SEC Insider Transactions from Standley Greg.

Last updated: 2026-03-14 11:55 UTC | Total transactions: 44

Standley Greg, Chief Accounting Officer at Hyliion Holdings Corp. ($HYLN), made one open market purchase of $HYLN shares in the last 365 days, totaling $5,650. His most recent buy occurred on May 23, 2025. This ranks him 4,525th among 4,983 insiders by purchase amount, well below the average of $1.46 million across 3.3 transactions. He reported no open market 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 3, 2026 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. J Common Stock 7411 $2.04 261,280.0000 186,582,398 2.76% 0.00%
Feb. 11, 2026 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. A Common Stock 46803 $2.05 268,691.0000 186,582,398 21.09% 0.03%
Feb. 11, 2026 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. A Performance Stock Incentive Units 70203 $0.00 70,203.0000 186,582,398 9999.99% 0.04%
Dec. 12, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. J Common Stock 4010 $1.94 221,888.0000 186,582,398 1.78% 0.00%
Nov. 27, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 519 $1.85 225,898.0000 186,582,398 0.23% 0.00%
Nov. 14, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 2275 $1.70 226,417.0000 186,582,398 0.99% 0.00%
Nov. 12, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 1264 $1.90 228,692.0000 186,582,398 0.55% 0.00%
Nov. 6, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 1577 $2.08 229,956.0000 186,582,398 0.68% 0.00%
Aug. 27, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 519 $1.69 231,533.0000 186,046,206 0.22% 0.00%
Aug. 12, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 2781 $1.69 232,052.0000 186,046,206 1.18% 0.00%
Aug. 6, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 6307 $1.51 234,833.0000 186,046,206 2.62% 0.00%
May 27, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 519 $1.14 241,140.0000 185,842,864 0.21% 0.00%
May 23, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. P Common Stock 5000 $1.13 241,659.0000 185,842,864 2.11% 0.00%
May 12, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 1264 $1.79 236,659.0000 185,842,864 0.53% 0.00%
March 26, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 656 $1.55 237,923.0000 184,428,472 0.27% 0.00%
March 18, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 427 $1.60 238,579.0000 184,428,472 0.18% 0.00%
Feb. 28, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 964 $1.69 239,006.0000 184,428,472 0.40% 0.00%
Feb. 27, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 476 $1.61 239,970.0000 184,428,472 0.20% 0.00%
Feb. 18, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. A Common Stock 27722 $0.00 240,446.0000 184,428,472 13.03% 0.02%
Feb. 18, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. A Performance Stock Incentive Units 83165 $0.00 83,165.0000 184,428,472 9999.99% 0.05%
Feb. 12, 2025 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 4977 $1.99 212,724.0000 184,428,472 2.29% 0.00%
Dec. 26, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 350 $2.73 217,701.0000 184,335,183 0.16% 0.00%
Dec. 18, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 443 $2.65 218,051.0000 184,335,183 0.20% 0.00%
Dec. 11, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. C Performance Stock Incentive Units 23437 $0.00 0.0000 184,335,183 100.00% 0.01%
Dec. 11, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. C Common Stock 23437 $0.00 218,494.0000 184,335,183 12.02% 0.01%
Nov. 27, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 391 $3.71 195,057.0000 184,335,183 0.20% 0.00%
Nov. 14, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. C Performance Stock Incentive Units 14063 $0.00 23,437.0000 184,335,183 37.50% 0.01%
Nov. 14, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. C Common Stock 14063 $0.00 195,448.0000 184,335,183 7.75% 0.01%
Sept. 26, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 351 $2.37 181,385.0000 184,155,114 0.19% 0.00%
Sept. 18, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 443 $2.11 181,736.0000 184,155,114 0.24% 0.00%
Aug. 27, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 391 $1.94 182,179.0000 184,155,114 0.21% 0.00%
Aug. 13, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. C Common Stock 9375 $0.00 182,570.0000 184,155,114 5.41% 0.01%
Aug. 13, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. C Performance Stock Incentive Units 9375 $0.00 37,500.0000 184,155,114 20.00% 0.01%
Aug. 6, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. A Common Stock 58824 $0.00 173,195.0000 184,155,114 51.43% 0.03%
June 26, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 350 $1.62 114,371.0000 184,016,695 0.31% 0.00%
June 18, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 443 $1.54 114,721.0000 184,016,695 0.38% 0.00%
May 27, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 377 $1.51 115,164.0000 184,016,695 0.33% 0.00%
March 26, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 798 $1.48 115,541.0000 183,071,317 0.69% 0.00%
March 18, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 540 $1.50 116,339.0000 183,071,317 0.46% 0.00%
Feb. 27, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 1903 $1.57 117,843.0000 183,071,317 1.59% 0.00%
Feb. 28, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 964 $1.68 116,879.0000 183,071,317 0.82% 0.00%
Feb. 12, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. A Common Stock 46875 $0.00 46,875.0000 183,071,317 9999.99% 0.03%
Feb. 12, 2024 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. A Common Stock 46875 $0.00 120,189.0000 183,071,317 63.94% 0.03%
June 18, 2023 Hyliion Holdings Corp. $HYLN Standley Greg Chief Accounting Officer. F Common Stock 443 $1.84 119,746.0000 179,826,309 0.37% 0.00%