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No insider purchase over the last 90 days. The latest, by Nant Capital, LLC, was filed 20 Feb 2024.
Heliogen, Inc.: what insiders have been doing
Every trade that managers of Heliogen, Inc. disclose to SEC (Form 4) is tracked on this page. The company sits in the Energy sector. No insider at Heliogen, Inc. has published a filing in the past twelve months. The most recent one dates from 17 June 2025.
Over the whole record (from 2021), the tally stands at 27 purchases and 108 sales.
In the same sector, recent insider purchases at AXIA Energia S.A. and RGC Resources Inc also feature in our signals. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Insider Decl.
247
Thresholds
n/a
Buy Volume
€3M
27 ops. · all time
Sell Volume
€28M
108 ops. · all time
Who traded when
BuySalePhyllis W. Newhouse1 sale
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Financial data
as of FY 2024FY ended December 2024 · cache
Income statement
RevenueUS$17.1M
Gross profitUS$76.9M450% margin
Net incomeUS$28M164.0% margin
Last declaration on 17 June 2025
Declarations247 total
653 shares@ US$1.923.9% of flowCommon StockSEC:0001127602-25-017683:1
219 shares@ US$1.892.1% of flowCommon StockSEC:0001127602-25-017683:0
842 shares@ US$1.9239.2% of flowCommon StockSEC:0001127602-25-017677:0
1,128 shares@ US$1.9230.4% of flowCommon StockSEC:0001127602-25-017681:0
5,560 shares@ US$0.831769.6% of flowCommon StockSEC:0001127602-25-011171:0
34 shares@ US$0.90480.5% of flowCommon StockSEC:0001127602-25-009875:1
514 shares@ US$0.90487.4% of flowCommon StockSEC:0001127602-25-009875:2
795 shares@ US$0.90482.4% of flowCommon StockSEC:0001127602-25-009877:1
294 shares@ US$0.90486.9% of flowCommon StockSEC:0001127602-25-009875:0
267 shares@ US$0.9451.4% of flowCommon StockSEC:0001127602-25-009877:0
80,000 shares0Common StockSEC:0001127602-24-030132:0
2,630 shares0Common StockSEC:0001127602-24-029929:1
12,582 shares@ US$1.8821100.0% of flowCommon StockSEC:0001127602-24-029929:0
87 shares@ US$2.151.2% of flowCommon StockSEC:0001127602-24-029661:1
29 shares@ US$2.151.0% of flowCommon StockSEC:0001127602-24-029657:1
446 shares@ US$2.1515.8% of flowCommon StockSEC:0001127602-24-029657:2
653 shares@ US$2.154.8% of flowCommon StockSEC:0001127602-24-029659:1
219 shares@ US$2.113.6% of flowCommon StockSEC:0001127602-24-029661:0
219 shares@ US$2.112.6% of flowCommon StockSEC:0001127602-24-029659:0
255 shares@ US$2.1514.6% of flowCommon StockSEC:0001127602-24-029657:0
446 shares@ US$1.6511.5% of flowCommon StockSEC:0001127602-24-024140:2
653 shares@ US$1.653.5% of flowCommon StockSEC:0001127602-24-024145:1
87 shares@ US$1.650.9% of flowCommon StockSEC:0001127602-24-024142:1
29 shares@ US$1.650.7% of flowCommon StockSEC:0001127602-24-024140:1
219 shares@ US$1.651.9% of flowCommon StockSEC:0001127602-24-024145:0
25 of 247 declarations
About Heliogen, Inc.
Heliogen, Inc. is a U.S.-based energy technology company that has historically been listed on the NYSE under the ticker HLGN and later traded on the OTCQX market as the company pursued restructuring and strategic alternatives. Headquartered in Pasadena, California, United States, Heliogen was created at Idealab, the technology incubator founded by Bill Gross, and has long focused on next-generation concentrated solar power. Its business model is centered on developing and commercializing AI-enabled solar thermal solutions designed to deliver dispatchable energy rather than only intermittent power.
Heliogen’s core platform uses heliostat fields, solar receivers, thermal energy storage, and heat engines or related conversion systems. The goal is to produce high-temperature industrial heat, around-the-clock process steam, clean electricity, and, in some configurations, green hydrogen. This makes the company distinct from conventional photovoltaic developers because Heliogen emphasizes stored thermal energy that can be released on demand for industrial applications. In prior filings and disclosures, the company referenced product concepts such as HelioHeat, HelioPower, and HelioFuel, underscoring its focus on decarbonizing heavy industry and other heat-intensive use cases.
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From a competitive standpoint, Heliogen has operated as a niche technology developer in a challenging segment where differentiation depends on thermal performance, cost reduction, and the ability to move from demonstration projects to commercial-scale deployment. Its geographic footprint has remained primarily U.S.-centric, although its addressable market is global, especially in sun-rich regions and industrial markets seeking firm clean energy solutions. The company’s value proposition has targeted industrial customers, utilities, and, more recently, power-hungry data center demand through cleaner firm energy offerings.
Recent developments are material. In January 2025, Heliogen announced the conclusion of its Capella demonstration project, which it described as an important milestone for its Generation 3 CSP technology. In May 2025, the company entered into a definitive merger agreement with Zeo Energy in an all-stock transaction intended to create a broader clean energy platform. For investors, Heliogen represents a high-risk, highly thematic clean-energy technology story tied to industrial decarbonization, renewable heat, and energy storage innovation.
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