Bay Walter D.

Arthur J. Gallagher & Co · General Counsel

Bay Walter D. is listed in public filings as officer: General Counsel. This Bay Walter D. insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Arthur J. Gallagher & Co (AJG). Investors use Bay Walter D.'s insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Arthur J. Gallagher & CoAJG$18M83.9k sharesGrant / ExerciseMar 31, 2026$305.6K1.4k shares$215.95--
Arthur J. Gallagher & CoAJG--4k sharesGrant / ExerciseMar 31, 2026Disclosure amount unavailable1.4k shares----
Arthur J. Gallagher & CoAJG$18M83.3k sharesGrant / ExerciseMar 31, 2026$135.4K627 shares$215.95--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Arthur J. Gallagher & CoAJG$16M75.4k sharesGrant / ExerciseMar 15, 2026$501.3K2.4k shares$207.93--
Arthur J. Gallagher & CoAJG--7.1k sharesGrant / ExerciseMar 15, 2026Disclosure amount unavailable7.1k shares----
Arthur J. Gallagher & CoAJG--7.1k sharesGrant / ExerciseMar 15, 2026Disclosure amount unavailable7.1k shares----
Arthur J. Gallagher & CoAJG--5.4k sharesGrant / ExerciseMar 4, 2026Disclosure amount unavailable2k shares----
Arthur J. Gallagher & CoAJG$3.9M17k sharesGrant / ExerciseMar 1, 2026$3.9M17k shares$228.20--
Arthur J. Gallagher & CoAJG$20M79.5k sharesSellDec 19, 2025$4.0M15.9k shares$255.00--
Arthur J. Gallagher & CoAJG$015.9k sharesGrant / ExerciseDec 19, 2025$1.3M15.9k shares$79.59--
Arthur J. Gallagher & CoAJG--77.8k sharesGrant / ExerciseDec 19, 2025Disclosure amount unavailable1.7k shares----
Arthur J. Gallagher & CoAJG--3.4k sharesGrant / ExerciseMar 31, 2025Disclosure amount unavailable79 shares----
Arthur J. Gallagher & CoAJG$27M79.5k sharesGrant / ExerciseMar 31, 2025$27.2K79 shares$345.24--
Arthur J. Gallagher & CoAJG$26M79.5k sharesGrant / ExerciseMar 15, 2025$1.0M3.1k shares$325.24--
Arthur J. Gallagher & CoAJG--7.2k sharesGrant / ExerciseMar 15, 2025Disclosure amount unavailable7.2k shares----
Arthur J. Gallagher & CoAJG--7.2k sharesGrant / ExerciseMar 15, 2025Disclosure amount unavailable7.2k shares----