THERMEDICS INC

Tender offer statement by a third party (amendment)

Written communication about a business combination transaction (Rule 425)

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

Tender offer statement by a third party (amendment)

Tender offer statement by a third party (amendment)

Written communication about a business combination transaction (Rule 425)

Tender offer statement by a third party (amendment)

Tender offer statement by a third party (amendment)

Written communication about a business combination transaction (Rule 425)

Tender offer statement by a third party (amendment)

Written communication about a business combination transaction (Rule 425)

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

No description available

5,7

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

Tender offer statement by a third party

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Tender offer statement by a third party (amendment)

Tender offer statement by a third party (amendment)

5,7

Tender offer statement by a third party (amendment)

Tender offer statement by a third party (amendment)

Tender offer statement by a third party (amendment)

Tender offer statement by a third party (amendment)

5,7

Tender offer statement by a third party (amendment)

Tender offer statement by a third party (amendment)

Annual report pursuant to Section 13 or 15(d)

Tender offer statement by a third party

Tender offer statement by a third party

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

No description available

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

5,7

Written communication about a business combination transaction (Rule 425)

No description available

Registration of Securities on Exchange (amendment)

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

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

5,7

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

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

No description available

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

No description available

5,7

No description available

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

5

5,7

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

5,7

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

Definitive Proxy Statement

1

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

2,7

2,7,9

Definitive Proxy Statement

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

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

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)

Current report pursuant to Section 13 or 15(d)

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

Definitive Proxy Statement

Preliminary Proxy Statement

Registration statement under Securities Act of 1933

2,7

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

2,7

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

Definitive Proxy Statement