LANE KATHY S 4

What Happened

• Kathy S. Lane, a director of Hanover Insurance Group, received an award of 3.767 restricted stock units (RSUs) on 2026-06-26. The reported acquisition price for the grant is $0. This grant represents dividend-equivalent RSUs tied to previously granted RSUs under the issuer's 2022 Long-Term Incentive Plan (2022 LTIP).

Key Details

• Transaction date: 2026-06-26; Filing date (Form 4): 2026-06-30 (timely filed).
• Transaction type: Award/Grant (A) — 3.767 RSUs; reported acquisition price $0.00.
• Vesting: These units vest on the earlier of the one-year anniversary of the original RSUs or the date of the next annual meeting (per footnote).
• Deferral: The reporting person has elected to defer the grant upon vesting pursuant to a deferral agreement.
• Other holdings: Footnote notes 4,829 shares held indirectly in a Rabbi Trust under deferral agreements (not included in the 3.767 units).
• No sale or purchase of market shares occurred — this is a compensation award rather than an open-market trade.

Context

• Dividend-equivalent RSU grants are typically compensation-related adjustments and do not equate to a cash purchase or sale by the insider. They are often routine and tied to prior equity awards. This filing does not by itself indicate a change in the insider’s market view.