Dan Redington - Sep 4, 2025 Form 4 Insider Report for Ribbon Communications Inc. (RBBN)

Role: EVP, Global Sales
Signature: Patrick Macken, By POA from Dan Redington, EVP of Global Sales
Stock symbol: RBBN
Transactions as of: Sep 4, 2025
Transactions value $: -$766,592
Form type: 4
Date filed: 9/8/2025, 05:05 PM
Previous filing: Jun 17, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Redington Dan	EVP, Global Sales	6500 CHASE OAKS BOULEVARD, SUITE 100, PLANO	Patrick Macken, By POA from Dan Redington, EVP of Global Sales	2025-09-08	0001967463

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RBBN	Common Stock	Sale	-$83.3K	-20K	-10.55%	$4.16	170K	Sep 4, 2025	Direct	F1
transaction	RBBN	Common Stock	Sale	-$626K	-155K	-91.64%	$4.03	14.2K	Sep 5, 2025	Direct	F2
transaction	RBBN	Common Stock	Sale	-$57K	-14.2K	-100%	$4.02	0	Sep 8, 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.16 to $4.165, inclusive. The reporting person undertakes to provide to Ribbon Communications, any security holder of Ribbon Communications, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price with the ranges set forth in this footnote.
F2	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.965 to $4.160, inclusive. The reporting person undertakes to provide to Ribbon Communications, any security holder of Ribbon Communications, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price with the ranges set forth in this footnote.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.16 to $4.165, inclusive. The reporting person undertakes to provide to Ribbon Communications, any security holder of Ribbon Communications, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price with the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.965 to $4.160, inclusive. The reporting person undertakes to provide to Ribbon Communications, any security holder of Ribbon Communications, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price with the ranges set forth in this footnote.