Stamm John Richard — SEC Form 4 filings
SEC reporting owner CIK 1818885. 8 Form 4 filings on record with FilingPulse; latest filed 2026-06-12.
Transaction summary — filings shown
Covers all 8 filings on record, filed 2024-03-07 to 2026-06-12. 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): 6 legs across 5 filings — 38,815 shares, $1,469,660 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 10.
- Largest priced transaction: sale of 16,000 shares @ $35.95 ($575,179) in Vertex, Inc., filed 2024-08-26.
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 |
|---|---|---|---|---|---|
| Vertex, Inc. (VERX) | Director | 8 | — | 6 legs · 38,815 sh · $1,469,660 | 10 |
Form 4 filings — Stamm John Richard
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-12 | 4 | Vertex, Inc. (VERX) | Grant/award (A): 15,638 @ $0 | EDGAR |
| 2025-06-13 | 4 | Vertex, Inc. (VERX) | Grant/award (A): 5,327 @ $0 | EDGAR |
| 2024-12-10 | 4 | Vertex, Inc. (VERX) | Sale (S): 3,815 @ $56.11 | EDGAR |
| 2024-11-27 | 4 | Vertex, Inc. (VERX) | Gift (G): 1,100 @ $0 · Option exercise (M): 2,500 @ $3.73 · Sale (S): 2,500 @ $53.81 · Option exercise (M): 2,500 (derivative) @ $0 | EDGAR |
| 2024-09-16 | 4 | Vertex, Inc. (VERX) | Sale (S): 5,000 @ $35.41 · Option exercise (M): 5,000 @ $3.73 · Sale (S): 5,000 @ $35.44 · Option exercise (M): 5,000 (derivative) @ $0 | EDGAR |
| 2024-08-26 | 4 | Vertex, Inc. (VERX) | Option exercise (M): 16,000 @ $3.73 · Sale (S): 16,000 @ $35.95 · Option exercise (M): 16,000 (derivative) @ $0 | EDGAR |
| 2024-06-14 | 4 | Vertex, Inc. (VERX) | Grant/award (A): 5,705 @ $0 | EDGAR |
| 2024-03-07 | 4 | Vertex, Inc. (VERX) | Sale (S): 6,500 @ $29.48 | 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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