SPECIALTY LABORATORIES INC

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement for Primary Offering

Post-effective amendment to an automatic shelf registration statement

Automatic Shelf Registration

Prospectus Supplement for Delayed or Continuous Offering

Post-effective amendment to an automatic shelf registration statement

Prospectus Supplement for Primary Offering

Prospectus Supplement for Delayed or Continuous Offering

Automatic Shelf Registration

Prospectus Supplement for Primary Offering

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

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

No description available

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

2.01,3.01,3.03,5.01,5.02

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

Notification of the removal from listing and registration of matured redeemed or retired securities

Additional Information for Proxy Statement/ Votes

1.01,9.01

No description available

No description available

Letter from the SEC

Correspondence with the SEC

No description available

No description available

Letter from the SEC

1.01

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

No description available

No description available

Additional Information for Proxy Statement/ Votes

Results of Operations and Financial Condition

Additional Information for Proxy Statement/ Votes

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

Additional Information for Proxy Statement/ Votes

Entry into a Material Definitive Agreement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

5.02

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

Results of Operations and Financial Condition

1.01,5.02,7.01,9.01

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

1.01,5.02,7.01,9.01

2.02,7.01,9.01

Entry into a Material Definitive Agreement

Definitive Proxy Statement

Termination of a Material Definitive Agreement

1.01

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)

Entry into a Material Definitive Agreement

Entry into a Material Definitive Agreement

Entry into a Material Definitive Agreement

5.02,7.01,9.01

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

1.01,7.01,9.01

2.02,7.01,9.01

1.01,7.01,9.01

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

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

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

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

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

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

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

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

Annual Report Scanned (Paper)

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

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

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

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

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

Annual Report Scanned (Paper)

Definitive Proxy Statement

No description available

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

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

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

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

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

Prospectus filed under Rule 424(b)(1)

Amended Initial Registration Statement

Amended Initial Registration Statement

Amended Initial Registration Statement

Registration of Securities on Exchange

Amended Initial Registration Statement

WEAVIL DAVID C

Johnson Kevin W

DiFrancesco Victoria

SCHREIBER DAVID

WHITNEY RICHARD K

WHITNEY RICHARD K

HOWE HUBBARD C

HARMAN ROBERT M

DUGAN MICHAEL C

SIMMONS NICHOLAS R

SADRI MARYAM