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▼ SELL 10b5-1 Plan

$ Value

$153K

Shares

3,048

Price

$50

Filed

Dec 3

Insider

Name

Kenison Michael R.

Title

Chief Operations Officer

CIK

0001870293

Roles

Officer

Transaction Details

Transaction Date

2025-11-25

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

28,898

Footnotes

Includes 57 shares of Common Stock of the issuer purchased on November 15, 2025 through the issuer's Employee Stock Purchase Plan program. | These shares were acquired and sold pursuant to Reporting Person's 10b5-1 plan adopted August 15, 2025. | Reflects the weighted average price of 3,048 shares of Common Stock of the issuer sold by the Reporting Person in multiple transactions on November 25, 2025 with sale prices ranging from $50.00 to $50.53 per share. The Reporting Person undertakes to provide upon request by U.S. Securities and Exchange Commission staff, the issuer, or a securityholder of the issuer full information regarding the number of shares sold at each separate price. | Fully vested. | This amendment reflects an adjustment to the expiration date of the Employee Stock Options to correct a clerical error in the reporting person's Form 4 filed on November 25, 2025. All transaction details were accurately reported on the original Form 4.

Filing Info

Accession No.

0001870293-25-000007

Form Type

4/A

Issuer CIK

0001443669

Kenison Michael R.'s History

Date Ticker Type Value
2026-02-25 PRLB A $0
2026-02-25 PRLB F $33K
2026-02-25 PRLB A $0
2026-02-17 PRLB $332K
2026-02-13 PRLB F $104K
2026-02-10 PRLB F $143K
2026-02-06 PRLB $150K
2026-01-29 PRLB A $0
2025-11-25 PRLB M $103K
2025-11-25 PRLB M $0

Other Insiders at PRLB (90d)

Insider Bought Sold Last
Krishna Suresh
President and CEO
2026-02-25
Kenison Michael R.
Chief Operations Officer
$482K 2026-02-25
Schumacher Daniel
Chief Financial Officer
2026-02-25
Kermisch Marc
Chief Technology & AI Officer
2026-02-25