Alliant Energy Corporation (LNT) Insider Trading
Over the last 3 months, LNT insiders made 0 open-market buys and 1 sale, a net purchase of $0 (SEC Form 4). Over the last 6 months, 676 institutions increased and 527 reduced their position (13F).
Insider Activity
Sentiment
50/100
Buys (3m)
0
Sells (3m)
1
Net (3m)
$0
Insider trades by month Buys Sells
Mar
Jun
Feb
Aug
Context3-month price -4.1%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 12, 2026 | DURIAN ROBERT Jofficer: EVP and CFO | Sell | 0 | $68.60 |
| Jul 14, 2026 | Garcia Michael Dennisdirector | Grant | 838 | — |
| Jul 14, 2026 | Cortina Ignacio Adirector | Grant | 638 | — |
| Jul 14, 2026 | ALLEN PATRICK Edirector | Grant | 491 | — |
| Jul 14, 2026 | Cox Stephaniedirector | Grant | 524 | — |
| Jul 14, 2026 | Asthana Manudirector | Grant | 998 | — |
| Jul 14, 2026 | Raymond Christiedirector | Grant | 998 | — |
| Jul 14, 2026 | Falotico Nancy Joydirector | Grant | 744 | — |
| Jul 14, 2026 | Newport Roger Kdirector | Grant | 736 | — |
| Apr 16, 2026 | Smyth Antonio Pofficer: Executive Vice President | Tax | 1,259 | $72.18 |
| Apr 14, 2026 | Cortina Ignacio Adirector | Grant | 667 | — |
| Apr 14, 2026 | Raymond Christiedirector | Grant | 1,043 | — |
| Apr 14, 2026 | Cox Stephaniedirector | Grant | 547 | — |
| Apr 14, 2026 | Newport Roger Kdirector | Grant | 769 | — |
| Apr 14, 2026 | ALLEN PATRICK Edirector | Grant | 513 | — |
| Apr 14, 2026 | Garcia Michael Dennisdirector | Grant | 876 | — |
| Apr 14, 2026 | Falotico Nancy Joydirector | Grant | 778 | — |
| Mar 19, 2026 | Valcq Rebecca C.officer: Vice President | Tax | 438 | $70.01 |
| Feb 23, 2026 | Sundararajan Rajaofficer: Executive Vice President | Grant | 18,768 | — |
| Feb 23, 2026 | Farlinger Mayuriofficer: Vice President | Grant | 1,098 | — |
| Feb 23, 2026 | Syse Dylanofficer: CAO and Controller | Tax | 506 | $70.01 |
| Feb 23, 2026 | Smyth Antonio Pofficer: Executive Vice President | Grant | 13,114 | — |
| Feb 23, 2026 | DURIAN ROBERT Jofficer: EVP and CFO | Grant | 27,882 | — |
| Feb 23, 2026 | Barton Lisa Mdirector, officer: President and CEO | Tax | 28,594 | $70.01 |
| Feb 23, 2026 | Smyth Antonio Pofficer: Executive Vice President | Tax | 6,226 | $70.01 |
| Feb 23, 2026 | Farlinger Mayuriofficer: Vice President | Grant | 3,026 | — |
| Feb 23, 2026 | Valcq Rebecca C.officer: Vice President | Grant | 1,004 | — |
| Feb 23, 2026 | Barton Lisa Mdirector, officer: President and CEO | Grant | 47,533 | — |
| Feb 23, 2026 | Barton Lisa Mdirector, officer: President and CEO | Grant | 29,527 | — |
| Feb 23, 2026 | de Leon David Aofficer: Senior Vice President | Grant | 8,616 | — |
Source: LNT SEC Form 4 filings, latest Aug 12, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their LNT positions over the last 6 months (SEC Form 13F).
Increased
676
New positions
204
Reduced
527
Sold out
68
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 25.0M | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 24.5M | May 13, 2026 |
| STATE STREET CORP | Increased | 17.6M | Aug 7, 2026 |
| STATE STREET CORP | Increased | 17.0M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 16.9M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 16.7M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 14.6M | May 8, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 14.4M | Aug 13, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 11.5M | Aug 14, 2026 |
| JANUS HENDERSON GROUP PLC | Increased | 11.3M | May 18, 2026 |
| Jupiter Topco LLC | New Position | 11.0M | Aug 14, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 10.6M | May 15, 2026 |
| Nuveen, LLC | Increased | 7.9M | Aug 11, 2026 |
| NUVEEN, LLC | Increased | 7.4M | Apr 30, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 7.4M | Aug 12, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.