D.C. United (Major League Soccer): every transfer in and out, fees paid and earned, squad market value, €32m spent and €14m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-06-04 | Jordan Farr | D.C. United | Loudoun United | Loan |
| 2026-05-27 | Hakim Karamoko | D.C. United | Forward Madison | Loan |
| 2026-02-25 | Grant Leveille | D.C. United Ac. | D.C. United | — |
| 2026-02-10 | Lukas MacNaughton | D.C. United | St. Louis CITY | Free |
| 2026-01-29 | Silvan Hefti | Hamburg | D.C. United | €150k |
| 2026-01-26 | Louis Munteanu | CFR Cluj | D.C. United | €6m |
| 2026-01-26 | Keisuke Kurokawa | Gamba Osaka | D.C. United | €1.1m |
| 2026-01-26 | Alex Bono | New England | D.C. United | €42k |
| 2026-01-23 | Luis Barraza | D.C. United | Miami | Free |
| 2026-01-15 | David Schnegg | D.C. United | Charlotte | Free |
| 2026-01-13 | Kristian Fletcher | D.C. United | Cincinnati | Free |
| 2025-12-23 | Sean Johnson | Toronto | D.C. United | Free |
| 2025-12-22 | Sean Nealis | New York | D.C. United | €300k |
| 2025-12-18 | Nikola Marković | NC State | D.C. United | Free |
| 2025-12-17 | Tai Baribo | Philadelphia | D.C. United | €3.4m |
| 2025-12-17 | Gabriel Segal | Houston | D.C. United | Free |
| 2025-10-16 | Oscar Avilez | D.C. United Ac. | D.C. United | — |
| 2025-09-08 | Garrison Tubbs | D.C. United | Loudoun United | Loan |
| 2025-08-21 | Caden Clark | Montréal | D.C. United | €600k |
| 2025-07-01 | Gavin Turner | D.C. United | Chattanooga FC | Loan |