SOLARIS OILFIELD INFRASTRUCT

Ticker: SEI CUSIP: 83418M103 Class: Common Stock

Aigen Investment Management, LP's Holding History (CIK: 0001741224)

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

Q4 2025

Shares 4,705 Value ($000) $216 Avg Close $48.29 Range $38.42 - $57.04

Q3 2025

Shares 14,789 Value ($000) $591 Avg Close $31.12 Range $24.43 - $43.37

Q2 2025

Shares 12,706 Value ($000) $359 Avg Close $23.34 Range $14.12 - $30.16

Q4 2024

Shares 10,476 Value ($000) $301 Avg Close $19.52 Range $12.34 - $32.10

Q2 2020

Shares 27,242 Value ($000) $202 Avg Close $5.19 Range $3.79 - $7.28

Q1 2020

Shares 81,710 Value ($000) $429 Avg Close $8.12 Range $3.54 - $11.29

Q4 2019

Shares 53,455 Value ($000) $748 Avg Close $9.23 Range $7.85 - $11.39

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,705	$216	$48.29	$38.42 - $57.04
Q3 2025	14,789	$591	$31.12	$24.43 - $43.37
Q2 2025	12,706	$359	$23.34	$14.12 - $30.16
Q4 2024	10,476	$301	$19.52	$12.34 - $32.10
Q2 2020	27,242	$202	$5.19	$3.79 - $7.28
Q1 2020	81,710	$429	$8.12	$3.54 - $11.29
Q4 2019	53,455	$748	$9.23	$7.85 - $11.39