RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

Vestmark Advisory Solutions, Inc.'s Holding History (CIK: 0001736982)

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

Q3 2025

Shares 15,069 Value ($000) $57 Avg Close $3.93 Range $3.57 - $4.29

Q1 2025

Shares 30,138 Value ($000) $118 Avg Close $4.21 Range $3.66 - $5.38

Q4 2024

Shares 13,803 Value ($000) $57 Avg Close $3.78 Range $3.03 - $4.39

Q3 2024

Shares 13,803 Value ($000) $45 Avg Close $3.24 Range $2.75 - $3.95

Q2 2024

Shares 13,803 Value ($000) $45 Avg Close $3.04 Range $2.47 - $3.58

Q1 2024

Shares 13,803 Value ($000) $44 Avg Close $3.04 Range $2.75 - $3.65

Q4 2023

Shares 13,803 Value ($000) $40 Avg Close $2.25 Range $1.78 - $3.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	15,069	$57	$3.93	$3.57 - $4.29
Q1 2025	30,138	$118	$4.21	$3.66 - $5.38
Q4 2024	13,803	$57	$3.78	$3.03 - $4.39
Q3 2024	13,803	$45	$3.24	$2.75 - $3.95
Q2 2024	13,803	$45	$3.04	$2.47 - $3.58
Q1 2024	13,803	$44	$3.04	$2.75 - $3.65
Q4 2023	13,803	$40	$2.25	$1.78 - $3.00