Webster Roald Graham — SEC Form 4 filings
SEC reporting owner CIK 1970184. 8 Form 4 filings on record with FilingPulse; latest filed 2026-05-22.
Transaction summary — filings shown
Covers all 8 filings on record, filed 2024-05-17 to 2026-05-22. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 2 legs across 2 filings — 13,483 shares, $505,358 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 10.
- Largest priced transaction: sale of 8,266 shares @ $32.81 ($271,193) in ALLEGRO MICROSYSTEMS, INC., filed 2025-08-25.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| ALLEGRO MICROSYSTEMS, INC. (ALGM) | VP, Chief Accounting Officer | 8 | — | 2 legs · 13,483 sh · $505,358 | 10 |
Form 4 filings — Webster Roald Graham
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-05-22 | 4 | ALLEGRO MICROSYSTEMS, INC. (ALGM) | Sale (S): 5,217 @ $44.88 | EDGAR |
| 2026-05-19 | 4 | ALLEGRO MICROSYSTEMS, INC. (ALGM) | Tax withholding (F): 4,277 @ $43.10 | EDGAR |
| 2026-05-15 | 4 | ALLEGRO MICROSYSTEMS, INC. (ALGM) | Grant/award (A): 4,756 @ $0 · Grant/award (A): 544 @ $0 | EDGAR |
| 2025-08-25 | 4 | ALLEGRO MICROSYSTEMS, INC. (ALGM) | Sale (S): 8,266 @ $32.81 | EDGAR |
| 2025-05-19 | 4 | ALLEGRO MICROSYSTEMS, INC. (ALGM) | Grant/award (A): 9,765 @ $0 · Tax withholding (F): 4,948 @ $27.51 | EDGAR |
| 2025-05-14 | 4 | ALLEGRO MICROSYSTEMS, INC. (ALGM) | Grant/award (A): 1,002 @ $0 | EDGAR |
| 2024-06-13 | 4 | ALLEGRO MICROSYSTEMS, INC. (ALGM) | Grant/award (A): 5,520 @ $0 | EDGAR |
| 2024-05-17 | 4 | ALLEGRO MICROSYSTEMS, INC. (ALGM) | Grant/award (A): 787 @ $0 · Grant/award (A): 5,017 @ $0 · Tax withholding (F): 3,113 @ $29.75 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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