CF Industries Sales, LLC

No description available

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)

Post-effective amendment to an automatic shelf registration statement

No description available

Prospectus Supplement for Primary Offering

Free Writing Prospectus

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)

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

Notice of Effectiveness

Prospectus Supplement for Primary Offering

Correspondence with the SEC

Correspondence with the SEC

Registration statement under Securities Act of 1933 (amendment)

Correspondence with the SEC

Registration statement under Securities Act of 1933 (amendment)

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

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

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)

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

TERRA NITROGEN CORP

TERRA NITROGEN CORP

TERRA NITROGEN CORP

TERRA NITROGEN CORP

TERRA NITROGEN CORP

TERRA NITROGEN CORP

TERRA NITROGEN CORP