---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-106706"
form_type: "8-K"
ticker: "ATR"
cik: "0000896622"
company_name: "APTARGROUP, INC."
filed_at: "2026-09-10T20:06:18+00:00"
generated_at: "2026-09-10T20:07:23.635004+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# AptarGroup CAO Gandhi resigns Sept 11; Ackerman named interim CAO

## Summary
- Aditya J. Gandhi, VP and Chief Accounting Officer, resigns effective Sept 11, 2026 to pursue opportunity outside Chicago area.
- Resignation not due to any disagreement with company on operations, policies, or practices.
- Daniel Ackerman, 53, appointed Senior VP, Interim Chief Accounting Officer effective Sept 11, 2026.
- Ackerman previously served as CAO from Aug 1, 2024 to June 8, 2026; will report to CFO Vanessa Kanu.
- Ackerman joined Aptar in 2015 as VP Corporate Controller; no family or transaction conflicts disclosed.

## SEC filing metadata
- accession: 0001104659-26-106706
- form_type: 8-K
- ticker: ATR
- cik: 0000896622
- company_name: APTARGROUP, INC.
- filed_at: 2026-09-10T20:06:18+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/896622/000110465926106706/0001104659-26-106706-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/896622/000110465926106706/tm2624932d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-106706
- JSON: https://secwatch.observer/filing/0001104659-26-106706.json
- Plain text: https://secwatch.observer/filing/0001104659-26-106706.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.