Mfs Series Trust Iii

CIK 225604 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Mfs Series Trust Iii.

Recent SEC filings

FiledFormAccession number
Aug 26, 2026N-PX0001104659-26-101123
Jun 29, 2026NPORT-P0002071691-26-015570
Jun 29, 2026NPORT-P0002071691-26-015569
Jun 29, 2026NPORT-P0002071691-26-015579
Jun 29, 2026NPORT-P0002071691-26-015576
Jun 29, 202640-17G0000912938-26-000718
Jun 3, 2026497J0000912938-26-000671
May 28, 2026497K0000912938-26-000660
May 28, 2026485BPOS0000912938-26-000665
May 28, 2026497K0000912938-26-000661
May 28, 2026497K0000912938-26-000662
May 28, 2026485BPOS0000912938-26-000658
May 28, 2026497K0000912938-26-000659
Apr 14, 2026N-CEN0002071691-26-007736
Apr 8, 202624F-2NT0000225604-26-000003
Mar 30, 2026N-CSR0001193125-26-130475
Mar 27, 20264970000912938-26-000332
Mar 25, 2026NPORT-P0002071691-26-006483
Mar 25, 2026NPORT-P0002071691-26-006480
Mar 25, 2026NPORT-P0002071691-26-006484
Mar 25, 2026NPORT-P0002071691-26-006487
Feb 26, 20264970000912938-26-000213
Jan 27, 20264970000912938-26-000141
Dec 29, 20254970000912938-25-000331
Dec 23, 2025NPORT-P0002071691-25-009751