Massivemarkets

SEC Form 4

Guardian Pharmacy Services, Inc. (GRDN) insider trading

In the 12 months to Oct 26, 2026, 9 GRDN insiders reported open-market sales of $419.3M across 9 filings; one director bought $99.8K.

Latest filing · Last 12 months · Source: SEC EDGAR · How we count

Open-market sales
$419.3M
9 filings · 9 insiders
Open-market purchases
$99.8K
1 filing · Steven D. Cosler, Director

Who traded GRDN, and when

  • Purchase
  • Sale

GRDN daily close from Oct 27, 2025 to Oct 26, 2026, between $27.03 and $48.00, last $39.08. 9 sale and 1 purchase filings by 10 insiders, marked at their filing dates. Bindley Capital Partners I, LLC, 10% owner: sold $106.0M across 1 filing, first filed Mar 24, 2026, last Mar 24, 2026. Thomas J. Salentine Jr., Director: sold $106.0M across 1 filing, first filed Mar 24, 2026, last Mar 24, 2026. William E. Bindley, Director: sold $106.0M across 1 filing, first filed Mar 24, 2026, last Mar 24, 2026. John Ackerman, Director: sold $32.8M across 1 filing, first filed Mar 24, 2026, last Mar 24, 2026. Pharmacy Investors, LLC, Other: sold $24.6M across 1 filing, first filed Mar 24, 2026, last Mar 24, 2026. Fred Burke, Officer (see filing): sold $19.9M across 1 filing, first filed Mar 24, 2026, last Mar 24, 2026. Steven D. Cosler, Director: bought $99.8K across 1 filing, first filed Dec 5, 2025, last Dec 5, 2025. 3 others: sold $24.1M across 3 filings, first filed Mar 24, 2026, last Mar 24, 2026.

Largest mark · tap a row for others

Bindley Capital Partners I, LLC · 10% owner

Sale $105,986,620

3,570,677 shares at $29.68 avg

Filed Mar 24, 2026 · traded Mar 20

Close on filing date $37.57

GRDN daily closelast $39.08

Bindley Capital Partners I, LLC · 10% owner

$106.0M sold

Thomas J. Salentine Jr. · Director

$106.0M sold

William E. Bindley · Director

$106.0M sold

John Ackerman · Director

$32.8M sold

Pharmacy Investors, LLC · Other

$24.6M sold

Fred Burke · Officer (see filing)

$19.9M sold

Steven D. Cosler · Director

$99.8K bought

3 others

$24.1M sold
One row per insider, smaller filers combined; marks sit at the SEC filing date, sized by dollar value.

Open-market trades

10 filings in the last 12 months
Other insider activity (not market trades) · 34 records
  • Option exercises27 records
  • Grants and awards5 records
  • Gifts2 records

Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.

How to read this page

Open-market purchase or sale
A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
Filing date
Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.

Frequently asked questions

How current is GRDN’s insider data?

These are GRDN Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.

What counts as an open-market buy or sell?

Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.

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Track GRDN insider trades with your agent

This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:

Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for GRDN every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.

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