Insider buying on Sep 21, 2026

Insiders reported 44 open-market purchases worth $368.9M and 102 sales worth $601.3M in SEC filings on Sep 21, 2026.

Cluster buying in today's filings

RWT Redwood Trust Inc: 6 insiders bought $969K between Sep 15 and Sep 21
CYBN Cybin Inc.: 3 insiders bought $3.8M between Sep 8 and Sep 21
BUKS Butler National Corp: 3 insiders bought $284K between Sep 14 and Sep 21

Top purchases

Stock	Insider	Value	Holdings	Signal	Traded / filed
GRAB Grab Holdings Ltd	Anthony Ping Yeow Tan Chief Executive Officer	$29.9M 10,350,000 sh @ $2.89	+2415.4%	High Very large purchase ($29.9M) Bought by the CEO More than doubles holdings (+2415%)	Sep 21, 2026 Filed Sep 21, 2026
GSAT Globalstar, Inc.	James Monroe III Director	$29.8M 361,600 sh @ $82.52	+775.1%	High Very large purchase ($29.8M) More than doubles holdings (+775%) Held indirectly (trust, fund or family)	Sep 18, 2026 Filed Sep 21, 2026
GME GameStop Corp.	Ryan Cohen President, CEO and Chairman	$26.4M 1,150,680 sh @ $22.94	+2.9%	High Very large purchase ($26.4M) Bought by the CEO	Sep 21, 2026 Filed Sep 21, 2026
CYBN Cybin Inc.	Michael Halstead Chief Executive Officer	$1.3M 100,000 sh @ $13.47	+145.8%	High Large purchase ($1.3M) Bought by the CEO More than doubles holdings (+146%)	Sep 21, 2026 Filed Sep 21, 2026
LEN Lennar Corp /New/	Berkshire Hathaway Inc 10% owner	$212.4M 2,743,529 sh @ $77.42	–	Medium Very large purchase ($212.4M) Held indirectly (trust, fund or family)	Sep 17, 2026 Filed Sep 21, 2026
LNBIX Lincoln Bain Capital Total Credit Fund	Lincoln Financial Investments Corp 10% owner	$25.0M 2,460,630 sh @ $10.16	+9.7%	Medium Very large purchase ($25.0M) Held indirectly (trust, fund or family)	Sep 17, 2026 Filed Sep 21, 2026
GPI Group 1 Automotive Inc	Conifer Management, L.L.C. 10% owner	$16.9M 65,650 sh @ $256.78	+4.5%	Medium Very large purchase ($16.9M) Held indirectly (trust, fund or family)	Sep 17, 2026 Filed Sep 21, 2026
ENHA Enhanced Group Inc.	Apeiron Investment Group Ltd. Director	$7.0M 6,080,047 sh @ $1.15	+16.3%	Medium Large purchase ($7.0M) Held indirectly (trust, fund or family)	Sep 17, 2026 Filed Sep 21, 2026
CRM Salesforce, Inc.	David Blair Kirk Director	$999K 4,176 sh @ $239.33	+28.7%	Medium Sizable purchase ($999K) Raises holdings 29%	Sep 18, 2026 Filed Sep 21, 2026
CRBG Corebridge Financial, Inc.	Nippon Life Insurance Co 10% owner	$6.2M 174,760 sh @ $35.20	+0.1%	Low Large purchase ($6.2M) Pre-scheduled (10b5-1 plan)	Sep 17, 2026 Filed Sep 21, 2026
GRAB Grab Holdings Ltd	Alexander Charles Hungate President and COO	$867K 299,571 sh @ $2.89	+4.9%	Low Sizable purchase ($867K) Bought by the President/COO	Sep 21, 2026 Filed Sep 21, 2026
PRTA Prothena Corp Public Ltd Co	William P Scully 10% owner	$843K 100,000 sh @ $8.43	+12.1%	Low Sizable purchase ($843K)	Sep 18, 2026 Filed Sep 21, 2026
GLP Global Partners Lp	Global GP LLC Other	$504K 10,000 sh @ $50.35	+6.2%	Low Sizable purchase ($504K)	Sep 17, 2026 Filed Sep 21, 2026
GME GameStop Corp.	Alain Attal Director	$402K 17,500 sh @ $22.97	+2.9%	Low Sizable purchase ($402K)	Sep 21, 2026 Filed Sep 21, 2026
BORR Borr Drilling Ltd	De Oliveira Bruno Morand Chief Executive Officer	$200K 45,500 sh @ $4.40	+4.7%	Low Bought by the CEO	Sep 18, 2026 Filed Sep 21, 2026
RTB RTB Digital, Inc.	Jason Christopher Dorsett 10% owner	$197K 19,000 sh @ $10.36	+0.5%	Low	Sep 17, 2026 Filed Sep 21, 2026
GF New Germany Fund Inc	Saba Capital Management, L.P. 10% owner	$167K 15,443 sh @ $10.84	+0.4%	Low Held indirectly (trust, fund or family)	Sep 17, 2026 Filed Sep 21, 2026
EPSN Epsilon Energy Ltd.	Jason Stabell Chief Executive Officer	$137K 23,104 sh @ $5.91	+3.7%	Low Bought by the CEO Held indirectly (trust, fund or family)	Sep 16, 2026 Filed Sep 21, 2026
EU enCore Energy Corp.	William M Sheriff Executive Chairman	$101K 125,000 sh @ $0.81	–	Low Bought by the Chair Held indirectly (trust, fund or family)	Sep 18, 2026 Filed Sep 21, 2026
CTRI Centuri Holdings, Inc.	Dustin DeMaria Director	$100K 5,200 sh @ $19.27	+67.2%	Low Raises holdings 67%	Sep 18, 2026 Filed Sep 21, 2026

