# Nisource Inc.: filings

NI · NYSE · CIK 1111711 · [Utilities](/sectors/utilities.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/ni.md) · [Financials](/companies/ni/financials.md) · [Filings](/companies/ni/filings.md) · [Insiders](/companies/ni/insiders.md)

## Reports and events: 352 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 807, 8-K 255, 10-Q 54, 424B5 53, SC 13G/A 47, 3 42, 144 32, FWP 32, 11-K 29, 10-K 18, DEF 14A 18, 424B2 16, UPLOAD 16, 4/A 15, CORRESP 12, S-8 11, S-3ASR 10, 424B3 8, SC 13G 7, 8-K/A 5, NO ACT 5, ARS 4, DEFA14A 4, EFFECT 4, PRE 14A 4, SCHEDULE 13G/A 4, POSASR 3, SCHEDULE 13G 3, 15-15D 2, 25-NSE 2, 5 2, 8-A12B 2, CERT 2, POS AM 2, S-4 2, SC TO-I/A 2, 10-K/A 1, 15-12B 1, 8-A12B/A 1, PRER14A 1, PX14A6G 1, S-1 1, S-8 POS 1, SC TO-C 1, SC TO-I 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-28 | 06:38 ET | [10-Q](/filings/0001111711-26-000100.md) | Quarterly report, period 2026-09-30 | 0001111711-26-000100 |
| 2026-10-28 | 06:35 ET | [8-K](/filings/0001111711-26-000099.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001111711-26-000099 |
| 2026-10-16 | 07:00 ET | [8-K](/filings/0001193125-26-423375.md) | 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-26-423375 |
| 2026-08-18 | 16:30 ET | [8-K](/filings/0001193125-26-355564.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-355564 |
| 2026-08-05 | 06:38 ET | [10-Q](/filings/0001111711-26-000088.md) | Quarterly report, period 2026-06-30 | 0001111711-26-000088 |
| 2026-08-05 | 06:35 ET | [8-K](/filings/0001111711-26-000087.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001111711-26-000087 |
| 2026-05-18 | 16:06 ET | [8-K](/filings/0001193125-26-228913.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-228913 |
| 2026-05-12 | 17:20 ET | [8-K](/filings/0001193125-26-219872.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-26-219872 |
| 2026-05-06 | 06:42 ET | [10-Q](/filings/0001111711-26-000045.md) | Quarterly report, period 2026-03-31 | 0001111711-26-000045 |
| 2026-05-06 | 06:36 ET | [8-K](/filings/0001111711-26-000044.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001111711-26-000044 |
| 2026-03-30 | 06:31 ET | [DEF 14A](/filings/0001140361-26-011851.md) | Proxy statement, period 2026-05-11 | 0001140361-26-011851 |
| 2026-02-11 | 06:37 ET | [10-K](/filings/0001111711-26-000027.md) | Annual report, period 2025-12-31 | 0001111711-26-000027 |
| 2026-02-11 | 06:35 ET | [8-K](/filings/0001111711-26-000026.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001111711-26-000026 |
| 2025-12-11 | 16:20 ET | [8-K](/filings/0001193125-25-316004.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-25-316004 |
| 2025-11-07 | 16:07 ET | [8-K](/filings/0001193125-25-272329.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-272329 |
| 2025-10-31 | 07:11 ET | [8-K](/filings/0001193125-25-259392.md) | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-259392 |
| 2025-10-29 | 06:41 ET | [10-Q](/filings/0001111711-25-000055.md) | Quarterly report, period 2025-09-30 | 0001111711-25-000055 |
| 2025-10-29 | 06:39 ET | [8-K](/filings/0001111711-25-000054.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001111711-25-000054 |
| 2025-09-22 | 06:30 ET | [8-K](/filings/0001193125-25-209933.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-209933 |
| 2025-08-06 | 06:36 ET | [10-Q](/filings/0001111711-25-000036.md) | Quarterly report, period 2025-06-30 | 0001111711-25-000036 |
| 2025-08-06 | 06:35 ET | [8-K](/filings/0001111711-25-000035.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001111711-25-000035 |
| 2025-06-27 | 16:05 ET | [8-K](/filings/0001193125-25-151249.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-151249 |
| 2025-05-13 | 07:07 ET | [8-K](/filings/0001193125-25-118298.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-25-118298 |
