MSS Insider Trading

Net Buying · 180d
Open-Market Buys (180d)
$9K
1 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$9K
open market, 180d
Reporting Insiders
1
4 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

7 shown
DateInsiderRoleActionSharesPriceValue
Apr 22, 2026Xu JohnCEO and President, Director, 10% OwnerBuy(P)15K$0.13$2K
Apr 22, 2026Xu JohnCEO and President, Director, 10% OwnerBuy(P)8K$0.12$1K
Apr 2, 2026Xu JohnCEO and President, Director, 10% OwnerBuy(P)24K$0.15$4K
Apr 1, 2026Xu JohnCEO and President, Director, 10% OwnerBuy(P)20K$0.14$3K
Mar 17, 2025Cao XiChief Operating OfficerSell(S)58$1.21$70
Mar 14, 2025Cao XiChief Operating OfficerBuy(P)8$1.27$10
Feb 27, 2025Cao XiChief Operating OfficerBuy(P)50$1.21$61

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 2021-03-292026-07-14. Earlier history is backfilling; this window widens as it deepens.

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