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Companies · ATR · Plastics Products, Nec · Exec change · Sep 10, 2026

AptarGroup CAO resigns, with former accounting chief returning as interim successor

CAO departurenew
Internal former CAO appointed interim successor
APTARGROUP, INC. (ATR) — what happened, in plain English, and what it means versus what the market expected.

The headline is an unexpected finance leadership change, not a control breakdown. Aditya Gandhi is resigning as vice president, chief accounting officer and principal accounting officer effective September 11, 2026, to pursue another opportunity outside the Chicago area. 〔0〕 The filing says the departure was not caused by disagreement with the company, its operations, policies or practices. 〔1〕

The immediate disruption is partly contained by an experienced internal replacement. Daniel Ackerman, who previously served as AptarGroup’s chief accounting officer and principal accounting officer from August 1, 2024 through June 8, 2026, will resume the role on an interim basis. 〔2〕 That makes this less severe than an unplanned departure with no ready successor, but it still leaves the company needing to find a permanent accounting chief only about three months after Gandhi took over.

Net read: mixed, with continuity offsetting the leadership vacancy. There is no earnings, guidance or accounting-restatement disclosure here to indicate a change to reported financial expectations. The market likely learns more from the eventual permanent appointment; until then, the experienced interim arrangement reduces execution risk but does not eliminate the uncertainty created by another near-term CAO transition.

Read the original 8-K on SEC EDGAR ↗
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