Treadwell caught five of six targets for 42 yards in Sunday's 30-13 win over the Commanders.
With Alec Pierce (heel) on injured reserve and Keenan Allen (groin) inactive for Week 4, Treadwell paced the Colts' wideouts with 56 offensive snaps and ran a team-high 36 routes on Daniel Jones' 37 dropbacks. Josh Downs and Ashton Dulin fell in line behind Treadwell in terms of playing time at the position. He has nine catches for 123 yards on 11 targets through four games.