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QUEST DIAGNOSTICS INC — SC TO-T/A Filings

41 SC TO-T/A filings on record

This page lists all SC TO-T/A filings submitted to the SEC by QUEST DIAGNOSTICS INC (DGX), sorted by most recent first. Each row links to the full filing on EdgarLookup. QUEST DIAGNOSTICS INC has filed 41 SC TO-T/A documents with the SEC since 2016. To view all SEC filings by QUEST DIAGNOSTICS INC, see the full filings list.

Overview All Filings Financials Insiders
All 10-12B 10-12B/A 10-K 10-K/A 10-K405 10-Q 11-K 144 15-15D 25 25-NSE 3 3/A 4 4/A 424B2 424B3 424B4 424B5 424B7 425 5 8-A12B 8-A12B/A 8-K 8-K/A ARS CORRESP CT ORDER DEF 14A DEFA14A DEFR14A FWP NO ACT POS AM POSASR PRE 14A PX14A6G S-1/A S-3 S-3/A S-3ASR S-4 S-4/A S-8 S-8 POS SC 13D SC 13D/A SC 13E3 SC 13E3/A SC 13G SC 13G/A SC TO-T SC TO-T/A SCHEDULE 13G SCHEDULE 13G/A SD UPLOAD
Form Description Accession Number Filed Period
SC TO-T/A AMENDMENT NO. 13 TO SCHEDULE TO 0000947871-11-000490 May 11, 2011
SC TO-T/A AMENDMENT NO. 12 TO SCHEDULE TO 0000947871-11-000476 May 9, 2011
SC TO-T/A AMENDMENT NO. 11 TO SCHEDULE TO 0000947871-11-000464 May 4, 2011
SC TO-T/A AMENDMENT NO. 10 TO SCHEDULE TO 0000947871-11-000455 May 3, 2011
SC TO-T/A AMENDMENT NO. 9 TO SCHEDULE TO 0000947871-11-000432 Apr 27, 2011
SC TO-T/A AMENDMENT NO. 8 TO SCHEDULE TO 0000947871-11-000415 Apr 21, 2011
SC TO-T/A AMENDMENT NO. 7 TO SCHEDULE TO 0000947871-11-000405 Apr 18, 2011
SC TO-T/A AMENDMENT NO. 6 TO SCHEDULE TO 0000947871-11-000403 Apr 15, 2011
SC TO-T/A AMENDMENT NO. 5 TO SCHEDULE TO 0000947871-11-000394 Apr 14, 2011
SC TO-T/A AMENDMENT NO. 4 TO SCHEDULE TO 0000947871-11-000390 Apr 13, 2011
SC TO-T/A AMENDMENT NO. 3 TO SCHEDULE TO 0000947871-11-000373 Apr 6, 2011
SC TO-T/A AMENDMENT NO. 2 TO SCHEDULE TO 0000947871-11-000371 Apr 5, 2011
SC TO-T/A AMENDMENT NO. 1 TO SCHEDULE TO 0000947871-11-000355 Apr 1, 2011
SC TO-T/A AMENDMENT NO. 28 0000947871-03-000531 Feb 26, 2003
SC TO-T/A AMENDMENT NO. 27 0000947871-03-000516 Feb 24, 2003
SC TO-T/A AMENDMENT NO. 26 0000947871-03-000486 Feb 19, 2003
SC TO-T/A AMENDMENT NO. 25 0000947871-03-000367 Feb 11, 2003
SC TO-T/A AMENDMENT NO. 24 TO SCHEDULE TO 0000947871-03-000272 Feb 4, 2003
SC TO-T/A AMENDMENT NO. 23 TO SCHEDULE TO-T 0000947871-03-000148 Jan 21, 2003
SC TO-T/A AMENDMENT NO. 22 TO SCHEDULE TO 0000947871-03-000138 Jan 17, 2003
SC TO-T/A AMENDMENT NO. 21 TO SCHEDULE TO 0000947871-03-000024 Jan 7, 2003
SC TO-T/A TENDER OFFER STATEMENT - AMENDMENT NO. 20 0000947871-03-000012 Jan 6, 2003
SC TO-T/A AMENDMENT NO. 19 TO SCHEDULE TO-T/A 0000947871-02-002467 Dec 20, 2002
SC TO-T/A AMENDMENT NO. 18 TO SCHEDULE TO-T/A 0000947871-02-002392 Dec 6, 2002
SC TO-T/A AMENDMENT NO. 17 TO SCHEDULE TO-T/A 0000947871-02-002366 Dec 2, 2002
SC TO-T/A AMENDMENT NO. 16 TO SCHEDULE TO-T/A 0000947871-02-002285 Nov 21, 2002
SC TO-T/A AMENDMENT NO. 15 TO SCHEDULE TO-T/A 0000947871-02-002173 Nov 7, 2002
SC TO-T/A AMENDMENT NO. 14 TO SCHEDULE TO-T/A 0000947871-02-002026 Oct 24, 2002
SC TO-T/A AMENDMENT NO. 13 TO SCHEDULE TO-T/A 0000947871-02-001952 Oct 10, 2002
SC TO-T/A AMENDMENT NO. 12 TO SCHEDULE TO-T/A 0000947871-02-001877 Sep 26, 2002
SC TO-T/A AMENDMENT NO. 11 TO SCHEDULE TO-T/A 0000947871-02-001848 Sep 20, 2002
SC TO-T/A AMENDMENT NO. 10 TO SCHEDULE TO-T/A 0000947871-02-001812 Sep 12, 2002
SC TO-T/A AMEDNMENT NO. 9 TO SCHEDULE TO-TA 0000947871-02-001752 Aug 28, 2002
SC TO-T/A AMENDMENT NO. 8 TO SCHEDULE TO-TA 0000947871-02-001654 Aug 14, 2002
SC TO-T/A AMENDMENT NO. 7 TO SCHEDULE TO-T 0000950123-02-007357 Jul 31, 2002
SC TO-T/A AMENDMENT NO. 6 TO SCHEDULE TO-T 0000950123-02-007106 Jul 19, 2002
SC TO-T/A AMENDMENT NO. 5 TO SCHEDULE TO-T 0000950123-02-007035 Jul 17, 2002
SC TO-T/A AMENDMENT NO. 4 TO SCHEDULE TO 0000950123-02-006913 Jul 11, 2002
SC TO-T/A AMENDMENT NO. 3 TO SCHEDULE TO 0000950123-02-006708 Jul 2, 2002
SC TO-T/A AMENDMENT NO.2 TO SCHEDULE TO 0000950123-02-006406 Jun 24, 2002
SC TO-T/A AMENDMENT NO.1 TO SCHEDULE TO 0000950123-02-006004 Jun 7, 2002