75N96018F00001↗
Social & Scientific Systems, Inc. received this contract from National Institute of Health Niehs, National Institutes of Health: $27.27M obligated so far for r&d- other research and development (basic research). It runs to 2027-08-22.
Key facts · data as of Oct 25, 2026
- Recipient
- Social & Scientific Systems, Inc.
- Awarding agency
- National Institutes of Health (Department of Health and Human Services)
- Contracting office
- National Institute of Health Niehs (75N960)
- Obligated to date
- $27.27M
- Potential value
- $61.99M
- Ends
- 2027-08-22
Source: USAspending.gov prime award records (obligations: money committed, not outlays), data as of Oct 25, 2026.
Cite this page: SpendQuery, Award 75N96018F00001, data as of Oct 25, 2026, https://spendquery.com/award?id=CONT_AWD_75N96018F00001_7529_75N96018D00005_7529
Social & Scientific Systems, Inc.: all federal awards · Department of Health and Human Services: spending · National Institute of Health Niehs: what it buys · The follow-on: recompete brief
THE SISTER STUDY: TASK ORDER 001 - CORE ACTIVITIES
Up for re-bid: ends 2027-08-22. Recompete brief →
What it is
- Product or service
- R&D- Other Research and Development (Basic Research) (PSC AZ11)
- Industry
- Research and Development in the Physical, Engineering, and Life Sciences (Except Nanotechnology and Biotechnology) (NAICS 541715)
- Contracting office
- National Institute of Health Niehs (75N960)
- Competition
- Full and open after exclusion of sources
- Pricing
- Cost plus fixed fee
- How it was bought
- Single-award IDIQ · under 75N96018D00005
- Solicitation
- NIHES201800001
- Where the work is
- Durham, NC · district NC-04
Obligations by fiscal year
SpendQuery holds FY2023 on; earlier years are on USAspending.gov.
Subcontractors: where the money went next
No subawards reported for this award. Primes report subawards of $30,000 or more; many awards have none.
Every action
10 actions since 2023-03-15. Each is a modification or amendment with the money it added or took back.
| Date | Modification | Kind | Amount | What the agency wrote |
|---|---|---|---|---|
| 2026-08-20 | P00021 | Option exercised | $5.75M | THE SISTER STUDY: TASK ORDER 01 - CORE ACTIVITIES |
| 2026-08-12 | P00020 | Funding only | -$24.6K | TO ADMINISTRATIVELY DE-OBLIGATE UNEXPENDED AND EXPIRING FISCAL YEAR 2021 FUNDING IN ACCORDANCE WITH 31 U.S.C. SECTION 1552 (A), IN PREPARATION FOR SEPTEMBER 30, 2026, CLOSING OF THE PERIOD OF AVAILABILITY OF THESE FISCAL YEAR FUNDS. |
| 2025-09-23 | P00019 | Funding only | $1.57M | THE SISTER STUDY: TASK ORDER 01 - CORE ACTIVITIES |
| 2025-08-22 | P00018 | Option exercised | $5.59M | THE SISTER STUDY: TASK ORDER 01 - CORE ACTIVITIES |
| 2025-07-14 | P00017 | Funding only | $283.5K | THE SISTER STUDY: TASK ORDER 01 - CORE ACTIVITIES |
| 2024-08-15 | P00016 | Option exercised | $7.00M | THE SISTER STUDY: TASK ORDER 01 - CORE ACTIVITIES |
| 2024-07-24 | P00015 | Funding only | -$261.6K | THE SISTER STUDY: TASK ORDER 01 - CORE ACTIVITIES |
| 2023-09-28 | P00014 | Administrative change | $0 | THE SISTER STUDY: TASK ORDER 01 - CORE ACTIVITIES |
| 2023-08-18 | P00013 | Supplemental agreement (work within scope) | $7.36M | THE SISTER STUDY: TASK ORDER 01 - CORE ACTIVITIES |
| 2023-03-15 | P00012 | Administrative change | $0 | THE SISTER STUDY: TASK ORDER 01 - CORE ACTIVITIES |
Source: USAspending.gov prime award transactions and FSRS subaward reports, as loaded by SpendQuery (data as of 2026-10-25). Amounts are obligations (money committed), not outlays. The official record on USAspending.gov ↗