How do I find contract modifications and changes?

Tracking contract modifications provides valuable market intelligence: **Where to find modification data:** - **SAM.gov**: Award data includes modification records - **FPDS-NG**: Most detailed modification information - **USASpending.gov**: Financial changes and obligations - **GovWin/Deltek**: Commercial aggregation with analysis **What modifications show:** - Additional funding (increased obligation) - Option year exercises - Scope changes (new work added) - Administrative changes - Contract extensions **Search methods:** - By original contract number - By contractor name - By awarding agency - By date range **Analyzing modification patterns:** - Frequent add-ons indicate expanding work - Option exercises signal good performance - Large modifications may indicate sole source follow-on - Pattern helps predict recompete timing **Types of modifications:** - **Unilateral**: Government-only signature (administrative) - **Bilateral**: Both parties sign (substantive changes) - **Supplemental agreements**: Major changes - **Change orders**: Within scope adjustments **Using modification intelligence:** - Identify contracts likely to have follow-on work - Spot scope creep creating new opportunities - Assess competitor program health - Time recompete pursuits appropriately - Understand agency spending patterns