Stephen J. McCaffery

CIK: 0001690129

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)2 (18.2%)

Derivative conversions

Awards (A)7 (63.6%)

Compensation grants

Other (G, F, J, C, D, …)2 (18.2%)

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

Companies & Roles (1)

RBBN

Ribbon Communications Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (11 total)

RBBN
Ribbon Communications Inc.
Oct 31, 2026
Exercise(M)
Direct
36K shares-
RBBN
Ribbon Communications Inc.
Oct 31, 2026
Tax Payment(F)
Direct
16.9K shares at avg. $1.55$26K
RBBN
Ribbon Communications Inc.
Oct 31, 2026
Exercise(M)
Direct
108K shares-
RBBN
Ribbon Communications Inc.
Oct 31, 2026
Tax Payment(F)
Direct
50.8K shares at avg. $1.55$79K
RBBN
Ribbon Communications Inc.
Jun 15, 2026
Award(A)
Restructed Stock Unites (RSUs)
Direct
200K shares-
RBBN
Ribbon Communications Inc.
Jun 15, 2026
Award(A)
Performance-Based RSUs (PSUs)
Direct
120K shares-
RBBN
Ribbon Communications Inc.
Jun 15, 2026
Award(A)
PSUs
Direct
80K shares-
RBBN
Ribbon Communications Inc.
Oct 31, 2025
Award(A)
Restricted Stock Units (RSUs)
Direct
432K shares-
RBBN
Ribbon Communications Inc.
Oct 31, 2025
Award(A)
RSUs
Direct
108K shares-
RBBN
Ribbon Communications Inc.
Oct 31, 2025
Award(A)
Performance-Based RSUs (PSUs)
Direct
64.8K shares-
RBBN
Ribbon Communications Inc.
Oct 31, 2025
Award(A)
PSUs
Direct
43.2K shares-

		Type	Shares	Price		Ownership
Oct 31, 2026	RBBN Ribbon Communications Inc.	Exercise(M)	36,003	-	$0	Direct
Oct 31, 2026	RBBN Ribbon Communications Inc.	Tax Payment(F)	16,921	$1.55	$26,228	Direct
Oct 31, 2026	RBBN Ribbon Communications Inc.	Exercise(M)	108,006	-	$0	Direct
Oct 31, 2026	RBBN Ribbon Communications Inc.	Tax Payment(F)	50,762	$1.55	$78,681	Direct
Jun 15, 2026	RBBN Ribbon Communications Inc.	Award(A) Restructed Stock Unites (RSUs)	200,000	-	-	Direct
Jun 15, 2026	RBBN Ribbon Communications Inc.	Award(A) Performance-Based RSUs (PSUs)	120,000	-	-	Direct
Jun 15, 2026	RBBN Ribbon Communications Inc.	Award(A) PSUs	80,000	-	-	Direct
Oct 31, 2025	RBBN Ribbon Communications Inc.	Award(A) Restricted Stock Units (RSUs)	432,027	-	-	Direct
Oct 31, 2025	RBBN Ribbon Communications Inc.	Award(A) RSUs	108,006	-	-	Direct
Oct 31, 2025	RBBN Ribbon Communications Inc.	Award(A) Performance-Based RSUs (PSUs)	64,804	-	-	Direct
Oct 31, 2025	RBBN Ribbon Communications Inc.	Award(A) PSUs	43,202	-	-	Direct

1-11 of 11 transactions

About McCaffery Stephen J.

McCaffery Stephen J. (SEC CIK 0001690129) files insider reports with the SEC as EVP, Global Sales of Ribbon Communications Inc. (RBBN).

Signal8 holds 4 ownership filings by McCaffery Stephen J. (1 Form 3, 3 Form 4), filed between Oct 27, 2025 and Nov 3, 2026. Those filings report 11 transactions, from Oct 31, 2025 to Oct 31, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on McCaffery Stephen J.'s filings is in PLANO, TX.

Recent filings by McCaffery Stephen J.

Oct 31, 2026: Option exercise of RBBN shares (Form 4, code M).
Oct 31, 2026: Tax withholding of RBBN shares (Form 4, code F).
Oct 31, 2026: Option exercise of RBBN shares (Form 4, code M).
Oct 31, 2026: Tax withholding of RBBN shares (Form 4, code F).
Jun 15, 2026: Grants or awards of RBBN derivative securities (3 lines, Form 4, code A).

Other insiders filing for Ribbon Communications Inc. (RBBN)

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
Macken Patrick W, EVP, Chief Legal Officer

How to read Form 4 transaction codes