Ribbon Communications Inc.

FIRST WILSHIRE SECURITIES MANAGEMENT INC RBBN

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/12/2026

Shares

1,267,586

Value ($000)

3,651

Weight

0.9%

2025 Q2 - 2025 Q4 (3 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	2/12/2026	3,651	0.9%	1,267,586	12/31/2025
2025 Q3	11/14/2025	4,960	1.3%	1,305,358	9/30/2025
2025 Q2	8/14/2025	5,338	1.5%	1,331,200	6/30/2025