Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:43f8d870-7a6e-2073-3283-6905525a61c2 2026-05-12T21:47:36-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services LNT: SMYTH ANTONIO P (VP) Disposed (JS) 1,259 Shares of ALLIANT ENERGY CORP for $72.18 on 4/15 urn:uuid:19dc8864-0cdd-548f-4ada-1ab70685586d 2026-04-16T19:11:42-04:00 LNT: VALCQ REBECCA C (VP) Disposed (JS) 438 Shares of ALLIANT ENERGY CORP for $70.01 on 2/19 urn:uuid:c893fe60-750a-cf23-4b18-28693dc1c571 2026-03-19T16:52:15-04:00 LNT: ASTHANA MANU (DIR) Filed a Form 3, Becoming a Registered Insider at ALLIANT ENERGY CORP With Initial Direct Holdings of 1k urn:uuid:bbb43ce2-ed44-6e75-bbc0-125cc5784699 2026-03-04T15:25:44-05:00 LNT: BARTON LISA M (PR,CEO,DIR) Acquired (JB) 77,060 Shares of ALLIANT ENERGY CORP for $0.00 on 2/19 urn:uuid:ba91db51-8793-3939-c3ac-9c12fef9dc5c 2026-02-23T19:15:36-05:00 LNT: BARTON LISA M (PR,CEO,DIR) Disposed (JS) 28,594 Shares of ALLIANT ENERGY CORP for $70.01 on 2/19 urn:uuid:b699f64d-4b4c-67c8-ab4c-ee5c9196b594 2026-02-23T19:15:36-05:00 LNT: VALCQ REBECCA C (VP) Acquired (JB) 1,004 Shares of ALLIANT ENERGY CORP for $0.00 on 2/19 urn:uuid:c076c176-e5b6-37f4-2d4e-16076bb4bad8 2026-02-23T19:14:23-05:00 LNT: DE LEON DAVID A (VP) Acquired (JB) 10,922 Shares of ALLIANT ENERGY CORP for $0.00 on 2/19 urn:uuid:6f73bd8a-e44d-f52b-3090-05f659e1b31d 2026-02-23T19:13:37-05:00 LNT: DE LEON DAVID A (VP) Disposed (JS) 5,207 Shares of ALLIANT ENERGY CORP for $70.01 on 2/19 urn:uuid:d66b5a8f-1a83-4569-85b6-da85ab70e794 2026-02-23T19:13:37-05:00 LNT: DURIAN ROBERT J (VP,CFO) Disposed (JS) 16,630 Shares of ALLIANT ENERGY CORP for $70.01 on 2/19 urn:uuid:1e435f8d-caef-e547-0d27-3b32eaab04cb 2026-02-23T19:12:28-05:00 LNT: DURIAN ROBERT J (VP,CFO) Acquired (JB) 33,832 Shares of ALLIANT ENERGY CORP for $0.00 on 2/19 urn:uuid:6ab6c432-b7d1-1dfb-ff16-c275ca303a8b 2026-02-23T19:12:28-05:00