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PRLB · Proto Labs Inc
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PRLB Proto Labs (PRLB) Insider Trading, Ownership & Congress Trades

Industrials · Fabricated structural metal products · CIK 0001443669
Quote by TradingView
Form 144 · 6
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
146
13F, latest reported quarter
Conversions, 180 days
7
Codes C/M, not in net · $624.1K priced

What the filings say about PRLB

Insiders, 180 days
-$2.7M net sold
3 sellers · 27% of sales under a 10b5-1 plan
Planned sales (Form 144), 90 days
$2.1M
6 notices

Proto Labs insider trades (Form 4)

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

Over the last 180 days, Proto Labs Inc insiders sold a net $2.7M of stock across 19 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
Schumacher Daniel
Chief Financial Officer
SELL
2026-09-25 SECtraded 2026-09-24
5,000
$476.6K
-11.7%
Context
  • 2 earlier Form 4 trades (code P or S) here by this insider (2 sales), the last on Sep 17, 2026.
  • The trade is 14.3% of the 35,019 shares held after it.
  • No other insider sold within 30 days.
  • 146 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Financial Officer Schumacher Daniel sold about $476.6K of PRLB under a 10b5-1 plan on Sep 24, 2026; 146 funds added in the latest 13F quarter.
Schumacher Daniel
Chief Financial Officer
SELL
2026-09-18 SECtraded 2026-09-17
4,900
$417.5K
-2.4%
Context
  • 1 earlier Form 4 trade (code P or S) here by this insider (1 sale), the last on Sep 16, 2026.
  • The trade is 12.2% of the 40,019 shares held after it.
  • No other insider sold within 30 days.
  • 146 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Financial Officer Schumacher Daniel sold about $417.5K of PRLB under a 10b5-1 plan on Sep 17, 2026; 146 funds added in the latest 13F quarter.
Schumacher Daniel
Chief Financial Officer
SELL
2026-09-18 SECtraded 2026-09-16
100
$8.5K
-2.4%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 0.2% of the 44,919 shares held after it.
  • No other insider sold within 30 days.
  • 146 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Financial Officer Schumacher Daniel sold about $8.5K of PRLB under a 10b5-1 plan on Sep 16, 2026; 146 funds added in the latest 13F quarter.
WEHRWEIN SVEN
Director
SELL
2026-06-04 SECtraded 2026-06-02
1,500
$115.4K
+17.9%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 4.5% of the 33,005 shares held after it.
  • 1 other insider sold within 30 days.
  • 146 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director WEHRWEIN SVEN sold about $115.4K of PRLB on Jun 2, 2026; 1 other insider sold within 30 days and 146 funds added in the latest 13F quarter.
WEHRWEIN SVEN
Director
SELL
2026-06-04 SECtraded 2026-06-02
500
$39.2K
+17.9%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 1.5% of the 32,505 shares held after it.
  • 1 other insider sold within 30 days.
  • 146 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director WEHRWEIN SVEN sold about $39.2K of PRLB on Jun 2, 2026; 1 other insider sold within 30 days and 146 funds added in the latest 13F quarter.
19 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.
See all insider buying · insider selling
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Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$2.7M over 180 days
-$902.6K over 90 days
below 59% of Industrials
Congress
no House purchase disclosed in the last 12 months
Funds
146 funds bought in last quarter
below 52% of Industrials
Revenue
+6.4% year over year
more than 55% of Industrials
Margin
4.0% net margin
below 55% of Industrials
Buybacks
$5.0M repurchased, FY to 2026-06-30
below 81% of Industrials
Short interest
3.1% of the float short (float per yahoo 2026-10-26) · 2.5 days to cover · settled 2026-09-30
below 52% of Industrials
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch PRLB

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.
+61.3%12M
-12%+21%+53%+86%2025-102025-122026-022026-042026-062026-082026-10 2026-05-11 · Kenison Michael R. sold $522.2K2026-09-24 · Schumacher Daniel sold $476.6K2026-05-12 · Kenison Michael R. sold $467.0K2026-09-17 · Schumacher Daniel sold $417.5K2026-02-17 · Kenison Michael R. sold $332.3K2026-05-12 · Kenison Michael R. sold $288.4K2026-05-12 · Kenison Michael R. sold $249.5K2025-11-25 · Kenison Michael R. sold $152.9K2026-02-06 · Kenison Michael R. sold $150.0K2026-06-02 · WEHRWEIN SVEN sold $115.4K2026-05-12 · Kenison Michael R. sold $109.0K2026-06-02 · WEHRWEIN SVEN sold $39.2K2026-05-07 · Kenison Michael R. sold $14.0K2026-09-16 · Schumacher Daniel sold $8.5K2026-09-25 · MICHAEL R KENISON filed to sell $109.5K2026-09-24 · MICHAEL R KENISON filed to sell $172.5K2026-09-24 · DANIEL SCHUMACHER filed to sell $445.6K2026-09-17 · DANIEL SCHUMACHER filed to sell $407.9K2026-09-16 · DANIEL SCHUMACHER filed to sell $7.9K2026-08-04 · MICHAEL R KENISON filed to sell $947.8K
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 PRLB: institutional holders (13F)

13F holdings, latest reported quarter
BlackRock, Inc.
3,896,222 sh
$317.6M
DISCIPLINED GROWTH INVESTORS INC /MN
2,380,514 sh
$194.0M
VANGUARD PORTFOLIO MANAGEMENT LLC
1,599,765 sh
$130.4M
DIMENSIONAL FUND ADVISORS LP
1,152,305 sh
$93.9M
STATE STREET CORP
1,138,462 sh
$92.8M

Congress trades in PRLB

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.

