Martens Robert C. 4

What Happened

• Robert C. Martens, SVP — Chief Innovation & Design at Allegion plc (ALLE), disposed of 3,993 shares via an open-market sale on May 7, 2026. The shares were sold at $137.15 each for gross proceeds of approximately $547,640. This was a sale (transaction code "S") rather than a purchase or option exercise.

Key Details

• Transaction date and price: May 7, 2026 — 3,993 shares at $137.15 per share.
• Total proceeds: about $547,640 (gross).
• Shares owned after transaction: not specified in the information provided.
• Plan or footnotes: filing indicates an open-market sale; no 10b5-1 plan, tax-withholding, or other special footnotes were disclosed in the provided details.
• Filing timeliness: Form 4 was filed on May 11, 2026. That filing date falls within the standard two business-day reporting window following the May 7 transaction, so it appears timely.

Context

• Sales by corporate insiders can be routine (diversification, liquidity, tax reasons) and do not by themselves indicate company performance. Retail investors should consider this sale alongside broader insider activity, company fundamentals, and market conditions before drawing conclusions.