AlphAIAlphAI — Financial news for AI agents
SEC EDGARSEP 101 min read$NPWR

8 Rivers Capital, LLC (BEAUCHAMP DAMIAN R.) sold $470K of NPWR (indirect holdings)

8 Rivers Capital, LLC sold 250,000 indirectly-held shares of Net Power Inc. (NPWR) at an average of $1.88 ($1.84–$1.94, $0.47M total) across 2 trades over 2026-09-08 to 2026-09-09. Filed jointly with BEAUCHAMP DAMIAN R. (10% owner).

Original reporting
SEC EDGAR · 8 Rivers Capital, LLC, BEAUCHAMP DAMIAN R.
Published Sep 10, 2026, 10:01 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 10, 2026, 10:02 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
About AlphAI AI DeskScoring methodologyReport an issue
AlphAI market briefInsider activity
Primary signal
$NPWR
Neutral
high confidence
Mentioned
$NPWR
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$NPWRNeutralLow
01

Why it matters

The disclosed sale is modest and does not suggest a material change in outlook for the company.

02

Market read

Limited relevance; primarily a routine insider transaction.

03

What to watch

Potential future 10b5-1 plans or upcoming corporate actions not disclosed.

Relevance 4/10Novelty 4/10Timing: filed Sep 10 2026

Background

SEC Form 4 filing reports insider transaction for Net Power Inc.

Company-level read

Ticker impact

$NPWRNeutralHigh confidence
Context

Form 4 disclosed 250,000 shares sold for $470K by 8 Rivers Capital, reducing holdings to 750,000 shares.

Expected impact

little to no immediate price impact

Evidence & confidence

Sale amount is small relative to market cap and disclosed as a routine transaction.

Market effects

Sector

minimal effect on energy sector

Regional

none

Global

none

Counterpoint

What could challenge this read

Sale could signal insider confidence if viewed as portfolio rebalancing rather than lack of faith.

Key entities

  • company
    Net Power Inc.

    Issuer of the Form 4 filing.

  • insider
    8 Rivers Capital, LLC

    Reporting entity and 10% owner.

Read at source← All news

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

NPWR insider trading history →

Related articles

SEP 3
$NPWRMed

Net Power Inc. (NPWR): Completion of Acquisition or Disposition of Assets

Net Power Inc. (NPWR) filed an SEC Form 8-K — Completion of Acquisition or Disposition of Assets. Exhibit 99.1 Net Power Closes Acquisition of EMPower’s Position Under EPC Agreement for 123 MW of Power Generation Saulsbury continues as EPC contractor; Wärtsilä to supply ten reciprocating engine-generator sets totaling 123 MW HOUSTON, TX—(BUSINESS WIRE)—September 3, 2026--Net

SEC EDGAR 8-K2 min
AUG 13
$NPWRMed

Net Power Reports Second Quarter 2026 Results

Net Power Inc. (NPWR) filed an SEC Form 8-K — Results of Operations and Financial Condition. Net Power Reports Second Quarter 2026 Results and Provides Business Update HOUSTON, TX--(BUSINESS WIRE)—August 13, 2026--Net Power Inc. (NYSE: NPWR) (“Net Power” or the “Company”) today announced its financial and operational results for the second quarter ended June 30, 2026. “W

SEC EDGAR 8-K2 min
NOV 3
$ASPEMedAI 8/10

ARCH Venture Fund X, L.P. (CRANDELL KEITH, Burow Kristina) purchased $18.0M of ASPE (indirect holdings)

ARCH Venture Fund X, L.P. purchased 1,200,000 indirectly-held shares of Aspen Neuroscience, Inc. (ASPE) at $15.00 ($18.00M total) on 2026-11-02. Filed jointly with ARCH Venture Fund X Overage, L.P. (10% owner), ARCH Venture Partners X, L.P. (10% owner), ARCH Venture Partners X Overage, L.P. (10% owner), ARCH Venture Partners X, LLC (10% owner), CRANDELL KEITH (10% owner), Burow Kristina (10% owner), GILLIS STEVEN (10% owner) and NELSEN ROBERT (10% owner).

SEC EDGAR1 min
NOV 3
$ASPELow

ARCH Venture Fund X, L.P. (CRANDELL KEITH, Burow Kristina) purchased $2.0M of ASPE

ARCH Venture Fund X, L.P. purchased 133,333 shares of Aspen Neuroscience, Inc. (ASPE) at $15.00 ($2.00M total) across 2 trades on 2026-11-02. Filed jointly with ARCH Venture Fund X Overage, L.P. (10% owner), ARCH Venture Partners X, L.P. (10% owner), ARCH Venture Partners X Overage, L.P. (10% owner), ARCH Venture Partners X, LLC (10% owner), CRANDELL KEITH (10% owner), Burow Kristina (10% owner), GILLIS STEVEN (10% owner) and NELSEN ROBERT (10% owner).

SEC EDGAR1 min