Form 4 for SEI Solaris Energy Infrastructure, Inc.

Accepted 2026-03-03 00:00:00 ET · period of report 2026-03-01 · accession 0001628280-26-014098 · 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
M	2026-03-03	2026-03-01	SEI	Ramachandran Kyle S.	Pres	A - Grant	$0.00	+87.3K	407.3K	+27%	$0
	2026-03-03	2026-03-01	SEI	Ramachandran Kyle S.	Pres	F - Tax	$49.63	-49.9K	407.8K	-11%	-$2.48M

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	2026-03-01	A	A	50,339	$0.00	457,681	D	—	—	(F2) Reflects the vesting and settlement of shares that relate to multiple Performance-Based Restricted Stock Unit (PSU) awards granted pursuant to the Solaris Energy Infrastructure, Inc. Long Term Incentive Plan. The PSUs which were originally granted on March 1, 2023, March 1, 2024 and March 1, 2025 vested and were settled based on the Issuer's level of achievement with respect to the applicable performance goals.
2	Common	Class A Common Stock	2026-03-01	A	A	37,004	$0.00	407,342	D	—	—	(F1) Restricted Stock Award granted pursuant to the Solaris Energy Infrastructure, Inc. Long Term Incentive Plan on the date indicated. The award vests in three equal installments on the first three anniversaries of the grant date.
3	Common	Class A Common Stock	2026-03-01	F	D	49,902	$49.63	407,779	D	—	—	(F3) Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted Restricted Stock Awards and Performance-Based Restricted Stock Awards. (F4) Includes 115,190 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting.