RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

MARYLAND CAPITAL ADVISORS INC.'s Holding History (CIK: 0001891201)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025

Shares 200 Value ($000) $1 Avg Close $3.93 Range $3.57 - $4.29

Q2 2025

Shares 200 Value ($000) $1 Avg Close $3.60 Range $3.01 - $4.29

Q1 2025

Shares 200 Value ($000) $1 Avg Close $4.21 Range $3.66 - $5.38

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	200	$1	$3.93	$3.57 - $4.29
Q2 2025	200	$1	$3.60	$3.01 - $4.29
Q1 2025	200	$1	$4.21	$3.66 - $5.38