Who
Roald Graham Webster
VP, Chief Accounting Officer
Company insider
Files Form 4 as: VP, Chief Accounting Officer, Allegro MicroSystems.
In numbers
- Trades disclosed
- 18
- Buys
- 0
- Sells
- 2
- Bought
- $0
- Sold
- $740K
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 15 May 2023
- Last trade
- 21 May 2026
- Last filed
- 22 May 2026
Companies traded
Activity over time
1 Aug 2025 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 21 May 2026filed 22 May 2026 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Sold | $234K5,217 at $44.89 | filing |
| 21 May 2026filed 22 May 2026 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Sold | $234K5,217 at $44.89 | filing |
| 16 May 2026filed 19 May 2026 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code F | $184K4,277 at $43.10 | filing |
| 16 May 2026filed 19 May 2026 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code F | $184K4,277 at $43.10 | filing |
| 13 May 2026filed 15 May 2026 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —4,756 at $0.00 | filing |
| 13 May 2026filed 15 May 2026 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —544 at $0.00 | filing |
| 13 May 2026filed 15 May 2026 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —4,756 at $0.00 | filing |
| 13 May 2026filed 15 May 2026 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —544 at $0.00 | filing |
| 22 Aug 2025filed 25 Aug 2025 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Sold | $271K8,266 at $32.81 | filing |
| 16 May 2025filed 19 May 2025 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code F | $136K4,948 at $27.51 | filing |
| 15 May 2025filed 19 May 2025 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —9,765 at $0.00 | filing |
| 13 May 2025filed 14 May 2025 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —1,002 at $0.00 | filing |
| 11 Jun 2024filed 13 Jun 2024 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —5,520 at $0.00 | filing |
| 16 May 2024filed 17 May 2024 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code F | $93K3,113 at $29.75 | filing |
| 15 May 2024filed 17 May 2024 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —787 at $0.00 | filing |
| 15 May 2024filed 17 May 2024 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —5,017 at $0.00 | filing |
| 15 May 2023filed 17 May 2023 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —3,626 at $0.00 | filing |
| 15 May 2023filed 17 May 2023 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —7,910 at $0.00 | filing |
News
Allegro MicroSystems, Inc. (ALGM) – What Are Analysts Saying About This Stock?ALGM · dailypolitical.com · 10 Oct 2026
0 headlines in the last 90 days name Roald Graham Webster; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.