Insider buying in May 2026

What corporate insiders bought with their own money in May 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
$6.6B
Notable buys
827
Stocks
311
Clusters
110

Cluster buys detected in May 2026

Biggest individual buys of May 2026

InsiderTickerDateValueFiling
VisionWave Holdings, Inc.
Director
SVREMay 28, 2026$3.6BSEC ↗
VisionWave Holdings, Inc.
Director
SVREMay 21, 2026$864.0MSEC ↗
SUMITOMO MITSUI FINANCIAL GROUP, INC.
Director
JEFMay 1, 2026$310.0MSEC ↗
Blackstone Treasury Holdings III L.L.C.
10% Owner
BXDCMay 15, 2026$182.2MSEC ↗
MALONE JOHN C
Director Emeritus
LILAMay 22, 2026$106.5MSEC ↗
RA CAPITAL MANAGEMENT, L.P.
Director, 10% Owner
ARTVMay 11, 2026$75.0MSEC ↗
Cynosure Group, LLC
Director, 10% Owner
BRCBMay 15, 2026$64.4MSEC ↗
RBC Global Asset Management (U.S.) Inc.
10% Owner, Adviser
RIAEXMay 28, 2026$48.9MSEC ↗
RA CAPITAL MANAGEMENT, L.P.
Director, 10% Owner
COAGMay 4, 2026$45.7MSEC ↗
CASCADE INVESTMENT, L.L.C.
10% Owner
RSGMay 13, 2026$35.1MSEC ↗
CASCADE INVESTMENT, L.L.C.
10% Owner
RSGMay 14, 2026$31.4MSEC ↗
TPG GP A, LLC
Former 10% Owner
ODTXMay 11, 2026$25.0MSEC ↗
Lincoln Financial Investments Corp
10% Owner, Investment Adviser
LNBIXMay 14, 2026$25.0MSEC ↗
VAN ECK ASSOCIATES CORP
10% Owner
CLOOMay 1, 2026$24.9MSEC ↗
Tether Global Investments Fund, S.I.C.A.F., S.A.
10% Owner
GOLDMay 5, 2026$23.6MSEC ↗

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