Windsor Machines: Promoter Ramesh Siyani Increases Stake to 5.99% via Warrant Conversion
Windsor Machines Limited completed warrant conversion process with trading approval for 26.06 lakh equity shares, while promoter Ramesh Keshubhai Siyani increased his shareholding to 5.99% from 2.99%. The transaction enhanced the company's equity base to ₹17.42 crores and was completed under SEBI regulatory compliance with shares subject to lock-in until June 2027.

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Windsor Machines Limited has received trading approval for 26.06 lakh equity shares from warrant conversion, while promoter Ramesh Keshubhai Siyani disclosed substantial acquisition of shares under SEBI regulations. The development involves conversion of warrants into equity shares and subsequent increase in promoter shareholding.
Trading Approval and Share Allotment
The company secured trading approval from both NSE and BSE on December 26, 2025, for 26,06,203 equity shares allotted through warrant conversion on preferential basis. Trading commenced from December 29, 2025, with shares carrying distinctive numbers from 84478319 to 87084521.
| Parameter: | Details |
|---|---|
| Number of Shares: | 26,06,203 |
| Face Value: | ₹2.00 per share |
| Premium: | ₹189.85 per share |
| Trading Commencement: | December 29, 2025 |
| Lock-in Period: | Until June 30, 2027 |
Promoter Shareholding Enhancement
Ramesh Keshubhai Siyani, acting as acquirer along with Person Acting in Concert (PAC) Plutus Investments and Holding Private Limited, filed disclosure under Regulation 29(2) of SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011. The acquisition occurred through conversion of warrants into equity shares.
| Shareholding Details: | Before Acquisition | After Acquisition |
|---|---|---|
| Ramesh Siyani's Holding: | 26,06,202 shares (2.99%) | 52,12,405 shares (5.99%) |
| PAC Holding: | 3,50,02,247 shares (40.19%) | 3,50,02,247 shares (40.19%) |
| Combined Holding: | 43.18% | 46.18% |
Share Capital Structure
The warrant conversion has altered the company's equity structure. Before the acquisition, the equity share capital stood at ₹16.90 crores consisting of 8,44,78,318 equity shares of ₹2 face value each. Post-acquisition, the equity share capital increased to ₹17.42 crores comprising 8,70,84,521 equity shares.
| Capital Structure: | Amount (₹ Crores) | Number of Shares |
|---|---|---|
| Pre-Acquisition Capital: | 16.90 | 8,44,78,318 |
| Post-Acquisition Capital: | 17.42 | 8,70,84,521 |
| Total Diluted Capital: | 20.54 | 10,27,21,737 |
Warrant Conversion Details
The company had originally allotted 2,60,62,027 warrants at ₹191.85 per warrant (including premium of ₹189.85) on January 09, 2025, on preferential basis. These warrants are convertible into equity shares within 18 months from issuance date. As of this disclosure, 1,04,24,811 warrants have been converted into equity shares, with 1,56,37,216 warrants remaining outstanding.
Regulatory Compliance
Both NSE (letter NSE/LIST/52174) and BSE (letter LOD/PREF/SV/464/2025-2026) provided formal approvals on December 26, 2025. The disclosure was made pursuant to SEBI regulations, with the promoter filing signed digitally on December 30, 2025. The newly allotted shares are subject to lock-in restrictions until June 30, 2027.
Historical Stock Returns for Windsor Machines
| 1 Day | 5 Days | 1 Month | 6 Months | 1 Year | 5 Years |
|---|---|---|---|---|---|
| -0.41% | -8.45% | -11.63% | -32.73% | -23.82% | +1,315.90% |


































