DENEKE J HEATH

PrivateCIK: 1555671
Location

HOUSTON, TX

DENEKE J HEATH (Chairman, President and CEO) exercised options at SUMMIT MIDSTREAM CORP

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

M · 3 exercises
InsiderDENEKE J HEATHCIK 1555671
IssuerSUMMIT MIDSTREAM CORPCIK 2024218
Officer· Chairman, President and CEO
Since Aug 2024
+79.32K
Net shares
Net buyer
$1.22M
Total sold
0
Open market trades
0B · 0S
11
Total transactions
223.55K acquired · 144.24K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+58.05K

Price / share

Trade value

% of position

20.0%
3/13/2026
290.71K348.76K

Common Stock

Direct
F · Tax Withholding

Shares

22.24K

Price / share

$30.29

Trade value

$673.62K

% of position

6.4%
3/13/2026
348.76K326.52K

Common Stock

Direct
M · Option Exercise

Shares

+15.88K

Price / share

Trade value

% of position

4.9%
3/13/2026
326.52K342.39K

Common Stock

Direct
F · Tax Withholding

Shares

6.25K

Price / share

$30.29

Trade value

$189.22K

% of position

1.8%
3/13/2026
342.39K336.15K

Common Stock

Direct
M · Option Exercise

Shares

+30.02K

Price / share

Trade value

% of position

8.9%
3/13/2026
336.15K366.16K

Common Stock

Direct
F · Tax Withholding

Shares

11.81K

Price / share

$30.29

Trade value

$357.76K

% of position

3.2%
3/13/2026
366.16K354.35K
Total

Net shares

+63.64K

Net value

-$1.22M

Derivative Transactions5

Corporation Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

58.05K shares

Shares

58.05K

Strike price

Held after

225.51K

Exercisable

3/13/2026

Corporation Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

15.88K shares

Shares

15.88K

Strike price

Held after

209.63K

Exercisable

3/13/2026

Corporation Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

30.02K shares

Shares

30.02K

Strike price

Held after

179.62K

Exercisable

3/13/2026

Corporation Restricted Stock Units

Direct
A · Award
Converts to

Common Stock

59.81K shares

Shares

+59.81K

Strike price

Held after

239.42K

Exercisable

3/16/2026

Corporation Restricted Stock Units

Direct
A · Award
Converts to

Common Stock

59.81K shares

Shares

+59.81K

Strike price

Held after

297.25K

Exercisable

3/16/2026
DENEKE J HEATH — Insider Transaction (Form 4) Filed Mar 17, 2026 | Finecho