Should Investors Buy Shares Too as Tennant Director Mulligan Buys 8,000 Shares for $539,000?

Tennant Company director Donal L. Mulligan purchased 8,000 shares worth $539,000 on August 12, 2026, increasing his total holdings by 27% to 38,175 shares. The purchase at $67.34 per share came after the stock declined 20% following earnings, suggesting insider confidence that current operational headwinds from an ERP transition are temporary. Tennant, a Dividend King with 53 consecutive years of dividend increases, is undergoing transformation toward autonomous robotics with 56% growth in that segment, though near-term margins remain pressured.