SEC filingsOct 12, 2026 to Oct 19, 2026: insiders reported 840 purchases and sales across 212 companies.840 insider purchases and sales in 7 daysSee the filings →
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Company profile

MEC

Mayville Engineering Company, Inc.
NYSEIndustrials

Latest close: 13.90 USD · Oct 16, 2026 · 1 year · split-adjusted

On the price, the facts of the public record■Insider buy□Insider sell●Results filed
With an account, also○dividends▲splits◌next earningswith an account

End-of-day prices provided by Twelve Data · One close per session; the series does not update during the trading day.

Latest on record

The most recent facts, as filed.

Up to three of the most recent, checkable facts already loaded on this page, each linked to its source.

  1. Aug 6, 2026Reported sale · Form 4Sean P Leuba, SVP, GC & Secretary · $327.0KOpen the filing ↗
  2. Aug 6, 2026Notice of sale · Form 144Leuba Sean P · Officer · $25.7KOpen the filing ↗
  3. Aug 6, 2026Notice of sale · Form 144Leuba Sean P · Officer · $309.4KOpen the filing ↗

In numbers

What this profile holds, counted.

Closes · 1 year250
SEC filings on record38410 flagged findings
Reported transactions (Form 4)80since Apr 16, 2025
Corporate events (8-K)30since Jun 14, 2019

What the record says

Description, identity and filings, each with its source.

Every block cites its source. The colour of a finding marks its category — which document, who filed it — not how much it matters.

SEC topics

Regulatory history

Topics detected in its SEC reports, with the original excerpt.

Each topic is assigned by a classifier over the full filing; the excerpts show where it was detected and are not always enough to verify it. Open the filing to read it in full.

  • 2026-05-20share offering or dilution eventrecentOpen filing ↗
    “…the prior written consent of the Representatives, (i) offer, pledge, sell, contract to sell, sell any option or contract to…”
    +1 more passage from the same document
    • “…consent of the Representatives. Our directors and executive officers have agreed with the Representatives, subject to specified…”
  • 2026-05-19share offering or dilution eventrecentOpen filing ↗
    “…the prior written consent of the Representatives, (i) offer, pledge, sell, contract to sell, sell any option or contract to…”
    +1 more passage from the same document
    • “…consent of the Representatives. Our directors and executive officers have agreed with the Representatives, subject to specified…”
  • 2026-05-06capital return (buybacks/dividends)recentOpen filing ↗
    “…three months ended March 31, 2026, as compared to cash used in financing activities of $5,397 for the three months ended March 31,…”
    +1 more passage from the same document
    • “…​ of Shares ​ Average Price ​ Announced Plans ​ Under the Plans Period ​ ​ ​ Purchased ​ ​ ​ Paid per Share ​ ​ ​ or Programs (1) ​ ​…”

Original excerpts from SEC filings, untranslated. Not advice and not a prediction.

SEC record

SEC dossier

What this company has filed with the SEC, in plain language.

The 25 most recent filings (of 384)

Everything filed

Every SEC filing, newest first, with what it is. Below, each type with its own explanation.

  • Aug 7, 26Form 4 ↗Insider transaction
  • Notice of proposed sale · 2 Form 144 filingsshow all 2hide
  • Aug 6, 26SCHEDULE 13G ↗Passive stake · FMR LLC · 5.0% · event on Jun 30, 26
  • Aug 5, 2610-Q ↗Quarterly report
  • Aug 4, 268-K ↗Current report · Results
  • Jul 8, 26SCHEDULE 13G/A ↗Passive stake · Allspring Global Investments Holdings, LLC · 4.2% · event on Jun 30, 26 · amendment
  • Jun 12, 26Form 4 ↗Insider transaction
  • Jun 11, 26Form 144 ↗Notice of proposed sale
  • Jun 10, 26Form 4 ↗Insider transaction
  • Jun 8, 26Form 144 ↗Notice of proposed sale
  • Jun 3, 26Form 4/A ↗Insider transaction · amendment
  • Jun 2, 26Form 4 ↗Insider transaction
  • Jun 1, 26Form 144 ↗Notice of proposed sale
  • May 28, 26SCHEDULE 13G ↗Passive stake · Portolan Capital Management, LLC · 5.9% · event on May 20, 26
  • Insider transaction · 2 Form 4 filingsshow all 2hide
  • May 21, 268-K ↗Current report · Entered a material agreement
  • May 20, 26424B5 ↗Securities offering
  • May 19, 26424B5 ↗Securities offering
  • Insider transaction · 2 Form 4 filingsshow all 2hide
  • May 7, 26Form 144 ↗Notice of proposed sale
  • May 6, 2610-Q ↗Quarterly report
  • May 5, 268-K ↗Current report · Results

