Michael Mack - 02 Oct 2026 Form 4 Insider Report for PROCEPT BioRobotics Corp (PRCT)

Reporting relationship: Director
Issuer ticker: PRCT
Reported as of: 02 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 Oct 2026, 16:10:22 UTC
Source filing: View source filing
Reporting owner signature: /s/ Jonathan Stone, Attorney-in-Fact for Michael Mack

Filing notes and source

Key filing fact

Michael Mack filed Form 4 for PROCEPT BioRobotics Corp (PRCT) on 05 Oct 2026.

Key facts

This page summarizes Michael Mack's Form 4 filing for PROCEPT BioRobotics Corp (PRCT).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 05 Oct 2026, 16:10.

Change

No earlier filing in this sequence is available for direct comparison.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002158517 Primary reporting owner

Mack Michael

Relationship: Director
Address: C/O PROCEPT BIOROBOTICS CORPORATION, 150 BAYTECH DR., SAN JOSE
Signature: /s/ Jonathan Stone, Attorney-in-Fact for Michael Mack
Signature date: 05 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

PRCT transaction

Common Stock

Award

Transaction value
Shares: +7,727
Change %
Price: $0.000000^*
Shares after: 7,727
Date: 02 Oct 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

PRCT transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +12,191
Change %
Price: $0.000000^*
Shares after: 12,191
Date: 02 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 12,191
Exercise price: $17.16
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

1. These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. One-third of the RSUs shall vest on October 2, 2027, with one-third of the remaining RSUs vesting annually on the second and third anniversary thereof, subject to the Reporting Person continuing as a service provider through such dates.

Footnote F2

This Stock Option was granted on October 2, 2026, and one-third of the shares subject to the Stock Option shall vest on October 2, 2027, with one-third of the remaining shares subject to the Stock Option vesting annually on each of the second and third anniversary thereof, subject to the Reporting Person continuing as a service provider through such dates.