Skip to content
★ Sign in to follow
MY

Masayuki Yamakawa

Shareholder
セルソース株式会社
Total declarations
9
Company
1
▲ Purchases (0 ops.)
—
▼ Sales (0 ops.)
—

Latest filing published 16 Sept 2026 for セルソース株式会社, €337k.

Insider track record

Disclosed buys
0
Disclosed sells
0

Not enough buy signals with a settled T+90 horizon to measure a track record yet.

Signal history

Masayuki Yamakawa: trading record in brief

Masayuki Yamakawa is a declared insider of セルソース株式会社 (major shareholder), with filings sourced from EDINET (Japan FSA). The record holds 9 filings, for trades running from 3 March 2021 to 9 September 2026.

No open-market purchase or sale appears among the filings, only grants, plan transactions and other operations. Because grants and exercises are largely decided by remuneration plans, they are not counted as purchases here.

On 16 September 2026 came the latest disclosure, a transaction in セルソース株式会社. Typically, a trade is published a median of 7 days after it takes place. That lag is the time during which only the insider knows about the trade. Every figure here comes from the filings published by EDINET (Japan FSA) and describes the past, not future prices; it is not investment advice.

Companies and markets linked to Masayuki Yamakawa

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

Declarations9 total

9 of 9 declarations