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Solaris Energy Infrastructure (SEI) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET

Updated Oct 15, 2026, 4:00 PM ET

What changed since yesterday

SEI slides 6.1% to $65.16 on 2.0x normal volume. Closed at $65.16, -6.07% vs the prior close of $69.37. Day range $61.16–$66.72, opened at $65.01.

Last close$65.16-6.07%
Day range61.16–66.72
Open65.01
Volume5.40M
52-week range38.50–86.19
Avg volume (20d)2.75M

SEI daily analysis — what happened

A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.

Oct 15, 2026 — SEI slides 6.1% to $65.16 on 2.0x normal volume
Oct 14, 2026 — SEI slides 10.9% to $69.37 on 2.0x normal volume
Oct 13, 2026 — SEI dips 1.8% to $77.83
Oct 12, 2026 — SEI jumps 3.8% to $79.28
Oct 9, 2026 — SEI jumps 4.5% to $76.40
Oct 8, 2026 — SEI slides 4.4% to $73.08
Oct 7, 2026 — SEI slides 4.1% to $76.46
Oct 6, 2026 — SEI jumps 6.6% to $79.70, a 3-month high
Oct 5, 2026 — SEI ends flat (-0.2%) to $74.75
Oct 2, 2026 — SEI jumps 5.0% to $74.93, a 3-month high, 3 up days in a row

SEI latest news & SEC filings

Every SEC filing by or about SEI in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.

Oct 1, 2026 · 8-K — Current report

Current report — a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001193125-26-410682

Sep 23, 2026 · 8-K — Current report

Current report — a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001193125-26-399432

Sep 22, 2026 · 8-K — Current report

Current report — a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001193125-26-397255

Sep 9, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.

Source: SEC EDGAR filing 0001628280-26-061096

Sep 8, 2026 · 8-K — Current report

Current report — a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001193125-26-385257

Aug 25, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).

Source: SEC EDGAR filing 0001628280-26-058887

Aug 25, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).

Source: SEC EDGAR filing 0001628280-26-058885

Aug 25, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).

Source: SEC EDGAR filing 0001628280-26-058883

Aug 25, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).

Source: SEC EDGAR filing 0001628280-26-058880

Aug 25, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).

Source: SEC EDGAR filing 0001628280-26-058868

Aug 14, 2026 · SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0001140361-26-033168

Aug 6, 2026 · 10-Q — Quarterly report (unaudited financial statements for the quarter)

Quarterly report (unaudited financial statements for the quarter)

Quarter ended Jun 30, 2026:

Source: SEC EDGAR filing 0001628280-26-054349

Aug 6, 2026 · SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0002012383-26-003231

Aug 5, 2026 · 8-K — Current report

Current report — a filing companies must make within 4 business days of a major event

This is a results-day filing: the earnings press release is attached as an exhibit.

Source: SEC EDGAR filing 0001628280-26-053383

Jul 30, 2026 · SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0002012383-26-003092

Things to know before you trade SEI

SEI market data (last 20 sessions)

DateOpenHighLowCloseVolume
Oct 15, 202665.0166.7261.1665.165.40M
Oct 14, 202676.2776.9467.4969.375.27M
Oct 13, 202676.2578.9875.0077.832.53M
Oct 12, 202676.3279.3175.1179.282.81M
Oct 9, 202674.5677.1873.3876.401.53M
Oct 8, 202675.0475.4570.1773.082.90M
Oct 7, 202677.3978.2575.3276.462.07M
Oct 6, 202675.8080.2875.8079.703.09M
Oct 5, 202675.1675.8873.6274.751.81M
Oct 2, 202672.1975.4672.1974.932.87M
Oct 1, 202671.1772.5070.2371.381.72M
Sep 30, 202668.0272.0467.3271.182.37M
Sep 29, 202671.0071.4767.7168.342.26M
Sep 28, 202671.3672.1767.5369.152.88M
Sep 25, 202671.4371.9069.0670.971.51M
Sep 24, 202667.7370.8466.0070.102.52M
Sep 23, 202665.9267.9964.2367.431.83M
Sep 22, 202667.9468.1764.8665.672.10M
Sep 21, 202671.2871.4068.2369.092.51M
Sep 18, 202669.0070.3468.2169.665.08M

About Solaris Energy Infrastructure

Solaris Energy Infrastructure (SEI) is listed on the NYSE and classified by the SEC under “Oil & Gas Field Machinery & Equipment”. Its business address is in HOUSTON, TX. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1697500.

