DURRETT CYNTHIA M. (Chief Administrative Officer) received a stock award from SOLARIS ENERGY INFRASTRUCTURE, INC.

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award

DURRETT CYNTHIA M.

Filed: 3/4/2025ACC: 0001415889-25-006648

InsiderDURRETT CYNTHIA M.CIK 1705383

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IssuerSOLARIS ENERGY INFRASTRUCTURE, INC.CIK 1697500

DirectorOfficer· Chief Administrative Officer

Since Mar 2026

+18.26K

Net shares

Net buyer

$552.6K

Total sold

Open market trades

0B · 0S

Total transactions

34.44K acquired · 16.18K disposed

Non-Derivative Transactions2

Class A Common Stock

Direct

A · Award

+34.44K

Price / share

—

Trade value

—

% of position

21.5%

3/1/2025

159.90K→194.34K

Class A Common Stock

Direct

F · Tax Withholding

−16.18K

Price / share

$34.15

Trade value

$552.62K

% of position

8.3%

3/1/2025

194.34K→178.16K

Total

Net shares

+18.26K

Net value

-$552.62K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	3/1/2025	A · Award	+34.44K	—	—	21.5%	159.90K	194.34K
Class A Common Stock Direct	3/1/2025	F · Tax Withholding	−16.18K	$34.15	$552.62K	8.3%	194.34K	178.16K
Total			+18.26K		-$552.62K

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)1

Class B Common Stock

Direct

Shares owned165.04K

Total

165.04K direct165.04K

Security Title	Shares Owned	Ownership Type
Class B Common Stock	165.04K	Direct
Total	165.04K	165.04K direct

Derivative Holdings (Post-Transaction)1

Solaris Oilfield Infrastructure, LLC Units

Direct

Underlying security

Class A Common Stock

Underlying shares

165.04K

Shares owned

165.04K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

165.04K

Owned

165.04K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Solaris Oilfield Infrastructure, LLC Units Direct	Class A Common Stock		—	—	165.04K	165.04K
Total					165.04K	165.04K