Form4insider filings, from the source

Company · CIK 0000352541 · SIC 4931 — Electric & Other Services Combined · Nasdaq

ALLIANT ENERGY CORP · LNT

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $536k · 6sales $1.4M · 8net −$878k
$10k$10k$100k$100k$1M$1MbuyssalesAug 2015Jun 2017Apr 2019Feb 2021Dec 2022Oct 2024Aug 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 10, 2026 SForm 4 →Aug 12, 4:16 pm EDTRobert J DurianEVP and CFO0$68.60$7158,146−0.00%
Mar 4, 2019 FForm 4 →Mar 6, 3:08 pm ESTTerry L KoubaSenior Vice President254$46.28$11,75517,194— plan?
Mar 4, 2019 FForm 4 →Mar 6, 3:06 pm ESTJohn O LarsenPresident and COO, Director800$46.28$37,02429,938— plan?
Mar 4, 2019 FForm 4 →Mar 6, 3:04 pm ESTRobert J DurianSVP and CFO914$46.28$42,30014,064— plan?
Feb 22, 2019 DMForm 4 →Feb 26, 6:16 pm ESTJohn O LarsenPresident and COO, Director5,195$45.68$79,09530,738— plan?
Feb 22, 2019 DMForm 4 →Feb 26, 6:14 pm ESTTerry L KoubaSenior Vice President2,552$45.68$38,85117,448— plan?
Feb 22, 2019 DMForm 4 →Feb 26, 6:13 pm ESTDouglas R. KoppSenior Vice President6,002$45.86$137,62622,476— plan?
Feb 22, 2019 MForm 4 →Feb 26, 6:11 pm ESTRobert J DurianSVP and CFO1,973——14,978— plan?
Feb 22, 2019 DMForm 4 →Feb 26, 6:10 pm ESTJames H GallegosSVP, Gen Cnsl and Corp Sec10,330$45.68$235,93737,053— plan?
Feb 22, 2019 DMForm 4 →Feb 26, 6:08 pm ESTPatricia L KamplingChairman and CEO, Director55,122$45.68$1,258,986220,365— plan?
Feb 21, 2019 AFForm 4 →Feb 25, 8:07 pm ESTDouglas R. KoppSenior Vice President9,153$45.63$98,05922,476— plan?
Feb 21, 2019 AFForm 4 →Feb 25, 8:06 pm ESTRobert J DurianSVP and CFO6,076$45.63$67,12213,005— plan?
Feb 21, 2019 AFForm 4 →Feb 25, 8:04 pm ESTJames H GallegosSVP, Gen Cnsl and Corp Sec15,905$45.63$175,94937,053— plan?
Feb 21, 2019 AFForm 4 →Feb 25, 8:03 pm ESTJohn O LarsenPresident and COO, Director10,657$45.63$117,54329,007— plan?
Feb 21, 2019 AFForm 4 →Feb 25, 7:59 pm ESTTerry L KoubaSenior Vice President5,165$45.63$54,61916,598— plan?
Feb 21, 2019 AFForm 4 →Feb 25, 7:56 pm ESTPatricia L KamplingChairman and CEO, Director94,536$45.63$1,379,212220,365— plan?
Feb 15, 2019 AForm 4 →Feb 19, 6:33 pm ESTTerry L KoubaSenior Vice President851$44.98$38,27813,827— plan?
Feb 15, 2019 AForm 4 →Feb 19, 6:30 pm ESTRobert J DurianSVP and CFO1,537$44.98$69,1349,871— plan?
Feb 15, 2019 AForm 4 →Feb 19, 6:26 pm ESTJohn O LarsenPresident and COO, Director2,761$44.98$124,19023,502— plan?
Sep 13, 2018 PForm 4 →Sep 17, 4:54 pm EDTDeborah B. DunieDirector1,250$43.80$54,74812,300+11.3% plan?
Mar 15, 2018 SForm 4 →Mar 16, 11:40 am EDTJames H GallegosSVP, Gen Cnsl and Corp Sec5,000$39.80$199,00028,860−14.8% plan?
Feb 22, 2018 AFForm 4 →Feb 26, 5:29 pm ESTJohn O LarsenPresident7,646$38.60$71,25620,484— plan?
