# Simple-Fill funding: rounds and investors

> Simple-Fill has raised $3.5M across 5 rounds since 2014. Investors include Rev1 Ventures, TechColumbus and Carmen Innovations. Every round with its source.

Source: https://millionrounds.com/company/simple-fill (Millionrounds; every figure on the page links to its filing or article)

United States · [Funded startup](https://millionrounds.com/companies)

# Who invested in *Simple-Fill*

5 rounds we have observed, with the 4 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Energy

Funding summary Updated 26 Oct 2026

**$3.5M** raised across 5 rounds since 2014, from 5 sources

**$170K** Debt **$1.7M** Venture **$1.7M** Round

- **Latest round:** Round, $1.7M Mar 2018
- **Investors:** 4

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2014 2015 2016 2017 2018

**?** Seed

**$170K** Debt

**?** Round

**$1.7M** Venture

**$1.7M** Round

- **First round:** Seed
- **Biggest round:** $1.7M
- **Usual gap between rounds:** 11 months

## The rounds

- **Mar 2018** Round **$1.7M** *2 new* Carmen Innovations Worthington Industries/ Rev1 Reported by FinSMEs
- **Nov 2015** Venture **$1.7M** No investor was named in the report. From a historical funding record SEC filing: $1.7M sold, first sale Oct 2015
- **Dec 2014** Round **Amount undisclosed** *1 returning* [Rev1 Ventures](https://millionrounds.com/fund/rev1-ventures) From a historical funding record SEC filing: $170K sold, first sale Aug 2014
- **Aug 2014** Debt **$170K** *1 new* [Rev1 Ventures](https://millionrounds.com/fund/rev1-ventures) From a historical funding record SEC filing: $170K sold, first sale Aug 2014
- **Jan 2014** Seed **Amount undisclosed** *1 new* [TechColumbus](https://millionrounds.com/fund/techcolumbus) From a historical funding record

## Founders and team

From the SEC filings it signed: 2 on the team.

- **Robert D. Underhill** President and Chief Executive Officer. i
- **Fabio D. Chiara** Chief Technology Officer. i

On the board, as filed i *Donald D. Caudy* *Greg D. Geib* *Joe D. Hayek* *Wayne D. Embree*

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Seed** 2014 **Debt** 2014 **Round** 2014 **Venture** 2015 **Round** 2018 [Rev1 Ventures](https://millionrounds.com/fund/rev1-ventures) [TechColumbus](https://millionrounds.com/fund/techcolumbus) Carmen Innovations Worthington Industries/ Rev1

## Everyone who backed them

[Rev1 Ventures](https://millionrounds.com/fund/rev1-ventures) Corporate VC **2** rounds

[TechColumbus](https://millionrounds.com/fund/techcolumbus) VC firm **1** round

Carmen Innovations no record of our own yet **1** round

Worthington Industries/ Rev1 no record of our own yet **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=simple-fill).

## Quick answers about Simple-Fill

### Who invested in Simple-Fill?

Simple-Fill's investors include Rev1 Ventures, TechColumbus, Carmen Innovations and Worthington Industries/ Rev1.

### How much has Simple-Fill raised?

Simple-Fill has raised $3.5M across 5 rounds since 2014. 2 rounds did not disclose an amount, so the total is a floor.

### When did Simple-Fill last raise?

Simple-Fill's most recent round was an Undisclosed round of $1.7M in Mar 2018.

### What was Simple-Fill's biggest round?

Its most recent round, $1.7M in Mar 2018, is also its largest on record.

### Who backed Simple-Fill first?

Simple-Fill's first round on record, in Jan 2014, was backed by TechColumbus.

### What stage is Simple-Fill at?

Simple-Fill's latest named round is an Undisclosed round, in Mar 2018.

### Where is Simple-Fill based?

Simple-Fill is based in the United States.

## Companies like Simple-Fill

In the same sector, and raised in the last eighteen months.

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