On August 21, 2025, multiple small-cap stocks came into focus after their promoters sold significant holdings via insider trades. These transactions indicate deliberate moves by promoter groups, potentially shaping investor outlook and impacting stock movements in the near term.

Here are the 4 small-cap stocks in which promoters offload stakes on 21st August 2025

MTAR Technologies Limited

With a market capitalization of Rs. 4,644.70 crore, the shares of MTAR Technologies Limited were currently trading at Rs. 1513.50 per equity share, up nearly 0.22 percent from its previous day’s close price of Rs. 1,510.20. 

On 21st August 2025, Mitta Madhavi, a Promoter, disposed of 30,000 shares (0.10 percent) at an average price of Rs. 1,510.7, reducing her holding to 14.01 shares (4.55 percent). The total value of this transaction was Rs. 4.53 crore.

MTAR Technologies Limited was established in 1970 and is engaged in precision engineering and manufacturing. It supports India’s space, nuclear, defense, aerospace, and clean energy sectors by producing mission-critical components, assemblies, and systems with advanced technology and high accuracy.

Nirlon Limited

With a market capitalization of Rs. 5,010.11 crore, the shares of Nirlon Limited were currently trading at Rs. 555.95 per equity share, up nearly 0.34 percent from its previous day’s close price of Rs. 554.05. 

On 21st August 2025, Shital Trading & Interiors Private Limited, a Promoter Group, disposed of 5,000 shares (0.01 percent) at an average price of Rs. 555, reducing its holding to 50,000 shares (0.06 percent). The total value of this transaction was Rs. 27.75 lakh.

Nirlon Limited was established in 1958 and is engaged in developing and managing the Nirlon Knowledge Park, a major industrial and IT park in Mumbai. It supports business infrastructure with commercial real estate services and facilities for various industries.

Power Mech Projects Limited

With a market capitalization of Rs. 10,214.12 crore, the shares of Power Mech Projects Limited were currently trading at Rs. 3,230.65 per equity share, up nearly 1.19 percent from its previous day’s close price of Rs. 3,192.55. 

On 21st August 2025, Sivarama Krishna Prasad Sajja, a Promoter Group, disposed of 300 shares at an average price of Rs. 3,190.3, reducing his holding to 3,300 shares (0.01 percent). The total value of this transaction was Rs. 9.57 lakh.

Power Mech Projects Limited was established in 1999 and is a leading infrastructure and construction company focused on the erection, testing, and commissioning of power plants. It also provides operation, maintenance, and civil engineering services across power, oil, gas, and infrastructure sectors worldwide.

Usha Martin Limited

With a market capitalization of Rs. 11,404.96 crore, the shares of Usha Martin  Limited were currently trading at Rs. 374.25 per equity share, up nearly 1.63 percent from its previous day’s close price of Rs. 368.25. 

On 21st August 2025, Peterhouse Investments India Limited, a Promoter Group, disposed of 2 lakh shares (0.07 percent) at an average price of Rs. 371.2, reducing its holding to 59.67 lakh shares (1.96 percent). The total value of this transaction was Rs. 7.42 crore.

Usha Martin Limited was established in 1960 and manufactures high-quality wire ropes, steel wires, and strands. It serves diverse sectors like oil and gas, mining, elevators, cranes, infrastructure, and wind energy, supporting construction, material handling, and industrial applications globally.

Written By – Nikhil Naik

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