ALLIANT ENERGY CORP (LNT) - Insider Holders & Insider Ownership

List of insiders holdings for ALLIANT ENERGY CORP:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#Insider Holder NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
1LARSEN JOHN O
Director		2025-02-24 16:44:54289,939
11,561		301,500Form 4
2KAMPLING PATRICIA L
Chairman and CEO		2019-06-04 12:57:45200,365
9,636		210,001Form 4
3HARVEY WILLIAM D
Chairman and CEO		2012-02-29 14:14:38143,385
29,598		172,984Form 4
4DURIAN ROBERT J
EVP and CFO		2026-08-12 16:16:38158,146
5,650		163,796Form 4
5PROTSCH ELIOT G
SR EXEC VP, COO		2009-11-18 16:42:2888,532
25,415		113,947Form 4
6Barton Lisa M
President and CEO		2026-02-23 19:15:36107,452
0		107,452Form 4
7BENNETT MICHAEL L
Director		2017-10-16 16:54:4792,330
0		92,330Form 4
8Oestreich Dean C
Director		2016-10-17 12:38:3459,450
0		59,450Form 4
9GALLEGOS JAMES H
EVP, Gen Cnsl and Corp Sec		2022-03-01 16:34:1757,448
1,550		58,998Form 4
10Kouba Terry L
Senior Vice President		2024-02-20 19:49:1642,849
10,564		53,413Form 4
11Sanders Carol P
Director		2016-10-17 12:43:1052,779
0		52,779Form 4
12de Leon David A
Senior Vice President		2026-02-23 19:13:3747,708
2,279		49,987Form 4
13ALLEN PATRICK E
Director		2026-07-14 10:36:3946,349
0		46,349Form 4
14OTOOLE THOMAS F
Director		2023-10-17 13:36:5334,957
0		34,957Form 4
15Sundararajan Raja
Executive Vice President		2026-02-23 19:08:5333,050
0		33,050Form 4
16Newport Roger K
Director		2026-07-14 10:30:0532,420
0		32,420Form 4
17PERDUE DAVID A
Director		2014-11-18 17:16:2630,207
0		30,207Form 4
18CASTINE CHARLES
SUBSIDIARY VP		2004-01-05 17:10:1427,539
0		27,539Form 4
19Garcia Michael Dennis
Director		2026-07-14 10:31:3026,794
0		26,794Form 4
20KOPP DOUGLAS R.
Senior Vice President		2019-02-26 18:13:0022,476
4,192		26,667Form 4
21Whiting Susan D
Director		2023-07-13 19:27:4424,915
0		24,915Form 4
22RESCHKE WAYNE A
Senior Vice President		2017-09-11 17:06:0224,497
0		24,497Form 4
23HOFFMAN JAMES E
EXECUTIVE VICE PRESIDENT		2005-01-05 13:12:0924,199
0		24,199Form 4
24ALLER THOMAS L
Senior Vice President		2014-03-17 12:43:2217,512
6,260		23,772Form 4
25NEWHALL ANN K
Director		2015-08-18 18:20:2723,119
0		23,119Form 4
26SCHLUTZ ROBERT W
Director		2006-05-18 16:56:4423,108
0		23,108Form 4
27WEILER ANTHONY R
Director		2007-02-20 17:21:4420,463
1,389		21,852Form 4
28WALKER THOMAS M
EXECUTIVE VICE PRESIDENT		2003-08-21 12:40:4221,762
0		21,762Form 4
29SWAN BARBARA J
Executive Vice President		2011-01-04 12:41:2013,680
7,564		21,244Form 4
30Smyth Antonio P
Executive Vice President		2026-04-16 19:11:4220,678
0		20,678Form 4
31Falotico Nancy Joy
Director		2026-07-14 10:32:3920,523
0		20,523Form 4
32HANSON THOMAS L
Senior Vice President, CFO		2016-03-04 15:14:5418,726
1,781		20,507Form 4
33Farlinger Mayuri
Vice President		2026-02-23 19:10:5010,432
9,657		20,089Form 4
34Bilitz Benjamin M
CAO and Controller		2025-02-24 16:51:5819,420
0		19,420Form 4
35MALEY MICHAEL P
SUBSIDIARY VP		2004-01-05 17:11:0918,767
0		18,767Form 4
36Cox Stephanie
Director		2026-07-14 10:33:4317,907
0		17,907Form 4
37DOYLE DUNDEANA K
Senior Vice President		2011-08-18 11:50:309,425
7,843		17,268Form 4
38ZUHLKE KIM K
VICE PRESIDENT		2004-01-05 17:07:5116,171
0		16,171Form 4
39PYLE JUDITH D
Director		2008-07-10 16:47:1515,425
0		15,425Form 5/A
40MINECK DANIEL L
SUBSIDIARY VP		2004-01-05 17:04:0515,257
0		15,257Form 4
41MOORE PEGGY HOWARD
VICE PRESIDENT		2008-03-11 18:06:378,139
4,304		12,443Form 4
42Dunie Deborah B.
Director		2018-09-17 16:54:2912,300
0		12,300Form 4
43HAZEL DARRYL B
Director		2015-08-18 18:02:2511,538
0		11,538Form 4
44WEGNER PAMELA J
EXECUTIVE VICE PRESIDENT		2004-05-24 11:15:3611,491
0		11,491Form 4
45ARENDS ALAN B
Director		2004-05-19 10:00:5610,959
0		10,959Form 4
46Cortina Ignacio A
Director		2026-07-14 10:35:3410,943
0		10,943Form 4
47DAVIS ERROLL B JR
CHAIRMAN		2006-01-18 16:30:250
9,693		9,693Form 4
48Raymond Christie
Director		2026-07-14 10:28:449,648
0		9,648Form 4
49MCALLISTER SINGLETON B
Director		2015-08-18 18:03:479,143
0		9,143Form 4
50SCHMIDT JOEL J
Vice President		2012-01-31 17:19:196,224
2,231		8,454Form 4
51SIEHR BARBARA A
VICE PRESIDENT		2004-01-05 17:07:058,043
0		8,043Form 4
52GEBHART VERN A
VICE PRESIDENT		2004-01-05 17:01:077,828
0		7,828Form 4
53EVANS JACK
Director		2004-02-20 12:27:327,028
0		7,028Form 4
54KRATCHMER JOHN E
VP, CONTROLLER		2006-12-01 10:03:016,866
0		6,866Form 4/A
55LYALL KATHARINE C
Director		2005-01-19 16:07:424,469
0		4,469Form 4
56Luhrs Michael
Senior Vice President		2023-02-27 21:36:124,037
0		4,037Form 4
57Syse Dylan
CAO and Controller		2026-02-23 19:07:534,020
0		4,020Form 4
58SHEFCHEK JOSEPH E
ASSISTANT VICE PRESIDENT		2003-11-20 11:50:332,655
0		2,655Form 4
59Valcq Rebecca C.
Vice President		2026-03-19 16:52:152,335
0		2,335Form 4/A
60PETERSON JOHN K
SUBSIDIARY VP		2004-01-21 16:14:281,759
0		1,759Form 4
61Asthana Manu
Director		2026-07-14 10:27:36998.04
0		998.04Form 4
62Evanko Jillian C.
Director		2021-01-12 13:38:50794.85
0		794.85Form 4
63LEACH JAMES A
Director		2007-05-11 16:53:56100
0		100Form 3