APH · 10-Q · 2026Q3 · Full report

Stock Split

AMPHENOL CORP /DE/ · 2026-10-30 · Importance 18 · Surprise 42

On August 6, 2026, Amphenol announced a two-for-one split of its Class A Common Stock, effected as a stock dividend to holders of record on August 17. Additional shares were distributed on September 2, and trading on a split-adjusted basis began September 3, 2026. The filing retroactively adjusts share counts, per-share information, earnings per share, and dividends per share for the split.

Key facts

• On August 6, 2026, Amphenol announced that its Board approved a two-for-one split of its Class A Common Stock. source
• The stock split was effected as a stock dividend to stockholders of record at close of business on August 17, 2026; the additional shares were distributed September 2, 2026, and the stock began split-adjusted trading September 3, 2026. source
• Amphenol Common Stock retains a par value of $0.001 per share after the stock split. source