Bolt Projects Holdings, Inc. (BSLK)
Bolt Projects Holdings, Inc. develops and produces biomaterials products in the United States. It offers b-silk and xl-silk that are biodegradable and vegan protein polymer and replacement for silicone elastomers in beauty and personal care. The company was founded in 2009 and is based in San Francisco, California.
Sector: Industrial Organic Chemicals
Industry: Chemicals - Specialty
Bolt Projects Holdings, Inc.
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
based on 4.37M shares outstanding
USBolt Projects Holdings, Inc., a company specializing in innovative material solutions, is headquartered in San Francisco, California.
Its offerings include B-SILK PROTEIN, an eco-friendly, biodegradable component developed for the beauty and personal care sector. Furthermore, the company's product line features MYLO, a sustainable leather alternative crafted from mycelium, and MICROSILK, a unique silk fiber.
Leadership
Christine Battist
Cintia Nardi
President
Daniel Widmaier
Co-Founder, Chairman & Chief Executive Officer
David Breslauer
Co-Founder, Chief Technology Officer, Chief Product Officer & Director
Employees
14
Country
US
Sector
Basic Materials
Website
boltthreads.com
| Insider | Title | Type | Shares | Value | Date |
|---|---|---|---|---|---|
 Slattery Paul Joseph | GENERAL COUNSEL & SECRETARY | Grant/Award | 21.1K | -- | Feb 9, 2026 |
 Breslauer David Nate | CHIEF TECHNOLOGY OFFICER | Grant/Award | 46.3K | -- | Feb 9, 2026 |
 Widmaier Daniel Matthew | CHIEF EXECUTIVE OFFICER | Grant/Award | 46.3K | -- | Feb 9, 2026 |
| Slattery Paul Joseph | GENERAL COUNSEL & SECRETARY | Sale | 819 | $1.4K | Nov 19, 2025 |
 Befumo Randy | INTERIM CFO | Grant/Award | 17.7K | -- | Nov 12, 2025 |
 Carpio Ransley Keoni | Director | Grant/Award | 750 | -- | Aug 29, 2025 |
| Name | Shares | % | Source |
|---|---|---|---|
BAILLIE GIFFORD & CO | 123.3K | 2.8% | 13F |
 Befumo Randy INTERIM CFO | 73.0K | 1.7% | FORM 4 |
 Widmaier Daniel Matthew CHIEF EXECUTIVE OFFICER, Director | 36.8K | 0.8% | FORM 4 |
 Breslauer David Nate CHIEF TECHNOLOGY OFFICER, Director | 29.2K | 0.7% | FORM 4 |
 Finard Jeri B Director | 9.6K | 0.2% | FORM 4 |
 Nardi Cintia PRESIDENT | 6.6K | 0.2% | FORM 4 |
 FIDDLER JERRY Director | 5.9K | 0.1% | FORM 4 |
Ancora Advisors LLC BSLKW | 4.4K | -- | 13F |
 KLOSK STEVEN M Director | 3.6K | 0.1% | FORM 4 |
 Naffakh Sami Pascal Director | 2.6K | 0.1% | FORM 4 |
Insiders
- Slattery Paul JosephGENERAL COUNSEL & SECRETARY
- Breslauer David NateCHIEF TECHNOLOGY OFFICER
- Widmaier Daniel MatthewCHIEF EXECUTIVE OFFICER
- Befumo RandyINTERIM CFO
- Carpio Ransley KeoniDirector
- Zauder GailDirector
- BATTIST CHRISTINEDirector
- Lucree Lorne ChristopherDirector
- FIDDLER JERRYDirector
- Finard Jeri BDirector
Top institutional holders
based on 4.37M shares outstanding
US30d Avg
3.77K
60d Avg
3.83K
90d Avg
5.59K