384 filings on record, the oldest from Mar 7, 19.

Listing the 25 most recent filings of the 384 on record.

8-Ks, explained

Structure20Governance11
  • May 21, 26StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
  • Feb 26, 26StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
  • Jul 24, 25GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
  • Jul 1, 25StructureCompleted an acquisition or disposal+1 more in the same filing8-K 2.01 ↗
  • Jun 27, 25StructureTook on a new financial obligation+2 more in the same filing8-K 2.03 ↗
  • May 27, 25StructureEntered a material agreement+1 more in the same filing8-K 1.01 ↗
  • Governance4 senior executive changes2023 – 2025show all 4hide
    • Mar 11, 25GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
    • Feb 24, 25GovernanceA senior executive left or was appointed8-K 5.02 ↗
    • Dec 11, 24GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
    • Nov 3, 23GovernanceA senior executive left or was appointed8-K 5.02 ↗
  • Jul 5, 23StructureCompleted an acquisition or disposal+1 more in the same filing8-K 2.01 ↗
  • Jun 29, 23StructureTook on a new financial obligation+2 more in the same filing8-K 2.03 ↗
  • Jun 21, 23StructureEntered a material agreement+1 more in the same filing8-K 1.01 ↗
  • Dec 21, 22GovernanceA senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
  • Jul 20, 22GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗

8 older filings not shown · The record reaches back to May 17, 19.

Corporate events are tracked from 2004-08-23, when the SEC renumbered 8-K items. Earlier filings use an incompatible numbering and are not classified here.

Ownership and control

Schedule 13G: short-form filing

The short form, for holders who meet specific requirements: institutional investors, passive investors without a control purpose, or exempt investors. Asset managers and index funds usually file it.

  • Portolan Capital Management, LLC5.9%May 20, 26SCHEDULE 13G ↗2 co-filers on this document — the figure is the largest single stake, not their sum.
  • FMR LLC5.0%Jun 30, 26SCHEDULE 13G ↗2 co-filers on this document — the figure is the largest single stake, not their sum.
  • Hilve Holdings Ltd4.9%Oct 27, 25SCHEDULE 13G/A ↗2 co-filers on this document — the figure is the largest single stake, not their sum. · 1 earlier filing
  • Allspring Global Investments Holdings, LLC4.2%Jun 30, 26SCHEDULE 13G/A ↗2 earlier filings

Structured 13D/G data starts 2023-12, when the SEC moved these filings to a machine-readable format. Earlier filings exist but are not parsed here.

Sale intention announced

On Aug 6, Leuba Sean P filed notice of intent to sell up to $26K.

A notice is not a sale: it may not go ahead, may happen in part, or at a different price.

After the notice, they sold $327K on Aug 6, per their Form 4. Their sales over those 90 days far exceed the amount announced here. 1 other notice of theirs overlaps this window.

View notice (Form 144) ↗+1 more recent notices

SEC record

Insider transactions

Buys and sells reported by officers, directors and major shareholders on SEC Form 4.

Buys and sells

  • Aug 6, 26Sell$327KSean P LeubaSVP, GC & Secretary↗
  • Jun 11, 26Sell$550KJagadeesh A ReddyPresident & CEO↗
  • Jun 8, 26Sell$46KJagadeesh A ReddyPresident & CEO↗
  • Jun 1, 26Sell$519KJagadeesh A ReddyPresident & CEO↗
  • May 26, 26Sell$520KRyan F RaberEVP - Strategy, Sales & Mktg↗
  • May 21, 26Sell$93KCraig D NicholsSVP, Operations & Supply Chain↗
  • May 7, 26Sell$266KJagadeesh A ReddyPresident & CEO↗
  • May 7, 26Sell$299KJagadeesh A ReddyPresident & CEO↗
  • Mar 5, 26Sell$50KSean P LeubaGC & Secretary↗
  • Mar 5, 26Sell$126KSean P LeubaGC & Secretary↗
  • Dec 11, 25Sell$95KSteven L Fisher↗
  • Dec 11, 25Sell$96KSteven L Fisher↗

There are 5 more transactions in this stretch.

