National Science Foundation (NSF) - Mathematical Sciences Postdoctoral Research Fellowships (MSPRF)

Detailed instructions for submitting proposals for the Mathematical Sciences Postdoctoral Research Fellowships (MSPRF) program by the National Science Foundation (NSF).

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DeadlineThird Wednesday in October, Annually Thereafter

Award amount$190,000 total fellowship amount

Last checkedJun 25, 2026

Deadline

Important Notice No. 149: Updates to NSF Research Security Policies

NSF updates research security policies effective December 2, 2025, including new requirements for assessments, training, and foreign talent program certifications.

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Requirements

Research security assessment and required recipient documentation effective December 2, 2025.; Research security training certifications required for proposers and senior/key personnel effective December 2, 2025.; Prohibition of individuals in Malign Foreign Talent Recruitment Programs (MFTRP) from serving as senior/key personnel.; MFTRP certifications required from proposers and senior/key personnel.; Foreign Financial Disclosure Reporting (FFDR) effective immediately.

Important dates

Effective December 2, 2025: Research security assessment and training requirements.; In effect: Malign Foreign Talent Recruitment Program prohibition and certification.; Reporting period for FFDR: July 1, 2024 - June 30, 2025.; FFDR reporting portal opens: September 1, 2025.; FFDR report submission deadline: October 31, 2025.

Documents

Downloadable PDF version of the notice.

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