TRIGEN ENERGY CORP

Post Effective Amendment to S-8

Post Effective Amendment to S-8

No description available

Post Effective Amendment to S-8

Post Effective Amendment to S-8

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

Annual report pursuant to Section 13 or 15(d)

Tender offer statement by a third party (amendment)

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

Tender offer statement by a third party (amendment)

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

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

Tender offer statement by a third party (amendment)

Tender offer statement by a third party (amendment)

No description available

Tender offer statement by a third party

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

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)

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

5

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

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

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)

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)

2,7

2,7

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

2

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

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

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

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

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

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

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

4

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

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

4

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

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

Annual report pursuant to Section 13 or 15(d)

4

Definitive Proxy Statement

2,7

4

4,5

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

2,7

5

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

Post Effective Amendment to S-8

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)

Annual report pursuant to Section 13 or 15(d)

Definitive Proxy Statement

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

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

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 (amendment)

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