Prajzner Edward J 4

What Happened
Edward J. Prajzner, Senior Executive VP and Chief Financial Officer of Mistras Group (MG), had 1,367 shares withheld to pay taxes related to the vesting of restricted stock units. The withholding used a per-share value of $14.05, for a total tax payment value of $19,206. This was a withholding disposition (tax payment), not an open-market sale or purchase.

Key Details

• Transaction date: 2026-03-22; Filing date: 2026-03-23 (timely filing).
• Action: Shares withheld to satisfy tax withholding on vested RSUs (transaction code F).
• Shares withheld: 1,367 at $14.05 per share; total value ~ $19,206.
• Shares owned after transaction: Not specified in the filing.
• Footnote: F1 — shares were withheld to pay taxes upon vesting of restricted stock units.
• Filing status: No late filing indicated.

Context
Tax-withholding on vested RSUs is a routine administrative transaction and does not necessarily indicate the insider is selling additional shares or expressing a view on the company’s prospects. Retail investors typically treat these withholdings as neutral; purchases are generally more informative about insider confidence.