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Insider · CIK 0002037898

John Ackerman

directorother

Files at GRDN (Guardian Pharmacy Services, Inc.). First filing May 29, 2025, latest Mar 24, 2026.

In brief

John Ackerman files SEC Form 4 as director at GRDN (Guardian Pharmacy Services, Inc.). Since May 29, 2025, John Ackerman has reported 0 open-market buys worth $0 and 2 open-market sells worth $59M, the latest filed on Mar 24, 2026.

A track record needs three past buys with six months of prices behind them; John Ackerman has 0, so none is measured yet.

The newest scored trade: sold $33M of GRDN on Mar 20, 2026, filed Mar 24, 2026, scored 75 (notable). In the last 12 months: 0 buys worth $0 and 1 sell worth $33M.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 2
$0 bought, $59M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

GRDN: Guardian Pharmacy Services, Inc.

GRDNOct 12, 2026 · close 40.47

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
75Notable
GRDNsell 9
Guardian Pharmacy Services, Inc.
$33M
1,103,364 shares
-59%+81% from low0% from high
75Notable
GRDNsell 9
Guardian Pharmacy Services, Inc.
$26M
1,285,579 shares
-91%+38% from low-17% from high

Transactions

Every row this insider has filed, 22 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Sep 27, 2026GRDN
Guardian Pharmacy Services, Inc.
MOption exercise
Class A Common Stockindirect: By Pharmacy Investors, LLC
+1,413,939--3,863,80615 d ago
Sep 27, 2026GRDN
Guardian Pharmacy Services, Inc.
MOption exercise
Class A Common Stockindirect: By Cardinal Equity Fund, L.P.
+471,057--1,287,23715 d ago
Sep 27, 2026GRDN
Guardian Pharmacy Services, Inc.
MOption exercise
Class B Common Stockderivativeindirect: By Pharmacy Investors, LLC
-1,413,939--015 d ago
Sep 27, 2026GRDN
Guardian Pharmacy Services, Inc.
MOption exercise
Class B Common Stockderivativeindirect: By Cardinal Equity Fund, L.P.
-471,057--015 d ago
Mar 28, 2026GRDN
Guardian Pharmacy Services, Inc.
MOption exercise
Class A Common Stockindirect: By Pharmacy Investors, LLC
+1,413,939--2,449,867Mar 31, 2026
Mar 28, 2026GRDN
Guardian Pharmacy Services, Inc.
MOption exercise
Class A Common Stockindirect: By Cardinal Equity Fund, L.P.
+471,057--816,180Mar 31, 2026
Mar 28, 2026GRDN
Guardian Pharmacy Services, Inc.
MOption exercise
Class B Common Stockderivativeindirect: By Pharmacy Investors, LLC
-1,413,939--1,413,939Mar 31, 2026
Mar 28, 2026GRDN
Guardian Pharmacy Services, Inc.
MOption exercise
Class B Common Stockderivativeindirect: By Cardinal Equity Fund, L.P.
-471,057--471,057Mar 31, 2026
Mar 20, 2026GRDN
Guardian Pharmacy Services, Inc.
SOpen-market sale
Class A Common Stockindirect: By Pharmacy Investors, LLC
-827,636$29.68$25M1,035,928Mar 24, 2026
Mar 20, 2026GRDN
Guardian Pharmacy Services, Inc.
SOpen-market sale
Class A Common Stockindirect: By Cardinal Equity Fund, L.P.
-275,728$29.68$8.2M345,123Mar 24, 2026
Sep 27, 2025GRDN
Guardian Pharmacy Services, Inc.
MOption exercise
Class A Common Stockindirect: By Pharmacy Investors, LLC
+1,413,940--1,863,564Sep 30, 2025
Sep 27, 2025GRDN
Guardian Pharmacy Services, Inc.
MOption exercise
Class A Common Stockindirect: By Cardinal Equity Fund, L.P.
+471,057--620,851Sep 30, 2025
Sep 27, 2025GRDN
Guardian Pharmacy Services, Inc.
MOption exercise
Class B Common Stockderivativeindirect: By Pharmacy Investors, LLC
-1,413,940--2,827,878Sep 30, 2025
Sep 27, 2025GRDN
Guardian Pharmacy Services, Inc.
MOption exercise
Class B Common Stockderivativeindirect: By Cardinal Equity Fund, L.P.
-471,057--942,114Sep 30, 2025
May 27, 2025GRDN
Guardian Pharmacy Services, Inc.
SOpen-market sale
Class A Common Stockindirect: By Pharmacy Investors, LLC
-813,318$20.16$16M600,622May 29, 2025
May 27, 2025GRDN
Guardian Pharmacy Services, Inc.
SOpen-market sale
Class A Common Stockindirect: By Cardinal Equity Fund, L.P.
-270,958$20.16$5.5M200,099May 29, 2025
May 28, 2025GRDN
Guardian Pharmacy Services, Inc.
SOpen-market sale
Class A Common Stockindirect: By Pharmacy Investors, LLC
-150,998$20.16$3.0M449,624May 29, 2025
May 28, 2025GRDN
Guardian Pharmacy Services, Inc.
SOpen-market sale
Class A Common Stockindirect: By Cardinal Equity Fund, L.P.
-50,305$20.16$1.0M149,794May 29, 2025
Mar 28, 2025GRDN
Guardian Pharmacy Services, Inc.
MOption exercise
Class A Common Stockindirect: By Pharmacy Investors, LLC
+1,413,940--1,413,940Apr 1, 2025
Mar 28, 2025GRDN
Guardian Pharmacy Services, Inc.
MOption exercise
Class A Common Stockindirect: By Cardinal Equity Fund, L.P.
+471,057--471,057Apr 1, 2025
Mar 28, 2025GRDN
Guardian Pharmacy Services, Inc.
MOption exercise
Class B Common Stockderivativeindirect: By Pharmacy Investors, LLC
-1,413,940--4,241,818Apr 1, 2025
Mar 28, 2025GRDN
Guardian Pharmacy Services, Inc.
MOption exercise
Class B Common Stockderivativeindirect: By Cardinal Equity Fund, L.P.
-471,057--1,413,171Apr 1, 2025

Questions about John Ackerman

Answered from the filings on this page, as of the latest one.

Is John Ackerman buying or selling?

In the last 12 months John Ackerman reported 0 open-market buys worth $0 and 1 open-market sell worth $33M on SEC Form 4; the latest was sold $33M of GRDN on Mar 20, 2026. Grants, option exercises and tax withholding are not counted.

How did John Ackerman's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and John Ackerman has 0.

Where does John Ackerman file Form 4?

John Ackerman has filed Form 4 at GRDN (Guardian Pharmacy Services, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

John Ackerman: insider trades and track record | InsiderTell