SEC Insider Transactions from Siwek William E.

Last updated: 2026-03-14 11:37 UTC | Total transactions: 28

Siwek William E has filed 28 insider transactions across 1 company since December 2022.

Most recent transaction: a option exercise of 12034 shares of TPI COMPOSITES, INC ($TPICQ) on March 21, 2025.

Activity breakdown: 2 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
March 21, 2025 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO M Common Stock 12034 $0.00 272,137.0000 47,609,136 4.63% 0.03%
March 21, 2025 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO F Common Stock 3352 $0.84 268,785.0000 47,609,136 1.23% 0.01%
March 21, 2025 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO M Restricted Stock Units 12034 $0.00 24,068.0000 47,609,136 33.33% 0.03%
March 19, 2025 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO A Restricted Stock Units 70081 $0.00 70,081.0000 47,609,136 9999.99% 0.15%
March 18, 2025 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO F Common Stock 4842 $1.04 260,103.0000 47,609,136 1.83% 0.01%
March 18, 2025 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO M Common Stock 17385 $0.00 264,945.0000 47,609,136 7.02% 0.04%
March 18, 2025 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO M Restricted Stock Units 17385 $0.00 52,153.0000 47,609,136 25.00% 0.04%
March 10, 2025 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO M Common Stock 32875 $0.00 256,716.0000 47,609,136 14.69% 0.07%
March 10, 2025 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO F Common Stock 9156 $1.02 247,560.0000 47,609,136 3.57% 0.02%
March 10, 2025 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO M Restricted Stock Units 32875 $0.00 0.0000 47,609,136 100.00% 0.07%
Feb. 21, 2025 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO A Common Stock 8219 $0.00 226,566.0000 47,609,136 3.76% 0.02%
Feb. 21, 2025 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO F Common Stock 2725 $1.46 223,841.0000 47,609,136 1.20% 0.01%
Nov. 13, 2024 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO P Common Stock 10000 $2.19 218,347.0000 0 4.80% 0.00%
March 21, 2024 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO F Common Stock 5157 $2.88 208,347.0000 0 2.42% 0.00%
March 21, 2024 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO M Common Stock 12034 $0.00 213,504.0000 0 5.97% 0.00%
March 21, 2024 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO M Restricted Stock Units 12034 $0.00 36,102.0000 0 25.00% 0.00%
March 18, 2024 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO A Restricted Stock Units 69538 $0.00 69,538.0000 0 9999.99% 0.00%
March 11, 2024 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO M Common Stock 14809 $0.00 207,816.0000 0 7.67% 0.00%
March 11, 2024 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO F Common Stock 6346 $3.15 201,470.0000 0 3.05% 0.00%
March 11, 2024 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO M Restricted Stock Units 14809 $0.00 0.0000 0 100.00% 0.00%
Aug. 18, 2023 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO P Common Stock 10000 $4.90 193,007.0000 0 5.46% 0.00%
March 21, 2023 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO A Restricted Stock Units 48136 $0.00 48,136.0000 0 9999.99% 0.00%
March 11, 2023 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO M Common Stock 47583 $0.00 203,397.0000 0 30.54% 0.00%
March 13, 2023 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO F Common Stock 20390 $12.90 183,007.0000 0 10.02% 0.00%
March 11, 2023 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO M Restricted Stock Units 47583 $0.00 0.0000 0 100.00% 0.00%
Dec. 31, 2022 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO M Common Stock 47938 $0.00 175,973.0000 0 37.44% 0.00%
Dec. 31, 2022 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO F Common Stock 20159 $10.14 155,814.0000 0 11.46% 0.00%
Dec. 31, 2022 TPI COMPOSITES, INC $TPICQ Siwek William E President and CEO M Restricted Stock Units 47938 $0.00 0.0000 0 100.00% 0.00%