Biggest Insider Buys: January 2026

The largest open-market insider purchases disclosed in SEC Form 4 filings, ranked by dollar value.

In January 2026, 303 open-market insider purchases of $50K or more were disclosed across 123 companies in SEC Form 4 filings, totaling $999.8M. The largest single purchase was $67.4M by WATSA V PREM ET AL at Under Armour, Inc. (UA).

← All monthly rankings

Largest purchases · January 2026

Source
UAPurchase$67.4MJan 2SEC ↗
THMPurchase$40.0MJan 27SEC ↗
AKTSPurchase$40.0MJan 12SEC ↗
UAPurchase$29.5MJan 21SEC ↗
WRBPurchase$24.8MJan 28SEC ↗
WRBPurchase$24.6MJan 23SEC ↗
WRBPurchase$23.6MJan 28SEC ↗
WRBPurchase$22.3MJan 23SEC ↗
WRBPurchase$22.1MJan 14SEC ↗
THMPurchase$21.8MJan 30SEC ↗
WRBPurchase$21.6MJan 21SEC ↗
WRBPurchase$21.0MJan 21SEC ↗
WRBPurchase$20.9MJan 28SEC ↗
WRBPurchase$20.5MJan 16SEC ↗
AKTSPurchase$20.0MJan 14SEC ↗
WRBPurchase$19.8MJan 30SEC ↗
WRBPurchase$19.0MJan 9SEC ↗
WRBPurchase$18.2MJan 7SEC ↗
GRX.EPurchase$18.0MJan 2SEC ↗
WRBPurchase$17.6MJan 14SEC ↗
WRBPurchase$16.5MJan 2SEC ↗
WRBPurchase$16.2MJan 16SEC ↗
WRBPurchase$16.2MJan 2SEC ↗
WRBPurchase$15.9MJan 14SEC ↗
WRBPurchase$15.1MJan 7SEC ↗
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