Joshua T. Mook

Companies

• Hyliion Holdings Corp.Chief Technology Officer Feb 15, 2024 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• HHyliion Holdings Corp. HYLN1,096,606 shares²$3.5M at $3.15Aug 21, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Aug 21, 2026Other 10,700 shares at $3.33 of Hyliion Holdings Corp.²
• May 20, 2026Other 2,003 shares at $3.92 of Hyliion Holdings Corp.³
• May 19, 2026Other 4,800 shares at $4.06 of Hyliion Holdings Corp.³
• Mar 3, 2026Other 14,816 shares at $2.04 of Hyliion Holdings Corp.⁴
• Feb 11, 2026Granted 95,122 shares at $2.05 of Hyliion Holdings Corp.⁵
• Dec 12, 2025Other 12,949 shares at $1.94 of Hyliion Holdings Corp.⁶
• Nov 27, 2025Shares withheld for tax 1,361 shares at $1.85 of Hyliion Holdings Corp.⁷
• Nov 26, 2025Granted 540,541 shares at $1.85 of Hyliion Holdings Corp.⁷
• Nov 17, 2025Other 9,039 shares at $1.66 of Hyliion Holdings Corp.⁸
• Nov 14, 2025Shares withheld for tax 7,397 shares at $1.70 of Hyliion Holdings Corp.⁸
• Nov 13, 2025Shares withheld for tax 4,110 shares at $1.68 of Hyliion Holdings Corp.⁸
• Aug 27, 2025Shares withheld for tax 1,361 shares at $1.69 of Hyliion Holdings Corp.⁹
• Aug 25, 2025Shares withheld for tax 8,430 shares at $1.77 of Hyliion Holdings Corp.¹⁰
• Aug 25, 2025Shares withheld for tax of Hyliion Holdings Corp.¹¹
• May 27, 2025Shares withheld for tax 1,361 shares at $1.14 of Hyliion Holdings Corp.¹²
• May 13, 2025Shares withheld for tax 4,110 shares at $1.91 of Hyliion Holdings Corp.¹³
• Feb 27, 2025Shares withheld for tax 1,361 shares at $1.61 of Hyliion Holdings Corp.¹⁴
• Feb 18, 2025Granted 93,302 shares of Hyliion Holdings Corp.¹⁵
• Feb 13, 2025Shares withheld for tax 19,646 shares at $2.14 of Hyliion Holdings Corp.¹⁶
• Dec 11, 2024Converted 101,250 shares of Hyliion Holdings Corp.¹⁷
• Nov 14, 2024Converted 60,750 shares of Hyliion Holdings Corp.¹⁸
• Aug 27, 2024Shares withheld for tax 1,361 shares at $1.94 of Hyliion Holdings Corp.¹⁹
• Aug 13, 2024Converted 40,500 shares of Hyliion Holdings Corp.²⁰
• May 27, 2024Shares withheld for tax 1,361 shares at $1.51 of Hyliion Holdings Corp.²¹
• Feb 27, 2024Shares withheld for tax 6,623 shares at $1.57 of Hyliion Holdings Corp.²²