CIK 0000352541 · Large accelerated filer
ALLIANT ENERGY CORP
Sign in to watch- Ticker
- LNT
- Exchange
- Nasdaq
- Industry
- Electric & Other Services Combined
- FY end
- Dec 31
- Incorporated
- WI
- Entity type
- operating
- EIN
- 391380265
- Phone
- 608-458-3311
- Business address
- 4902 NORTH BILTMORE LANE, SUITE 1000, MADISON, WI, 53718-2148
- Former names
- ALLIANT ENERGY CORP, INTERSTATE ENERGY CORP, WPL HOLDINGS INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-04-10 | Cortina Ignacio A Director | Grant or award · Deferred Common Stock Units | +666.9 | $73.10 | $49K | 10,227.32 |
| 2026-04-10 | Garcia Michael Dennis Director | Grant or award · Deferred Common Stock Units | +875.51 | $73.10 | $64K | 25,762.22 |
| 2026-04-10 | Cox Stephanie Director | Grant or award · Deferred Common Stock Units | +547.2 | $73.10 | $40K | 17,253.45 |
| 2026-04-10 | Newport Roger K Director | Grant or award · Deferred Common Stock Units | +769.49 | $73.10 | $56K | 31,445.97 |
| 2026-04-10 | ALLEN PATRICK E Director | Grant or award · Deferred Common Stock Units | +513 | $73.10 | $38K | 45,514.86 |
| 2026-02-19 | Valcq Rebecca C. Vice President | Shares withheld for taxes | −438 | $70.01 | $31K | 2,335 |
| 2026-02-19 | Valcq Rebecca C. Vice President | Grant or award | +1,004 | 2,773 | ||
| 2026-02-19 | Syse Dylan CAO and Controller | Grant or award | +1,063 | 3,776.05 | ||
| 2026-02-19 | Syse Dylan CAO and Controller | Grant or award | +750 | 4,526.05 | ||
| 2026-02-19 | Syse Dylan CAO and Controller | Shares withheld for taxes | −506 | $70.01 | $35K | 4,020.05 |
| 2026-02-19 | Farlinger Mayuri Vice President | Grant or award | +3,026 | 10,512.62 | ||
| 2026-02-19 | Farlinger Mayuri Vice President | Grant or award | +1,098 | 11,610.62 | ||
| 2026-02-19 | Farlinger Mayuri Vice President | Shares withheld for taxes | −1,179 | $70.01 | $83K | 10,431.62 |
| 2026-02-19 | Smyth Antonio P Executive Vice President | Grant or award | +13,114 | 22,841 | ||
| 2026-02-19 | Smyth Antonio P Executive Vice President | Grant or award | +5,240 | 28,081 | ||
| 2026-02-19 | Smyth Antonio P Executive Vice President | Shares withheld for taxes | −6,226 | $70.01 | $436K | 21,855 |
| 2026-02-19 | Sundararajan Raja Executive Vice President | Grant or award | +18,768 | 35,590 | ||
| 2026-02-19 | Sundararajan Raja Executive Vice President | Grant or award | +8,784 | 44,374 | ||
| 2026-02-19 | Sundararajan Raja Executive Vice President | Shares withheld for taxes | −11,324 | $70.01 | $793K | 33,050 |
| 2026-02-19 | de Leon David A Senior Vice President | Grant or award | +8,616 | 50,609.26 |
Page 2 of 13 · 259 trades