Anhalt Rona 4

What Happened
Rona Anhalt, Chief Human Resources Officer of Certara (CERT), had 9,764 restricted stock units (RSUs) vest and convert to common shares on April 1, 2026. Of those shares, 3,062 were withheld to satisfy tax withholding obligations (value reported as $17,453), leaving a net delivery of 6,702 shares to Anhalt.

Key Details

• Transaction date: April 1, 2026; Form 4 filed April 3, 2026 (appears timely).
• Actions reported: conversion/settlement of RSUs (transaction code M) and share withholding to cover taxes (transaction code F).
• Gross shares from vesting: 9,764; shares withheld for taxes: 3,062 at an implied withholding cost of $5.70 per share; net shares delivered: 6,702.
• Footnote F1: RSUs were granted May 20, 2025; one-third vested and settled Apr 1, 2026; remaining two-thirds vest equally on Apr 1, 2027 and Apr 1, 2028.
• Footnote F2: Withheld shares were used to satisfy tax withholding in connection with the RSU vesting; withholding is exempt under Rule 16b-3.
• Shares owned after transaction: not specified in the provided filing.

Context
This was a standard RSU vesting and tax-withholding event, not an open-market purchase or voluntary sale. The report shows a cashless-type settlement (shares converted from RSUs with a portion withheld for taxes), which is routine for equity awards and does not by itself indicate a buy or sell signal.