K5 and other security robots

1. 5

   Regulator-cleared or mass market

   A regulator has cleared it where approval applies: FDA clearance or approval for a medical robot, a permit to run with no one aboard for a self-driving vehicle, or an FAA approval for routine drone flights. Or: Widely sold: sales in the hundreds of thousands, or a product category you can buy in ordinary shops.

2. 4

   Paying customersThis robot

   Delivered to customers who pay for it, beyond a trial, or a paid service the public can use.

   Placed by: Knightscope reported $9.0 million of revenue for April to June 2026, up 228% on a year earlier, helped by the guard company it bought. It said it serves 434 clients in 42 states (12 Aug 2026).

3. 3

   Pilot

   Working with a named customer in a real setting, as a trial.

4. 2

   Pre-orders

   Orders, reservations or deposits taken, with nothing delivered yet.

5. 1

   Demo only

   Shown in videos, staged events or a factory, with no units working for customers.

What we couldn't confirm. Cash fell to $8.2 million at 30 June 2026 from $20.6 million at end-2025, per the 10-Q. No count of robots in service was found.