Investments
131Portfolio Exits
18
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Latest St. Louis Arch Angels News
May 1, 2023
A Columbus fintech startup now embeds U.S. Bank digital payments in its software digitizing paper-laden invoicing for middle-market construction companies. PaperTrl Inc. also raised a seed round from St. Louis Arch Angels to speed its expansion. The amount was not disclosed. "When they did the demonstration for us, it really came alive – we could really see what it could do," said Brian Kinman, chairman of the Midwest-focused investor group. "We could really imagine why the construction industry…
St. Louis Arch Angels Investments
131 Investments
St. Louis Arch Angels has made 131 investments. Their latest investment was in PaperTrl as part of their Angel on May 5, 2023.

St. Louis Arch Angels Investments Activity

Date | Round | Company | Amount | New? | Co-Investors | Sources |
---|---|---|---|---|---|---|
5/1/2023 | Angel | PaperTrl | Yes | 1 | ||
10/7/2021 | Series A - II | Transactly | $4M | No | 2 | |
7/27/2021 | Angel | Adarza BioSystems | $0.31M | No | 1 | |
7/27/2021 | Angel - II | |||||
7/27/2021 | Angel |
Date | 5/1/2023 | 10/7/2021 | 7/27/2021 | 7/27/2021 | 7/27/2021 |
---|---|---|---|---|---|
Round | Angel | Series A - II | Angel | Angel - II | Angel |
Company | PaperTrl | Transactly | Adarza BioSystems | ||
Amount | $4M | $0.31M | |||
New? | Yes | No | No | ||
Co-Investors | |||||
Sources | 1 | 2 | 1 |
St. Louis Arch Angels Portfolio Exits
18 Portfolio Exits
St. Louis Arch Angels has 18 portfolio exits. Their latest portfolio exit was Ryvit on January 04, 2023.
Date | Exit | Companies | Valuation Valuations are submitted by companies, mined from state filings or news, provided by VentureSource, or based on a comparables valuation model. | Acquirer | Sources |
---|---|---|---|---|---|
1/4/2023 | Acquired | Trimble | 5 | ||
12/14/2022 | Acquired | 2 | |||
8/1/2022 | Corporate Majority | 1 | |||
Date | 1/4/2023 | 12/14/2022 | 8/1/2022 | ||
---|---|---|---|---|---|
Exit | Acquired | Acquired | Corporate Majority | ||
Companies | |||||
Valuation | |||||
Acquirer | Trimble | ||||
Sources | 5 | 2 | 1 |
St. Louis Arch Angels Team
1 Team Member
St. Louis Arch Angels has 1 team member, including current Founder, President, Robert J. Calcaterra.
Name | Work History | Title | Status |
---|---|---|---|
Robert J. Calcaterra | Cardialen, Nidus Center for Scientific Enterprise, and Arizona Technology Council | Founder, President | Current |
Name | Robert J. Calcaterra |
---|---|
Work History | Cardialen, Nidus Center for Scientific Enterprise, and Arizona Technology Council |
Title | Founder, President |
Status | Current |
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