SICINSKI MATTHEW B.

PrivateCIK: 1911802
Location

HOUSTON, TX

SICINSKI MATTHEW B. (Senior VP and CAO) exercised options at SUMMIT MIDSTREAM CORP

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 3 exercises
InsiderSICINSKI MATTHEW B.CIK 1911802
IssuerSUMMIT MIDSTREAM CORPCIK 2024218
Officer· Senior VP and CAO
Since Aug 2024
+7.25K
Net shares
Net buyer
$68.0K
Total sold
0
Open market trades
0B · 0S
11
Total transactions
16.51K acquired · 9.27K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+1.75K

Price / share

Trade value

% of position

7.5%
3/15/2025
23.18K24.93K

Common Stock

Direct
F · Tax Withholding

Shares

426.00

Price / share

$37.44

Trade value

$15.95K

% of position

1.7%
3/15/2025
24.93K24.50K

Common Stock

Direct
M · Option Exercise

Shares

+2.53K

Price / share

Trade value

% of position

10.3%
3/15/2025
24.50K27.04K

Common Stock

Direct
F · Tax Withholding

Shares

617.00

Price / share

$37.44

Trade value

$23.10K

% of position

2.3%
3/15/2025
27.04K26.42K

Common Stock

Direct
M · Option Exercise

Shares

+3.17K

Price / share

Trade value

% of position

12.0%
3/15/2025
26.42K29.59K

Common Stock

Direct
F · Tax Withholding

Shares

774.00

Price / share

$37.44

Trade value

$28.98K

% of position

2.6%
3/15/2025
29.59K28.82K
Total

Net shares

+5.63K

Net value

-$68.03K

Derivative Transactions5

Corporation Restricted Stock Units

Direct
A · Award
Converts to

Common Stock

4.53K shares

Shares

+4.53K

Strike price

Held after

35.88K

Exercisable

3/14/2025

Corporation Restricted Stock Units

Direct
A · Award
Converts to

Common Stock

4.53K shares

Shares

+4.53K

Strike price

Held after

40.41K

Exercisable

3/14/2025

Corporation Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

1.75K shares

Shares

1.75K

Strike price

Held after

38.66K

Exercisable

3/15/2025

Corporation Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

2.53K shares

Shares

2.53K

Strike price

Held after

36.13K

Exercisable

3/15/2025

Corporation Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

3.17K shares

Shares

3.17K

Strike price

Held after

32.95K

Exercisable

3/15/2025
SICINSKI MATTHEW B. — Insider Transaction (Form 4) Filed Mar 18, 2025 | Finecho