Alliant Energy Corp (LNT) Insider Ownership

Historic Insider Ownership Trends

LNT's three largest insider shareholders as of June 18, 2026 are Robert J Durian (Evp And Cfo, 157.13K shares), James H Gallegos (Evp, Gen Cnsl And Corp Sec, 57.45K shares), Leon David A De (Senior Vice President, 47.71K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
James H Gallegos Evp, Gen Cnsl And Corp Sec 57,448 0 01 Mar, 2022
Robert J Durian Evp And Cfo 157,126 0 23 Feb, 2026
Benjamin M Bilitz Cao And Controller 19,420 0 24 Feb, 2025
Terry L Kouba Senior Vice President 42,849 0 20 Feb, 2024
Leon David A De Senior Vice President 47,708 0 23 Feb, 2026
Michael Luhrs Senior Vice President 4,037 0 27 Feb, 2023
Raja Sundararajan Executive Vice President 33,050 0 23 Feb, 2026
Antonio P Smyth Executive Vice President 20,678 0 16 Apr, 2026
Mayuri Farlinger Vice President 10,432 0 23 Feb, 2026
Dylan Syse Cao And Controller 4,020 0 23 Feb, 2026
Rebecca C. Valcq Vice President 2,335 0 19 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
15 Apr, 2026 Antonio P Smyth Common Stock D 1,259 $72.18 20,678 D F
10 Apr, 2026 Roger K Newport Deferred Common Stock Units A 769 $73.10 31,446 D A
10 Apr, 2026 Roger K Newport Deferred Common Stock Units A 769 $73.10 31,446 D A
10 Apr, 2026 Christie Raymond Deferred Common Stock Units A 1,043 $73.10 8,585 D A
10 Apr, 2026 Michael Dennis Garcia Deferred Common Stock Units A 876 $73.10 25,762 D A
10 Apr, 2026 Roger K Newport Deferred Common Stock Units A 769 $73.10 31,446 D A
10 Apr, 2026 Patrick E Allen Deferred Common Stock Units A 513 $73.10 45,515 D A
10 Apr, 2026 Ignacio A Cortina Deferred Common Stock Units A 667 $73.10 10,227 D A
19 Feb, 2026 Rebecca C. Valcq Common Stock D 438 $70.01 2,335 D F
19 Feb, 2026 Rebecca C. Valcq Common Stock D 438 $70.01 2,335 D F
19 Feb, 2026 Rebecca C. Valcq Common Stock D 438 $70.01 2,335 D F
19 Feb, 2026 Rebecca C. Valcq Common Stock D 438 $70.01 2,335 D F
19 Feb, 2026 Mayuri Farlinger Common Stock A 3,026 $0.00 10,513 D A
19 Feb, 2026 Raja Sundararajan Common Stock . A 18,768 $0.00 35,590 D A
19 Feb, 2026 Dylan Syse Common Stock A 1,063 $0.00 3,776 D A
19 Feb, 2026 Rebecca C. Valcq Common Stock A 1,004 $0.00 2,773 D A
19 Feb, 2026 Robert J Durian Common Stock A 27,882 $0.00 167,806 D A
19 Feb, 2026 Mayuri Farlinger Common Stock A 3,026 $0.00 10,513 D A
19 Feb, 2026 Dylan Syse Common Stock A 1,063 $0.00 3,776 D A
19 Feb, 2026 Mayuri Farlinger Common Stock A 3,026 $0.00 10,513 D A