Shares of Mayville Engineering Company (NYSE:MEC) dropped about 7% in after-hours trading Tuesday after the company disclosed an underwritten public offering of its common stock. The maker of manufacturing solutions said it is selling all of the shares in the offering.
Mayville Engineering indicated it expects to give the underwriters a 30-day option to purchase up to an additional 15% of the shares sold at the public offering price, less underwriting discounts and commissions. William Blair & Company, L.L.C. and Craig-Hallum Capital Group LLC have been named as the lead book-running managers for the transaction.
The company emphasized that the offering is subject to market and other conditions, and there is no guarantee as to whether or when the offering may close.
In outlining its planned use of proceeds, Mayville Engineering said net funds raised would be applied to reduce outstanding amounts under its senior secured revolving credit facility, to support capital expenditures focused on growth sectors, and to provide working capital and general corporate funding. The company noted that part of the anticipated repayment will be used toward amounts borrowed to complete the Accu-fab acquisition, which it completed in July 2025.
Mayville Engineering's senior secured revolving credit facility has a maturity date of June 28, 2028. The company reported that, as of March 31, 2026, the interest rate on that facility was 6.42%.
Mayville Engineering describes itself as a value-added provider of design, prototyping and manufacturing solutions that serves a range of end markets.
Clear summary
Following its announcement of an underwritten offering of common stock - with all offered shares sold by the company and a potential 15% overallotment option for underwriters - Mayville Engineering's shares fell about 7% in after-hours trading. The company plans to direct net proceeds toward reducing borrowings under its revolving credit facility, financing selected capital expenditures aimed at growth sectors, and supporting working capital and general corporate purposes. A portion of the repayment is tied to funding from a prior acquisition completed in July 2025.
Key points
- Stock reaction: Shares fell roughly 7% in after-hours trading following the offering announcement, reflecting investor response to immediate dilution risk and capital raising activity.
- Financing mechanics: The offering is underwritten, with William Blair & Company, L.L.C. and Craig-Hallum Capital Group LLC serving as lead book-runners and an underwriter option for up to 15% additional shares.
- Use of proceeds: Net proceeds are earmarked to repay amounts under the senior secured revolving credit facility, to fund targeted capital expenditures, and to support working capital and general corporate needs, including amounts related to the July 2025 Accu-fab acquisition.
Risks and uncertainties
- Execution risk: The offering is subject to market and other conditions, with no assurance it will be completed - a factor that could influence liquidity and strategic plans if the offering does not proceed.
- Financing terms risk: The company intends to use proceeds to reduce borrowings under a revolving credit facility that matures on June 28, 2028; any changes in access to capital markets or credit conditions could affect refinancing and liquidity strategies.
- Interest expense exposure: As of March 31, 2026, the facility carried an interest rate of 6.42%, which is relevant to the company's financing costs until any principal reductions from the offering occur.
Mayville Engineering serves multiple end markets with design, prototyping and manufacturing services. The company has outlined a specific allocation of offering proceeds but noted that the transaction's completion depends on prevailing market conditions and other customary factors.