Clark Christopher B 4

What Happened

• Christopher B. Clark, a director of Otter Tail Corp (OTTR), was awarded 1,900 shares of restricted common stock under the company's 2023 Stock Incentive Plan on April 13, 2026 (transaction coded as an Award/Grant, "A"). The grant is valued at $91.15 per share (total ≈ $173,185). These restricted shares will vest in near-equal installments of one-third per year beginning April 8, 2027.
• This was a compensation award (not an open-market purchase or sale), so it reflects standard director remuneration rather than an immediate trading decision.

Key Details

• Transaction date: April 13, 2026; Form 4 filed April 14, 2026 (timely; within the typical two-business-day window).
• Type/code: Award/Grant (A); Shares: 1,900; Price: N/A; Fair market value listed as $91.15 per share (footnote).
• Vesting: One-third per year beginning April 8, 2027 (restricted stock award).
• Shares owned after transaction: Not specified in the filing; footnote notes total direct holdings include shares acquired individually and via restricted stock distributions.
• No 10b5-1 plan, tax-withholding details, or late-filing flags are indicated in the provided filing.

Context

• Restricted stock awards are common compensation for directors and typically vest over time; they are not immediate buy/sell signals. For investors, purchases by insiders often carry more direct interpretive weight than routine awards, which primarily reflect pay structure.