Proto Labs, Inc. (PRLB)
NYSE: PRLB · Fabricated Structural Metal Products · Maple Plain, MN · filing with the SEC since 2008
Grade6.7
◀ Past 7.8● Present 5.7▶ Future 6.9
Who owns Proto Labs, Inc.
As filed with the SECHolders of 5% or more
4
Blackrock, Inc. holds 15% of Common Stock, as its SCHEDULE 13G/A filed Jul 17, 2025 says.
Directors and officers
12
report now, of 25 people on the record since 2012. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Jul 17, 2025 · Common Stock
Disciplined Growth Investors Inc /mn
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock · 10.5% in May 15, 2026
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
Vanguard Capital Management
SCHEDULE 13G · filed Apr 30, 2026 · Common Stock
Dimensional Fund Advisors LP
SCHEDULE 13G/A · filed Jul 14, 2026 · Common Stock · reported falling below 5%, from 5.3% in Jan 23, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What PRLB reports owning in othersstakes of 5% or more, and other ties
9 subsidiaries in 4 countries, from the list filed with the 10-K filed Feb 20, 2026.
Insider tradesForm 4
15sales
2purchases
13sales on a scheduled plan
3people selling
$3.5Msold, in dollars
$100,000bought, in dollars
Open-market trades on Form 4 from Nov 4, 2025 to Nov 4, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 4, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window5 of 25 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Kenison Michael R. | Chief Operations Officer | 10 | $2.4M | 10 | 0 | $0 |
| Schumacher Daniel | Chief Financial Officer | 3 | $900,000 | 3 | 0 | $0 |
| Wehrwein Sven | director | 2 | $200,000 | 0 | 0 | $0 |
| Krishna Suresh | President and CEO | 0 | $0 | 0 | 1 | $100,000 |
| Gawlick Rainer | director | 0 | $0 | 0 | 1 | $0 |