| 2025-05-07 | 06:38 ET | [10-Q](/filings/0001111711-25-000020.md) | Quarterly report, period 2025-03-31 | 0001111711-25-000020 |
| 2025-05-07 | 06:36 ET | [8-K](/filings/0001111711-25-000019.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001111711-25-000019 |
| 2025-03-31 | 09:26 ET | [DEF 14A](/filings/0001140361-25-011195.md) | Proxy statement, period 2025-05-12 | 0001140361-25-011195 |
| 2025-03-27 | 16:05 ET | [8-K](/filings/0001193125-25-065501.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-065501 |
| 2025-02-12 | 06:45 ET | [10-K](/filings/0001111711-25-000008.md) | Annual report, period 2024-12-31 | 0001111711-25-000008 |
| 2025-02-12 | 06:40 ET | [8-K](/filings/0001111711-25-000006.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001111711-25-000006 |
| 2025-01-24 | 16:40 ET | [8-K](/filings/0001193125-25-012250.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-25-012250 |
| 2024-10-30 | 06:36 ET | [10-Q](/filings/0001111711-24-000042.md) | Quarterly report, period 2024-09-30 | 0001111711-24-000042 |
| 2024-10-30 | 06:33 ET | [8-K](/filings/0001111711-24-000041.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001111711-24-000041 |
| 2024-10-22 | 16:46 ET | [8-K](/filings/0001193125-24-241105.md) | 3.03 Change to security holders’ rights; 5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits | 0001193125-24-241105 |
| 2024-09-09 | 16:04 ET | [8-K](/filings/0001193125-24-215887.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-215887 |
| 2024-08-07 | 06:35 ET | [10-Q](/filings/0001111711-24-000032.md) | Quarterly report, period 2024-06-30 | 0001111711-24-000032 |
| 2024-08-07 | 06:33 ET | [8-K](/filings/0001111711-24-000031.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001111711-24-000031 |
| 2024-06-24 | 16:16 ET | [8-K](/filings/0001193125-24-166953.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-166953 |
| 2024-05-16 | 16:16 ET | [8-K](/filings/0001193125-24-140575.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-140575 |
| 2024-05-13 | 16:31 ET | [8-K](/filings/0001193125-24-137263.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-24-137263 |
| 2024-05-08 | 06:38 ET | [10-Q](/filings/0001111711-24-000021.md) | Quarterly report, period 2024-03-31 | 0001111711-24-000021 |
| 2024-05-08 | 06:34 ET | [8-K](/filings/0001111711-24-000019.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001111711-24-000019 |
| 2024-04-01 | 07:33 ET | [DEF 14A](/filings/0001140361-24-016755.md) | Proxy statement, period 2024-05-13 | 0001140361-24-016755 |
| 2024-03-19 | 16:29 ET | [8-K](/filings/0001193125-24-071351.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-24-071351 |
| 2024-03-18 | 16:19 ET | [8-K](/filings/0001193125-24-070159.md) | 3.03 Change to security holders’ rights; 5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits | 0001193125-24-070159 |
| 2024-03-15 | 16:15 ET | [8-K](/filings/0001193125-24-069151.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-24-069151 |
| 2024-03-14 | 16:06 ET | [8-K](/filings/0001193125-24-067889.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-067889 |
| 2024-02-22 | 07:39 ET | [8-K](/filings/0001193125-24-042105.md) | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-042105 |
| 2024-02-21 | 07:09 ET | [10-K](/filings/0001111711-24-000011.md) | Annual report, period 2023-12-31 | 0001111711-24-000011 |
| 2024-02-21 | 06:37 ET | [8-K](/filings/0001111711-24-000009.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001111711-24-000009 |
| 2024-02-20 | 08:00 ET | [8-K](/filings/0001193125-24-039384.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-24-039384 |

Page 1 of 8. [Older](/companies/ni/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 31, 2026, 13:49 ET. No prices; not investment advice.