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$HYLN All transactions

Hyliion Holdings Corp.

J

$ Value

$15K

Shares

9,039

Price

$2

Filed

Nov 17

Insider

Name

MOOK JOSHUA T.

Title

Chief Technology Officer

CIK

0002011297

Roles

Officer

Transaction Details

Transaction Date

2025-11-17

Code

J

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

507,572

Footnotes

Shares withheld for the payment of a tax liability related to the vesting and distribution of restricted stock units. | These shares were sold at the direction of the issuer under the terms of the issuer's award agreement with the reporting person. Under the award agreement, the decision to sell shares to cover the reporting person's tax withholding obligations is at the sole discretion of the issuer. | This transaction includes the sale of issuer common shares to cover the reporting person's tax withholding obligation for vesting dates on August 25, 2025. As a result of an administrative error by the issuer's third-party service provider, cash was paid on behalf of the reporting person for tax withholding obligations on the vesting date, August 25, 2025. A corresponding sale of issuer common shares to cover the reporting person's tax withholding obligation on August 25, 2025 could not be completed until the opening of the issuer's next window period. Accordingly, the the above shares attributed to the vesting on August 25, 2025 were sold November 17, 2025, the first available date during an open window period on which the shares could be sold on behalf of the reporting person.

Filing Info

Accession No.

0001628280-25-052748

Form Type

4

Issuer CIK

0001759631

MOOK JOSHUA T.'s History

Date Ticker Type Value
2026-03-03 HYLN J $30K
2026-02-11 HYLN A $195K
2026-02-11 HYLN A $0
2025-12-12 HYLN J $25K
2025-11-27 HYLN F $3K
2025-11-26 HYLN A $1.0M
2025-11-17 HYLN J $15K
2025-11-14 HYLN F $13K
2025-11-13 HYLN F $7K
2025-08-27 HYLN F $2K

Other Insiders at HYLN (90d)

Insider Bought Sold Last
KNIGHT ROBERT M JR 2026-02-11
Freeland Richard Joseph 2026-02-11
Trent Melanie Montague 2026-02-11
Craig Jeffrey A 2026-02-11
Oxholm Jose Miguel
Chief Legal&Compliance Officer
2026-03-03
Cubbage Vincent T. 2026-02-11
Boehm Rodger L 2026-02-11
Gustanski Mary 2026-02-11
Healy Thomas J.
Chief Executive Officer
2026-03-03
Standley Greg
Chief Accounting Officer.
2026-03-03
LANTZ CHERI
Chief Strategy Officer
2026-03-03
Panzer Jon
Chief Financial Officer
2026-03-03
MOOK JOSHUA T.
Chief Technology Officer
2026-03-03
RAMASAMY GOVINDARAJ
Chief Commercial Officer
2026-03-10