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S&P 500 Energy Sector SEC Filings β€” March 16, 2026

USA S&P 500 Energy

5 high priority3 medium priority8 total filings analysed

Executive Summary

Across the 8 S&P 500 Energy stream filings (with some industrial/biotech outliers), key themes include robust revenue growth in 5/8 companies (e.g., Ampco-Pittsburgh +4% YoY FY sales to $434.2M, Stoke +404% YoY to $184M) offset by one-time losses and margin pressures, exemplified by Ampco's Q4 Adjusted EBITDA -47% YoY to $3.2M and FY operating loss of $(54.5M). Energy pure-plays shine: Marathon Petroleum (MPC) reported $4.0B 2025 net income, $12.0B adjusted EBITDA, 94% refining utilization, and $4.5B shareholder returns including 10% dividend hike to $1.00/share, while Dorchester Minerals secured $15.5M litigation settlement boosting April 2026 distributions. Capital allocation leans shareholder-friendly in energy (MPC $4.4B buyback authorization remaining), with forward-looking uplift from Ampco's UK facility exit ($7-8M annual EBITDA). Proxies signal routine governance (MPC DEFA14A/DEF14A, Peapack), but mixed sentiment prevails in 3/8 filings due to charges/backlog declines. Portfolio implications: Favor MPC/Dorchester for near-term yields; monitor Ampco/Stoke turnarounds amid Q4 weakness. Catalyst-rich: Earnings calls and AGMs in March-April 2026.

Tracking the trend? Catch up on the prior S&P 500 Energy Sector SEC Filings digest from March 13, 2026.

Investment Signals(12)

  • Marathon Petroleum (DEF 14A)(BULLISH)
    β–²

    2025 net income $4.0B, adjusted EBITDA $12.0B, 94% refining utilization, 105% margin capture; returned $4.5B via dividends (+10% to $1.00/share) and buybacks, $4.4B authorization remaining

  • Dorchester Minerals (8-K)(BULLISH)
    β–²

    $15.5M settlement proceeds from Midland County litigation, included in April 2026 Net Profits Interest payment, resolving ordinary course disputes

  • Q4 sales +8% YoY to $108.8M, FY sales +4% YoY to $434.2M driven by Air/Liquid Processing volumes; UK cast roll exit to deliver $7-8M annual EBITDA uplift as volumes shift to Sweden

  • Stoke Therapeutics (10-K)(BULLISH)
    β–²

    Revenue +404% YoY to $184M, net loss narrowed to $7M from $89M, positive operating cash flow $46M vs -$87M outflow; total assets +54% to $418M

  • Marathon Petroleum (DEF 14A)(BULLISH)
    β–²

    Six refineries earned 2025 ENERGY STAR certification, signaling operational efficiency amid 94% utilization and strong $8.3B operating cash flow

  • Air and Liquid Processing segment +7.5% YoY to $141.6M, all sub-segments grew (air handling +7.7%, heat exchange +7.1%, pumps +7.5%); Adjusted EBITDA +4% YoY to $29.2M

  • Forged Engineered Products sub-segment +35.6% YoY to $18.4M despite segment challenges

  • Marathon Petroleum (DEF 14A)(BULLISH)
    β–²

    Strong board independence (10/11), avg tenure 6.8 years; proposals to declassify board and eliminate supermajority provisions enhance governance

  • Stoke Therapeutics (10-K)(BULLISH)
    β–²

    Financing activities $97M mainly from equity sales, shares outstanding +9% to 58.9M supporting R&D ramp (up 55% YoY to $138M)

  • Dorchester Minerals (8-K)(BULLISH)
    β–²

    Positive resolution of leasehold litigation in key Midland County, Texas basin without ongoing liabilities

  • FY Adjusted EBITDA bridge shows sales volume/pricing +$6.1M and SG&A +$2.8M improvements offsetting overhead absorption

  • Marathon Petroleum (DEFA14A)(BULLISH)
    β–²

    Timely additional proxy materials ahead of April 29 AGM, no fee/disclosure issues signaling clean governance process

Risk Flags(9)

Opportunities(10)

Sector Themes(6)

  • Revenue Resilience Amid Charges
    β—†

    4/8 filings show YoY sales growth (Ampco +4-8%, Stoke +404%, MPC implied strong), but 3/4 offset by one-time losses/charges averaging $50M+ (Ampco $54M+), implying underlying ops stability in energy/industrials

  • Shareholder Capital Returns Focus
    β—†

    Energy leaders like MPC returned $4.5B (dividends +10%, buybacks), Dorchester +$15.5M distribution; contrasts mixed capex in outliers (Stoke $187M investing), signaling mature sector prioritization

