SEC Insider Transactions from Wolkin Harold.

Last updated: 2026-03-14 11:00 UTC | Total transactions: 6

Wolkin Harold has filed 6 insider transactions across 1 company since September 2024.

Most recent transaction: a disposition of 30000 shares of ZeroStack Corp. ($ZSTK) on June 30, 2025.

Activity breakdown: 3 open-market purchases and 0 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
June 30, 2025 ZeroStack Corp. $ZSTK Wolkin Harold Not found D Stock Appreciation Rights ("SARs") 30000 $0.00 0.0000 19,435,642 100.00% 0.15%
June 30, 2025 ZeroStack Corp. $ZSTK Wolkin Harold Not found A Stock Appreciation Rights ("SARs") 30000 $0.00 30,000.0000 19,435,642 9999.99% 0.15%
Dec. 15, 2024 ZeroStack Corp. $ZSTK Wolkin Harold Not found A Stock Appreciation Rights ("SARs") 30000 $0.00 30,000.0000 0 9999.99% 0.00%
Sept. 6, 2024 ZeroStack Corp. $ZSTK Wolkin Harold Not found P Common Shares 5000 $0.96 5,000.0000 0 9999.99% 0.00%
Sept. 6, 2024 ZeroStack Corp. $ZSTK Wolkin Harold Not found P Common Shares 5000 $0.95 10,000.0000 0 100.00% 0.00%
Sept. 6, 2024 ZeroStack Corp. $ZSTK Wolkin Harold Not found P Common Shares 15000 $0.98 25,000.0000 0 150.00% 0.00%