R. Stewart Ewing Jr.

CIK: 0001202822

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)3 (60.0%)

Derivative conversions

Awards (A)2 (40.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

RBBN

Ribbon Communications Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (5 total)

RBBN
Ribbon Communications Inc.
Jun 16, 2026
Exercise(M)
Direct
42.5K shares-
RBBN
Ribbon Communications Inc.
Jun 15, 2026
Award(A)
Restricted Stock Units (RSUs)
Direct
63.2K shares-
RBBN
Ribbon Communications Inc.
Jun 17, 2025
Exercise(M)
Direct
48.4K shares-
RBBN
Ribbon Communications Inc.
Jun 16, 2025
Award(A)
Restricted Stock Units (RSUs)
Direct
42.5K shares-
RBBN
Ribbon Communications Inc.
Jun 17, 2024
Exercise(M)
RSUs
Direct
48.4K shares-

		Type	Shares	Price		Ownership
Jun 16, 2026	RBBN Ribbon Communications Inc.	Exercise(M)	42,500	-	$0	Direct
Jun 15, 2026	RBBN Ribbon Communications Inc.	Award(A) Restricted Stock Units (RSUs)	63,197	-	-	Direct
Jun 17, 2025	RBBN Ribbon Communications Inc.	Exercise(M)	48,365	-	-	Direct
Jun 16, 2025	RBBN Ribbon Communications Inc.	Award(A) Restricted Stock Units (RSUs)	42,500	-	-	Direct
Jun 17, 2024	RBBN Ribbon Communications Inc.	Exercise(M) RSUs	48,365	-	-	Direct

1-5 of 5 transactions

About EWING R STEWART JR

EWING R STEWART JR (SEC CIK 0001202822) files insider reports with the SEC as Director of Ribbon Communications Inc. (RBBN).

Signal8 holds 2 ownership filings by EWING R STEWART JR, all Form 4s, filed between Jun 18, 2025 and Jun 17, 2026. Those filings report 5 transactions, from Jun 17, 2024 to Jun 16, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on EWING R STEWART JR's filings is in PLANO, TX.

Recent filings by EWING R STEWART JR

Jun 16, 2026: Option exercise of RBBN shares (Form 4, code M).
Jun 15, 2026: Grant or award of RBBN derivative securities (Form 4, code A).
Jun 17, 2025: Option exercise of RBBN shares (Form 4, code M).
Jun 16, 2025: Grant or award of RBBN derivative securities (Form 4, code A).
Jun 17, 2024: Option exercise of RBBN derivative securities (Form 4, code M).

Other insiders filing for Ribbon Communications Inc. (RBBN)

McCaffery Stephen J., EVP, Global Sales
McClelland Bruce William, President & CEO
Marmurek Eric S, EVP, Chief Financial Officer
GRAYSON BRUNS H, Director
SHANI SHAUL, Director
Bucci Sam, EVP, Chief Operating Officer

How to read Form 4 transaction codes