Massivemarkets

SEC Form 4

AptarGroup, Inc. (ATR) insider trading

In the 12 months to Oct 26, 2026, 8 ATR insiders reported open-market sales of $7.8M across 12 filings; no open-market purchases were filed.

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

Open-market sales
$7.8M
12 filings · 8 insiders
Open-market purchases
$0
0 filings

Who traded ATR, and when

  • Sale

ATR daily close from Oct 27, 2025 to Oct 26, 2026, between $111.94 and $145.72, last $127.01. 12 sale and 0 purchase filings by 8 insiders, marked at their filing dates. Daniel Ackerman, Chief Accounting Officer: sold $1.8M across 1 filing, first filed Dec 15, 2025, last Dec 15, 2025. Stephan B. Tanda, President and CEO: sold $1.3M across 1 filing, first filed Aug 4, 2026, last Aug 4, 2026. Marc Prieur, Segment President: sold $1.3M across 3 filings, first filed Feb 11, 2026, last Aug 5, 2026. Hedi Tlili, Segment President: sold $1.2M across 1 filing, first filed Aug 3, 2026, last Aug 3, 2026. Gael Touya, Segment President → Segment Pres., CEO Designate: sold $995.0K across 2 filings, first filed Feb 19, 2026, last Aug 28, 2026. Shiela Vinczeller, Chief Human Resources Officer: sold $500.1K across 2 filings, first filed Jun 5, 2026, last Sep 3, 2026. 2 others: sold $643.8K across 2 filings, first filed May 8, 2026, last May 27, 2026.

Largest mark · tap a row for others

Daniel Ackerman · Chief Accounting Officer

Sale $1,818,435

15,000 shares at $121.23 avg

Filed Dec 15, 2025 · traded Dec 12

Close on filing date $122.33

ATR daily closelast $127.01

Daniel Ackerman · Chief Accounting Officer

$1.8M sold

Stephan B. Tanda · President and CEO

$1.3M sold

Marc Prieur · Segment President

$1.3M sold

Hedi Tlili · Segment President

$1.2M sold

Gael Touya · Segment President → Segment Pres., CEO Designate

$995.0K sold

Shiela Vinczeller · Chief Human Resources Officer

$500.1K sold

2 others

$643.8K sold
One row per insider, smaller filers combined; marks sit at the SEC filing date, sized by dollar value.

Open-market trades

12 filings in the last 12 months
Other insider activity (not market trades) · 77 records
  • Option exercises3 records
  • Tax withholding31 records
  • Grants and awards43 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.
Role
The title on each filing. Someone whose title changed shows more than one.
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

Has AptarGroup, Inc.'s CEO sold stock?

Yes. Gael Touya (CEO) sold 3,740 shares ($500.3K) in Aug 2026. Stephan B. Tanda (CEO) sold 9,838 shares ($1.3M) in Aug 2026.

How current is ATR’s insider data?

These are ATR 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 ATR 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 ATR 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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