Solaris Energy Infrastructure, Inc. · SEI · 5 MIN READ

SEI Stock at 1-Year High, Free Cash Flow at -$807M

Solaris Energy Infrastructure shares hit a 1-year high this week following a 6% analyst-upgrade rally, while a director bought nearly $501,000 in stock the same day the company disclosed completing an

SEI Stock at 1-Year High, Free Cash Flow at -$807M

When director AJ Teague at Solaris Energy Infrastructure, Inc. (SEI) spent $501,000 buying stock on September 8, the same day SEI disclosed completing an acquisition, it read as insider conviction. Shares have since hit a 1-year high. The complication: trailing free cash flow is deeply negative and two unregistered equity issuances have landed in roughly two months.

Solaris Energy Infrastructure, Inc. (SEI) stock analysis
Image: Basis Report
The numbers
  • Director Teague bought 7,800 shares for ~$501K on Sept. 8, the same date as SEI's acquisition disclosure.
  • Trailing free cash flow: negative $807M. Total debt: $2.51B. Two unregistered equity issuances in roughly two months.
  • Four straight earnings beats, 25.8% to 68.8% above consensus; trailing revenue up 46.9% year over year.
SEI 90-day price and volume, Jun 24 to Sep 21$43.42$61.94$80.46this story$69.09Jun 24Aug 6Sep 21
SEI 90-day price and volume, Jun 24 to Sep 21. Chart: Basis Report · market data at publish.

What Teague Saw

Solaris Energy Infrastructure changed its name from Solaris Oilfield Infrastructure in September 2024, signaling a change toward power infrastructure. Its Power Solutions segment delivers generation, control, and distribution services to data centers, energy producers, and commercial customers, including site preparation and gas pipeline construction; its Logistics Solutions segment handles oilfield completions equipment, field technicians, and software. That dual-track positioning has driven 46.9% revenue growth over the trailing twelve months. Director AJ Teague made two open-market purchases on September 8, the same date SEI filed an 8-K disclosing a completed acquisition, with zero insider selling in the prior 90 days.

Why 23.8% of Float Is Short

The enthusiasm runs into a demanding balance sheet. SEI carries $2.51 billion in total debt against $820 million in cash, and trailing free cash flow runs negative $807 million despite $425 million in operating cash generation, meaning capital expenditures are running well above the business's organic cash output. The financing pattern adds context: SEI issued unregistered equity securities in a July 6, 2026 8-K and again on September 8, two dilutive raises within roughly two months. At 23.8% short interest, the market's skeptics believe the acquisition-and-dilute flywheel cannot sustain itself without a real capex inflection.

HOW SEI STACKS UP, data at publish
TickerMkt capFwd P/E52-wk
SEI$7.0B21.8x+77.2%
FPS$12.0B19.1x+30.2%
NXT$12.8B14.4x+17.8%
PENG$2.8B16.4x+99.2%
TLN$14.4B9.8x-29.1%
SHAZ$2.1Bn/a+89.1%

When Capex Peaks, the Story Changes

Four consecutive beats ranging from 25.8% to 68.8% above consensus, a 49.9% gross margin, and a consensus price target of $96.91 against $69.09 make the bull case coherent. The question is whether the negative-FCF phase represents a finite buildout for data center customers under the Power Solutions segment, or a structural funding gap that recurring equity issuances are covering. Running a discounted cash flow model on the Power Solutions growth rate requires a view on when capex peaks; that is the number to watch over the next two quarters. If it is not moderating by mid-2027, the dilution runway shortens faster than the growth story can absorb.

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Basis Report is independent research for informational purposes. It is not investment advice and not a recommendation to buy or sell any security.

Solaris Energy Infrastructure shares hit a 1-year high this week following a 6% analyst-upgrade rally, while a director bought nearly $501,000 in stock the same day the company disclosed completing an acquisition. The enthusiasm sits uneasily with $2.51 billion in debt and trailing free cash flow of negative $807 million.
ANALYSIS
SEI
Solaris Energy Infrastructure, Inc.
SEI Stock at 1-Year High, Free Cash Flow at -$807M
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