GRIFFON CORP

Ticker: GFF CUSIP: 398433102 Class: EQTY

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q4 2022

Shares 156,325 Value ($000) $5,595 Avg Close $30.26 Range $26.13 - $34.23

Q1 2021

Shares 245,331 Value ($000) $6,666 Avg Close $20.35 Range $16.25 - $23.50

Q4 2020

Shares 203,774 Value ($000) $4,153 Avg Close $17.66 Range $15.69 - $20.44

Q3 2020

Shares 196,268 Value ($000) $3,835 Avg Close $16.81 Range $13.80 - $22.48

Q2 2015

Shares 87,944 Value ($000) $1,400 Avg Close $11.93 Range $11.14 - $12.87

Q1 2015

Shares 149,679 Value ($000) $2,609 Avg Close $11.07 Range $9.14 - $12.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2022	156,325	$5,595	$30.26	$26.13 - $34.23
Q1 2021	245,331	$6,666	$20.35	$16.25 - $23.50
Q4 2020	203,774	$4,153	$17.66	$15.69 - $20.44
Q3 2020	196,268	$3,835	$16.81	$13.80 - $22.48
Q2 2015	87,944	$1,400	$11.93	$11.14 - $12.87
Q1 2015	149,679	$2,609	$11.07	$9.14 - $12.71