Protocol Labs, Inc.
Computers · San Francisco, California
Protocol Labs, Inc. is a computers company based in San Francisco, California, incorporated in 2014. It has raised at least $403.6 million across 6 known rounds, of which $203.6 million was reported to the SEC on 5 Form D filings, most recently in 2017.
Protocol.com is a verified premium domain available for purchase. Buy now or pay in installments. Free transaction support, no extra fees.
| Date | Round | Amount | Raised to date | Lead investor | Source |
|---|---|---|---|---|---|
| 2021-01-11 | — | $200.0M | $403.6M | Round pagesource ↗ | |
| 2017-08-25 | —+1 amd | $148.2M | $203.6M | SEC Form D | |
| 2017-08-07 | —+1 amd | $51.7M | $55.4M | SEC Form D | |
| 2016-05-23 | — | $3.7M | $3.7M | SEC Form D |
SEC rows are Form D filings, where the amount is what was actually sold and amendments update a round rather than adding one. Press rows are split between company-issued releases or wires and editorial or third-party coverage. The total is therefore a floor: a round nobody reported is a round we cannot see. A buyout or control change appears in the timeline but is never added to the total: that money goes to shareholders, not into the company.
Form D is the notice a company files with the SEC when it sells securities without registering them. It reports the amount sold, not a valuation. Figures here are what the filing says. Where a filing is silent, the field is left blank rather than estimated. “Total raised” adds press-reported rounds that never appear in a filing, so it is a floor rather than an audited sum: press amounts are the figures the company announced, and a round nobody reported is a round we cannot see.