Thomas J. Healy

Insider Reports History

Reporting-owner location: Cedar Park, TX
Latest reporting-owner signature: /s/ Thomas J. Healy
Transaction source note: Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Thomas J. Healy

Form 4 holding Chief Executive Officer, Director, 10%+ Owner

Hyliion Holdings Corp.

Security class: Common Stock
Shares / value: 35,312,262
Estimated value: $62,149,581
Report date: 20 May 2026
Price: $1.76
Ownership: Direct

Form 4 holding Chief Executive Officer, Director, 10%+ Owner

Hyliion Holdings Corp.

Security class: Performance Stock Incentive Units
Shares / value: 889,024
Estimated value: $2,161,760
Report date: 11 Feb 2026
Price: $2.14
Ownership: Direct
Underlying class: Common Stock
Underlying amount

Insider Reports Filed by Thomas J. Healy

4 HYLN

Hyliion Holdings Corp.

Report period: 19 May 2026
Transactions: 2
Transaction value: $0
Accepted by SEC: 21 May 2026, 16:20
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 03 Mar 2026
Transactions: 1
Transaction value: $0
Accepted by SEC: 04 Mar 2026, 18:27
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 11 Feb 2026
Transactions: 2
Transaction value: +$607,501
Accepted by SEC: 13 Feb 2026, 18:56
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 12 Dec 2025
Transactions: 1
Transaction value: -$261,828
Accepted by SEC: 15 Dec 2025, 17:13
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 17 Nov 2025
Transactions: 1
Transaction value: -$265,228
Accepted by SEC: 18 Nov 2025, 17:07
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4/A HYLN

Hyliion Holdings Corp.

Report period: 25 Aug 2025
Transactions: 1
Transaction value: $0
Accepted by SEC: 18 Nov 2025, 17:06
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 13 May 2025
Transactions: 1
Transaction value: -$21,808
Accepted by SEC: 14 May 2025, 17:00
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 26 Mar 2025
Transactions: 1
Transaction value: -$14,155
Accepted by SEC: 26 Mar 2025, 17:55
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 28 Feb 2025
Transactions: 1
Transaction value: -$40,124
Accepted by SEC: 03 Mar 2025, 16:54
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 18 Feb 2025
Transactions: 2
Transaction value: $0
Accepted by SEC: 20 Feb 2025, 17:44
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 13 Feb 2025
Transactions: 1
Transaction value: -$81,361
Accepted by SEC: 13 Feb 2025, 19:20
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 11 Dec 2024
Transactions: 2
Transaction value: $0
Accepted by SEC: 12 Dec 2024, 19:19
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 14 Nov 2024
Transactions: 2
Transaction value: $0
Accepted by SEC: 18 Nov 2024, 17:15
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 13 Aug 2024
Transactions: 2
Transaction value: $0
Accepted by SEC: 13 Aug 2024, 17:44
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 26 Mar 2024
Transactions: 1
Transaction value: -$13,515
Accepted by SEC: 27 Mar 2024, 18:44
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 28 Feb 2024
Transactions: 1
Transaction value: -$43,247
Accepted by SEC: 29 Feb 2024, 18:26
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 13 Feb 2024
Transactions: 2
Transaction value: $0
Accepted by SEC: 15 Feb 2024, 18:02
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 14 Nov 2023
Transactions: 2
Transaction value: +$157,796
Accepted by SEC: 15 Nov 2023, 18:52
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 20 Jun 2023
Transactions: 1
Transaction value: $0
Accepted by SEC: 22 Jun 2023, 18:57
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 26 Mar 2023
Transactions: 1
Transaction value: -$19,542
Accepted by SEC: 28 Mar 2023, 19:01
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 28 Feb 2023
Transactions: 2
Transaction value: -$70,023
Accepted by SEC: 02 Mar 2023, 18:08
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 26 Mar 2022
Transactions: 1
Transaction value: -$39,907
Accepted by SEC: 27 Jun 2022, 19:19
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 24 Feb 2022
Transactions: 1
Transaction value: $0
Accepted by SEC: 28 Feb 2022, 20:57
Role: CHIEF EXECUTIVE OFFICER, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 01 Feb 2022
Transactions: 1
Transaction value: -$1,787,600
Accepted by SEC: 03 Feb 2022, 15:02
Role: CHIEF EXECUTIVE OFFICER, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 01 Nov 2021
Transactions: 1
Transaction value: -$2,493,210
Accepted by SEC: 04 Nov 2021, 20:00
Role: CEO, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 20 Oct 2021
Transactions: 1
Transaction value: -$1,554,120
Accepted by SEC: 22 Oct 2021, 20:00
Role: CHIEF EXECUTIVE OFFICER, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 22 Sep 2021
Transactions: 1
Transaction value: -$1,682,980
Accepted by SEC: 24 Sep 2021, 20:00
Role: CHIEF EXECUTIVE OFFICER, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 25 Aug 2021
Transactions: 1
Transaction value: -$1,791,000
Accepted by SEC: 27 Aug 2021, 19:00
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 28 Jul 2021
Transactions: 1
Transaction value: -$1,968,720
Accepted by SEC: 30 Jul 2021, 20:44
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4/A HYLN

Hyliion Holdings Corp.

Report period: 30 Jun 2021
Transactions: 1
Transaction value: -$2,330,800
Accepted by SEC: 07 Jul 2021, 17:24
Role: Chief Executive Officer, Director, 10%+ Owner
Next action: Open filing details

4 HYLN

Hyliion Holdings Corp.

Report period: 19 May 2021
Transactions: 1
Transaction value: -$2,800,470
Accepted by SEC: 21 May 2021, 14:56
Role: CHIEF EXECUTIVE OFFICER, Director, 10%+ Owner
Next action: Open filing details

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