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RBBN · Ribbon Communications Inc. · Fails to Deliver

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$1.40 +0.01 (+0.72%) At close · Oct 23
Russell 2000 member Rebalance outlook locked
Market Cap
$250.35M
Shares
178.82M
Volume · Oct 23 778.35K Avg daily vol (3M) 1M

Fails to deliver — shares from a trade that were not delivered to the buyer by the settlement date — published by the SEC twice a month. Persistent fails can reflect settlement problems or naked short selling.

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1M 3M 6M 1Y 5Y All

Fails to Deliver History

Settlement Date Quantity Price Value
2026-09-30 257 $1.79 $460
2026-09-24 338 $1.80 $608
2026-09-17 432 $1.64 $708
2026-09-16 5,774 $1.83 $10,566
2026-08-26 1,536 $2.06 $3,164
2026-08-19 16 $2.04 $33
2026-08-06 2,769 $2.15 $5,953
2026-08-05 23 $2.17 $50
Showing 1–8 of 8 settlements
Key facts CIK 1708055 CUSIP 762544104 13F (30d) 21 filings 21 filers Visit website Investor relations