Bolt Projects Holdings, Inc.: insider trades · United States · SEC (Form 4)

About Bolt Projects Holdings, Inc.

Bolt Projects Holdings, Inc. (ticker: BSLK) is a US-listed company traded on the NASDAQ in the United States, focused on biomaterials for the beauty and personal care market. The business traces its roots to Bolt Threads, which was founded in 2009 by Dan Widmaier, David Breslauer, and Ethan Mirsky around the idea of engineering proteins and biomaterials for high-performance applications. Bolt Projects Holdings took its current form after the business combination completed on August 13, 2024, when Bolt Threads merged with Golden Arrow Merger Corp. and the combined company adopted the name Bolt Projects Holdings, Inc. In that sense, the company is best understood as a niche biomaterials platform rather than a broad-based consumer products company. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1841125/000184112525000017/bslk-20241231.htm)) Operationally, Bolt’s core commercial engine is its Vegan Silk Technology Platform, led by b-silk™ and xl-silk™. These ingredients are positioned as biodegradable, film-forming, functional materials used in beauty formulations, with the company stating that b-silk has been on the market since 2019. Bolt also notes that it began commercializing b-silk in direct-to-consumer products in 2018 and in business-to-business products in 2020. Revenue remains highly concentrated in these products, which makes the investment case closely tied to adoption by consumer product companies, scale-up of manufacturing, and the company’s ability to sustain customer demand while preserving margins. Bolt also highlights a meaningful patent estate across the US and international markets, supporting its competitive moat in an emerging specialty materials category. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1841125/000184112525000017/bslk-20241231.htm)) Geographically, Bolt is remote-first and, per its 2024 Form 10-K, does not currently maintain a formal headquarters. The company describes itself as based in Berkeley, California, and it also leases a small amount of laboratory space in Hayward, California. Its footprint includes personnel and consultants in the United States, Canada, and the Netherlands, but the business remains operationally concentrated and relatively small in scope. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1841125/000184112525000017/bslk-20241231.htm)) From a market-position standpoint, Bolt competes in a crowded specialty ingredients space where differentiation depends on performance claims, sustainability, regulatory acceptability, and the ability to scale economically. Recent developments have been significant: the company raised private financing in 2025, reported quarterly results showing revenue progression and improving gross margins, and in February 2026 announced plans to voluntarily delist from Nasdaq and deregister with the SEC after being suspended from trading due to noncompliance with Nasdaq’s minimum equity standard. For investors, that sequence underscores a company with innovative technology and limited-scale commercial traction, but also with elevated execution, liquidity, and listing-risk considerations. ([nasdaq.com](https://www.nasdaq.com/press-release/bolt-projects-holdings-reports-q2-2025-financial-results-2025-08-12?utm_source=openai))