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S&P 500 Energy Sector SEC Filings β€” March 27, 2026

USA S&P 500 Energy

3 high priority4 medium priority7 total filings analysed

Executive Summary

Across the 7 filings in the USA S&P 500 Energy intelligence stream, proxy statements dominate (4/7 filings for Ampco Pittsburgh and EOG Resources), signaling the start of 2026 proxy season with neutral sentiment and unanimous board recommendations FOR director elections, say-on-pay votes, and auditor ratifications at AGMs on May 8 (Ampco) and May 20 (EOG). Knightscope's FY2025 10-K provides the only substantive financials, revealing 5% YoY revenue growth to $11.3M (services +7% to $8.0M, products +1% to $3.4M) but sharply deteriorating gross margins to -42% from -34% (-800bps), operating loss expansion to $33.9M driven by 77% R&D surge to $12.5M, and net loss to $33.8M (+6.5% YoY), offset by cash build to $20.6M via $42.2M financing (+22% YoY). Hallador Energy reported a contestable MSHA imminent danger order at Oaktown Mine with no injuries or production halt (mixed sentiment), while Stoke Therapeutics completed a clean auditor switch to EY for FY2026 (neutral). No insider trading, M&A, or capital allocation details emerged; forward-looking focuses on 2026 auditors and AGMs. Sector themes include governance routine amid isolated profitability erosion and regulatory watch items, implying neutral portfolio positioning with low materiality (avg 6.4/10) but actionable AGM catalysts.

Tracking the trend? Catch up on the prior S&P 500 Energy Sector SEC Filings digest from March 25, 2026.

Investment Signals(12)

  • β–²

    Total revenue +5% YoY to $11,335k from $10,805k, marking modest top-line expansion

  • β–²

    Service revenue +7% YoY to $7,968k, outpacing overall growth and signaling core business strength

  • β–²

    Net cash from financing +22% YoY to $42,207k, bolstering liquidity

  • β–²

    Cash and equivalents improved to $20,566k, providing runway amid investments

  • β–²

    Total stockholders’ equity +76% YoY to $27,766k despite losses

  • β–²

    Unanimous Board recommendation FOR all AGM proposals including directors and comp (DEF 14A/DEFA14A)

  • β–²

    Board recommends FOR director elections, Deloitte ratification for 2026, and say-on-pay (DEF 14A/DEFA14A)

  • β–²

    MSHA order resolved immediately with equipment de-energized, no injuries or production interruption

  • Auditor dismissal/change to EY with no disagreements on accounting or disclosures for 2024-2025, prior reports unqualified

  • β–²

    Product revenue +1% YoY to $3,367k stable but lagging services

  • β–²

    Gross loss widened to $4,775k or 42% of revenue from 34% (-800bps YoY)

  • β–²

    Net loss +6.5% YoY to $33,815k, operating loss to $33,891k

Risk Flags(8)

Opportunities(10)

Sector Themes(6)

  • Proxy Season Onset(GOVERNANCE THEME)
    β—†

    4/7 filings (Ampco x2, EOG x2) detail 2026 AGMs May 8-20 with board FOR votes, neutral sentiment signals stable governance across energy/industrials

  • Profitability Erosion in Growth Filers(FINANCIAL THEME)
    β—†

    Knightscope sole 10-K shows revenue +5% YoY but margins -800bps and losses +6.5%, highlighting capex/R&D tradeoffs (1/7 filings but outlier)

  • Regulatory Exposure in Mining/Energy(REGULATORY THEME)
    β—†

    Hallador MSHA order (mixed sentiment) underscores safety risks in coal ops, no impact but contest needed

  • Auditor Stability Transitions(AUDIT THEME)
    β—†

    Stoke clean switch to EY for 2026 (no disagreements), neutral but flags potential for refreshed reporting (1/7)

  • Capital Infusion Patterns(CAPITAL THEME)
    β—†

    Knightscope $42.2M financing +22% YoY drove cash/equity gains, dilution risk but supports investment phase

