Marc Kermisch - 17 Nov 2025 Form 4 Insider Report for Proto Labs Inc (PRLB)

Signature
/s/ Kareem S. Tawfic, Attorney-in-Fact
Issuer symbol
PRLB
Transactions as of
17 Nov 2025
Net transactions value
$0
Form type
4
Filing time
19 Nov 2025, 16:13:18 UTC
Previous filing
15 Oct 2025
Next filing
27 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kermisch Marc Chief Technology & AI Officer 5540 PIONEER CREEK, MAPLE PLAIN /s/ Kareem S. Tawfic, Attorney-in-Fact 19 Nov 2025 0001975999

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PRLB Common Stock Award $0 +3,718 $0.000000 3,718 17 Nov 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction PRLB Employee Stock Option (right to buy) Award $0 +6,818 $0.000000 6,818 17 Nov 2025 Common Stock 6,818 $47.07 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted stock units that vest annually over four years commencing on November 15, 2026.
F2 Stock option vests annually over four years commencing on November 15, 2026.