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

Role
Chief Technology & AI Officer
Signature
/s/ Kareem S. Tawfic, Attorney-in-Fact
Stock symbol
PRLB
Transactions as of
Nov 17, 2025
Transactions value $
$0
Form type
4
Date filed
11/19/2025, 04:13 PM
Previous filing
Oct 15, 2025
SEC
View on sec.gov

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 2025-11-19 0001975999

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PRLB Common Stock Award $0 +3.72K $0.00 3.72K Nov 17, 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 +6.82K $0.00 6.82K Nov 17, 2025 Common Stock 6.82K $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.