
A track record needs three past buys with six months of prices behind them; Roald Graham Webster has 0, so none is measured yet.
The newest scored trade: sold $234k of ALGM on May 21, 2026, filed May 22, 2026, scored 53 (moderate). In the last 12 months: 0 buys worth $0 and 1 sell worth $234k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
ALGM: ALLEGRO MICROSYSTEMS, INC.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 53Moderate | ALLEGRO MICROSYSTEMS, INC. | $234k 5,217 shares | -28% | +96% from low-13% from high | |
| 46Moderate | ALLEGRO MICROSYSTEMS, INC. | $271k 8,266 shares | -32% | +94% from low-14% from high |
Transactions
Every row this insider has filed, 8 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 21, 2026 | ALGM ALLEGRO MICROSYSTEMS, INC. | SOpen-market sale Common Stock | -5,217 | $44.89 | $234k | 13,106 | May 22, 2026 |
| May 16, 2026 | ALGM ALLEGRO MICROSYSTEMS, INC. | FTax withholding Common Stock | -4,277 | $43.10 | $184k | 18,323 | May 19, 2026 |
| May 13, 2026 | ALGM ALLEGRO MICROSYSTEMS, INC. | AGrant or award Common Stock | +4,756 | $0.00 | $0 | 22,056 | May 15, 2026 |
| May 13, 2026 | ALGM ALLEGRO MICROSYSTEMS, INC. | AGrant or award Common Stock | +544 | $0.00 | $0 | 22,600 | May 15, 2026 |
| Aug 22, 2025 | ALGM ALLEGRO MICROSYSTEMS, INC. | SOpen-market sale Common Stock | -8,266 | $32.81 | $271k | 17,300 | Aug 25, 2025 |
| May 15, 2025 | ALGM ALLEGRO MICROSYSTEMS, INC. | AGrant or award Common Stock | +9,765 | $0.00 | $0 | 30,514 | May 19, 2025 |
| May 16, 2025 | ALGM ALLEGRO MICROSYSTEMS, INC. | FTax withholding Common Stock | -4,948 | $27.51 | $136k | 25,566 | May 19, 2025 |
| May 13, 2025 | ALGM ALLEGRO MICROSYSTEMS, INC. | AGrant or award Common Stock | +1,002 | $0.00 | $0 | 20,749 | May 14, 2025 |
Questions about Roald Graham Webster
Answered from the filings on this page, as of the latest one.
Is Roald Graham Webster buying or selling?
In the last 12 months Roald Graham Webster reported 0 open-market buys worth $0 and 1 open-market sell worth $234k on SEC Form 4; the latest was sold $234k of ALGM on May 21, 2026. Grants, option exercises and tax withholding are not counted.
How did Roald Graham Webster's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Roald Graham Webster has 0.
Where does Roald Graham Webster file Form 4?
Roald Graham Webster has filed Form 4 at ALGM (ALLEGRO MICROSYSTEMS, INC.) as VP, Chief Accounting Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
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.