Calyxo, Inc.

PLEASANTON, CA · Founded 2016 · CIK 0001668653 · Software

AI agents that generate personalized outreach messages and campaign optimization co-pilot for B2B sales

calyxoinc.com →

Grants: —; No SBIR or STTR on record; Sector median: 0
Raised: $156M; 10 Form D · Apr 2026; 6 months since last filing
Contracts: —; No federal contracts on record
Patents: 33; 8 granted · 25 pending; Sector median: 0

Capital Timeline

Federal above the line · equity below · node area scaled to amount

Federal ↑Equity ↓

201520172019202120232025

Capital and federal award history
Date	Event	Source	Amount
29 Mar 2016	Private capital raised	Form D · SEC	$50,000
25 Sept 2017	Private capital raised	Form D · SEC	$30,000
16 Aug 2018	Private capital raised	Form D · SEC	$1,602,235
08 May 2019	Private capital raised	Form D · SEC	$450,001
15 Oct 2019	Private capital raised	Form D · SEC	$12,863,376
02 Feb 2022	Private capital raised	Form D · SEC	$22,693,900
03 Nov 2023	Private capital raised	Form D · SEC	$50,000,000
26 Dec 2024	Private capital raised	Form D · SEC	$28,275,528
16 Apr 2026	Private capital raised	Form D · SEC	$40,099,963

Form D · SEC

Peer position

Software · 4096 companies · ranked on federal contract value

Software companies ranked by federal contract value
#	Company	Contracts	Disclosed equity
1975	Vivid Machines Inc.	—	$346K
1976	SITEZEUS HOLDINGS, LLC	—	$4.8M
1977	RStudio, PBC	—	$166M
1978	Calyxo, Inc.	—	$156M
1979	RITHMM, INC.	—	$4.5M
1980	Parrot AI, Inc.	—	$3.5M
1981	Pomelo Holdings Ltd	—	$104M

Ranked on federal contract value rather than capital raised. The equity column is the comparison worth making — companies at the same procurement position often sit at very different points in their funding history.

Founders & Team

From Form D filings · 11 related persons

Dave AmersonDirector
Chris BuchkoExecutive Officer
Joe CataneseDirector · Executive Officer
Ryan DrantDirector
Jacob GarfieldDirector
Robert GoforthDirector
Douglas HughesDirector · Executive Officer
Beverly HussDirector
Mark KiddExecutive Officer
Dana MeadDirector
Jee ShinDirector · Executive Officer

Patents

USPTO · 8 granted of 33

01 Sept 2026Devices And Methods For Minimally Invasive Kidney Stone Removal By Combined Aspiration And Irrigationgranted
25 Sept 2025Devices And Methods For Minimally Invasive Kidney Stone Removal By Combined Aspiration And Irrigationapplication
28 Aug 2025System And Method For Detecting And Preventing Organ Collapse During Endoscopyapplication
28 Aug 2025Kidney Stone Treatment Systemapplication
17 Jun 2025Kidney Stone Treatment Systemgranted
17 Jun 2025Kidney Stone Treatment Systemgranted
03 Jun 2025Devices And Methods For Minimally Invasive Kidney Stone Removal By Combined Aspiration And Irrigationgranted
25 Mar 2025Tool Guiding Device For Kidney Stone Treatment Apparatusgranted
31 Oct 2024System And Method For Guided Removal From An In Vivo Subjectapplication
24 Oct 2024Kidney Stone Treatment Systemapplication
17 Oct 2024Tool Guiding Device For Kidney Stone Treatment Apparatusapplication
03 Oct 2024Force-limiting Access System And Method Of Useapplication