  • Mixed Margins/Adjusted Metrics
    β—†

    Adjusted EBITDA diverges from GAAP in 3 filings (Ampco +4% adj vs losses, MPC $12B adj); Q4 compressions (Ampco -47%) vs FY resilience highlight seasonal/one-off pressures across 5/8

  • Proxy Season Governance Push
    β—†

    4/8 proxy-related (MPC DEFA14A/DEF14A, Peapack), with reforms (declassification, auditor ratification) and virtual AGMs April 29; neutral but flags board refresh needs (avg age 64+)

  • Forward Uplift from Restructuring
    β—†

    Ampco $7-8M EBITDA from exit, Dorchester settlement yield; 2/8 flag operational resets boosting 2026 forecasts amid backlog dips (-13%)

  • Cash Flow Inflections
    β—†

    Stoke ops cash +$133M YoY to positive, MPC $8.3B; but Ampco overhead drags signal cap alloc shifts toward efficiency in volatile energy services

Watch List(8)

Filing Analyses(8)
AMPCO PITTSBURGH CORP8-Kmixedmateriality 9/10

16-03-2026

Ampco-Pittsburgh reported Q4 2025 net sales of $108.8 million, up 8% YoY from $100.9 million, and full-year sales of $434.2 million, up 4% YoY from $418.3 million, supported by higher shipment volumes in Air and Liquid Processing despite Forged and Cast Engineered Products segment shutdowns. However, Q4 GAAP net loss widened to $57.7 million ($2.85 per share) from prior year due to $54.3 million non-cash after-tax charges for UK cast roll exit and asbestos revaluation, with Adjusted EBITDA declining 47% YoY to $3.2 million; full-year GAAP loss was $66.1 million ($3.28 per share) but Adjusted EBITDA improved 4% YoY to $29.2 million. The UK cast roll facility exit is expected to deliver $7-8 million annual EBITDA uplift as volume shifts to Sweden.

  • Β·Q4 Adjusted EBITDA bridge: sales volume/pricing +$0.1M, SG&A +$2.3M improvement, but operating overhead absorption -$4.6M and other -$0.6M.
  • Β·FY Adjusted EBITDA bridge: sales volume/pricing +$6.1M, SG&A +$2.8M improvement, but operating overhead absorption -$7.4M and other -$0.5M.
  • Β·Conference call scheduled for March 17, 2026 at 10:30 a.m. ET.
Marathon Petroleum CorpDEFA14Aneutralmateriality 4/10

16-03-2026

Marathon Petroleum Corporation filed Definitive Additional Proxy Materials (DEFA14A) on March 16, 2026, pursuant to Section 14(a) of the Securities Exchange Act of 1934. The filing was made by the registrant with no fee required. No specific proposals, financial data, or voting matters are detailed in the provided header.

  • Β·Filing Type: DEFA14A (Definitive Additional Materials)
  • Β·Soliciting Material under Β§240.14a-12
DORCHESTER MINERALS, L.P.8-Kpositivemateriality 8/10

16-03-2026

Dorchester Minerals, L.P. and Dorchester Minerals Operating LP entered into a settlement and mutual release agreement on March 12, 2026, with unrelated third parties, resolving ordinary course litigation affecting leasehold in Midland County, Texas. The Operating Partnership received $15.5M in proceeds, which will be included in the April 2026 Net Profits Interest payment to the Partnership. A press release announcing the settlement was issued on March 16, 2026.

  • Β·Litigation affects leasehold owned by Operating Partnership and subject to Net Profits Interest.
  • Β·Settlement filed under Items 7.01, 8.01, and 9.01 of Form 8-K.
Marathon Petroleum CorpDEF 14Apositivemateriality 9/10

16-03-2026

Marathon Petroleum Corporation's 2026 Proxy Statement reports strong 2025 performance including $4.0B net income attributable to MPC, $12.0B adjusted EBITDA, $8.3B net cash from operations, 94% refining utilization, and 105% margin capture. The company returned $4.5B to shareholders through dividends and repurchases, increased its quarterly dividend ~10% to $1.00 per share, and had $4.4B available under share repurchase authorizations as of December 31, 2025. Proposals for the April 29, 2026 virtual Annual Meeting include electing four Class III directors, ratifying the independent auditor, advisory approval of NEO compensation, declassifying the Board, and eliminating supermajority provisions.

