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
+7.63K
Net shares
Net buyer
$276.7K
Total sold
0
Open market trades
0B · 0S
8
Total transactions
18.79K acquired · 11.16K disposed
Non-Derivative Transactions4

Common stock, par value $0.01

Direct
M · Option Exercise

Shares

+1.77K

Price / share

$86.04

Trade value

$152.64K

% of position

1.3%
2/14/2026
141.26K143.04K

Common stock, par value $0.01

Direct
F · Tax Withholding

Shares

777.91

Price / share

$86.04

Trade value

$66.93K

% of position

0.5%
2/14/2026
143.04K142.26K

Common stock, par value $0.01

Direct
M · Option Exercise

Shares

+5.39K

Price / share

$86.04

Trade value

$464.16K

% of position

3.9%
2/16/2026
138.31K143.70K

Common stock, par value $0.01

Direct
F · Tax Withholding

Shares

2.44K

Price / share

$86.04

Trade value

$209.73K

% of position

1.7%
2/16/2026
143.70K141.26K
Total

Net shares

+3.95K

Net value

$340.14K

Derivative Transactions4

Restricted Units 2023

Direct
M · Option Exercise
Converts to

Common stock, par value $0.01

1.59K shares

Shares

1.59K

Strike price

Held after

0.00

Exercisable

2/14/2026

Performance Units 2023

Direct
M · Option Exercise
Converts to

Common stock, par value $0.01

6.36K shares

Shares

6.36K

Strike price

Held after

0.00

Exercisable

2/16/2026

Performance Units 2026

Direct
A · Award
Converts to

Common stock, par value $0.01

6.97K shares

Shares

+6.97K

Strike price

Held after

6.97K

Exercisable

2/16/2026

Restricted Units 2026

Direct
A · Award
Converts to

Common stock, par value $0.01

4.65K shares

Shares

+4.65K

Strike price

Held after

4.65K

Exercisable

2/16/2026
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 19, 2026 | Finecho