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MEC · Mayville Engineering Company, Inc.
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MEC Mayville Engineering (MEC) Insider Trading, Ownership & Congress Trades

Industrials · Metal forgings & stampings · CIK 0001766368
Form 144 · 2
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
0
13F, latest reported quarter

What the filings say about MEC

Insiders, 180 days
-$3.2M net sold
4 sellers · 0% of sales under a 10b5-1 plan
Planned sales (Form 144), 90 days
$335.1K
2 notices

Mayville Engineering insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, Mayville Engineering Company, Inc. insiders sold a net $3.2M of stock across 35 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-27.

Insider
Filed
Shares
Value
Since filing
SVP, GC & Secretary
SELL
2026-08-07 SECtraded 2026-08-06
12,855
$327.0K
-44.5%
Context
  • 5 earlier Form 4 trades (code P or S) here by this insider (3 buys, 2 sales), the last on Mar 5, 2026.
  • +10.0% median (+9.8% mean) 90-day return after 3 previous buys.
  • The trade is 193.8% of the 6,633 shares held after it.
  • No other insider sold within 30 days.
Insider activity: SVP, GC & Secretary Leuba Sean P sold about $327.0K of MEC on Aug 6, 2026.
President & CEO
SELL
2026-06-12 SECtraded 2026-06-11
15,688
$549.9K
-63.4%
Context
  • 13 earlier Form 4 trades (code P or S) here by this insider (8 buys, 5 sales), the last on Jun 8, 2026.
  • +20.8% median (+28.8% mean) 90-day return after 6 previous buys.
  • The trade is 12.6% of the 124,105 shares held after it.
  • 2 other insiders sold within 30 days.
Insider activity: President & CEO Reddy Jagadeesh A sold about $549.9K of MEC on Jun 11, 2026, the largest insider sale at the company on our record; 2 other insiders sold within 30 days.
President & CEO
SELL
2026-06-10 SECtraded 2026-06-08
1,300
$45.5K
-63.9%
Context
  • 12 earlier Form 4 trades (code P or S) here by this insider (8 buys, 4 sales), the last on Jun 1, 2026.
  • +20.8% median (+28.8% mean) 90-day return after 6 previous buys.
  • The trade is 0.9% of the 139,793 shares held after it.
  • 2 other insiders sold within 30 days.
Insider activity: President & CEO Reddy Jagadeesh A sold about $45.5K of MEC on Jun 8, 2026; 2 other insiders sold within 30 days.
President & CEO
SELL
2026-06-03 SECtraded 2026-06-01
17,294
$518.8K
-61.1%
Context
  • 10 earlier Form 4 trades (code P or S) here by this insider (8 buys, 2 sales), the last on May 7, 2026.
  • +20.8% median (+28.8% mean) 90-day return after 6 previous buys.
  • The trade is 12.3% of the 141,093 shares held after it.
  • 2 other insiders sold within 30 days.
Insider activity: President & CEO Reddy Jagadeesh A sold about $518.8K of MEC on Jun 1, 2026; 2 other insiders sold within 30 days.
President & CEO
SELL
2026-06-02 SECtraded 2026-06-01
17,942
$538.3K
-61.0%
Context
  • 10 earlier Form 4 trades (code P or S) here by this insider (8 buys, 2 sales), the last on May 7, 2026.
  • +20.8% median (+28.8% mean) 90-day return after 6 previous buys.
  • The trade is 12.8% of the 140,445 shares held after it.
  • 2 other insiders sold within 30 days.
Insider activity: President & CEO Reddy Jagadeesh A sold about $538.3K of MEC on Jun 1, 2026, the largest insider sale at the company on our record; 2 other insiders sold within 30 days.
35 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Showing the latest few. to see 30 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$3.2M over 180 days
-$327.0K over 90 days
below 62% of Industrials
Congress
no House purchase disclosed in the last 12 months
Funds
under five funds report holding it
Revenue
-6.0% year over year
below 82% of Industrials
Margin
-1.5% net margin
below 70% of Industrials
Buybacks
$4.6M repurchased, FY to 2025-12-31
below 83% of Industrials
Short interest
13.3% of the float short (float per yahoo 2026-10-26) · 3.5 days to cover · settled 2026-09-30
more than 94% of Industrials
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch MEC

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-22.9%12M
-23%+27%+77%+128%2025-102025-122026-022026-042026-062026-082026-10 2026-06-11 · Reddy Jagadeesh A sold $549.9K2026-06-01 · Reddy Jagadeesh A sold $538.3K2026-05-26 · Raber Ryan F sold $520.0K2026-06-01 · Reddy Jagadeesh A sold $518.8K2026-08-06 · Leuba Sean P sold $327.0K2026-05-07 · Reddy Jagadeesh A sold $299.3K2026-05-07 · Reddy Jagadeesh A sold $265.7K2025-11-25 · Raber Ryan F sold $208.6K2026-03-05 · Leuba Sean P sold $126.0K2025-12-11 · Fisher Steven L sold $95.7K2025-12-11 · Fisher Steven L sold $95.4K2026-05-21 · Nichols Craig D sold $93.0K2026-03-05 · Leuba Sean P sold $50.2K2026-06-08 · Reddy Jagadeesh A sold $45.5K2025-11-25 · Raber Ryan F sold $41.6K2026-08-06 · Leuba Sean P filed to sell $309.4K2026-08-06 · Leuba Sean P filed to sell $25.7K
Insider sellForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns MEC: institutional holders (13F)

13F holdings, latest reported quarter
SEC 13F
No reported 13F holders

No fund above the reporting threshold listed this stock last quarter. That is a fact, not missing data.

