Ackerman John
SEC Form 4 insider trading activity
Ackerman John has filed 3 SEC Form 4 filings (6 transaction rows) across 1 company, with disclosures dating back to 2025. 3 of those filings fall inside the rolling window. Most recent filing: Mar 31, 2026.
On the most recent filing, Ackerman John is listed as Director at Guardian Pharmacy Services, Inc. Inside the rolling window, Ackerman John reported no open-market purchases and 1 open-market sale totaling $32.8M in GRDN.
Companies traded
Other insiders at GRDN
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$32.8M
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Ackerman John made?
Ackerman John has filed 3 SEC Form 4 filings (6 transaction rows) across 1 company since 2025.
Which companies does Ackerman John trade?
Ackerman John has filed SEC Form 4 disclosures for 1 company, including GRDN.
When was Ackerman John's most recent SEC Form 4 filing?
Ackerman John's most recent SEC Form 4 filing on Tracefour is dated Mar 31, 2026.
What is Ackerman John's total buy and sell value in the current window?
Inside the rolling retention window, Ackerman John bought $0 and sold $32.8M based on SEC Form 4 filings.
What was Ackerman John's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 1,103,364 GRDN shares on 2026-03-20, worth $32.8M, per SEC Form 4 filings.