Changes in Beneficial Ownership · 4

Guardian Pharmacy Services, Inc.

GRDNNYSEEQUITYCurrent

Changes in Beneficial Ownership

Filed Sep 28, 2026Accepted Sep 28, 2026, 4:58 PM EDTFiling CIK 1802255Accession 0001193125-26-405483

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Structured filing — 4

ownership.xml

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Filing details

Report period: 2026-09-27
Issuer: Guardian Pharmacy Services, Inc.
Issuer CIK: 0001802255
Trading symbol: GRDN

Reporting owner 1

Name: Cardinal Equity Fund, L.P.
Reporting owner CIK: 0001432819
Relationship: Other
Other relationship: Member of 10% owner Group
Address: 401 PENNSYLVANIA PARKWAY, SUITE 115, INDIANAPOLIS, IN, 46280

Non-derivative transactions

Non-derivative transactions · 1 reported row
Security	Transaction date	Code	Amount	A / D	Price (USD)	Owned after	Ownership
Class A Common Stock	2026-09-27	M · Form 4	471,057	A	^[F1]	1,287,237	D

Table key

M · Form 4: Exempt derivative exercise or conversion under Rule 16b-3
A: Acquired
D: Direct

Derivative transactions

Derivative transactions · 1 reported row
Security	Conversion / exercise price (USD)	Transaction date	Code	Amount	A / D	Price (USD)	Exercisable	Expires	Underlying security	Underlying shares	Owned after	Ownership
Class B Common Stock	^[F1]	2026-09-27	M · Form 4	471,057	D	^[F1]	^[F1]	^[F1]	Class A Common Stock	471,057	0	D

Table key

M · Form 4: Exempt derivative exercise or conversion under Rule 16b-3
D: Direct

Footnotes

F1: Pursuant to the Issuer's 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.↩ 1 ↩ 2 ↩ 3 ↩ 4 ↩ 5

Signature 1

Signed: /s/ Douglas Towns, Attorney-in-Fact
Date: 2026-09-28

Company context

Guardian Pharmacy Services is one of the nation’s leading long-term care pharmacy services companies. Through its locally-based business model, Guardian partners with long-term care facilities (“LTCFs”) to deliver medications and a comprehensive suite of technology-enabled services designed to enhance care and improve adherence to drug regimens, helping to reduce the cost of care and improve clinical outcomes. With a growing network of 61 licensed pharmacies, of which 54 are full-service, Guardian is dedicated to providing exceptional service to approximately 207,000 residents (as of March 31, 2026).

Current securities

GRDNNYSE · EQUITY · Current

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