Mfs Series Trust I
CIK 798244 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Mfs Series Trust I.
Recent SEC filings
| Filed | Form | Accession number |
|---|---|---|
| Nov 6, 2026 | N-MFP3 | 0001410368-26-110978 |
| Oct 28, 2026 | N-CSR | 0000798244-26-000002 |
| Oct 26, 2026 | NPORT-P | 0001410368-26-108184 |
| Oct 26, 2026 | NPORT-P | 0001410368-26-108158 |
| Oct 26, 2026 | NPORT-P | 0001410368-26-108157 |
| Oct 26, 2026 | NPORT-P | 0001410368-26-108155 |
| Oct 26, 2026 | NPORT-P | 0001410368-26-108151 |
| Oct 26, 2026 | NPORT-P | 0001410368-26-108176 |
| Oct 26, 2026 | NPORT-P | 0001410368-26-108150 |
| Oct 15, 2026 | 497K | 0000912938-26-001003 |
| Oct 15, 2026 | 497 | 0000912938-26-000988 |
| Oct 15, 2026 | 497 | 0000912938-26-000976 |
| Oct 15, 2026 | 497K | 0000912938-26-000995 |
| Oct 7, 2026 | N-MFP3 | 0001410368-26-102723 |
| Sep 8, 2026 | N-MFP3 | 0001410368-26-090978 |
| Aug 27, 2026 | 497 | 0000912938-26-000806 |
| Aug 26, 2026 | N-PX | 0001104659-26-101105 |
| Aug 26, 2026 | N-PX | 0001104659-26-101106 |
| Aug 7, 2026 | N-MFP3 | 0001410368-26-078432 |
| Jul 27, 2026 | NPORT-P | 0001410368-26-075387 |
| Jul 27, 2026 | NPORT-P | 0001410368-26-075410 |
| Jul 27, 2026 | NPORT-P | 0001410368-26-075378 |
| Jul 27, 2026 | NPORT-P | 0001410368-26-075377 |
| Jul 27, 2026 | NPORT-P | 0001410368-26-075396 |
| Jul 27, 2026 | NPORT-P | 0001410368-26-075403 |