organization · Reporting owner

Tortoise Sponsor LLC

Disclosed activity across 1 company

Tapewire entity: 146166
SEC CIK: 0001768532

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Reported relationships

Latest disclosed role at each company.

No relationships currently tracked through insider filings.

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

No balances currently tracked through insider filings.

Past disclosures · reporting ended (1)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

Hyliion Holdings Corp.

Report date October 01, 2020 · Filed October 05, 2020

Jointly reported with TortoiseEcofin Borrower LLC, TortoiseEcofin Investments, LLC

Section 16 reporting ended · disclosed 2020-10-05. Current position is not established by this disclosure.

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Common StockSEC Table I · non-derivative	Direct	4,439,605	Reported balance After 2020-10-01 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 1 · 2020-10-01 · Conversion · Acquired 4,439,605 · Balance 4,439,605 F1: In connection with the closing of the business combination between Tortoise Acquisition Corp. ("TortoiseCorp"), SHLL Merger Sub and Hyliion Inc. on October 1, 2020, the Reporting Person's shares of Class B Common Stock automatically converted into shares of TortoiseCorp's Class A Common Stock on a one-for-one basis. Upon consummation of the business combination, TortoiseCorp changed its name to "Hyliion Holdings Corp." and all outstanding shares of Class A Common Stock were automatically reclassified, redesignated and changed into one share of Hyliion Holdings Corp. Common Stock. F2: Tortoise Sponsor LLC is the record holder of the shares reported herein. TortoiseEcofin Borrower LLC is the managing member of Tortoise Sponsor LLC. TortoiseEcofin Parent Holdco LLC is the sole member of TortoiseEcofin Borrower LLC, and TortoiseEcofin Investments, LLC is the sole member of TortoiseEcofin Parent Holdco LLC. Accordingly, TortoiseEcofin Borrower LLC and TortoiseEcofin Investments, LLC may be deemed to have or share beneficial ownership of the shares of Class B Common Stock held directly by Tortoise Sponsor LLC. The address of each of TortoiseEcofin Borrower LLC and TortoiseEcofin Investments, LLC is 5100 W. 115th Place, Leawood, Kansas 66211.
Class B Common StockSEC Table II · derivative / convertible security	Direct	0	Reported balance After 2020-10-01 transaction · row 2 Instrument identity requires review; Table II rows are not merged. 1 source row Row 2 · 2020-10-01 · Conversion · Disposed 4,439,605 · Balance 0 F1: In connection with the closing of the business combination between Tortoise Acquisition Corp. ("TortoiseCorp"), SHLL Merger Sub and Hyliion Inc. on October 1, 2020, the Reporting Person's shares of Class B Common Stock automatically converted into shares of TortoiseCorp's Class A Common Stock on a one-for-one basis. Upon consummation of the business combination, TortoiseCorp changed its name to "Hyliion Holdings Corp." and all outstanding shares of Class A Common Stock were automatically reclassified, redesignated and changed into one share of Hyliion Holdings Corp. Common Stock. F3: The shares of Class B Common Stock are automatically convertible into shares of Class A Common Stock at the time of TortoiseCorp's initial business combination on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, and have no expiration date. F2: Tortoise Sponsor LLC is the record holder of the shares reported herein. TortoiseEcofin Borrower LLC is the managing member of Tortoise Sponsor LLC. TortoiseEcofin Parent Holdco LLC is the sole member of TortoiseEcofin Borrower LLC, and TortoiseEcofin Investments, LLC is the sole member of TortoiseEcofin Parent Holdco LLC. Accordingly, TortoiseEcofin Borrower LLC and TortoiseEcofin Investments, LLC may be deemed to have or share beneficial ownership of the shares of Class B Common Stock held directly by Tortoise Sponsor LLC. The address of each of TortoiseEcofin Borrower LLC and TortoiseEcofin Investments, LLC is 5100 W. 115th Place, Leawood, Kansas 66211.

Filing footnotes · ownership attribution and instrument terms

F1: In connection with the closing of the business combination between Tortoise Acquisition Corp. ("TortoiseCorp"), SHLL Merger Sub and Hyliion Inc. on October 1, 2020, the Reporting Person's shares of Class B Common Stock automatically converted into shares of TortoiseCorp's Class A Common Stock on a one-for-one basis. Upon consummation of the business combination, TortoiseCorp changed its name to "Hyliion Holdings Corp." and all outstanding shares of Class A Common Stock were automatically reclassified, redesignated and changed into one share of Hyliion Holdings Corp. Common Stock.

