Accessibility StatementSkip Navigation NEW YORK, Sept. 26, 2025 /PRNewswire/ -- American Trust Investment Services, Inc. ("ATIS"), a FINRA and SEC-registered boutique investment bank and broker-dealer, today announced key updates to its executive leadership team as the firm continues its strategic transformation and rapid growth across equity capital markets, mergers and acquisitions, and corporate finance advisory. With an active IPO and ECM pipeline, NASDAQ Capital Markets membership since 2024, and an ex ...