John Ackerman - 27 Sep 2026 Form 4 Insider Report for Guardian Pharmacy Services, Inc. (GRDN)

Reporting relationship: Director, Member of 10% Owner Group
Issuer ticker: GRDN
Reported as of: 27 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 28 Sep 2026, 17:19:05 UTC
Prior SEC filing: 31 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Douglas Towns, Attorney-in-Fact

Key filing fact

John Ackerman filed Form 4 for Guardian Pharmacy Services, Inc. (GRDN) on 28 Sep 2026.

Key facts

This page summarizes John Ackerman's Form 4 filing for Guardian Pharmacy Services, Inc. (GRDN).
4 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 28 Sep 2026, 17:19.

Change

Previous filing in this sequence was filed on 31 Mar 2026.
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 0002037898 Primary reporting owner

Ackerman John

Relationship: Director, Member of 10% Owner Group
Address: 300 GALLERIA PARKWAY SE, SUITE 800, ATLANTA
Signature: /s/ Douglas Towns, Attorney-in-Fact
Signature date: 28 Sep 2026

Reported non-derivative transactions

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

GRDN transaction

Class A Common Stock

Options Exercise

Transaction value
Shares: +1,413,939
Change %: +58%
Price
Shares after: 3,863,806
Date: 27 Sep 2026
Ownership: By Pharmacy Investors, LLC
Footnotes: F1

GRDN transaction

Class A Common Stock

Options Exercise

Transaction value
Shares: +471,057
Change %: +58%
Price
Shares after: 1,287,237
Date: 27 Sep 2026
Ownership: By Cardinal Equity Fund, L.P.
Footnotes: F1

Reported derivative securities

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

GRDN transaction Derivative

Class B Common Stock

Options Exercise

Transaction value
Shares: -1,413,939
Change %: -100%
Price
Shares after: 0
Date: 27 Sep 2026
Ownership: By Pharmacy Investors, LLC
Underlying class: Class A Common Stock
Underlying amount: 1,413,939
Exercise price
Footnotes: F1

GRDN transaction Derivative

Class B Common Stock

Options Exercise

Transaction value
Shares: -471,057
Change %: -100%
Price
Shares after: 0
Date: 27 Sep 2026
Ownership: By Cardinal Equity Fund, L.P.
Underlying class: Class A Common Stock
Underlying amount: 471,057
Exercise price
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Pursuant to Guardian Pharmacy Services, Inc.'s (the "Issuer") Amended and Restated Certificate of Incorporation, the Reporting Person's shares of Class B common stock automatically converted into shares of the Issuer's Class A common stock, on a one-for-one basis, on September 27, 2026.