Cates G. Staley 4

What Happened Cates G. Staley, a director of Affiliated Managers Group, Inc. (AMG), was granted 172 stock units on May 1, 2026. The units were awarded at $0.00 (no cash purchase) and are a derivative award that represents the right to receive one share per unit upon vesting. This was an equity award (grant), not an open-market purchase or sale.

Key Details

• Transaction date: 2026-05-01; Form filed: 2026-05-05 (filed within the SEC’s two-business-day window).
• Transaction type/code: Award/Grant (A); 172 stock units acquired at $0.00.
• Footnote: Each stock unit equals one share of common stock upon vesting; units vest in full on August 15, 2027.
• Shares owned after transaction: Not specified in the filing.
• Nature of transaction: Derivative award (right to receive shares upon vesting), not an immediate cash transaction.

Context Restricted stock units (RSUs or "stock units") are commonly used for director and executive compensation; they don’t represent current voting shares or dividends until settled and typically vest on a future date. Grants are routine and reflect compensation policy rather than a direct buy/sell signal about the officer’s market view.