EWING R STEWART JR 4

What Happened

• Ewing R. Stewart Jr., a director of Ribbon Communications (RBBN), was granted 63,197 restricted stock units (RSUs) on June 15, 2026 (recorded at $0.00). On June 16, 2026, 42,500 RSUs from a prior award vested, were converted/exercised into shares and those 42,500 shares were immediately disposed per the Form 4 filing. No cash amounts or market values are reported for these transactions.

Key Details

• Transactions:
  • 2026-06-15: Grant of 63,197 RSUs (Code A) at $0.00 (award).
  • 2026-06-16: Conversion/exercise of derivative (Code M) for 42,500 shares (acquired), and 42,500 shares disposed (both reported at $0.00).
• Shares owned after the transactions: not disclosed in the filing.
• Footnotes from the filing:
  • F1: Each RSU represents a contingent right to receive one share of common stock.
  • F2: The 63,197 RSUs have vesting conditions (generally vest June 15, 2027, subject to continued service; accelerated vesting if certain board/reelection conditions occur).
  • F3: The 42,500 RSUs that converted/vested were from an award made June 16, 2025 that vested in full on June 16, 2026.
• Filing timeliness: Form 4 was filed June 17, 2026; this appears to be timely (within the usual two-business-day reporting window).

Context

• RSUs are derivative awards that convert into actual shares upon vesting. The conversion and immediate disposal of vested RSUs is commonly done to satisfy tax-withholding obligations or to net-settle awards; such disposals are routine and do not necessarily indicate the director’s market view. No cash purchase (bullish) transaction was reported.