Fieldstone Bio, Inc.
High-resolution environmental and operational sensors for real-time data collection and decision support
- Sector
- UNCERTAIN
- Headquarters
- ANDOVER, MA
- Founded
- 2023
- Latest Form D
- $5.9M, Jan 2025
- Total capital
- $7.9M
- Federal grants
- $2M
- 1 award · 2026
- At sector median 1 award
- Private capital raised
- $5.9M
- 1 Form D · last Jan 2025
- 21 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 0
- 2 pending
Capital timeline
Latest events
- Federal grantEnergy · Fieldstone Bio, Inc. : New Award Control # 3593-1523, DE-FOA-0003593 (rocks Sbir-sttr) Project Title: Rapid In Situ Core Characterization Using Synthetic Biology Fieldstone’s Arpa-e Rocks Project Will Develop The First Field-deployable System That Uses Living Microbial Sensors To Measure Critical Minerals Directly On Drill Cores, Providing Fast, Non-destructive, And Highly Sensitive Metal Detection For Mineral Exploration. Today, Exploration Teams Must Send Core Samples To Off-site Laboratorie$2M
- Private capital raisedForm D · SEC · 1st filing$5.9M
Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.
Standing in UNCERTAIN · 47 companies
Line = median- Federal contracts#3 · top 6%
Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.
Founders and team
From SEC Form D filings- Brandon FieldsDirectorNamed in SEC Form D filings
- Calvin ChinDirectorNamed in SEC Form D filings
- Patrick StoneExecutive Officer, DirectorNamed in SEC Form D filings
What it has protected
USPTO · 0 granted of 2- PendingSystem And Method For Detecting Chemicals Using Hyperspectral Imaging And AI ProcessingUSPTOApplication 19350648
- PendingSystem And Method For Detecting Chemicals Using Hyperspectral Imaging And AI ProcessingUSPTOApplication 63703881
Related companies, and why
- Innotronics LLCSimilar federal contract value in UNCERTAIN · null in contracts
- MeshPlusPlus, Inc.Similar federal contract value in UNCERTAIN · null in contracts
- ADDITIVE MONITORING, INC.Similar federal contract value in UNCERTAIN · null in contracts
- BASS AGRITECH, INCSimilar federal contract value in UNCERTAIN · null in contracts
- OLKIN OPTICS LLCSimilar federal contract value in UNCERTAIN · null in contracts
Sources
Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.
How to read this page
Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.
Data freshness
SEC Form D filings through . SBIR and STTR awards through .