John Ackerman
Member of 10% Owner Group, Director at Guardian Pharmacy Services, Inc. (GRDN)
John Ackerman has filed 7 insider reports with the SEC since October 2024, as member of 10% Owner Group and director at Guardian Pharmacy Services, Inc. (GRDN). In the last 12 months John Ackerman sold $32.8M of stock on the open market. The latest filing, on September 28, 2026, reports exercise or conversion of a derivative at Guardian Pharmacy Services, Inc. (GRDN).
- Filings
- 7
- Companies
- 1
- Bought on market
- None
- Sold on market
- $58.7M
Companies where John Ackerman is an insider
| Company | Role | Shares held | Bought | Sold | Avg buy | Price now | Last filing |
|---|---|---|---|---|---|---|---|
| GRDN Guardian Pharmacy Services, Inc. | Member of 10% Owner Group, Director | $58.7M | $42.39 | Sep 28, 2026 |
Shares held: common shares owned directly after the latest filing that states it. Avg buy: open-market purchase dollars divided by shares bought, every filing on record.
Every filing
- Sep 27, 2026GRDNMember of 10% Owner Group Ackerman John converted options into 1,884,996 sharesForm 4Exercise or conversion of a derivative
- Mar 28, 2026GRDNSEC Form 4 filed by Ackerman JohnForm 4Exercise or conversion of a derivative
- Mar 20, 2026-$32.8MGRDNSEC Form 4 filed by Ackerman JohnForm 4Open-market sale
- Sep 27, 2025GRDNDirector Ackerman John converted options into 1,884,997 sharesForm 4Exercise or conversion of a derivative
- May 28, 2025-$25.9MGRDNDirector Ackerman John sold $25,917,273 worth of shares (1,285,579 units at $20.16)Form 4Open-market sale
- Mar 28, 2025GRDNDirector Ackerman John converted options into 1,884,997 sharesForm 4Exercise or conversion of a derivative
- Sep 27, 2024GRDNSEC Form 4 filed by Director Ackerman JohnForm 4Grant or award
Compare John Ackerman with
- John Ackerman vs William Franklin Mudd1 shared
- John Ackerman vs Robert Weir1 shared
- John Ackerman vs Thomas J Salentine Jr1 shared
- John Ackerman vs Fred Burke1 shared
- John Ackerman vs David Norman Martin1 shared
- John Ackerman vs Jeffrey Tuch1 shared
Other insiders at the same companies
- William Franklin MuddGRDN
- Robert WeirGRDN
- Thomas J Salentine JrGRDN
- Fred BurkeGRDN
- David Norman MartinGRDN
- Pharmacy Investors, LLCGRDN
- Jeffrey TuchGRDN
- Kendall ForbesGRDN
- William E BindleyGRDN
- Richard EakinsGRDN
- Chris CrisafulliGRDN
- David K MorrisGRDN
- Cardinal Equity Fund, L.P.GRDN
- Bindley Capital Partners I, LLCGRDN
- Douglas TownsGRDN
- Steven D CoslerGRDN
Questions about John Ackerman
- What is John Ackerman's role at Guardian Pharmacy Services, Inc.?
- John Ackerman reports to the SEC as member of 10% Owner Group and director at Guardian Pharmacy Services, Inc. (GRDN), according to the latest filing on September 28, 2026.
- Has John Ackerman bought or sold stock recently?
- The most recent open-market sale was on March 20, 2026: sold 1,103,364 shares of Guardian Pharmacy Services, Inc. (GRDN) for $32.8M at an average of $29.68.
- How do I get alerts when John Ackerman files?
- Follow John Ackerman on Quantisnow and you get an email, and a phone notification on Plus, within minutes of each new Form 4 or Form 5, and of each Form 144 notice of a planned sale. John Ackerman filed 1 time in the last 90 days.
From SEC Forms 3, 4, 5 and 144 filed by John Ackerman (SEC CIK 0002037898). Totals count each trade once, skipping amendments whose original is on file, from Oct 1, 2024 on. View on SEC EDGAR