  • Neutral Sentiment Dominance(SENTIMENT THEME)
    β—†

    5/7 neutral (proxies/audit), 2/7 mixed (Knightscope/Hallador), low avg materiality 6.4/10 implies muted sector catalysts

Watch List(8)

  • Ampco Pittsburgh AGM
    πŸ‘

    May 8, 2026 at Duquesne Club Pittsburgh, vote by May 7 11:59PM ET, monitor director/comp votes [WATCH May 8]

  • EOG Resources AGM
    πŸ‘

    Virtual May 20, 2026 7:30AM CT at www.virtualshareholdermeeting.com/EOG2026, vote by May 19 [WATCH May 20]

  • Hallador Energy MSHA Order
    πŸ‘

    Contest of imminent danger at Oaktown Mine #1 (Knox Co, IN), track resolution timeline post-Mar 25 [WATCH Q2 2026]

  • Knightscope Post-10K
    πŸ‘

    FY2025 results with dilution/shares +200%, watch trading reaction and Q1 updates [WATCH Ongoing]

  • Stoke Therapeutics Auditor
    πŸ‘

    EY performance for FY2026 ending Dec 31, any early reportable events post-Mar 23 switch [WATCH FY2026]

  • Ampco Pittsburgh Proxy Requests
    πŸ‘

    Paper copies by Apr 24, 2026 via ProxyVote.com, gauge retail engagement [WATCH Apr 24]

  • EOG Resources Proxy Materials
    πŸ‘

    Requests by May 6, 2026, comp disclosures 2021-2025 for alignment signals [WATCH May 6]

  • Hallador Energy Safety Metrics
    πŸ‘

    MSHA ID# 12-02394 developments, potential fines or ops precedent [WATCH Q2 2026]

Filing Analyses(7)
AMPCO PITTSBURGH CORPDEF 14Aneutralmateriality 5/10

27-03-2026

Ampco-Pittsburgh Corporation's DEF 14A proxy statement, filed March 27, 2026, outlines the Annual Meeting on May 8, 2026, to elect J. Brett McBrayer and Darrell L. McNair as directors for terms expiring in 2029, conduct a non-binding advisory vote on named executive officer compensation, and ratify BDO USA, P.C. as the independent auditor for 2026. The Board unanimously recommends voting FOR all proposals, with the record date set as March 12, 2026. No financial performance metrics or period-over-period comparisons are detailed in the provided content.

  • Β·Annual Meeting location: Founders Room, 1st Floor, The Duquesne Club, 325 Sixth Avenue, Pittsburgh, Pennsylvania at 10:00 A.M. Eastern Time
  • Β·Proxy materials and 2025 Annual Report available at http://www.ampcopgh.com/investors
  • Β·Meeting replay available on www.ampcopgh.com/investors
AMPCO PITTSBURGH CORPDEFA14Aneutralmateriality 7/10

27-03-2026

Ampco-Pittsburgh Corporation issued definitive additional proxy materials (DEFA14A) for its 2026 Annual Meeting scheduled for May 8, 2026, at 10:00 A.M. EDT at The Duquesne Club in Pittsburgh, PA. Shareholders are asked to vote on the election of directors J. Brett McBrayer and Darrell L. McNair, an advisory vote to approve named executive officer compensation, and ratification of BDO USA, P.C. as the independent auditor for 2026; the Board recommends voting FOR all proposals. Proxy materials are available online at www.ProxyVote.com, with paper copies requestable by April 24, 2026.

  • Β·Vote by May 7, 2026, 11:59 PM ET via www.ProxyVote.com
  • Β·Meeting location: Founders Room, 1st Floor, The Duquesne Club, 325 Sixth Avenue, Pittsburgh, PA 15222
  • Β·Request proxy materials by April 24, 2026 via www.ProxyVote.com, 1-800-579-1639, or sendmaterial@proxyvote.com
EOG RESOURCES INCDEFA14Aneutralmateriality 7/10

27-03-2026

EOG Resources, Inc. filed definitive additional proxy materials (DEFA14A) on March 27, 2026, for its 2026 Annual Meeting of Stockholders on May 20, 2026. Key proposals include electing nine directors, ratifying Deloitte & Touche LLP as auditors for the year ending December 31, 2026, and a non-binding advisory vote to approve named executive officer compensation, with the Board recommending 'For' all items.

