Piston
A cardless fuel-payment network connects commercial fleets and stations with real-time controls for every fill.
$15MSeries A
ParticipantSC
Spark Capital
Activity from announced rounds
Activity in this selectionOct 24, 2026 · Mobility · Jan 1, 2026
Spark Capital is a venture investor that works with founders during early company development, with an emphasis on product judgment and founder-led businesses.
Spark’s stated approach favours sustained company building over short-term resale or financial engineering. It offers direct advice while leaving founders responsible for running their companies, rather than prescribing a single operating formula.
- Rounds participated in
- 3
- Confirmed lead rounds
- 0 2 roles undisclosed
- New companies
- 2 First participation on record · 1 follow-on
- Funding in participating rounds
- $365M 3 disclosed · full round size, not this investor’s share
By stage
By primary sector
By country
Rounds
3 in this selectionNeros Technologies
Designs and manufactures autonomous and interceptor drones for military applications
$250MSeries C
Role not disclosedParallel Web Systems
Provides web infrastructure for AI agents to access the open web
$100MSeries B
Role not disclosed