InsiderTrades

Form 4 for RBBN Ribbon Communications Inc.

Accepted 2025-06-18 00:00:00 ET · period of report 2025-06-16 · accession 0001062993-25-011900 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2025-06-18 2025-06-17 RBBN GRAYSON BRUNS H Dir M - OptEx — +48.4K 738.4K +7% —
D 2025-06-18 2025-06-17 RBBN GRAYSON BRUNS H Dir M - OptEx $0.00 -48.4K 0 -100% $0
D 2025-06-18 2025-06-16 RBBN GRAYSON BRUNS H Dir A - Grant $0.00 +42.5K 42.5K New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-06-17 M A 48,365 — 738,413 D — — (F1) Each RSU represents a contingent right to receive one share of the Issuer's common stock.
2 Derivative RSUs 2025-06-17 M D 48,365 $0.00 0 D — · — to — 48,365 Common Stock (F1) Each RSU represents a contingent right to receive one share of the Issuer's common stock. (F3) The RSUs were awarded on June 17, 2024 and vested in full on June 17, 2025.
3 Derivative Restricted Stock Units (RSUs) 2025-06-16 A A 42,500 $0.00 42,500 D — · — to — 42,500 Common Stock (F1) Each RSU represents a contingent right to receive one share of the Issuer's common stock. (F2) The RSUs will vest on June 16, 2026, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2026 Annual Meeting of Stockholders (the "2026 Annual Meeting") occurs prior to June 16, 2026, and, at such 2026 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2026 Annual Meeting.