Ribbon Communications Inc.

For the period ended Dec 31, 2025. Filed Feb 26, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 26, 2026

RBBN$1.44+6.7%Stored close · as of Nov 9, 2026

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Contents

Signatures

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	RIBBON COMMUNICATIONS INC.

	By:	/s/ Bruce McClelland
February 26, 2026		Bruce McClelland
		President and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated:

Signatures	Title	Date
/s/ Bruce McClelland	President, Chief Executive Officer and Director (Principal Executive Officer)	February 26, 2026
Bruce McClelland
/s/ John Townsend	Executive Vice President and Chief Financial Officer (Principal Financial Officer)	February 26, 2026
John Townsend
/s/ Eric Marmurek	Senior Vice President and Deputy Chief Financial Officer (Principal Accounting Officer)	February 26, 2026
Eric Marmurek
/s/ Shaul Shani	Chairman	February 26, 2026
Shaul Shani
/s/ Stewart Ewing	Director	February 26, 2026
Stewart Ewing
/s/ Bruns H. Grayson	Director	February 26, 2026
Bruns H. Grayson
/s/ Beatriz V. Infante	Director	February 26, 2026
Beatriz V. Infante
/s/ Scott Mair	Director	February 26, 2026
Scott Mair
/s/ Rick W. Smith	Director	February 26, 2026
Rick W. Smith
/s/ Tanya Tamone	Director	February 26, 2026
Tanya Tamone

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