F2: Tortoise Sponsor LLC is the record holder of the shares reported herein. TortoiseEcofin Borrower LLC is the managing member of Tortoise Sponsor LLC. TortoiseEcofin Parent Holdco LLC is the sole member of TortoiseEcofin Borrower LLC, and TortoiseEcofin Investments, LLC is the sole member of TortoiseEcofin Parent Holdco LLC. Accordingly, TortoiseEcofin Borrower LLC and TortoiseEcofin Investments, LLC may be deemed to have or share beneficial ownership of the shares of Class B Common Stock held directly by Tortoise Sponsor LLC. The address of each of TortoiseEcofin Borrower LLC and TortoiseEcofin Investments, LLC is 5100 W. 115th Place, Leawood, Kansas 66211.

F3: The shares of Class B Common Stock are automatically convertible into shares of Class A Common Stock at the time of TortoiseCorp's initial business combination on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, and have no expiration date.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction date	Company	Activity / security	Shares / units	Reported price	Reported value	Details
October 01, 2020 Filed Oct 5, 2020 18:03 UTC	Hyliion Holdings Corp. HYLN · Entity 5333	ConversionClass B Common Stock · Derivative	4,439,605	Not disclosed	Not disclosed	Disclosure SEC source: 0001213900-20-030169 · ownership.xml · derivative · entry 2 Tortoise Sponsor LLC · CIK 0001768532 · 10% owner TortoiseEcofin Borrower LLC · CIK 0001735321 · 10% owner TortoiseEcofin Investments, LLC · CIK 0001730884 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 0 Underlying: Class A Common Stock · 4,439,605 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: In connection with the closing of the business combination between Tortoise Acquisition Corp. ("TortoiseCorp"), SHLL Merger Sub and Hyliion Inc. on October 1, 2020, the Reporting Person's shares of Class B Common Stock automatically converted into shares of TortoiseCorp's Class A Common Stock on a one-for-one basis. Upon consummation of the business combination, TortoiseCorp changed its name to "Hyliion Holdings Corp." and all outstanding shares of Class A Common Stock were automatically reclassified, redesignated and changed into one share of Hyliion Holdings Corp. Common Stock. F1 · price: In connection with the closing of the business combination between Tortoise Acquisition Corp. ("TortoiseCorp"), SHLL Merger Sub and Hyliion Inc. on October 1, 2020, the Reporting Person's shares of Class B Common Stock automatically converted into shares of TortoiseCorp's Class A Common Stock on a one-for-one basis. Upon consummation of the business combination, TortoiseCorp changed its name to "Hyliion Holdings Corp." and all outstanding shares of Class A Common Stock were automatically reclassified, redesignated and changed into one share of Hyliion Holdings Corp. Common Stock. F3 · derivative.exercise_date: The shares of Class B Common Stock are automatically convertible into shares of Class A Common Stock at the time of TortoiseCorp's initial business combination on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, and have no expiration date. F3 · derivative.expiration_date: The shares of Class B Common Stock are automatically convertible into shares of Class A Common Stock at the time of TortoiseCorp's initial business combination on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, and have no expiration date. F2 · ownership.direct: Tortoise Sponsor LLC is the record holder of the shares reported herein. TortoiseEcofin Borrower LLC is the managing member of Tortoise Sponsor LLC. TortoiseEcofin Parent Holdco LLC is the sole member of TortoiseEcofin Borrower LLC, and TortoiseEcofin Investments, LLC is the sole member of TortoiseEcofin Parent Holdco LLC. Accordingly, TortoiseEcofin Borrower LLC and TortoiseEcofin Investments, LLC may be deemed to have or share beneficial ownership of the shares of Class B Common Stock held directly by Tortoise Sponsor LLC. The address of each of TortoiseEcofin Borrower LLC and TortoiseEcofin Investments, LLC is 5100 W. 115th Place, Leawood, Kansas 66211. Read SEC document