Feb 22, 2018 AFForm 4 →Feb 26, 5:27 pm ESTDouglas R. KoppSenior Vice President4,964$38.60$44,93017,111— plan?
Feb 22, 2018 AFForm 4 →Feb 26, 5:25 pm ESTPatricia L KamplingChairman, President and CEO, Director66,192$38.60$816,892186,281— plan?
Feb 22, 2018 AFForm 4 →Feb 26, 5:22 pm ESTRobert J DurianSVP, CFO and Treasurer3,556$38.60$33,1968,078— plan?
Feb 22, 2018 AFForm 4 →Feb 26, 5:21 pm ESTJames H GallegosSVP, Gen Cnsl and Corp Sec11,194$38.60$104,76033,860— plan?
Feb 13, 2018 AForm 4 →Feb 14, 5:27 pm ESTJohn O LarsenPresident4,142$38.63$160,00516,530— plan?
Feb 13, 2018 AForm 4 →Feb 14, 5:06 pm ESTRobert J DurianSVP, CFO and Treasurer936$38.63$36,1586,197— plan?
Sep 7, 2017 IForm 4 →Sep 11, 5:06 pm EDTWayne A ReschkeSenior Vice President274$42.83$11,7430— plan?
Sep 7, 2017 SForm 4 →Sep 11, 5:06 pm EDTWayne A ReschkeSenior Vice President2,000$42.83$85,66524,497−7.55% plan?
May 23, 2017 SForm 4 →May 25, 1:33 pm EDTJames H GallegosSVP, Gen Cnsl and Corp Sec5,000$41.25$206,25028,093−15.1% plan?
May 19, 2017 PForm 4 →May 22, 10:48 am EDTDeborah B. DunieDirector3,700$39.61$146,56611,050+50.3% plan?
Feb 23, 2017 AFForm 4 →Feb 24, 5:35 pm ESTWayne A ReschkeSenior Vice President7,898$39.11$67,69926,288— plan?
Feb 23, 2017 AFForm 4 →Feb 24, 5:31 pm ESTJohn O LarsenSenior Vice President9,109$39.11$92,10412,388— plan?
Feb 23, 2017 AFForm 4 →Feb 24, 5:27 pm ESTRobert J DurianVP, CFO and Treasurer2,716$39.11$27,2605,144— plan?
Feb 23, 2017 AFForm 4 →Feb 24, 5:23 pm ESTDouglas R. KoppSenior Vice President5,107$39.11$50,25614,033— plan?
Feb 23, 2017 AFForm 4 →Feb 24, 5:19 pm ESTPatricia L KamplingChairman, President and CEO, Director74,609$39.11$965,743162,415— plan?
Feb 23, 2017 AFForm 4 →Feb 24, 5:14 pm ESTJames H GallegosSVP, Gen Cnsl and Corp Sec12,016$39.11$121,82833,047— plan?
Feb 15, 2017 AForm 4 →Feb 16, 5:32 pm ESTRobert J DurianVP, CFO and Treasurer1,369$37.54$51,3923,823— plan?
Feb 15, 2017 AFForm 4 →Feb 16, 5:29 pm ESTJames H GallegosSVP, Gen Cnsl and Corp Sec9,077$37.54$340,75127,261— plan?
Nov 7, 2016 PForm 4 →Nov 7, 5:22 pm ESTDeborah B. DunieDirector1,350$37.24$50,2707,350+22.5% plan?
Aug 9, 2016 SForm 4 →Aug 10, 4:15 pm EDTPatricia L KamplingChairman, President and CEO, Director0$39.30$13137,192−0.00% plan?
Jul 11, 2016 SForm 4 →Jul 12, 12:52 pm EDTJames H GallegosSVP, Gen Cnsl and Corp Sec5,000$40.29$201,45824,266−17.1% plan?
May 10, 2016 PForm 4 →May 10, 5:06 pm EDTDeborah B. DunieDirector1,000$73.11$73,1053,000+50.0% plan?
Mar 3, 2016 SForm 4 →Mar 4, 3:14 pm ESTThomas L HansonSenior Vice President, CFO7,500$68.15$511,15218,726−28.6% plan?