  • Β·Meeting details: May 20, 2026, 7:30 A.M. Central Time, virtually at www.virtualshareholdermeeting.com/EOG2026
  • Β·Vote by: May 19, 2026, 11:59 PM ET at www.ProxyVote.com
  • Β·Request paper/email copies of proxy materials by May 6, 2026 via www.ProxyVote.com, 1-800-579-1639, or sendmaterial@proxyvote.com
EOG RESOURCES INCDEF 14Aneutralmateriality 7/10

27-03-2026

EOG Resources, Inc. issued its definitive proxy statement for the 2026 annual meeting of stockholders, to be held virtually on May 20, 2026, at 7:30 a.m. Central Time. Voting matters include the election of nine directors, ratification of Deloitte & Touche LLP as independent auditors for the year ending December 31, 2026, and a non-binding advisory vote on executive compensation. The record date is March 23, 2026, with proxy materials available online since March 27, 2026.

  • Β·Annual Meeting location: virtual-only via live webcast at www.virtualshareholdermeeting.com/EOG2026
  • Β·Proxy materials first distributed on or about March 27, 2026
  • Β·Compensation disclosures reference periods from 2021 through 2025 for Mr. Yacob and others
Stoke Therapeutics, Inc.8-Kneutralmateriality 5/10

27-03-2026

On March 23, 2026, the Audit Committee of Stoke Therapeutics, Inc. dismissed KPMG LLP as its independent registered public accounting firm, with no disagreements on accounting principles, financial disclosures, auditing scope, or reportable events during the fiscal years ended December 31, 2025 and 2024, and the interim period through March 23, 2026. Simultaneously, the Audit Committee appointed Ernst & Young LLP as the new independent registered public accounting firm for the fiscal year ending December 31, 2026, with no prior consultations on relevant matters during the specified periods. KPMG provided a concurring letter dated March 27, 2026, filed as Exhibit 16.1.

  • Β·KPMG's reports on consolidated financial statements for fiscal years ended December 31, 2025 and 2024 were unqualified.
  • Β·The filing includes Exhibit 16.1 (KPMG letter) and Exhibit 104 (Cover Page Interactive Data File).
Knightscope, Inc.10-Kmixedmateriality 8/10

27-03-2026

Knightscope reported total revenue of $11,335 thousand for FY 2025, up 5% YoY from $10,805 thousand, driven by 7% growth in service revenue to $7,968 thousand while product revenue grew only 1% to $3,367 thousand. However, gross loss widened to $4,775 thousand (42% of revenue) from $3,699 thousand (34%), operating loss increased to $33,891 thousand due to R&D expenses surging 77% to $12,486 thousand, and net loss rose to $33,815 thousand from $31,734 thousand. Cash and equivalents improved to $20,566 thousand, supported by $42,207 thousand in financing activities.

  • Β·Class A Common Stock shares outstanding increased to 12,194,078 from 4,065,347, indicating significant dilution.
  • Β·Net cash provided by financing activities rose to $42,207 thousand from $34,475 thousand.
  • Β·Total stockholders’ equity grew to $27,766 thousand from $15,781 thousand.
  • Β·Accounts receivable, net increased to $2,142 thousand from $1,731 thousand.
HALLADOR ENERGY CO8-Kmixedmateriality 6/10

27-03-2026

On March 25, 2026, Sunrise Coal, LLC, a subsidiary of Hallador Energy Company, received an imminent danger order from MSHA under Section 107(a) of the Mine Act at Oaktown Fuels, Mine No. 1 in Knox County, Indiana, alleging an electrician performed work on non-de-energized equipment. The company immediately de-energized the equipment, resulting in no injuries or production interruption. Hallador disagrees that the condition constituted imminent danger and intends to contest the order.

  • Β·MSHA ID# 12-02394
  • Β·Mine located in Knox County, Indiana

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