Robert J. Markelewicz Jr. - Nov 13, 2024 Form 4 Insider Report for Abpro Holdings, Inc. (ABP)

Role: Chief Medical Officer
Signature: /s/ Nelson Mullins Riley & Scarborough LLP, Attorney-in-Fact
Stock symbol: ABP
Transactions as of: Nov 13, 2024
Transactions value $: $0
Form type: 4
Date filed: 11/15/2024, 09:29 PM

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ABP	Stock option (right to buy)	Award	$0	+24.3K		$0.00	24.3K	Nov 13, 2024	Common Stock, par value $0.0001 per share	24.3K	$1.73	Direct	F1, F2
transaction	ABP	Stock option (right to buy)	Award	$0	+539K		$0.00	539K	Nov 13, 2024	Common Stock, par value $0.0001 per share	539K	$1.73	Direct	F1, F2
transaction	ABP	Stock option (right to buy)	Award	$0	+29.8K		$0.00	29.8K	Nov 13, 2024	Common Stock, par value $0.0001 per share	29.8K	$1.63	Direct	F1, F2
transaction	ABP	Stock option (right to buy)	Award	$0	+40.8K		$0.00	40.8K	Nov 13, 2024	Common Stock, par value $0.0001 per share	40.8K	$1.67	Direct	F1, F2
transaction	ABP	Stock option (right to buy)	Award	$0	+41.7K		$0.00	41.7K	Nov 13, 2024	Common Stock, par value $0.0001 per share	41.7K	$1.63	Direct	F1, F3
transaction	ABP	Stock option (right to buy)	Award	$0	+74.6K		$0.00	74.6K	Nov 13, 2024	Common Stock, par value $0.0001 per share	74.6K	$1.73	Direct	F1, F2
transaction	ABP	Stock option (right to buy)	Award	$0	+10.2K		$0.00	10.2K	Nov 13, 2024	Common Stock, par value $0.0001 per share	10.2K	$1.63	Direct	F1, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects the issuance by Abpro Holdings, Inc. (f/k/a Atlantic Coastal Acquisition Corp. II) (the "Issuer") of rollover stock options awards in connection with the closing of the business combination between Issuer and Abpro Corporation, a Delaware corporation ("Abpro"), pursuant to a Business Combination Agreement, dated as of December 11, 2023 (as amended by Amendment No. 1 to Business Combination Agreement, dated September 4, 2024, the "Business Combination Agreement"), among the Issuer, Abpro Merger Sub Corp, a Delaware corporation, and Abpro.
F2	This stock option award is 100% vested.
F3	This stock option award was initially granted by Abpro to the reporting person on April 14, 2021. The sock option award vests as follows: twenty-five percent (25%) the shares subject to the option vested on April 14, 2022, and the remaining seventy-five percent (75%) of the total number of shares subject to the option vest in thirty-six (36) substantially equal monthly installments thereafter, subject to the reporting person's continuous service to the Issuer through such date.
F4	This stock option award was initially granted by Abpro to the reporting person on February 18, 2022. The sock option award vests as follows: twenty-five percent (25%) the shares subject to the option vested on February 18, 2023, and the remaining seventy-five percent (75%) of the total number of shares subject to the option vest in thirty-six (36) substantially equal monthly installments thereafter, subject to the reporting person's continuous service to the Issuer through such date.