Insider trading

Officers, directors, and 10% owners buying and selling their own company's stock, from SEC Form 4 filings. Newest first.

Showing the last 10 days.Sign up free for 90 days
TypeSymbolInsiderSharesValueTradedFiled
BuyVISM
Lucky Mark Burdon
CFO and Interim Principal, Director, 10% owner
249,005$4KOct 25, 2023Oct 29, 2026
OtherTDTH
Haiyan Huang
Chief Financial Officer
59,198$38KOct 28, 2026Oct 29, 2026
OtherTDTH
Haiyan Huang
Chief Financial Officer
59,198$38KOct 28, 2026Oct 29, 2026
GrantGRDX
Skowron Anna
Interim CFO
75,000—Oct 26, 2026Oct 29, 2026
DisposeDOW
Tate Jeffrey L.
Chief Financial Officer
25,564$869KOct 26, 2026Oct 28, 2026
ExerciseDRD
Hooijer Henriette
Chief Financial Officer, Director
50,415—Oct 25, 2026Oct 28, 2026
SellDRD
Hooijer Henriette
Chief Financial Officer, Director
22,687$55KOct 27, 2026Oct 28, 2026