Welcome to our dedicated page for Mayville Engineering SEC filings (Ticker: MEC), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Mayville Engineering Company filings document the reporting obligations of a NYSE-listed manufacturer whose common stock trades under the symbol MEC. Form 8-K disclosures include quarterly and annual results releases, material definitive agreements and capital-structure matters tied to the company's credit arrangements.
Proxy and shareholder-meeting filings cover director elections, auditor ratification, advisory executive-compensation votes, board committee matters and named executive compensation. The filings also identify the company's registered common stock, governance framework and formal shareholder voting results.
Mayville Engineering Company, Inc. President & CEO Jagadeesh A. Reddy reported an open-market sale of 15,688 shares of common stock at a weighted average price of $35.0474 per share, with prices ranging from $35.00 to $35.28. The transaction was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on December 12, 2025. Following the sale, he directly holds 124,105 common shares and maintains indirect interests of 380 shares held by his daughter and 2,300 shares through an ESOP and/or 401(k) plan. He also retains significant equity exposure through stock options on 88,901 shares at an exercise price of $16.22 and multiple tranches of restricted stock units covering additional common shares.
MEC notice of a proposed sale of 15,688 shares of Common Stock issued as Restricted Stock Units, dated 07/19/2024. The filing lists these securities as Restricted Stock Units allocated by the issuer.
The filing also discloses recent 10b5-1 sales by Jagadeesh A Reddy: 1,300 shares on 06/08/2026 for $45,510.01, 17,294 shares on 06/01/2026 for $518,821.73, and 21,796 shares on 05/07/2026 for $564,995.91.
Mayville Engineering Company, Inc. President & CEO Jagadeesh A. Reddy reported an open-market sale of 1,300 shares of MEC common stock at a weighted average price of about $35.01 per share on June 8, 2026. The sale was made under a pre-arranged Rule 10b5-1 trading plan adopted on December 12, 2025, meaning the trades were scheduled in advance.
After this sale, he directly holds 139,793 MEC common shares. He also has indirect holdings of 380 shares held by his daughter and 2,300 shares through an ESOP and/or 401(k) plan. In addition, he retains stock options covering 88,901 common shares at an exercise price of $16.22, plus several restricted stock unit awards tied to 74,986, 55,284 and 36,317 underlying common shares that vest in equal annual installments between March 15, 2025 and March 15, 2029.
Jagadeesh A. Reddy submitted a Form 144 notice relating to proposed sales of Common Stock. The record shows prior 10b5-1 sales of 17,294 shares on 06/01/2026 for $518,821.73 and 21,796 shares on 05/07/2026 for $564,995.91. The filing also lists 1,300 Restricted Stock Units dated 07/19/2024.
Mayville Engineering Company, Inc. President & CEO Jagadeesh A. Reddy filed an amended insider report showing he sold 17,294 shares of common stock on June 1, 2026 at a weighted average price of $30.0001 per share. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 12, 2025.
The amendment corrects an earlier report that had stated 17,942 shares were sold and adjusts the number of shares beneficially owned after the transaction. Following the sale, Reddy directly held 141,093 common shares, plus indirect holdings of 380 shares by his daughter and 2,300 shares through an ESOP and 401(k) plan.
Reddy also retained equity incentives, including stock options representing 88,901 underlying common shares at an exercise price of $16.22, and several tranches of restricted stock units covering 74,986, 55,284 and 36,317 underlying common shares that vest in annual installments on March 15 from 2025 through 2029.
Mayville Engineering Company, Inc. President & CEO Jagadeesh A. Reddy reported an open-market sale of 17,942 shares of common stock at a weighted average price of $30.0001 per share on June 1, 2026. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 12, 2025, indicating it was scheduled in advance. Following this transaction, he directly holds 140,445 common shares and also has stock options for 88,901 shares at an exercise price of $16.22 plus multiple restricted stock unit grants tied to future vesting dates.
Jagadeesh A. Reddy filed a Form 144 proposing the sale of 17,294 restricted stock units. The filing lists these securities as Restricted Stock Units with an original grant date of 02/28/2024.
The filing also records prior reported 10b5-1 sales: 21,796 shares sold on 05/07/2026 for $564,995.91. The broker/dealer listed is Morgan Stanley Smith Barney LLC Executive Financial Services.
Mayville Engineering Company, Inc. Schedule 13G discloses that Portolan Capital Management, LLC beneficially owns 1,465,004 shares of common stock of Mayville Engineering Company, Inc. The filing also lists George McCabe as the Manager with identical voting and dispositive power. The reported ownership equals 5.92% of the class as shown on the cover page.
The filing provides the reporting persons' principal business address and CUSIP 578605107, and is signed by George McCabe with a signature date of 05/28/2026.
Mayville Engineering Company, Inc. executive Ryan F. Raber, EVP – Strategy, Sales & Marketing, reported an open-market sale of 20,000 shares of Common Stock at $26.00 per share on May 26, 2026.
After this transaction, he directly owns 86,970 shares of Common Stock. He also has 26,287 shares held indirectly through the ESOP and 401(k) plan, plus multiple equity awards, including restricted stock units tied to 29,155, 12,452 and 17,650 underlying shares of Common Stock and stock options covering 44,720, 77,426, 43,291 and 27,595 underlying shares at exercise prices ranging from $10.32 to $17.00 per share.
Mayville Engineering Company, Inc. senior vice president Craig D. Nichols reported an open-market sale of Common Stock. He sold 4,000 shares on May 21, 2026 at $23.24 per share and now holds 146 Common shares directly.
In addition to direct stock, Nichols holds company equity through benefit and incentive arrangements. A 401(k) plan account holds 1,134 Common shares indirectly. He also holds Restricted Stock Units that may convert into 14,998 Common shares, vesting one-third on each of March 15, 2026, 2027 and 2028, and another RSU award for 11,614 underlying shares vesting one-third on each of March 15, 2027, 2028 and 2029.