PRLB planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
MICHAEL R KENISON
Filed 2026-09-25
$109.5K
MICHAEL R KENISON
Filed 2026-09-24
$172.5K
DANIEL SCHUMACHER
Filed 2026-09-24
$445.6K
DANIEL SCHUMACHER
Filed 2026-09-17
$407.9K
DANIEL SCHUMACHER
Filed 2026-09-16
$7.9K

PRLB mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
Pacer BlueStar Engineering the Future ETF
$1.2M position · as of 2026-07-31
8.3%
The 3D Printing ETF
$2.2M position · as of 2026-07-31
3.7%
The Disciplined Growth Investors Equity Fund
$4.6M position · as of 2026-07-31
2.7%
The Disciplined Growth Investors Fund
$14.5M position · as of 2026-07-31
2.3%
Zacks Small-Cap Core Fund
$484.9K position · as of 2026-05-31
1.4%
ALPS Disruptive Technologies ETF
$1.0M position · as of 2026-05-31
1.4%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Executive pay vs shareholder return · Robert Bodor
CEO pay, headline and as actually paid, against the company's return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2024
$4.3M
$4.5M
$1.2M
-74%
+8%
2023
$5.1M
$6.7M
$1.2M
-75%
-15%
2022
$4.6M
$2.0M
$1.0M
-83%
-20%
2020
$3.4M
$6.7M
$1.0M
+51%
+16%
Tagged by the company under SEC Item 402(v). Returns are cumulative from the start of the disclosure period. Green where the company beat its own peer group.
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 $2.7M sold by insiders over 180 days, 146 funds added last quarter, $2.1M in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
AXONTMOROKPKOHOFLXXPELSYMLIIITRIWABSNASXI

PRLB financials

Revenue growth
+6.4%
XBRL, annual
Net margin
4.0%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$560.5M
four quarters, 2025-07-01 to 2026-06-30
Net margin, TTM
+5.4%
net income over revenue, 2025-07-01 to 2026-06-30
Free cash flow, TTM
$56.7M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
0.01x
current debt only, 2017-12-31 (103 months older than the period end); equity 2026-06-30
Cash flow to debt
15.70x
TTM operating cash flow over current debt only, 2017-12-31 (103 months older than the period end)
Return on equity
+4.5%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
+4.0%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
+4.6%
operating income after a 28.0% effective tax rate, over current debt only, 2017-12-31 (103 months older than the period end) plus average of 2025-06-30 and 2026-06-30 minus cash
Return on capital employed
+5.3%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
P/E, trailing
68.49x
close 2026-10-23 over four quarters of diluted EPS, 2025-07-01 to 2026-06-30
Enterprise value
$1.9B
market value at close 2026-10-23 on 2026-07-28 shares, plus current debt only, 2017-12-31 (103 months older than the period end), minus cash 2026-06-30
FCF yield
+2.8%
TTM free cash flow over market value at close 2026-10-23
PEG, trailing
0.65x
P/E over trailing EPS growth of 105%: four quarters to 2026-06-30 against the four to 2025-06-30
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$533.1M$500.9M$503.9M$488.4M
Gross profit$237.1M$223.2M$222.0M$215.5M
Operating income$25.1M$19.9M$28.2M-$98.0M
Net income$21.2M$16.6M$17.2M-$103.5M
EPS (diluted)0.880.660.66-3.77
Operating cash flow$74.5M$77.8M$73.3M$62.1M
Cash$110.8M$89.1M$83.8M$56.6M
Buybacks$43.0M$60.3M$44.0M$29.7M
SEC XBRL, fiscal years, as known on 2026-10-27

PRLB Stock Sonar score 6/7 axes

Find similar shapesCompare

PRLB ranks highest on financial health (94th percentile) and risk and compliance (86th), and lowest on insider conviction (22nd), among Industrials peers.

ProfitHealthGrowthInsidersInstitutionsRisk
Profitability
35
Inputs
  • Return on equity+4.5% · 39 pct, sector of 198
  • Return on assets+4.0% · 52 pct, sector of 224
  • Return on invested capital+4.6% · 11 pct, sector of 107
  • Return on capital employed+5.3% · 39 pct, sector of 195
Financial health
94
Inputs
  • Debt to equity0.01x · 89 pct, sector of 214
  • Cash flow to debt15.70x · 99 pct, sector of 173
Growth
53
Inputs
  • Revenue growth, YoY+6.4% · 55 pct, sector of 254
  • Backlog growth, YoY+10.3% · 51 pct, sector of 89
Insider conviction
22
Inputs
  • Net Form 4 buying (codes P and S), 180d-$1.8M · 44 pct, sector of 170
  • Insider buyers, 180d0 · 0 pct, sector of 172
Institutional and government
48
Inputs
  • Funds adding, latest quarter146 · 48 pct, sector of 201
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
86
Inputs
  • Short interest, % of float+3.1% · 62 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+2.0% · 96 pct, sector of 197
1 not measured: US patents
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

6 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

PRLB filings, in plain words

Are Proto Labs insiders buying or selling PRLB?

In the 180 days to 2026-10-27, Proto Labs insiders were net sellers, a net $2.7M across purchases and sales reported on Form 4, by 3 sellers.

Are there planned insider sales of PRLB?

Yes. 6 Form 144 notices of planned insider sales were filed in the 90 days to 2026-10-27, covering $2.1M of stock; the latest, by MICHAEL R KENISON, was filed 2026-09-25.

Read the full summary

In the 180 days to 2026-10-27, Proto Labs insiders were net sellers of PRLB, a net $2.7M across purchases and sales reported on Form 4 by 3 sellers. 27% of the 11 insider sales were made under a Rule 10b5-1 plan; the rest were not flagged as planned. Insiders filed 6 Form 144 notices of intent to sell in the 90 days to 2026-10-27, covering $2.1M 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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