Stock compensation, tax and giftsshow the 23 other transactionshide

Stock compensation, tax withholding, option exercises and gifts. They are listed separately and are not included in the purchase and sale totals. The type describes the transaction, not the filer's intent.

  • May 8, 26Giftamount n/aSean P LeubaSVP, GC & Secretary↗
  • Apr 21, 26Compensationamount n/aTimothy L Christen↗
  • Apr 21, 26Compensationamount n/aSteven L Fisher↗
  • Apr 21, 26Compensationamount n/aSteven L Fisher↗
  • Apr 21, 26Compensationamount n/aSteven L Fisher↗
  • Apr 21, 26Compensationamount n/aSteven L Fisher↗
  • Apr 21, 26Compensationamount n/aRobert L McCormick↗
  • Apr 21, 26Compensationamount n/aTania Wingfield↗
  • Mar 15, 26Compensationamount n/aRachele Marie LehrChief Financial Officer↗
  • Mar 15, 26Compensationamount n/aRachele Marie LehrChief Financial Officer↗
  • Mar 15, 26Tax$77KRachele Marie LehrChief Financial Officer↗
  • Mar 15, 26Compensationamount n/aSean P LeubaSVP, Corp. Development & GC↗
  • Mar 15, 26Compensationamount n/aSean P LeubaSVP, Corp. Development & GC↗
  • Mar 15, 26Tax$88KSean P LeubaSVP, Corp. Development & GC↗
  • Mar 15, 26Compensationamount n/aCraig D NicholsSVP, Operations & Supply Chain↗
  • Mar 15, 26Tax$28KCraig D NicholsSVP, Operations & Supply Chain↗
  • Mar 15, 26Compensationamount n/aRyan F RaberEVP - Strategy, Sales & Mktg↗
  • Mar 15, 26Compensationamount n/aRyan F RaberEVP - Strategy, Sales & Mktg↗
  • Mar 15, 26Tax$236KRyan F RaberEVP - Strategy, Sales & Mktg↗
  • Mar 15, 26Compensationamount n/aJagadeesh A ReddyPresident & CEO↗
  • Mar 15, 26Compensationamount n/aJagadeesh A ReddyPresident & CEO↗
  • Mar 15, 26Tax$501KJagadeesh A ReddyPresident & CEO↗
  • Nov 6, 25Compensation$18KCraig D NicholsSVP, Operations & Supply Chain↗

The full record holds 115 transactions and goes back to Jan 25, 23.

Its sector and its market

Mayville Engineering Company, Inc. among Industrials companies

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Coverage

What sits behind this page.

Where each figure comes from and how far it reaches.

Prices
End-of-day closes provided by Twelve Data. One close per session; not real time. Closes adjusted for splits.
Series quality
250 clean closes in the period.
SEC records
384 documents on file, from Mar 7, 2019 to Aug 7, 2026.
Company description
No description available.
This page
Generated on Oct 19, 2026; refreshed through the day.

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Which SEC documents appear here?

Those filed with the SEC by the company, its insiders and its major shareholders, within our coverage: periodic reports (10-K, 10-Q, 20-F), material events (8-K), proposed sale notices (Form 144), insider transactions (Form 4) and stakes above 5% (13D/13G). Each links to the original on EDGAR.

Why does a European company show no SEC records?

It depends on the company: some European issuers file a 20-F or 6-K with the SEC and others don't. The profile shows whatever is on record; when there is nothing, it says so rather than guessing why. Europe does not yet have a common filing archive like EDGAR in the United States. The EU will open its own, ESAP, in July 2027 (managers' transactions arrive in January 2028), and we plan to add it once it is available.

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