Heiden William K

MacroGenics, Inc. · Director

Heiden William K is listed in public filings as director. This Heiden William K 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 MacroGenics, Inc. (MGNX), and Atara Biotherapeutics, Inc. (ATRA). Investors use Heiden William K'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
MacroGenics, Inc.MGNX--3.8k sharesGrant / ExerciseMay 19, 2026Disclosure amount unavailable3.8k shares----
MacroGenics, Inc.MGNX$99k22k sharesGrant / ExerciseMay 19, 2026$99.4K22k shares$4.52--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
MacroGenics, Inc.MGNX--3.8k sharesGrant / ExerciseMay 18, 2026Disclosure amount unavailable3.8k shares----
MacroGenics, Inc.MGNX$165k111k sharesBuyAug 20, 2025$73.8K49.5k shares$1.49--
MacroGenics, Inc.MGNX$93k61.5k sharesBuyAug 19, 2025$76.8K50.5k shares$1.52--
Atara Biotherapeutics, Inc.ATRA--22.2k sharesGrant / ExerciseJun 10, 2025Disclosure amount unavailable7.8k shares----
MacroGenics, Inc.MGNX--3.8k sharesGrant / ExerciseMay 21, 2025Disclosure amount unavailable3.8k shares----
MacroGenics, Inc.MGNX$33k22k sharesGrant / ExerciseMay 21, 2025$32.8K22k shares$1.49--
MacroGenics, Inc.MGNX--6.5k sharesGrant / ExerciseMay 20, 2025Disclosure amount unavailable6.5k shares----