ATI Physical Therapy, Inc.

Annual report pursuant to Section 13 or 15(d)

Certification of termination of registration of a class of securities (Section 12(g))

Notice of Effectiveness

Notice of Effectiveness

Notice of Effectiveness

Post-effective amendment to a registration statement

Post-effective amendment to a registration statement

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post-effective amendment to a registration statement

Entry into a Material Definitive Agreement

Tender offer statement by the issuer (amendment)

5.02

Results of Operations and Financial Condition

Tender offer statement by the issuer (amendment)

Tender offer statement by the issuer (amendment)

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Entry into a Material Definitive Agreement

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Tender offer statement by the issuer

Notification of removal from listing and/or registration on a national securities exchange

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

1.01,2.03,9.01

General form for quarterly reports under Section 13 or 15(d)

2.02,9.01

8.01,9.01

5.02,5.07,9.01

5.02

General form for quarterly reports under Section 13 or 15(d)

2.02,9.01

Annual Report Scanned (Paper)

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

5.02

Annual report pursuant to Section 13 or 15(d)

2.02,9.01

5.02

General form for quarterly reports under Section 13 or 15(d)

2.02,9.01

Notice of Effectiveness

Correspondence with the SEC

Letter from the SEC

Registration statement under Securities Act of 1933

General form for quarterly reports under Section 13 or 15(d)

2.02,9.01

3.01,7.01,9.01

Notification of removal from listing and/or registration on a national securities exchange

1.01,2.03,3.02,3.03,5.02,5.03,7.01,9.01

Additional Information for Proxy Statement/ Votes

General form for quarterly reports under Section 13 or 15(d)

Annual Report Scanned (Paper)

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Preliminary Proxy Statement

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Post-effective amendment to a registration statement

General form for quarterly reports under Section 13 or 15(d)

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

General form for quarterly reports under Section 13 or 15(d)

Correspondence with the SEC

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Letter from the SEC

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Notification of late filing of Form 10-Q

General form for quarterly reports under Section 13 or 15(d)

Correspondence with the SEC

Letter from the SEC

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Letter from the SEC

General form for quarterly reports under Section 13 or 15(d)

No description available

Annual report pursuant to Section 13 or 15(d) (amendment)

Correspondence with the SEC

No description available

Additional Information for Proxy Statement/ Votes

Correspondence with the SEC

Letter from the SEC

Additional Information for Proxy Statement/ Votes

Correspondence with the SEC

No description available

Annual report pursuant to Section 13 or 15(d)

Additional Information for Proxy Statement/ Votes

General form for quarterly reports under Section 13 or 15(d)

Draft registration statement (confidential submission)

Vitti Sharon

Cox Christopher L

Kantz Erik

Oakes Augustus

Rundell Scott

Gregerson Scott

Tansey Eimile

Vitti Sharon

Kantz Erik

Oakes Augustus

Rundell Scott

Jordan Joseph Francis

Oakes Augustus