October 01, 2020 Filed Oct 5, 2020 18:03 UTC	Hyliion Holdings Corp. HYLN · Entity 5333	ConversionCommon Stock	4,439,605	Not disclosed	Not disclosed	Disclosure SEC source: 0001213900-20-030169 · ownership.xml · nonDerivative · entry 1 Tortoise Sponsor LLC · CIK 0001768532 · 10% owner TortoiseEcofin Borrower LLC · CIK 0001735321 · 10% owner TortoiseEcofin Investments, LLC · CIK 0001730884 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 4,439,605 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · price: In connection with the closing of the business combination between Tortoise Acquisition Corp. ("TortoiseCorp"), SHLL Merger Sub and Hyliion Inc. on October 1, 2020, the Reporting Person's shares of Class B Common Stock automatically converted into shares of TortoiseCorp's Class A Common Stock on a one-for-one basis. Upon consummation of the business combination, TortoiseCorp changed its name to "Hyliion Holdings Corp." and all outstanding shares of Class A Common Stock were automatically reclassified, redesignated and changed into one share of Hyliion Holdings Corp. Common Stock. F2 · ownership.direct: Tortoise Sponsor LLC is the record holder of the shares reported herein. TortoiseEcofin Borrower LLC is the managing member of Tortoise Sponsor LLC. TortoiseEcofin Parent Holdco LLC is the sole member of TortoiseEcofin Borrower LLC, and TortoiseEcofin Investments, LLC is the sole member of TortoiseEcofin Parent Holdco LLC. Accordingly, TortoiseEcofin Borrower LLC and TortoiseEcofin Investments, LLC may be deemed to have or share beneficial ownership of the shares of Class B Common Stock held directly by Tortoise Sponsor LLC. The address of each of TortoiseEcofin Borrower LLC and TortoiseEcofin Investments, LLC is 5100 W. 115th Place, Leawood, Kansas 66211. Read SEC document
March 07, 2019 Filed May 6, 2019 16:42 UTC	Hyliion Holdings Corp. SHLL · Entity 5333	OtherClass B Common Stock · Derivative	643,520	Not disclosed	Not disclosed	Disclosure SEC source: 0001213900-19-007882 · ownership.xml · derivative · entry 1 Tortoise Sponsor LLC · CIK 0001768532 · 10% owner Tortoise Borrower LLC · CIK 0001735321 · 10% owner Tortoise Investments, LLC · CIK 0001730884 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Indirect · See foot note Disclosed balance after: 4,439,605 Underlying: Class A Common Stock · 643,520 shares Expires not disclosed F1 · derivative.exercise_price: The shares of Class B Common Stock are convertible into shares of the Issuer's Class A Common Stock on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, and have no expiration date. F2 · kind: The Class B Common Stock owned by Tortoise Sponsor LLC included up to 843,750 shares that were subject to forfeiture in the event the underwriters of the initial public offering of the Issuer's securities did not exercise in full their over-allotment option as described in the Issuer's Registration Statement on Form S-1 (File No. 333-229537). Because the underwriters exercised their over-allotment option in part, Tortoise Sponsor LLC forfeited 643,520 shares of Class B Common Stock on March 7, 2019 for cancellation by the Issuer. F2 · price: The Class B Common Stock owned by Tortoise Sponsor LLC included up to 843,750 shares that were subject to forfeiture in the event the underwriters of the initial public offering of the Issuer's securities did not exercise in full their over-allotment option as described in the Issuer's Registration Statement on Form S-1 (File No. 333-229537). Because the underwriters exercised their over-allotment option in part, Tortoise Sponsor LLC forfeited 643,520 shares of Class B Common Stock on March 7, 2019 for cancellation by the Issuer. F1 · derivative.exercise_date: The shares of Class B Common Stock are convertible into shares of the Issuer's Class A Common Stock on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, and have no expiration date. F1 · derivative.expiration_date: The shares of Class B Common Stock are convertible into shares of the Issuer's Class A Common Stock on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, and have no expiration date. F3 · ownership.nature: Tortoise Sponsor LLC is the record holder of the shares reported herein. Tortoise Borrower LLC is the managing member of Tortoise Sponsor LLC. Tortoise Parent Holdco LLC is the sole member of Tortoise Borrower LLC, and Tortoise Investments, LLC is the sole member of Tortoise Parent Holdco LLC. Accordingly, Tortoise Borrower LLC and Tortoise Investments, LLC may be deemed to have or share beneficial ownership of the shares of Class B Common Stock held directly by Tortoise Sponsor LLC. The address of each of Tortoise Borrower LLC and Tortoise Investments, LLC is 11550 Ash Street, Suite 300, Leawood, Kansas 66211. Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.