Congress trades in MEC

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

MEC planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
Leuba Sean P
Filed 2026-08-06
$309.4K
Leuba Sean P
Filed 2026-08-06
$25.7K
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders have filed to sell, before selling.
The record shows a net $3.2M sold by insiders over 180 days, $335.1K in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
Same sector, ranked by filing activity
Sector by SEC SIC code

MEC financials

Revenue growth
-6.0%
XBRL, annual
Net margin
-1.5%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$586.3M
four quarters, 2025-07-01 to 2026-06-30
Net margin, TTM
-3.0%
net income over revenue, 2025-07-01 to 2026-06-30
Free cash flow, TTM
-$4.6M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
0.15x
long-term 2019-06-30 (85 months older than the period end) plus current 2019-06-30 (85 months older than the period end); equity 2026-06-30
Cash flow to debt
0.29x
TTM operating cash flow over long-term 2019-06-30 (85 months older than the period end) plus current 2019-06-30 (85 months older than the period end)
Return on equity
-6.0%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
-3.4%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
n/a
pre-tax loss, no effective tax rate to apply
Return on capital employed
-3.0%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Enterprise value
$369.5M
market value at close 2026-10-23 on 2026-07-31 shares, plus long-term 2019-06-30 (85 months older than the period end) plus current 2019-06-30 (85 months older than the period end), minus cash 2026-06-30
FCF yield
-1.4%
TTM free cash flow over market value at close 2026-10-23
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Price as of 2026-10-23. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122022-12
Revenue$546.5M$581.6M$588.4M$539.4M
Operating income-$3.8M$44.6M$20.2M$25.8M
Net income-$8.1M$26.0M$7.8M$18.7M
EPS (diluted)-0.401.240.380.91
Operating cash flow$38.6M$89.8M$40.4M$52.4M
Cash$1.5M$206.0K$672.0K$127.0K
Buybacks$4.6M$5.9M$2.7M$4.9M
SEC XBRL, fiscal years, as known on 2026-10-27

MEC Stock Sonar score 5/7 axes

Find similar shapesCompare

MEC ranks highest on financial health (64th percentile) and risk and compliance (58th), and lowest on insider conviction (18th), among Industrials peers.

ProfitHealthGrowthInsidersRisk
Profitability
24
Inputs
  • Return on equity-6.0% · 21 pct, sector of 198
  • Return on assets-3.4% · 27 pct, sector of 224
  • Return on invested capitalpre-tax loss, no effective tax rate to apply
  • Return on capital employed-3.0% · 24 pct, sector of 195
Financial health
64
Inputs
  • Debt to equity0.15x · 73 pct, sector of 214
  • Cash flow to debt0.29x · 55 pct, sector of 173
Growth
18
Inputs
  • Revenue growth, YoY-6.0% · 18 pct, sector of 254
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
18
Inputs
  • Net Form 4 buying (codes P and S), 180d-$3.2M · 36 pct, sector of 170
  • Insider buyers, 180d0 · 0 pct, sector of 172
Risk and compliance
58
Inputs
  • Short interest, % of float+13.3% · 12 pct, sector of 269
  • Recalls per $1B revenue, 3ynot measured for this sector, almost no peer has an event
  • EPA cases per $1B revenue, 5y0.00 per $1B · 100 pct, sector of 191
  • New text in Risk Factors, latest 10-K+9.1% · 61 pct, sector of 197
2 not measured: Institutional and government, US patents
  • Institutional and government needs 1 of 4 inputs, 0 present: fewer than five funds report holding it; no Congress trades in 365 days; no federal contracts in 180 days; no lobbying filings in the last four quarters
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

5 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

MEC filings, in plain words

Are Mayville Engineering insiders buying or selling MEC?

In the 180 days to 2026-10-27, Mayville Engineering insiders were net sellers, a net $3.2M across purchases and sales reported on Form 4, by 4 sellers.

Are there planned insider sales of MEC?

Yes. 2 Form 144 notices of planned insider sales were filed in the 90 days to 2026-10-27, covering $335.1K of stock; the latest, by Leuba Sean P, was filed 2026-08-06.

Read the full summary

In the 180 days to 2026-10-27, Mayville Engineering insiders were net sellers of MEC, a net $3.2M across purchases and sales reported on Form 4 by 4 sellers. None of the 9 insider sales was flagged as made under a Rule 10b5-1 plan. Insiders filed 2 Form 144 notices of intent to sell in the 90 days to 2026-10-27, covering $335.1K of stock. Each figure is counted from SEC and House filings as of 2026-10-27, dated the day the filing was made public.

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