undamentalytics Newsletter

Mayville Engineering Company, Inc. insider trading

Every open-market purchase and sale by Mayville Engineering Company, Inc.'s officers, directors and largest shareholders since November 4, 2021, and what the share price did next.

No insider has bought shares on the open market in five years.

Insider purchase Insider sale Marker size reflects trade value. Weekly closes adjusted for splits; may be delayed.
Mayville Engineering Company, Inc. insider open-market trades
DateInsiderTrade SharesPriceValue 1M after 3M after 6M after

From insiders' Form 4 filings with the SEC: open-market purchases and sales only (awards, option exercises and shares withheld for tax are excluded), combined to one line per insider per day. "Plan" marks trades the filing says were made under a pre-set Rule 10b5-1 trading plan, which are scheduled in advance. Price changes run from the close on the trade date; hover a figure for the change relative to the S&P 500. Past moves don't predict future ones.

Does following Mayville Engineering Company, Inc.’s insiders pay?

From June 14, 2019 to August 7, 2026, 15 insiders reported 33 open-market purchases and 9 sales not made under a pre-set plan in Mayville Engineering Company, Inc. Twelve months after each purchase was reported, the shares were +15.6% against the S&P 500 on average (median −12.6%), over 32 purchases with a full year of prices; 41% beat the index. After sales, the shares moved +37.1% against the index over 12 months (a negative figure means selling was the right call). Buying each purchase the day after it was reported, an equal amount each, held 12 months or until that insider reported a sale, would have turned $10,000 on June 17, 2019 into $14,331 by November 2, 2026, +5.0% a year. It held shares 95% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $28,411 (+15.2% a year), and held throughout $29,167 (+15.7%).

$0$10.0k$20.0k$30.0k 20192020202120222023202420252026 $29.2k$28.4k$14.3k
Copying Mayville Engineering Company, Inc.'s insidersS&P 500, same days investedS&P 500, held throughout $10,000 copying every open-market purchase by Mayville Engineering Company, Inc.'s insiders from June 17, 2019, before costs and taxes, marked weekly. Uninvested money earns the Treasury bill rate; the portfolio held shares 95% of the time.
Mayville Engineering Company, Inc.: each insider's record
InsiderRolePurchases12 months after their purchasesBeat the S&P 500Sales12 months after their salesLatest report
Christen Timothy L Director 6 +35.3% (5) 60% 0 — March 4, 2022
Butz Todd M Chief Financial Officer 5 +19.9% (5) 40% 0 — November 8, 2024
Kamphuis Robert D Chairman, Pres. & CEO 5 −11.9% (5) 20% 0 — May 7, 2021
Fisher Steven L Director 3 −10.6% (3) 33% 1 — December 15, 2025
Leuba Sean P SVP, GC & Secretary 2 −10.6% (2) 0% 2 — August 7, 2026
Raber Ryan F EVP - Strategy, Sales & Mktg 1 −12.7% (1) 0% 3 −41.1% (1) May 27, 2026
Reddy Jagadeesh A President & CEO 4 +4.2% (4) 50% 0 — August 8, 2025
Johnson Craig E Director 1 +145.6% (1) 100% 1 +52.4% (1) September 15, 2020
Lehr Rachele Marie Chief Financial Officer 2 +12.9% (2) 50% 0 — August 11, 2025
Carlson Allen J Director 1 +86.8% (1) 100% 0 — March 3, 2020
Michels Patrick D Director 1 −26.0% (1) 0% 0 — November 4, 2021
Nichols Craig D SVP, Operations & Supply Chain 0 — — 1 — May 26, 2026
Rothman Jay O. Director 1 −12.7% (1) 0% 0 — November 4, 2019
ST. Peter John A Director 1 +113.2% (1) 100% 0 — March 16, 2020
Welak Eric J EVP - Fabrication 0 — — 1 +99.9% (1) July 17, 2020

Moves are the shares’ return including dividends minus the S&P 500’s, from the close on the first trading day after each report; the number of trades with a finished 12-month window is in brackets. Green means the trade went the insider’s way (a purchase ahead of the index, a sale followed by the shares trailing it). A trade reported both by a director or officer and by a fund or company they are linked to counts once here, under the person. Purchases count only where the share price actually traded was at least $5. These figures describe what the shares did, not why anyone traded. Insiders across all companies.

When several insiders traded Mayville Engineering Company, Inc.

Months when 2 or more insiders became net buyers, or 3 or more net sellers, of Mayville Engineering Company, Inc. in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After the 4 buying crowds with six months of prices, it averaged +2.8% against the index. One company's history is too short to judge by; the test across every company is the better guide.

MonthCrowd3 months on, vs S&P 5006 months12 months
May 29, 20263 selling−30.0%not yetnot yet
August 29, 20252 buying+10.1%+38.5%+12.1%
November 29, 20244 buying−15.4%−6.8%−15.5%
March 31, 20206 buying+8.7%+19.1%+78.4%
June 28, 20193 buying−10.9%−39.5%−52.1%

Colours show whether the crowd was right: green when buyers were followed by a rise above the index, or sellers by a fall below it. Total returns from the month end; past patterns are not a forecast.

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