RIBBON COMMUNICATIONS INC (RBBN) Institutional Ownership and Insiders Activity

RIBBON COMMUNICATIONS INC (RBBN) is widely held by institutional investors, with 1 tracked firm reporting positions valued at approximately $24,432 based on SEC Form 13F filings for the quarter ended June 30, 2026.

Sequoia Financial Advisors is the largest disclosed holder, reporting approximately $24,432 in RBBN holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Sequoia Financial Advisors representing the majority of disclosed value.

Recent insider activity includes 8 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.