FASTLY INC

Ticker: FSLY CUSIP: 31188V100 Class: Common Stock

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q4 2021

Shares 1,065 Value ($000) $38 Avg Close $43.48 Range $33.55 - $58.62

Q3 2021

Shares 14,049 Value ($000) $568 Avg Close $46.14 Range $33.87 - $60.64

Q2 2021

Shares 286,283 Value ($000) $17,062 Avg Close $56.82 Range $39.47 - $75.15

Q1 2021

Shares 197,287 Value ($000) $13,273 Avg Close $85.95 Range $58.21 - $122.75

Q4 2020

Shares 42,145 Value ($000) $3,682 Avg Close $88.16 Range $62.20 - $136.50

Q3 2020

Shares 4,472 Value ($000) $419 Avg Close $86.79 Range $71.39 - $117.79

Q2 2020

Shares 54,257 Value ($000) $4,619 Avg Close $39.40 Range $17.18 - $89.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	1,065	$38	$43.48	$33.55 - $58.62
Q3 2021	14,049	$568	$46.14	$33.87 - $60.64
Q2 2021	286,283	$17,062	$56.82	$39.47 - $75.15
Q1 2021	197,287	$13,273	$85.95	$58.21 - $122.75
Q4 2020	42,145	$3,682	$88.16	$62.20 - $136.50
Q3 2020	4,472	$419	$86.79	$71.39 - $117.79
Q2 2020	54,257	$4,619	$39.40	$17.18 - $89.05