[{"_id":{"$oid":"62684e70e89eca781cc4f384"},"user":"ronen","roles":{"User":2001,"Editor":1984,"Admin":5150},"password":"$2b$10$pO52RJD0zgFHDW6BBCo5iu3A5Lx0TCbCbzgjvc3FxxQZGUjblSPaK","stock":[{"sku":"777","productname":"rone4n","sendout":5,"recived":3,"totalinstock":55,"location":"A770770","_id":{"$oid":"626a9bb384cd350c6e784794"}},{"sku":"ex77xee","productname":"ron","sendout":43,"recived":34,"totalinstock":444,"location":"fff","_id":{"$oid":"626adab728fcc6005453a481"}}],}]

db.collection.find({stock:{$elemMatch:{sku:"ex77xee"}}},{"stock.$":1,/** You can remove this, if you don't want these values*/"user":1,/** You can remove this, if you don't want these values*/"roles":1,/** You can remove this, if you don't want these values*/"password":1,})