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)
DateInsiderTypeSharesPrice
Aug 12, 2026DURIAN ROBERT Jofficer: EVP and CFOSell0$68.60
Jul 14, 2026Garcia Michael DennisdirectorGrant838
Jul 14, 2026Cortina Ignacio AdirectorGrant638
Jul 14, 2026ALLEN PATRICK EdirectorGrant491
Jul 14, 2026Cox StephaniedirectorGrant524
Jul 14, 2026Asthana ManudirectorGrant998
Jul 14, 2026Raymond ChristiedirectorGrant998
Jul 14, 2026Falotico Nancy JoydirectorGrant744
Jul 14, 2026Newport Roger KdirectorGrant736
Apr 16, 2026Smyth Antonio Pofficer: Executive Vice PresidentTax1,259$72.18
Apr 14, 2026Cortina Ignacio AdirectorGrant667
Apr 14, 2026Raymond ChristiedirectorGrant1,043
Apr 14, 2026Cox StephaniedirectorGrant547
Apr 14, 2026Newport Roger KdirectorGrant769
Apr 14, 2026ALLEN PATRICK EdirectorGrant513
Apr 14, 2026Garcia Michael DennisdirectorGrant876
Apr 14, 2026Falotico Nancy JoydirectorGrant778
Mar 19, 2026Valcq Rebecca C.officer: Vice PresidentTax438$70.01
Feb 23, 2026Sundararajan Rajaofficer: Executive Vice PresidentGrant18,768
Feb 23, 2026Farlinger Mayuriofficer: Vice PresidentGrant1,098
Feb 23, 2026Syse Dylanofficer: CAO and ControllerTax506$70.01
Feb 23, 2026Smyth Antonio Pofficer: Executive Vice PresidentGrant13,114
Feb 23, 2026DURIAN ROBERT Jofficer: EVP and CFOGrant27,882
Feb 23, 2026Barton Lisa Mdirector, officer: President and CEOTax28,594$70.01
Feb 23, 2026Smyth Antonio Pofficer: Executive Vice PresidentTax6,226$70.01
Feb 23, 2026Farlinger Mayuriofficer: Vice PresidentGrant3,026
Feb 23, 2026Valcq Rebecca C.officer: Vice PresidentGrant1,004
Feb 23, 2026Barton Lisa Mdirector, officer: President and CEOGrant47,533
Feb 23, 2026Barton Lisa Mdirector, officer: President and CEOGrant29,527
Feb 23, 2026de Leon David Aofficer: Senior Vice PresidentGrant8,616

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
InstitutionActionSharesFiled
BlackRock, Inc.Increased25.0MAug 7, 2026
BLACKROCK, INC.Increased24.5MMay 13, 2026
STATE STREET CORPIncreased17.6MAug 7, 2026
STATE STREET CORPIncreased17.0MMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased16.9MAug 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position16.7MMay 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position14.6MMay 8, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCReduced14.4MAug 13, 2026
PRICE T ROWE ASSOCIATES INC /MD/Increased11.5MAug 14, 2026
JANUS HENDERSON GROUP PLCIncreased11.3MMay 18, 2026
Jupiter Topco LLCNew Position11.0MAug 14, 2026
PRICE T ROWE ASSOCIATES INC /MD/Increased10.6MMay 15, 2026
Nuveen, LLCIncreased7.9MAug 11, 2026
NUVEEN, LLCIncreased7.4MApr 30, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased7.4MAug 12, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.