SEI board of directors & executives

From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).

Directors

NameRoleLatest filing
Laurie H ArgoDirectorAug 25, 2026
James R BurkeDirectorAug 25, 2026
Amanda M BrockCo-Chief Executive OfficerMar 3, 2026
Cynthia M. DurrettChief Administrative OfficerMar 3, 2026
Edgar R. Jr. GiesingerDirectorAug 25, 2026
W Howard Jr KeenanDirectorAug 25, 2026
Aj TeagueDirectorSep 9, 2026
Ray N Jr WalkerDirectorAug 25, 2026
Mario Max YzaguirreDirectorAug 25, 2026
William A ZartlerChairman and Co-CEOMar 3, 2026

Executive officers

NameTitleLatest filing
Amanda M BrockCo-Chief Executive OfficerMar 3, 2026
Cynthia M. DurrettChief Administrative OfficerMar 3, 2026
Christopher M PowellChief Legal OfficerMay 12, 2026
Kyle S. RamachandranPresidentMar 3, 2026
Stephan E TompsettChief Financial OfficerFeb 17, 2026
Christopher P. WirtzChief Accounting OfficerJun 2, 2026
William A ZartlerChairman and Co-CEOMar 3, 2026

Recent insider buys & sales

DateInsiderTypeSharesPrice
Sep 8, 2026Aj TeagueBuy3,900$64.21
Sep 8, 2026Aj TeagueBuy3,900$64.25
May 13, 2026Christopher P. WirtzSale700$77.22
May 12, 2026Laurie H ArgoSale5,200$72.88
May 11, 2026Christopher M PowellSale2,181$75.33
May 11, 2026Christopher M PowellSale25,492$74.84
May 11, 2026Christopher M PowellSale9,179$73.90
May 8, 2026Ray N Jr WalkerSale56,841$72.11
May 8, 2026Aj TeagueBuy2,750$72.98
May 8, 2026Aj TeagueBuy3,425$72.98
May 6, 2026W Howard Jr KeenanSale2,000,000$74.50
Apr 30, 2026Management Company, Llc KtrSale2,000,000$70.75
Apr 30, 2026John TumaSale2,000,000$70.75
Dec 17, 2025Cynthia M. DurrettSale47,011$44.62
Dec 17, 2025Laurie H ArgoSale2,300$44.25

SEI financials (annual, from XBRL filings)

Fiscal year endRevenueNet incomeDiluted EPSOperating cash flow
Dec 31, 2025—$30.17M—$209.10M
Dec 31, 2024—$15.81M—$59.37M
Dec 31, 2023—$24.34M—$89.35M
Dec 31, 2022$300.00M$21.16M—$68.00M
Dec 31, 2021$145.72M$-868.00K—$16.47M

Latest balance sheet: total assets $4.21B, total liabilities $3.05B, cash $824.10M (as of Jun 30, 2026).

SEI earnings / results-day log

DateFilingClose that day
Aug 5, 20268-K Item 2.02 (results)$55.57
Apr 27, 20268-K Item 2.02 (results)$70.63
Feb 24, 20268-K Item 2.02 (results)$53.46
Nov 3, 20258-K Item 2.02 (results)$53.97
Jul 24, 20258-K Item 2.02 (results)$33.84
Apr 30, 20258-K Item 2.02 (results)$21.14
Apr 29, 20258-K Item 2.02 (results)$21.18
Apr 3, 20258-K Item 2.02 (results)$18.39
Feb 21, 20258-K Item 2.02 (results)$35.96
Nov 4, 20248-K Item 2.02 (results)$13.63
Aug 8, 20248-K Item 2.02 (results)—
Jul 10, 20248-K Item 2.02 (results)—

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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 15, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.