Live feed20:05:57·1037dINSIDERFilingvia QuantisnowSEC Form 3: New insider Knighthead Capital Management, Llc claimed ownership of 258,600 shares, claimed ownership of 75,580 units of Series A Preferred Stock and claimed ownership of 52,383 units of Series B Preferred StockByQuantisnow·Wall Street's wire, on your screen.ATIP· ATI Physical Therapy Inc.Health CareOriginal source