WORKIVA INC

Ticker: WK CUSIP: 98139A105 Class: Common Stock

Sigma Planning Corp's Holding History (CIK: 0001449126)

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

Q1 2022

Shares 1,700 Value ($000) $201 Avg Close $110.54 Range $87.59 - $131.91

Q4 2021

Shares 1,700 Value ($000) $222 Avg Close $141.03 Range $122.26 - $173.24

Q3 2021

Shares 1,700 Value ($000) $240 Avg Close $135.48 Range $110.23 - $156.48

Q1 2019

Shares 5,950 Value ($000) $302 Avg Close $43.97 Range $34.43 - $51.36

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	1,700	$201	$110.54	$87.59 - $131.91
Q4 2021	1,700	$222	$141.03	$122.26 - $173.24
Q3 2021	1,700	$240	$135.48	$110.23 - $156.48
Q1 2019	5,950	$302	$43.97	$34.43 - $51.36