Form 4 for SEI Solaris Energy Infrastructure, Inc.

Accepted 2025-08-26 00:00:00 ET · period of report 2025-08-23 · accession 0001415889-25-023024 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
	2025-08-26	2025-08-23	SEI	Giesinger Edgar R. JR.	Dir	A - Grant	$0.00	+6,052	101.0K	+6%	$0
	2025-08-26	2025-08-25	SEI	Giesinger Edgar R. JR.	Dir	S - Sale	$28.86	-10.0K	91.0K	-10%	-$288.6K

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Class A Common Stock	2025-08-23	A	A	6,052	$0.00	100,956	D	—	—	(F1) Restricted Stock Award pursuant to the Solaris Energy Infrastructure, Inc. Long Term Incentive Plan. The award vests in full on the first anniversary of the grant date. (F2) Includes 6,052 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting.
2	Common	Class A Common Stock	2025-08-25	S	D	10,000	$28.86	90,956	D	—	—	(F3) The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $28.67 to $29.19 per share. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. (F2) Includes 6,052 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting.