SOLARIS OILFIELD INFRASTRUCT

Ticker: SEI CUSIP: 83418M103 Class: Common Stock

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q4 2025

Shares 19,474 Value ($000) $895 Avg Close $48.29 Range $38.42 - $57.04

Q3 2025

Shares 363,440 Value ($000) $14,527 Avg Close $31.12 Range $24.43 - $43.37

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	19,474	$895	$48.29	$38.42 - $57.04
Q3 2025	363,440	$14,527	$31.12	$24.43 - $43.37