SEC Insider Transactions from Landes Gregg.

Last updated: 2026-03-14 11:57 UTC | Total transactions: 25

Landes Gregg has filed 25 insider transactions across 1 company since February 2023.

Most recent transaction: a tax payment of 1924 shares of ASPEN AEROGELS INC ($ASPN) on March 08, 2026.

Activity breakdown: 0 open-market purchases and 3 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 8, 2026 ASPEN AEROGELS INC $ASPN Landes Gregg Chief Operating Officer F Common Stock 1924 $3.22 102,931.0000 82,647,081 1.83% 0.00%
March 4, 2026 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve A Common Stock 57462 $0.00 108,669.0000 82,647,081 112.22% 0.07%
March 4, 2026 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve A Stock Options (Right to Buy) 77824 $0.00 77,824.0000 82,647,081 9999.99% 0.09%
March 5, 2026 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve F Common Stock 3814 $3.27 104,855.0000 82,647,081 3.51% 0.00%
March 7, 2025 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve F Common Stock 1924 $7.95 51,207.0000 82,059,182 3.62% 0.00%
March 5, 2025 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve A Performance Share Units 49426 $0.00 49,426.0000 82,059,182 9999.99% 0.06%
March 5, 2025 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve F Common Stock 936 $7.84 28,418.0000 82,059,182 3.19% 0.00%
March 5, 2025 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve A Common Stock 24713 $0.00 53,131.0000 82,059,182 86.96% 0.03%
March 5, 2025 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve A Stock Options (Right to Buy) 34837 $0.00 34,837.0000 82,059,182 9999.99% 0.04%
Feb. 21, 2025 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve F Common Stock 499 $8.04 29,354.0000 0 1.67% 0.00%
May 6, 2024 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve S Common Stock 25463 $25.65 29,853.0000 0 46.03% 0.00%
May 6, 2024 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve S Common Stock 22923 $25.11 55,316.0000 0 29.30% 0.00%
March 8, 2024 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve F Common Stock 1771 $17.02 78,239.0000 0 2.21% 0.00%
March 5, 2024 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve A Stock Options (Right to Buy) 35249 $0.00 35,249.0000 0 9999.99% 0.00%
March 5, 2024 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve D Common Stock 53590 $0.00 71,978.0000 0 42.68% 0.00%
March 5, 2024 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve A Common Stock 8032 $0.00 80,010.0000 0 11.16% 0.00%
Feb. 23, 2024 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve F Common Stock 495 $16.96 125,898.0000 0 0.39% 0.00%
Feb. 24, 2024 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve F Common Stock 330 $16.96 125,568.0000 0 0.26% 0.00%
Nov. 20, 2023 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Deve S Common Stock 155 $11.01 126,393.0000 0 0.12% 0.00%
Sept. 7, 2023 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Dev A Stock Option (Right-to-Buy) 85000 $0.00 85,000.0000 0 9999.99% 0.00%
June 1, 2023 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Dev A Common Stock 16519 $0.00 126,548.0000 0 15.01% 0.00%
June 1, 2023 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Dev A Stock Options (Right to Buy) 75979 $0.00 75,979.0000 0 9999.99% 0.00%
Feb. 26, 2023 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Dev F Common Stock 901 $10.95 110,029.0000 0 0.81% 0.00%
Feb. 24, 2023 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Dev F Common Stock 329 $10.95 110,930.0000 0 0.30% 0.00%
Feb. 23, 2023 ASPEN AEROGELS INC $ASPN Landes Gregg SVP, Operations and Strat Dev F Common Stock 495 $11.32 111,259.0000 0 0.44% 0.00%