Insider buying in January 2026

What corporate insiders bought with their own money in January 2026: every qualifying open-market purchase, and the stocks where two or more insiders bought within the same rolling window. Parsed from SEC Form 4 filings, linked to the source.

Total bought
$1.1B
Notable buys
808
Stocks
205
Clusters
55

Cluster buys detected in January 2026

Biggest individual buys of January 2026

InsiderTickerDateValueFiling
Popstefanov Gjorgi
Director
SHCOJan 29, 2026$100.0MSEC ↗
PAULSON & CO. INC.
10% Owner
THMJan 27, 2026$40.0MSEC ↗
NODELMAN OLEG
Director
AKTSJan 12, 2026$37.4MSEC ↗
WATSA V PREM ET AL
10% Owner
UAJan 21, 2026$29.5MSEC ↗
L1 Capital Pty Ltd
10% Owner
AVRJan 22, 2026$28.8MSEC ↗
L1 Capital Pty Ltd
10% Owner
AVRJan 22, 2026$28.8MSEC ↗
BlackRock Portfolio Management LLC
10% Owner
YSSJan 30, 2026$25.6MSEC ↗
MS&AD Insurance Group Holdings, Inc.
10% Owner
WRBJan 22, 2026$22.3MSEC ↗
MS&AD Insurance Group Holdings, Inc.
10% Owner
WRBJan 27, 2026$22.0MSEC ↗
PAULSON & CO. INC.
10% Owner
THMJan 28, 2026$21.8MSEC ↗
MPM ONCOLOGY INNOVATIONS FUND LP
10% Owner
AKTSJan 12, 2026$20.0MSEC ↗
GADICKE ANSBERT
10% Owner
AKTSJan 12, 2026$20.0MSEC ↗
MS&AD Insurance Group Holdings, Inc.
10% Owner
WRBJan 26, 2026$19.6MSEC ↗
MS&AD Insurance Group Holdings, Inc.
10% Owner
WRBJan 28, 2026$18.9MSEC ↗
MS&AD Insurance Group Holdings, Inc.
10% Owner
WRBJan 20, 2026$18.0MSEC ↗

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