Plus 19 smaller purchases. Each stock page has the full history.

Largest sales

Stock	Insider	Value	Holdings	Plan	Traded / filed
BZ Kanzhun Ltd	Peng Jonathan Zhao Chief Executive Officer	$110.0M 15,170,000 sh @ $7.25	−12.0%	Not pre-scheduled	Sep 21, 2026 Filed Sep 21, 2026
ANET Arista Networks, Inc.	Andreas Bechtolsheim 10% owner	$59.7M 300,000 sh @ $198.95	−0.2%	Pre-scheduled	Sep 17, 2026 Filed Sep 21, 2026
TWST Twist Bioscience Corp	Emily M. Leproust Chief Executive Officer	$56.3M 356,546 sh @ $157.99	−36.5%	Pre-scheduled	Sep 17, 2026 Filed Sep 21, 2026
SNDK Sandisk Corp	David Goeckeler Chairman & CEO	$53.3M 33,841 sh @ $1,574.21	−8.1%	Pre-scheduled	Sep 17, 2026 Filed Sep 21, 2026
DELL Dell Technologies Inc.	Silver Lake Partners IV, L.P. Director	$30.7M 52,488 sh @ $585.77	−3.7%	Not pre-scheduled	Sep 17, 2026 Filed Sep 21, 2026
GSAT Globalstar, Inc.	James F Lynch Director	$29.8M 361,600 sh @ $82.52	−50.7%	Not pre-scheduled	Sep 18, 2026 Filed Sep 21, 2026
DELL Dell Technologies Inc.	Sl Spv-2, L.P. Director	$27.1M 46,253 sh @ $585.91	−28.7%	Not pre-scheduled	Sep 17, 2026 Filed Sep 21, 2026
SION Sionna Therapeutics, Inc.	Ra Capital Management, L.P. Director	$21.8M 3,448,811 sh @ $6.33	−50.0%	Not pre-scheduled	Sep 17, 2026 Filed Sep 21, 2026
WDAY Workday, Inc.	David A Duffield 10% owner	$18.3M 94,089 sh @ $194.69	−47.2%	Pre-scheduled	Sep 18, 2026 Filed Sep 21, 2026
DELL Dell Technologies Inc.	Silver Lake Partners V DE (AIV), L.P. Director	$15.6M 26,553 sh @ $585.91	−30.9%	Not pre-scheduled	Sep 17, 2026 Filed Sep 21, 2026

Insider buying on Sep 21, 2026

Cluster buying in today's filings

Top purchases

Largest sales

The week's top insider buys, every Monday