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Hyliion Holdings Corp. (HYLN)

Hyliion Holdings Corp. (HYLN) Insider Trading

Directors, officers and holders of more than 10% of HYLN report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 220 transactions on file: 1 with code P, 0 with code S and 49 with other codes.

DateInsiderCodeShares
Sep 30, 2026Panzer JonC Conversion75,457
Sep 30, 2026Oxholm Jose MiguelC Conversion52,392
Sep 30, 2026Healy Thomas J.C Conversion222,256
Sep 30, 2026Healy Thomas J.C Conversion202,033
Sep 30, 2026Healy Thomas J.C Conversion202,033
Sep 30, 2026MOOK JOSHUA T.C Conversion55,981
Sep 30, 2026Panzer JonC Conversion59,210
Sep 30, 2026MOOK JOSHUA T.C Conversion71,341
Sep 30, 2026Healy Thomas J.C Conversion222,256
Sep 30, 2026Oxholm Jose MiguelC Conversion71,341
Sep 30, 2026MOOK JOSHUA T.C Conversion71,341
Sep 30, 2026Standley GregC Conversion17,550
Sep 30, 2026Cubbage Vincent T.G Gift5,750
Sep 30, 2026Standley GregC Conversion16,633
Sep 30, 2026Standley GregC Conversion17,550
Sep 30, 2026Panzer JonC Conversion59,210
Sep 30, 2026Panzer JonC Conversion75,457
Sep 30, 2026Oxholm Jose MiguelC Conversion71,341
Sep 30, 2026Oxholm Jose MiguelC Conversion52,392
Sep 30, 2026MOOK JOSHUA T.C Conversion55,981
Sep 30, 2026Standley GregC Conversion16,633
Sep 21, 2026Oxholm Jose MiguelG Gift50,000
Aug 27, 2026Cubbage Vincent T.P Purchase50,000
Aug 21, 2026Oxholm Jose MiguelJ Other11,980
Aug 21, 2026MOOK JOSHUA T.J Other10,700
Aug 21, 2026Healy Thomas J.J Other29,840
Aug 21, 2026Panzer JonJ Other13,595
Aug 21, 2026RAMASAMY GOVINDARAJJ Other6,670
Aug 19, 2026Standley GregJ Other3,731
May 26, 2026Cubbage Vincent T.G Gift11,500
May 20, 2026Oxholm Jose MiguelJ Other3,026
May 20, 2026MOOK JOSHUA T.J Other2,003
May 20, 2026Panzer JonJ Other1,965
May 20, 2026RAMASAMY GOVINDARAJJ Other1,715
May 20, 2026Healy Thomas J.J Other11,426
May 19, 2026Oxholm Jose MiguelJ Other8,550
May 19, 2026MOOK JOSHUA T.J Other4,800
May 19, 2026Panzer JonJ Other6,100
May 19, 2026Healy Thomas J.J Other16,600
May 19, 2026Standley GregJ Other3,981
May 19, 2026RAMASAMY GOVINDARAJJ Other4,800
Mar 10, 2026RAMASAMY GOVINDARAJJ Other130
Mar 3, 2026Standley GregJ Other7,411
Mar 3, 2026RAMASAMY GOVINDARAJJ Other12,758
Mar 3, 2026Healy Thomas J.J Other58,202
Mar 3, 2026Panzer JonJ Other16,820
Mar 3, 2026LANTZ CHERIJ Other16,700
Mar 3, 2026MOOK JOSHUA T.J Other14,816
Mar 3, 2026Oxholm Jose MiguelJ Other24,900
Feb 11, 2026Craig Jeffrey AA Award60,976

The full Form 4 history is on the HYLN company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.