Mo. Rev. Stat. § 452.430
All pleadings and filings in a dissolution of marriage, legal separation, or modification proceeding filed more than seventy-two years prior to the time a request for inspection is made may be made available to the public. Any pleadings, other than the interlocutory or final judgment or any modification thereof, in a dissolution of marriage, legal separation, or modification proceeding filed prior to August 28, 2009, but less than seventy-two years prior to the time a request for inspection is made, shall be subject to inspection only by the parties, an attorney of record, the family support division within the department of social services when services are being provided under section 454.400, the attorney general or his or her designee, a person or designee of a person licensed and acting under chapter 381 who shall keep any information obtained confidential, except as necessary to the performance of functions required by chapter 381, or upon order of the court for good cause shown. Such persons may receive or make copies of documents without the clerk being required to redact the Social Security number, unless the court specifically orders the clerk to do otherwise. The clerk shall redact the Social Security number from any copy of a judgment or satisfaction of judgment before releasing the copy of the interlocutory or final judgment or satisfaction of judgment to the public.
§ 452.430, RSMo