March 10, 2026 · Form 4 insider transaction
Mackinnon Stuart bought 58,213 shares of National Interstate Corp at $44.56 per share, a transaction worth $2.59M. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 2 days after the transaction.
These are time-based restricted stock units granted on March 10, 2026 with 25% of such units vesting on February 16, 2027, 25% of such units vesting on February 16, 2028, and 50% of such units vesting on February 16, 2029 (each a "Vesting Date"), subject to the person's continued employment with the issuer through the applicable Vesting Dates, and in accordance with the terms and conditions of the applicable award agreement.