Feb 25, 2016 SForm 4 →Feb 29, 5:47 pm ESTJohn O LarsenSenior Vice President3,000$69.94$209,8203,995−42.9% plan?
Feb 17, 2016 AForm 4 →Feb 18, 5:32 pm ESTDouglas R. KoppSenior Vice President705——5,567— plan?
Feb 17, 2016 AForm 4 →Feb 18, 5:30 pm ESTPatricia L KamplingChairman, President, and CEO, Director8,811——68,596— plan?
Feb 17, 2016 AForm 4 →Feb 18, 5:28 pm ESTJames H GallegosSr. V.P.-Gen. Cnsl.-Corp. Sec.1,688——14,633— plan?
Nov 10, 2015 PForm 4 →Nov 12, 11:01 am ESTSusan D WhitingDirector2,700$57.50$155,2442,800+2,700% plan?
Sep 1, 2015 PForm 4 →Sep 4, 3:35 pm EDTDeborah B. DunieDirector1,000$55.63$55,6302,000+100% plan? late
Feb 23, 2015 AFForm 4 →Feb 25, 9:34 am ESTJohn O LarsenSenior Vice President4,377$65.09$75,8956,994— plan?
Feb 23, 2015 AFForm 4 →Feb 25, 9:32 am ESTDouglas R. KoppSenior Vice President1,409$65.09$25,5804,691— plan?
Feb 23, 2015 AFForm 4 →Feb 25, 9:30 am ESTPatricia L KamplingChairman, President, and CEO, Director35,772$65.09$771,96759,785— plan?
Feb 23, 2015 AFForm 4 →Feb 25, 9:28 am ESTThomas L HansonSenior Vice President, CFO9,583$65.09$163,18125,301— plan?
Feb 23, 2015 AFForm 4 →Feb 25, 9:26 am ESTJames H GallegosSr. V.P.-Gen. Cnsl.-Corp. Sec.6,306$65.09$106,42212,945— plan?
Feb 18, 2015 AForm 4 →Feb 20, 4:17 pm ESTJames H GallegosSr. Vice Pres.-General Counsel2,568$65.04$167,0239,910— plan?
Feb 18, 2015 AForm 4 →Feb 20, 4:13 pm ESTPatricia L KamplingChairman, President, and CEO, Director8,407$65.04$546,79147,733— plan?

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Apr 14, 2016 AForm 4 →Apr 15, 5:23 pm EDTDean C OestreichDirector402$72.62$29,18828,629—
Apr 14, 2016 AForm 4 →Apr 15, 5:21 pm EDTMichael L BennettDirector344$72.62$25,00042,056—
Apr 14, 2016 AForm 4 →Apr 15, 5:18 pm EDTPatrick E AllenDirector370$72.62$26,8756,242—
Apr 8, 2016 AForm 4 →Apr 11, 3:24 pm EDTJohn O LarsenSenior Vice President1$73.77$437,859—
Mar 24, 2016 AForm 4 →Mar 28, 2:57 pm EDTJohn O LarsenSenior Vice President1$72.99$437,858—
Mar 11, 2016 AForm 4 →Mar 14, 5:22 pm EDTJohn O LarsenSenior Vice President1$70.85$457,857—
Feb 26, 2016 AForm 4 →Feb 29, 5:47 pm ESTJohn O LarsenSenior Vice President1$68.11$457,857—
Feb 22, 2016 AForm 4/A →Mar 15, 3:41 pm EDTJames H GallegosSVP, Gen Cnsl and Corp Sec2,351——2,351—
Feb 22, 2016 AForm 4/A →Mar 15, 3:38 pm EDTRobert J DurianVP, CAO and Controller898——898—
Feb 22, 2016 AForm 4 →Feb 23, 4:17 pm ESTDouglas R. KoppSenior Vice President1,366——1,366—
Feb 22, 2016 AForm 4 →Feb 23, 4:16 pm ESTRobert J DurianVP, CAO and Controller936——936— amended
Feb 22, 2016 AForm 4 →Feb 23, 4:14 pm ESTJames H GallegosSVP, Gen Cnsl and Corp Sec2,449——2,449— amended
