DE LEON DAVID A

PrivateCIK: 1763201
Location

MADISON, WI

DE LEON DAVID A (Senior Vice President) received a stock award from ALLIANT ENERGY CORP

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

A · 2 awards
InsiderDE LEON DAVID ACIK 1763201
IssuerALLIANT ENERGY CORPCIK 352541
Officer· Senior Vice President
Since Jan 2019
+5.71K
Net shares
Net buyer
$364.5K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
10.92K acquired · 5.21K disposed
Non-Derivative Transactions3

Common Stock

Direct
A · Award

Shares

+8.62K

Price / share

Trade value

% of position

20.5%
2/19/2026
41.99K50.61K

Common Stock

Direct
A · Award

Shares

+2.31K

Price / share

Trade value

% of position

4.6%
2/19/2026
50.61K52.92K

Common Stock

Direct
F · Tax Withholding

Shares

5.21K

Price / share

$70.01

Trade value

$364.54K

% of position

9.8%
2/19/2026
52.92K47.71K
Total

Net shares

+5.71K

Net value

-$364.54K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned2.28K
Total
2.28K indirect2.28K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
DE LEON DAVID A — Insider Transaction (Form 4) Filed Feb 23, 2026 | Finecho