As no specific announcement content was provided, I will generate an illustrative example based on a common SAST/Insider Trading scenario, adhering to all your specified preferences.
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**Illustrative Example Summary (based on hypothetical data):**
Institutional investor Stellar Investments disposed of 22.5 lakh shares of TechInnovate Ltd, valued at ₹40.5 Cr. This transaction reduced their stake from 9.8% to 7.55% of the company's total share capital. This marks a notable decrease in institutional holding.