Feb 22, 2016 AForm 4 →Feb 23, 4:09 pm ESTJohn O LarsenSenior Vice President1,576——1,576—
Feb 22, 2016 AForm 4 →Feb 23, 4:06 pm ESTThomas L HansonSenior Vice President, CFO3,363——3,363—
Feb 22, 2016 AForm 4 →Feb 23, 4:05 pm ESTPatricia L KamplingChairman, President and CEO, Director12,544——12,544—
Feb 22, 2016 AForm 4 →Feb 23, 4:03 pm ESTWayne A ReschkeSenior Vice President1,534——1,534—
Feb 12, 2016 AForm 4 →Feb 17, 2:14 pm ESTJohn O LarsenSenior Vice President1$66.96$427,856—
Jan 29, 2016 AForm 4 →Feb 2, 12:17 pm ESTJohn O LarsenSenior Vice President1$65.34$427,787—
Jan 15, 2016 AForm 4 →Jan 20, 5:35 pm ESTJohn O LarsenSenior Vice President1$62.42$427,786—
Jan 14, 2016 AForm 4 →Jan 20, 5:20 pm ESTCarol P SandersDirector339$62.63$21,25025,025— late
Jan 14, 2016 AForm 4 →Jan 20, 5:20 pm ESTDean C OestreichDirector466$62.63$29,18727,981— late
Jan 14, 2016 AForm 4 →Jan 20, 5:19 pm ESTMichael L BennettDirector399$62.63$25,00041,349— late
Jan 14, 2016 AForm 4 →Jan 20, 5:19 pm ESTSusan D WhitingDirector240$62.63$15,0004,688— late
Jan 14, 2016 AForm 4 →Jan 20, 5:19 pm ESTPatrick E AllenDirector429$62.63$26,8755,821— late
Jan 14, 2016 AForm 4 →Jan 20, 3:57 pm ESTThomas F OtooleDirector399$62.63$25,000399— late
Oct 8, 2015 AForm 4 →Oct 13, 12:06 pm EDTSusan D WhitingDirector564$58.94$33,2504,407— late
Oct 8, 2015 AForm 4 →Oct 13, 12:05 pm EDTCarol P SandersDirector429$58.94$25,31324,455— late
Oct 8, 2015 AForm 4 →Oct 13, 12:03 pm EDTDean C OestreichDirector474$58.94$27,93827,259— late
Oct 8, 2015 AForm 4 →Oct 13, 12:00 pm EDTMichael L BennettDirector403$58.94$23,75040,568— late
Oct 8, 2015 AForm 4 →Oct 13, 11:57 am EDTPatrick E AllenDirector435$58.94$25,6255,342— late
Aug 14, 2015 AForm 4 →Aug 18, 6:50 pm EDTJohn O LarsenSenior Vice President68$61.74$4,2057,713—
Aug 14, 2015 AForm 4 →Aug 18, 6:48 pm EDTDouglas R. KoppSenior Vice President5$61.74$333611—
Aug 14, 2015 AForm 4 →Aug 18, 6:46 pm EDTPatricia L KamplingChairman, President, and CEO, Director16$61.74$1,0081,849—
Aug 14, 2015 AForm 4 →Aug 18, 6:44 pm EDTThomas L HansonSenior Vice President, CFO42$61.74$2,5784,729—
Aug 14, 2015 AForm 4 →Aug 18, 6:42 pm EDTJames H GallegosSr. V.P.-Gen. Cnsl.-Corp. Sec.4$61.74$257471—
Aug 14, 2015 AForm 4 →Aug 18, 6:20 pm EDTAnn K NewhallDirector204$61.74$12,60323,119—
Aug 14, 2015 AForm 4 →Aug 18, 6:10 pm EDTSusan D WhitingDirector34$61.74$2,0953,843—
Aug 14, 2015 AForm 4 →Aug 18, 6:08 pm EDTCarol P SandersDirector212$61.74$13,09824,026—
Aug 14, 2015 AForm 4 →Aug 18, 6:07 pm EDTDean C OestreichDirector237$61.74$14,60226,785—
Aug 14, 2015 AForm 4 →Aug 18, 6:03 pm EDTSingleton B McAllisterDirector81$61.74$4,9849,143—
