SMILEDIRECTCLUB INC

Ticker: SDCCQ CUSIP: 83192H106 Class: USD

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2021

Shares 182,231 Value ($000) $428 Avg Close $4.18 Range $2.29 - $7.09

Q3 2021

Shares 4,970,000 Value ($000) $26,440 Avg Close $6.21 Range $4.63 - $8.78

Q2 2021

Shares 9,337,080 Value ($000) $81,046 Avg Close $9.22 Range $7.20 - $11.75

Q1 2021

Shares 7,032,767 Value ($000) $72,508 Avg Close $11.84 Range $9.02 - $16.08

Q4 2020

Shares 3,805,455 Value ($000) $45,437 Avg Close $11.33 Range $8.63 - $14.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	182,231	$428	$4.18	$2.29 - $7.09
Q3 2021	4,970,000	$26,440	$6.21	$4.63 - $8.78
Q2 2021	9,337,080	$81,046	$9.22	$7.20 - $11.75
Q1 2021	7,032,767	$72,508	$11.84	$9.02 - $16.08
Q4 2020	3,805,455	$45,437	$11.33	$8.63 - $14.14