DINAN CURTIS

PrivateCIK: 1278745
Location

TULSA, OK

DINAN CURTIS (See Remarks) exercised options at ONE GAS, INC.

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

M · 2 exercises
InsiderDINAN CURTISCIK 1278745
IssuerONE GAS, INC.CIK 1587732
Officer· See Remarks
Since Feb 2026
+5.60K
Net shares
Net buyer
$169.9K
Total sold
0
Open market trades
0B · 0S
8
Total transactions
15.77K acquired · 10.17K disposed
Non-Derivative Transactions4

Common stock, par value $0.01

Direct
M · Option Exercise

Shares

+3.47K

Price / share

$71.53

Trade value

$248.04K

% of position

2.6%
2/18/2025
135.48K138.95K

Common stock, par value $0.01

Direct
F · Tax Withholding

Shares

1.61K

Price / share

$71.53

Trade value

$115.25K

% of position

1.2%
2/18/2025
138.95K137.34K

Common stock, par value $0.01

Direct
M · Option Exercise

Shares

+1.73K

Price / share

$71.53

Trade value

$124K

% of position

1.3%
2/18/2025
137.34K139.07K

Common stock, par value $0.01

Direct
F · Tax Withholding

Shares

764.49

Price / share

$71.53

Trade value

$54.68K

% of position

0.5%
2/18/2025
139.07K138.31K
Total

Net shares

+2.83K

Net value

$202.10K

Derivative Transactions4

Performance Units 2022

Direct
M · Option Exercise
Converts to

Common stock, par value $0.01

6.24K shares

Shares

6.24K

Strike price

Held after

0.00

Exercisable

2/18/2025

Restricted Units 2022

Direct
M · Option Exercise
Converts to

Common stock, par value $0.01

1.56K shares

Shares

1.56K

Strike price

Held after

0.00

Exercisable

2/18/2025

Performance Units 2025

Direct
A · Award
Converts to

Common stock, par value $0.01

6.34K shares

Shares

+6.34K

Strike price

Held after

6.34K

Exercisable

2/18/2025

Restricted Units 2025

Direct
A · Award
Converts to

Common stock, par value $0.01

4.23K shares

Shares

+4.23K

Strike price

Held after

4.23K

Exercisable

2/18/2025
Non-Derivative Holdings (Post-Transaction)1

Common stock, par value $0.01

Indirect
Shares owned5.91K
Total
5.91K indirect5.91K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
DINAN CURTIS — Insider Transaction (Form 4) Filed Feb 20, 2025 | Finecho