FORMFACTOR INC

Ticker: FORM CUSIP: 346375108 Class: EQTY

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q1 2021

Shares 62,300 Value ($000) $2,811 Avg Close $45.48 Range $40.20 - $52.39

Q4 2020

Shares 103,400 Value ($000) $4,448 Avg Close $36.12 Range $24.89 - $45.92

Q3 2020

Shares 140,700 Value ($000) $3,507 Avg Close $27.88 Range $22.37 - $33.07

Q2 2020

Shares 133,400 Value ($000) $3,913 Avg Close $24.66 Range $17.16 - $30.99

Q1 2020

Shares 144,600 Value ($000) $2,905 Avg Close $23.88 Range $16.35 - $28.58

Q4 2019

Shares 53,000 Value ($000) $1,376 Avg Close $22.55 Range $18.43 - $26.30

Q2 2019

Shares 11,000 Value ($000) $173 Avg Close $16.37 Range $14.20 - $19.27

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	62,300	$2,811	$45.48	$40.20 - $52.39
Q4 2020	103,400	$4,448	$36.12	$24.89 - $45.92
Q3 2020	140,700	$3,507	$27.88	$22.37 - $33.07
Q2 2020	133,400	$3,913	$24.66	$17.16 - $30.99
Q1 2020	144,600	$2,905	$23.88	$16.35 - $28.58
Q4 2019	53,000	$1,376	$22.55	$18.43 - $26.30
Q2 2019	11,000	$173	$16.37	$14.20 - $19.27