Aug 14, 2015 AForm 4 →Aug 18, 6:02 pm EDTDarryl B HazelDirector102$61.74$6,29011,538—
Aug 14, 2015 AForm 4 →Aug 18, 6:00 pm EDTMichael L BennettDirector355$61.74$21,89640,165—
Aug 14, 2015 AForm 4 →Aug 18, 5:59 pm EDTPatrick E AllenDirector43$61.74$2,6754,907—
Jul 10, 2015 AForm 4 →Jul 14, 12:22 pm EDTAnn K NewhallDirector213$59.59$12,71922,915—
Jul 10, 2015 AForm 4 →Jul 14, 12:21 pm EDTMichael L BennettDirector399$59.59$23,75039,811—
Jul 10, 2015 AForm 4 →Jul 14, 12:19 pm EDTDean C OestreichDirector469$59.59$27,93826,548—
Jul 10, 2015 AForm 4 →Jul 14, 12:18 pm EDTSusan D WhitingDirector558$59.59$33,2503,809—
Jul 10, 2015 AForm 4 →Jul 14, 12:17 pm EDTCarol P SandersDirector425$59.59$25,31223,814—
Jul 10, 2015 AForm 4 →Jul 14, 12:15 pm EDTPatrick E AllenDirector430$59.59$25,6254,864—
May 15, 2015 AForm 4 →May 20, 2:22 pm EDTJohn O LarsenSenior Vice President68$61.00$4,1677,645— late
May 15, 2015 AForm 4 →May 20, 2:20 pm EDTDouglas R. KoppSenior Vice President5$61.00$330605— late
May 15, 2015 AForm 4 →May 20, 2:19 pm EDTPatricia L KamplingChairman, President, and CEO, Director16$61.00$9991,833— late
May 15, 2015 AForm 4 →May 20, 2:18 pm EDTThomas L HansonSenior Vice President, CFO42$61.00$2,5554,687— late
May 15, 2015 AForm 4 →May 20, 2:16 pm EDTJames H GallegosSr. V.P.-Gen. Cnsl.-Corp. Sec.4$61.00$254467— late
May 15, 2015 AForm 4 →May 20, 2:13 pm EDTSusan D WhitingDirector29$61.00$1,7723,251— late
May 15, 2015 AForm 4 →May 20, 2:12 pm EDTCarol P SandersDirector209$61.00$12,74923,389— late
May 15, 2015 AForm 4 →May 20, 2:08 pm EDTDean C OestreichDirector233$61.00$14,21626,079— late
May 15, 2015 AForm 4 →May 20, 2:06 pm EDTAnn K NewhallDirector203$61.00$12,37422,701— late
May 15, 2015 AForm 4 →May 20, 2:04 pm EDTSingleton B McAllisterDirector81$61.00$4,9409,062— late
May 15, 2015 AForm 4 →May 20, 2:02 pm EDTDarryl B HazelDirector102$61.00$6,23311,436— late
May 15, 2015 AForm 4 →May 20, 2:00 pm EDTMichael L BennettDirector352$61.00$21,48339,412— late
May 15, 2015 AForm 4 →May 20, 1:58 pm EDTPatrick E AllenDirector40$61.00$2,4174,434— late
Apr 10, 2015 AForm 4/A →Apr 22, 1:53 pm EDTSusan D WhitingDirector532$62.51$33,2503,222—
Apr 10, 2015 AForm 4/A →Apr 22, 1:52 pm EDTCarol P SandersDirector405$62.51$25,31223,180—
Apr 10, 2015 AForm 4/A →Apr 22, 1:50 pm EDTDean C OestreichDirector447$62.51$27,93825,846—
Apr 10, 2015 AForm 4/A →Apr 22, 1:47 pm EDTAnn K NewhallDirector203$62.51$12,71922,498—
Apr 10, 2015 AForm 4/A →Apr 22, 1:45 pm EDTMichael L BennettDirector380$62.51$23,75039,060—
Apr 10, 2015 AForm 4/A →Apr 22, 1:39 pm EDTPatrick E AllenDirector410$62.51$25,6254,394—
Apr 10, 2015 AForm 4 →Apr 14, 3:43 pm EDTSusan D WhitingDirector532$62.51$33,2503,222— amended
