# Cattle Run Proposers Day Announcement

Canonical: https://abierto.us/opportunities/darpasn2703

- Solicitation number: DARPA-SN-27-03
- Notice type: Special notice
- Status: Closed. Deadline was November 4, 2026
- Department: Department of Defense
- Agency: Defense Advanced Research Projects Agency
- Contracting office: Def Advanced Research Projects Agcy (HR0011)
- NAICS: 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- Product or service code: AC13 National Defense R&D Services; Department Of Defense - Military; Experimental Development
- Who can bid, by location: Anywhere in the US. Location does not limit who can bid: a product shipped to the buyer, research at the performer's facility, or work at the contractor's site. A state shown is the delivery point.
- First posted: October 22, 2026
- Last posted: October 23, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/ca5328285cc94aa5963e30cbe684343c/view

## Description

PROPOSERS DAY:
DARPA is hosting a Proposers Day in support of DARPA-SN-27-03 Cattle Run program on Tuesday, November 10, 2026, at the DARPA Conference Center (675 North Randolph Street, Arlington, VA 22203) from 8:00am to 5:00pm EST. The purpose of this conference is to provide information on the Cattle Run program; promote additional discussion on this topic; address questions from potential proposers; and provide a forum for potential proposers to meet for teaming opportunities.

## Attachments

- [DARPA-SN-27-03.pdf](https://sam.gov/api/prod/opps/v3/opportunities/resources/files/562a3f5779e74ee1a6ecae628c928676/download)

## Open now in the same industry

127 open in NAICS 541715.

- SBIR FY26 Phase I Broad Agency Announcement (68HERW26R0102), due November 8, 2026 at 11:59 PM EST. https://abierto.us/opportunities/68herw26r0102
- System of systems Technology Integration Tool Chain for Heterogeneous Electronic Systems (STITCHES) Sources Sought (STITCHES_001), due November 14, 2026 at 1:00 PM EST. https://abierto.us/opportunities/stitches001
- Synthesis and Distribution of Drugs of Abuse and Related Compounds (75N98027R00006OT), due November 20, 2026 at 1:00 PM EST. https://abierto.us/opportunities/75n98027r00006ot

## Publications

- October 22, 2026: Special notice, due November 4, 2026. Notice bf79b55fdfdb41d89733869966ba4fa9. https://sam.gov/workspace/contract/opp/bf79b55fdfdb41d89733869966ba4fa9/view
- October 22, 2026: Special notice, due November 4, 2026. Notice f9e856b9cbd8493b8ce8c1eda5e9b40b. https://sam.gov/workspace/contract/opp/f9e856b9cbd8493b8ce8c1eda5e9b40b/view
- October 23, 2026: Special notice, due November 4, 2026. Notice ca5328285cc94aa5963e30cbe684343c. https://sam.gov/workspace/contract/opp/ca5328285cc94aa5963e30cbe684343c/view

## Points of contact

- BAA Coordinator, DARPA-SN-27-03@darpa.mil

---
Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/darpasn2703.