STOCK TITAN

MEC (MEC) SVP Craig Nichols sells 4,000 shares, retains RSUs

Filing Impact
(Neutral)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

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.

Positive

  • None.

Negative

  • None.
Insider Nichols Craig D
Role SVP, Operations & Supply Chain
Sold 4,000 shs ($93K)
Type Security Shares Price Value
Sale Common Stock 4,000 $23.24 $93K
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 146 shares (Direct, null); Restricted Stock Units — 11,614 shares (Direct, null); Common Stock — 1,134 shares (Indirect, by 401(k) Plan)
Footnotes (1)
  1. The restricted stock units will vest 1/3 on each of March 15, 2026, 2027 and 2028. The restricted stock units will vest 1/3 on each of March 15, 2027, 2028 and 2029.
Shares sold 4,000 shares Open-market sale of Common Stock on May 21, 2026
Sale price $23.24 per share Price received for 4,000 Common shares sold
Direct shares after sale 146 shares Common Stock directly owned following transaction
Indirect 401(k) shares 1,134 shares Common Stock held indirectly via 401(k) plan
RSUs underlying shares (grant 1) 14,998 shares RSUs vesting 1/3 on March 15, 2026, 2027, 2028
RSUs underlying shares (grant 2) 11,614 shares RSUs vesting 1/3 on March 15, 2027, 2028, 2029
Restricted Stock Units financial
"security_title": "Restricted Stock Units""
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
open-market sale financial
"transaction_action": "open-market sale""
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
401(k) Plan financial
"nature_of_ownership": "by 401(k) Plan""
A 401(k) plan is a workplace retirement account that lets employees set aside part of their pay into a tax-advantaged savings pot, often with employers adding matching contributions — like a workplace piggy bank for future income. It matters to investors because the amount people save and how employers fund these plans influence consumer spending, corporate payroll costs and the flow of money into financial markets, which can affect stock prices and company valuations.
Common Stock financial
"security_title": "Common Stock""
Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Nichols Craig D

(Last)(First)(Middle)
135 SOUTH 84TH STREET
SUITE 300

(Street)
MILWAUKEE WISCONSIN 53214

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Mayville Engineering Company, Inc. [ MEC ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
SVP, Operations & Supply Chain
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/21/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock05/21/2026S4,000D$23.24146D
Common Stock1,134Iby 401(k) Plan
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units$0 (1) (1)Common Stock11,61411,614D
Restricted Stock Units$0 (2) (2)Common Stock14,99814,998D
Explanation of Responses:
1. The restricted stock units will vest 1/3 on each of March 15, 2026, 2027 and 2028.
2. The restricted stock units will vest 1/3 on each of March 15, 2027, 2028 and 2029.
/s/ Garrett F. Bishop, Attorney-in-Fact for Craig D. Nichols05/26/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did MEC executive Craig D. Nichols report?

Craig D. Nichols reported an open-market sale of 4,000 shares of Mayville Engineering Common Stock at $23.24 per share on May 21, 2026. This Form 4 filing also updates his remaining direct and indirect equity holdings, including stock and restricted stock units.

How many MEC shares does Craig D. Nichols hold after the reported sale?

After selling 4,000 shares, Craig D. Nichols holds 146 shares of Mayville Engineering Common Stock directly. He also has 1,134 shares held indirectly through a 401(k) plan, plus significant Restricted Stock Units that may convert into additional Common shares over future vesting dates.

What price did Craig D. Nichols receive for his MEC share sale?

Nichols sold 4,000 Mayville Engineering Common Stock shares at $23.24 per share in an open-market transaction. The Form 4 records this sale price as the transaction’s per-share amount, providing transparency into the valuation at which the executive reduced his direct holdings.

What Restricted Stock Units (RSUs) does Craig D. Nichols hold in MEC?

Nichols holds RSUs tied to 14,998 underlying Common shares vesting one-third on March 15, 2026, 2027, and 2028. He also holds another RSU grant for 11,614 underlying shares vesting one-third on March 15, 2027, 2028, and 2029, subject to continued service conditions.

How are Craig D. Nichols’ MEC RSUs scheduled to vest over time?

One RSU award vests in three equal parts on March 15 of 2026, 2027, and 2028. A second RSU award vests in three equal parts on March 15 of 2027, 2028, and 2029. Each vested portion can settle into Common Stock, increasing his share ownership.

What indirect MEC holdings does Craig D. Nichols report?

Nichols reports 1,134 shares of Mayville Engineering Common Stock held indirectly through a 401(k) plan. This is separate from his 146 directly held shares and his Restricted Stock Units, giving a fuller picture of his total economic exposure to the company’s equity.