Apr 10, 2015 AForm 4 →Apr 14, 3:42 pm EDTCarol P SandersDirector405$62.51$25,31223,180— amended
Apr 10, 2015 AForm 4 →Apr 14, 3:41 pm EDTDean C OestreichDirector447$62.51$27,93825,846— amended
Apr 10, 2015 AForm 4 →Apr 14, 3:39 pm EDTAnn K NewhallDirector203$62.51$12,71922,498— amended
Apr 10, 2015 AForm 4 →Apr 14, 3:37 pm EDTMichael L BennettDirector380$62.51$23,75039,060— amended
Apr 10, 2015 AForm 4 →Apr 14, 3:35 pm EDTPatrick E AllenDirector410$62.51$25,6254,394— amended
Mar 18, 2015 AForm 4 →Mar 20, 5:26 pm EDTDouglas R. KoppSenior Vice President6$63.02$377600—
Mar 18, 2015 AForm 4 →Mar 20, 5:24 pm EDTJames H GallegosSr. V.P.-Gen. Cnsl.-Corp. Sec.44$63.02$2,790462—
Mar 13, 2015 AForm 4 →Mar 17, 2:26 pm EDTDouglas R. KoppSenior Vice President56$60.52$3,369594—
Mar 13, 2015 AForm 4 →Mar 17, 2:24 pm EDTJames H GallegosSr. V.P.-Gen. Cnsl.-Corp. Sec.161$60.52$9,763418—
Feb 13, 2015 AForm 4 →Feb 18, 11:37 am ESTJohn O LarsenSenior Vice President65$63.57$4,1327,577—
Feb 13, 2015 AForm 4 →Feb 18, 11:36 am ESTDouglas R. KoppSenior Vice President5$63.57$293538—
Feb 13, 2015 AForm 4 →Feb 18, 11:34 am ESTPatricia L KamplingChairman, President, and CEO, Director16$63.57$9901,816—
Feb 13, 2015 AForm 4 →Feb 18, 11:31 am ESTThomas L HansonSenior Vice President, CFO40$63.57$2,5334,645—
Feb 13, 2015 AForm 4 →Feb 18, 11:29 am ESTJames H GallegosSr. Vice Pres.-General Counsel2$63.57$140257—
Feb 13, 2015 AForm 4 →Feb 18, 11:27 am ESTSusan D WhitingDirector23$63.57$1,4672,690—
Feb 13, 2015 AForm 4 →Feb 18, 11:25 am ESTCarol P SandersDirector195$63.57$12,41922,775—
Feb 13, 2015 AForm 4 →Feb 18, 11:23 am ESTDean C OestreichDirector218$63.57$13,85025,399—
Feb 13, 2015 AForm 4 →Feb 18, 11:22 am ESTAnn K NewhallDirector191$63.57$12,15722,295—
Feb 13, 2015 AForm 4 →Feb 18, 11:20 am ESTSingleton B McAllisterDirector77$63.57$4,8978,981—
Feb 13, 2015 AForm 4 →Feb 18, 11:18 am ESTDarryl B HazelDirector97$63.57$6,18011,334—
Feb 13, 2015 AForm 4 →Feb 18, 11:16 am ESTMichael L BennettDirector332$63.57$21,09238,680—
Feb 13, 2015 AForm 4 →Feb 18, 11:14 am ESTPatrick E AllenDirector34$63.57$2,1723,984—
Jan 15, 2015 AForm 4 →Jan 20, 4:01 pm ESTSusan D WhitingDirector487$68.32$33,2502,667—
Jan 15, 2015 AForm 4 →Jan 20, 4:00 pm ESTCarol P SandersDirector370$68.32$25,31222,580—
Jan 15, 2015 AForm 4 →Jan 20, 3:58 pm ESTDean C OestreichDirector409$68.32$27,93725,182—
Jan 15, 2015 AForm 4 →Jan 20, 3:55 pm ESTAnn K NewhallDirector186$68.32$12,71922,104—
Jan 15, 2015 AForm 4 →Jan 20, 3:52 pm ESTMichael L BennettDirector348$68.32$23,75038,348—
Jan 15, 2015 AForm 4 →Jan 20, 3:50 pm ESTPatrick E AllenDirector375$68.32$25,6253,950—