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UNP   UNION PACIFIC CORP   |  100885

Available Fillings Total Fillings:3390
Form Type Form Count
8-K 395
UPLOAD 30
DEFR14A 1
DEFC14A 1
10-Q 94
CORRESP 34
S-8 27
S-3/A 2
PREM14A 1
SC 13D 3
425 41
SC 13D/A 17
3/A 1
424B2 24
8-K/A 13
SC TO-T/A 6
S-4 10
SC 13G 21
POS AM 2
10-K 29
4/A 13
ARS 13
SC 14D1/A 33
SC 13E3 2
5 1
15-12G 1
PREN14A 1
144 5
11-K 97
DEFA14A 37
424B5 47
SC 13G/A 53
FWP 49
424B3 36
NO ACT 13
10-K405 2
PX14A6G 3
4 2071
DEF 14A 33
3 41
S-4/A 8
10-Q/A 7
10-K/A 7
10-K405/A 5
SC 13E3/A 13
S-3ASR 7
EFFECT 7
DFAN14A 9
PRER14A 2
S-3 9
SC TO-T 1
SC 14D1 3
PRE 14A 4
DEFN14A 1
PRRN14A 3
15-12B 1
Financials Total:545
Form Type Act Filing Date Report Date Action
8-K 34 09/10/2025 09/10/2025 |    |  
8-K 34 07/29/2025 07/28/2025 |    |  
8-K 34 07/29/2025 07/28/2025 |    |  
10-Q 34 07/24/2025 06/30/2025 |    |  
8-K 34 07/24/2025 07/24/2025 |    |  
8-K 34 07/24/2025 07/24/2025 |    |  
10-Q 34 04/24/2025 03/31/2025 |    |  
8-K 34 04/24/2025 04/24/2025 |    |  
8-K 34 02/18/2025 02/14/2025 |    |  
10-K 34 02/07/2025 12/31/2024 |    |  
Ipos Total:73
Form Type Act Filing Date Report Date Action
UPLOAD 01/25/2022 09/21/2025
CORRESP 12/17/2021 09/21/2025
CORRESP 12/13/2021 09/21/2025
CORRESP 11/22/2021 09/21/2025
UPLOAD 11/12/2021 09/21/2025
CORRESP 10/15/2021 09/21/2025
CORRESP 09/27/2021 09/21/2025
UPLOAD 09/17/2021 09/21/2025
CORRESP 08/26/2021 09/21/2025
CORRESP 08/20/2021 09/21/2025
Form Type Act Filing Date Report Date Action
4 09/11/2025 09/10/2025
4 09/11/2025 09/10/2025
4 09/11/2025 09/10/2025
4 09/11/2025 09/10/2025
4 09/11/2025 09/10/2025
4 08/21/2025 08/19/2025
4 08/11/2025 08/10/2025
4 08/11/2025 08/10/2025
4 08/11/2025 08/10/2025
4 08/11/2025 08/10/2025
Form Type Act Filing Date Report Date Action
DEF 14A 34 03/25/2025 05/08/2025
DEF 14A 34 03/26/2024 05/09/2024
DEF 14A 34 04/05/2023 09/21/2025
DEF 14A 34 03/29/2022 05/12/2022
DEF 14A 34 03/31/2021 05/13/2021
DEF 14A 34 04/03/2020 05/14/2020
DEF 14A 34 04/05/2019 05/16/2019
DEF 14A 34 03/28/2018 05/10/2018
DEF 14A 34 03/29/2017 03/29/2017
DEF 14A 34 04/06/2016 05/12/2016
Form Type Act Filing Date Report Date Action
425 09/19/2025 09/21/2025
425 09/17/2025 09/21/2025
425 09/16/2025 09/21/2025
S-4 33 09/16/2025 09/21/2025
425 09/12/2025 09/21/2025
425 09/11/2025 09/21/2025
425 09/10/2025 09/21/2025
425 09/10/2025 09/21/2025
8-K 34 09/10/2025 09/10/2025 |    |  
425 08/28/2025 09/21/2025
Form Type Act Filing Date Report Date Action
DEF 14A 34 03/25/2025 05/08/2025
DEF 14A 34 03/26/2024 05/09/2024
DEF 14A 34 04/05/2023 09/21/2025
DEF 14A 34 03/29/2022 05/12/2022
DEF 14A 34 03/31/2021 05/13/2021
DEF 14A 34 04/03/2020 05/14/2020
DEF 14A 34 04/05/2019 05/16/2019
DEF 14A 34 03/28/2018 05/10/2018
DEF 14A 34 03/29/2017 03/29/2017
DEF 14A 34 04/06/2016 05/12/2016