Marmurek Eric S — SEC Form 4 filings
SEC reporting owner CIK 1720721. 14 Form 4 filings on record with FilingPulse; latest filed 2026-06-17.
Transaction summary — filings shown
Covers all 14 filings on record, filed 2024-01-19 to 2026-06-17. 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): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 69.
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 |
|---|---|---|---|---|---|
| Ribbon Communications Inc. (RBBN) | EVP, Chief Financial Officer | 14 | — | — | 69 |
Form 4 filings — Marmurek Eric S
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-17 | 4 | Ribbon Communications Inc. (RBBN) | Grant/award (A): 150,000 (derivative) @ $0 · Grant/award (A): 90,000 (derivative) @ $0 · Grant/award (A): 60,000 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | Ribbon Communications Inc. (RBBN) | Option exercise (M): 48,328 · Tax withholding (F): 19,107 @ $2.71 · Option exercise (M): 25,651 · Tax withholding (F): 10,092 @ $2.71 · Option exercise (M): 23,146 · Tax withholding (F): 9,107 @ $2.63 · +9 more | EDGAR |
| 2026-04-17 | 4 | Ribbon Communications Inc. (RBBN) | Option exercise (M): 37,500 · Tax withholding (F): 14,756 @ $2.48 · Option exercise (M): 37,500 (derivative) @ $0 | EDGAR |
| 2025-12-16 | 4 | Ribbon Communications Inc. (RBBN) | Grant/award (A): 169,721 (derivative) @ $0 | EDGAR |
| 2025-10-17 | 4 | Ribbon Communications Inc. (RBBN) | Option exercise (M): 75,000 · Tax withholding (F): 29,512 @ $3.81 · Option exercise (M): 75,000 (derivative) @ $0 | EDGAR |
| 2025-05-19 | 4 | Ribbon Communications Inc. (RBBN) | Option exercise (M): 31,645 · Tax withholding (F): 12,452 @ $3.62 · Grant/award (A): 78,125 (derivative) @ $0 · Grant/award (A): 63,291 (derivative) @ $0 · Grant/award (A): 46,875 (derivative) @ $0 · Grant/award (A): 31,250 (derivative) @ $0 · +2 more | EDGAR |
| 2025-04-22 | 4 | Ribbon Communications Inc. (RBBN) | Option exercise (M): 23,234 · Tax withholding (F): 9,142 @ $3.53 · Option exercise (M): 13,354 · Tax withholding (F): 5,254 @ $3.58 · Option exercise (M): 23,234 (derivative) @ $0 · Option exercise (M): 13,354 (derivative) @ $0 | EDGAR |
| 2025-03-18 | 4 | Ribbon Communications Inc. (RBBN) | Option exercise (M): 16,399 · Tax withholding (F): 7,321 @ $3.95 · Option exercise (M): 32,154 · Tax withholding (F): 12,932 @ $3.95 · Option exercise (M): 16,399 (derivative) @ $0 · Option exercise (M): 32,154 (derivative) @ $0 | EDGAR |
| 2024-10-21 | 4 | Ribbon Communications Inc. (RBBN) | Option exercise (M): 23,234 · Tax withholding (F): 9,142 @ $3.38 · Option exercise (M): 13,355 · Tax withholding (F): 5,255 @ $3.56 · Option exercise (M): 23,234 (derivative) @ $0 · Option exercise (M): 13,355 (derivative) @ $0 | EDGAR |
| 2024-10-17 | 4 | Ribbon Communications Inc. (RBBN) | Grant/award (A): 150,000 (derivative) @ $0 | EDGAR |
| 2024-05-17 | 4 | Ribbon Communications Inc. (RBBN) | Grant/award (A): 31,645 (derivative) @ $0 · Grant/award (A): 43,670 (derivative) @ $0 · Grant/award (A): 29,114 (derivative) @ $0 | EDGAR |
| 2024-04-19 | 4 | Ribbon Communications Inc. (RBBN) | Option exercise (M): 46,469 · Tax withholding (F): 17,069 @ $2.61 · Option exercise (M): 13,354 · Tax withholding (F): 4,895 @ $2.57 · Option exercise (M): 46,469 (derivative) @ $0 · Option exercise (M): 13,354 (derivative) @ $0 | EDGAR |
| 2024-03-18 | 4 | Ribbon Communications Inc. (RBBN) | Option exercise (M): 4,116 · Option exercise (M): 1,581 · Tax withholding (F): 1,554 @ $2.83 · Option exercise (M): 4,116 (derivative) @ $0 · Option exercise (M): 1,581 (derivative) @ $0 | EDGAR |
| 2024-01-19 | 4 | Ribbon Communications Inc. (RBBN) | Option exercise (M): 15,000 @ $0 · Tax withholding (F): 4,447 @ $2.84 · Option exercise (M): 15,000 (derivative) @ $0 | 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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