GALLAGHER DENNIS M.

HYLN

GALLAGHER DENNIS M. serves as Chief Operating Officer at Hyliion Holdings Corp. (HYLN). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

3 trades

$101.5K

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$101.5K

Companies Traded

HYLN

Active Period

Dec 2021 – Nov 2023

3 total trades

Most Recent

Buy HYLN

Nov 15, 2023 · $26.4K

GALLAGHER DENNIS M.'s Insider Trading at Hyliion Holdings Corp. (HYLN)

Buys

3 · $101.5K

Sells

0 · $0.00

Total Shares Bought

62,021

Total Shares Sold

HYLN Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Nov 15, 2023	Buy	40,000	$0.66	$26.4K	481,294
Nov 18, 2022	Buy	20,000	$3.10	$62.0K	281,119
Dec 10, 2021	Buy	2,021	$6.48	$13.1K	95,988

Related Insiders

Jon Panzer

Chief Financial Officer

HYLNSell · Nov 28, 2025

Greg Standley

Chief Accounting Officer.

HYLNSell · Nov 27, 2025

MOOK JOSHUA T.

Chief Technology Officer

HYLNSell · Nov 26, 2025

RAMASAMY GOVINDARAJ

Chief Commercial Officer

HYLNSell · Nov 13, 2025

Jose Miguel Oxholm

Chief Legal&Compliance Officer

HYLNSell · Sep 2, 2025

LANTZ CHERI

Chief Strategy Officer

HYLNSell · Sep 2, 2025

Thomas J. Healy

Chief Executive Officer

HYLNSell · Aug 25, 2025

Richard Joseph Freeland

Director

HYLNBuy · Aug 21, 2025

Explore More Insider Trading Data

HYLN Insider Trading Activity

View all insider trades at Hyliion Holdings Corp.

Consumer Cyclical Sector Insider Trades

See insider activity across consumer cyclical stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity