ALUMIS Inc. (ALMS) Director James B. Tananbaum purchased 411,764 shares of common stock on January 8, 2026, at a price of $17 per share. After the purchase, James B. Tananbaum indirectly holds 5,702,536 shares, 2,908,332 shares, 4,247,670 shares, 194,459 shares, 1,960,337 shares, and 1,176,470 shares of common stock, respectively. Such purchases by directors often indicate confidence in the company's future prospects, which is generally seen as a positive signal for investors to monitor the company's future developments.