Raspberry Pi Holdings shares surged 27.6% on Tuesday after CEO Eben Upton purchased additional shares in the low-cost computing products company. The transaction, executed on the London Stock Exchange Main Market, involved 4,684 ordinary shares at an average price of £2.82327 per share.

According to a regulatory filing, the purchase valued at approximately £13,224 increased Upton's total stake to 2,591,136 ordinary shares. The transaction was completed on February 16, 2026, and disclosed in accordance with requirements for Persons Discharging Managerial Responsibilities. Investors often view insider buying by top executives as a signal of confidence in a company's future prospects.

Upton's decision to increase his stake appears to have triggered significant positive market sentiment, with shares climbing sharply in Tuesday trading. Raspberry Pi Holdings specializes in manufacturing affordable computing products that have gained popularity among hobbyists, educators, and developers worldwide. The company's ordinary shares have a nominal value of £0.0025 each.