Billion-dollar profiteering in stock market investigation: Suspicious share sale of lawyer couple
In the Istanbul-based stock exchange fund investigation, the sales of 4.8 billion and the gain of billions made by a lawyer couple on a single share attracted attention.
Quick Look
In the stock market investigation of the Istanbul Chief Public Prosecutor's Office, the sales of 4.8 billion liras and a net profit of 2.5 billion liras in a single share of the lawyer Gökhan and Yasemin Yavuz Koçyiğit couple, among the 19 suspects referred to the courthouse, were revealed.
AI-generated summary
Why It Matters
Istanbul Chief Public Prosecutor's Office is carrying out an operation of illegal share sales and market fraud.
The financial dimension of the network comes to light in the investigation of illegal share sales, market fraud and stock exchange funds carried out by the Istanbul Chief Public Prosecutor's Office.
In the huge operation in which 19 suspects, whose interrogation processes at the police station were completed, were referred to the Istanbul Courthouse, the billions of cash outflows made by a lawyer couple among the suspects attracted attention.
According to the investigation reports included in the investigation file, the highest volume and suspicious financial transactions were detected in the accounts of Istanbul Bar Association registered lawyer Yasemin Yavuz Koçyiğit and her husband Gökhan Koçyiğit, who work within the Beyoğlu-based Förde Law Office. According to the information obtained by Sabah Newspaper, it was determined that the couple invested only in Katılımevim (KATLEV) shares, without trading in any other stocks in the last year.
Investigative units revealed that the couple disposed of all their shares just before the judicial investigations and fund operation began. In response to the principal amount of 2 billion 320 million TL invested by the duo in the shares in question, the size of the collective sale they made reached 4 billion 854 million TL. The couple made a net cash gain of 2 billion 534 million TL on this share alone.
In the investigation file that reveals the manipulation network, the jaw-dropping individual cash flow of the husband and wife is also detailed:
Gökhan Koçyiğit: Katılımevim invested a total of 1 billion 864 million TL in its shares. Following the sales before the operation, it collected 3 billion 924 million TL and made a net profit of 2 billion 60 million TL alone.
What to Watch
AI outlook — possibilities, not facts
Suspects are referred to court after their interrogation at the courthouse
Very likely · Within days
Open Questions
- What will be the situation of the other suspects detained during the operation?
- Who are the other names behind the suspicious transactions?