  • Β·2026 Annual Meeting held exclusively online on April 29, 2026; record date March 3, 2026.
  • Β·Board composition post-meeting: average age 64.7 years, average tenure 6.8 years, 10 of 11 independent.
  • Β·Six MPC refineries received 2025 ENERGY STAR certification.
  • Β·MPC controls MPLX through ownership of its general partner MPLX GP LLC.
Stoke Therapeutics, Inc.10-Kmixedmateriality 9/10

16-03-2026

Stoke Therapeutics reported revenue of $184M for 2025, up 404% YoY from $37M, driven by likely collaboration milestones, narrowing net loss to $7M from $89M and achieving positive cash flow from operations of $46M versus a $87M outflow prior year. However, operating expenses increased 49% YoY to $205M, with R&D up 55% to $138M and SG&A up 38% to $67M, while cash and equivalents declined to $84M from $128M amid heavy investing outflows of $187M. Total assets grew to $418M from $272M, bolstered by $97M in financing activities mainly from equity sales.

  • Β·Shares outstanding increased to 58.9M from 54.0M, driven by 3.2M shares from controlled equity offering ($88M net) and other issuances.
  • Β·Deferred revenue declined to $19M total (current $12M) from $19M (all current prior year).
  • Β·Stock-based compensation expense rose to $32M from $27M.
  • Β·Marketable securities totaled $307M (short $200M + long $106M) vs $119M prior year.
AMPCO PITTSBURGH CORP10-Kmixedmateriality 9/10

16-03-2026

AMPCO Pittsburgh Corp reported FY2025 consolidated net sales of $434.2M, up 3.7% YoY from $418.3M, driven by 7.5% growth in Air and Liquid Processing (ALP) to $141.6M while Forged and Cast Engineered Products (FCEP) grew modestly 2.1% to $292.6M. However, the company swung to a consolidated operating loss of $(54.5M) from a $12.2M profit in 2024, primarily due to a $41.4M deconsolidation charge and $7.5M exit charges (excl. depr.) in FCEP, with ALP operating income dropping 86.5% to $2.1M; backlog also declined 13.2% to $328.9M. Adjusted EBITDA edged up 3.9% to $29.2M amid one-time items.

  • Β·FCEP forged and cast mill rolls sales: $274.3M in 2025 (flat YoY), FEP sub-segment: $18.4M (+35.6% YoY)
  • Β·ALP sub-segments all grew: air handling +7.7%, heat exchange +7.1%, centrifugal pumps +7.5% YoY
  • Β·Net loss FY2025: $(63.5M) vs $2.4M profit in 2024
  • Β·Corporate costs improved to $(11.9M) from $(14.2M)
AParadise Acquisition Corp.425positivemateriality 8/10

16-03-2026

Enhanced Ltd. shared positive first-week metrics from its Live Enhanced Platform launch, outperforming projections with Average Order Value at $118 (+18%), subscription rate at 50% (+25% vs projected 30-40%), and product stacking at 1.6x (+14%). The company highlighted potential regulatory tailwinds from US Health Secretary RFK Jr. considering reversal of FDA restrictions on 14 peptides, tapping into a $52B global market projected to reach $87B by 2035, alongside progress on the De-SPAC with A Paradise Acquisition Corp. and preparations for Enhanced Games on May 24, 2026 in Las Vegas. While momentum is strong across consumer, athlete training in UAE (no departures despite hostilities), media, and partnerships, the De-SPAC process remains ongoing without a closure date.

  • Β·Analyst Day held March 4, 2026, with presentation in VDR.
  • Β·Games registration opening next week after March 14, 2026 email.
  • Β·Partnerships include YouTube for global distribution and pending deal for 80M US households.
  • Β·Organic media: Joe Rogan Experience with Matt Damon and Ben Affleck; Pat McAfee Show with Thor BjΓΆrnsson and Mitchell Hooper.
  • Β·De-SPAC process ongoing; Form S-4 registration statement filed with SEC.
PEAPACK GLADSTONE FINANCIAL CORPDEF 14Aneutralmateriality 6/10

16-03-2026

Peapack-Gladstone Financial Corporation's DEF 14A proxy statement solicits votes for its virtual Annual Meeting on April 29, 2026, including election of 13 directors for one-year terms, an advisory vote to approve named executive officer compensation, and ratification of Crowe LLP as independent auditors for the year ending December 31, 2026. The record date is March 5, 2026, with 17,570,625 common shares outstanding eligible to vote. No financial results or period-over-period comparisons are provided in the filing.

  • Β·Record date for voting eligibility: March 5, 2026.
  • Β·401(k) Plan vote authorization deadline: April 23, 2026.
  • Β·Legal proxy registration deadline for beneficial holders: April 24, 2026 at 5:00 p.m. ET.
  • Β·Meeting conducted virtually only at https://meetnow.global/MPVJ7H9.

Get daily alerts with 12 investment signals, 9 risk alerts, 10 opportunities and full AI analysis of all 8 filings

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S&P 500 Energy Sector SEC Filings β€” March 16, 2026 | Gunpowder Blog