HUDSON TECHNOLOGIES INC

Ticker: HDSN CUSIP: 444144109 Class: Common Stock

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q4 2025

Shares 59,073 Value ($000) $405 Avg Close $7.88 Range $6.45 - $9.85

Q3 2025

Shares 40,833 Value ($000) $405 Avg Close $9.39 Range $7.98 - $10.52

Q2 2024

Shares 28,736 Value ($000) $253 Avg Close $9.69 Range $7.90 - $11.49

Q1 2024

Shares 26,063 Value ($000) $287 Avg Close $13.02 Range $10.79 - $15.24

Q3 2022

Shares 10,607 Value ($000) $78 Avg Close $8.41 Range $6.62 - $11.16

Q2 2022

Shares 18,644 Value ($000) $140 Avg Close $8.25 Range $5.78 - $10.76

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	59,073	$405	$7.88	$6.45 - $9.85
Q3 2025	40,833	$405	$9.39	$7.98 - $10.52
Q2 2024	28,736	$253	$9.69	$7.90 - $11.49
Q1 2024	26,063	$287	$13.02	$10.79 - $15.24
Q3 2022	10,607	$78	$8.41	$6.62 - $11.16
Q2 2022	18,644	$140	$8.25	$5.78 - $10.76