Insider · CIK 0001763201

de Leon David A

Reports to the SEC for 1 company · MADISON, WI

sec.gov

Transactions

Companies

Filings

CIK

0001763201

Forms 4 and 5

Insider transactions

34 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-02-19	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+8,616 sh	—	—	50,609.26
2026-02-19	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+2,306 sh	—	—	52,915.26
2026-02-19	LNTALLIANT ENERGY CORPF Tax Payment	Senior Vice President	FTax Payment	−5,207 sh	$70.01	−$365K	47,708.26
2025-02-20	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+3,256.204 sh	—	—	40,855.133
2025-02-20	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+2,532 sh	—	—	43,387.133
2025-02-20	LNTALLIANT ENERGY CORPF Tax Payment	Senior Vice President	FTax Payment	−2,560 sh	$61.62	−$158K	40,827.133
2024-05-07	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+465 sh	—	—	36,835.271
2024-02-15	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+6,981 sh	—	—	38,050.271
2024-02-15	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+2,386 sh	—	—	40,436.271
2024-02-15	LNTALLIANT ENERGY CORPF Tax Payment	Senior Vice President	FTax Payment	−4,269 sh	$48.40	−$207K	36,167.271
2023-02-23	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+6,457 sh	—	—	31,673.459
2023-02-23	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+2,179 sh	—	—	33,852.459
2023-02-23	LNTALLIANT ENERGY CORPF Tax Payment	Senior Vice President	FTax Payment	−3,874 sh	$52.99	−$205K	29,978.459
2022-02-25	LNTALLIANT ENERGY CORPF Tax Payment	Senior Vice President	FTax Payment	−4,300 sh	$57.87	−$249K	24,627.073
2022-02-17	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+7,526 sh	—	—	27,029.073
2022-02-17	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+1,898 sh	—	—	28,927.073
2021-12-31	LNTALLIANT ENERGY CORPM Exercise/Conversion	Senior Vice President	MExercise/Conversion	+1,599 sh	—	—	19,384.707
2021-12-31	LNTALLIANT ENERGY CORP · Restricted Stock UnitsM Exercise/Conversion	Senior Vice President	MExercise/Conversion	−1,599 sh	—	—	0
2021-03-01	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+1,801 sh	$47.09	+$84.8K	19,262.643
2021-03-01	LNTALLIANT ENERGY CORPF Tax Payment	Senior Vice President	FTax Payment	−1,840 sh	$47.09	−$86.6K	17,422.643
2021-03-01	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+1,801 sh	$47.09	+$84.8K	19,335.02
2021-03-01	LNTALLIANT ENERGY CORPF Tax Payment	Senior Vice President	FTax Payment	−1,840 sh	$47.09	−$86.6K	17,495.02
2021-02-18	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+3,607 sh	—	—	15,415.643
2021-02-18	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+2,046 sh	—	—	17,461.643
2020-12-31	LNTALLIANT ENERGY CORPM Exercise/Conversion	Senior Vice President	MExercise/Conversion	+1,533 sh	—	—	11,808.643
2020-12-31	LNTALLIANT ENERGY CORP · Restricted Stock UnitsM Exercise/Conversion	Senior Vice President	MExercise/Conversion	−1,533 sh	—	—	0
2020-03-02	LNTALLIANT ENERGY CORPF Tax Payment	Senior Vice President	FTax Payment	−1,235 sh	$55.36	−$68.4K	11,526.641
2020-03-02	LNTALLIANT ENERGY CORPD Disposition to Issuer	Senior Vice President	DDisposition to Issuer	−1,440 sh	$54.72	−$78.8K	10,086.641
2020-02-20	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+3,381 sh	—	—	11,156.641
2020-02-20	LNTALLIANT ENERGY CORPA Award	Senior Vice President	AAward	+1,605 sh	—	—	12,761.641
2019-12-31	LNTALLIANT ENERGY CORPM Exercise/Conversion	Senior Vice President	MExercise/Conversion	+1,440 sh	—	—	7,735.79
2019-12-31	LNTALLIANT ENERGY CORP · Restricted Stock UnitsM Exercise/Conversion	Senior Vice President	MExercise/Conversion	−1,440 sh	—	—	0
2019-09-03	LNTALLIANT ENERGY CORPP Purchase	Senior Vice President	PPurchase	+940.822 sh	$53.15	+$50K	6,253.834
2019-02-21	LNTALLIANT ENERGY CORP · Restricted Stock UnitsA Award	Senior Vice President	AAward	+1,479 sh	—	—	1,479

Recent filings

Accepted (ET)
Feb 234
de Leon David A0001763201-26-000001
SEC(opens sec.gov)
Feb 244
de Leon David A0000352541-25-000021
SEC(opens sec.gov)
May 94
de Leon David A0000352541-24-000061
SEC(opens sec.gov)
Feb 204
de Leon David A0000352541-24-000016
SEC(opens sec.gov)
Feb 274
de Leon David A0000352541-23-000023
SEC(opens sec.gov)
Mar 14
de Leon David A0000352541-22-000030
SEC(opens sec.gov)
Feb 224
de Leon David A0000352541-22-000024
SEC(opens sec.gov)
Jan 44
de Leon David A0000352541-22-000003
SEC(opens sec.gov)
Mar 44/A
de Leon David A0000352541-21-000035
SEC(opens sec.gov)

Companies

ALLIANT ENERGY CORPSenior Vice PresidentLNT

Address

C/O ALLIANT ENERGY CORPORATION 4902 N. BILTMORE LANE

MADISON, WI, 53718