CNTB Insider Trading

Net Buying · 180d
Open-Market Buys (180d)
$4.4M
1 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$4.4M
open market, 180d
Reporting Insiders
1
2 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

6 shown
DateInsiderRoleActionSharesPriceValue
Jun 30, 2026Xanthopoulos Kleanthis GabrielDirectorGrant(A)4K$0
Jun 30, 2026Liu Jean IDirectorGrant(A)7K$0
May 29, 2026Huang JamesDirectorBuy(P)150K$2.48$372K
Mar 31, 2026Huang JamesDirectorBuy(P)1.2M$3.45$4.0M
Mar 31, 2026Liu Jean IDirectorGrant(A)5K$0
Mar 31, 2026Xanthopoulos Kleanthis GabrielDirectorGrant(A)3K$0

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-03-292026-07-11. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).