Enterprise Bancorp (EBTC) Form 3 ENTERPRISE BANCORP / BRIAN MICHAEL COLLINS ownership change

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

COLLINS BRIAN MICHAEL

(Last) (First) (Middle)

C/O ENTERPRISE BANCORP, INC.

222 MERRIMACK STREET

(Street)

LOWELL MA 01852

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
10/07/2024

3. Issuer Name and Ticker or Trading Symbol
ENTERPRISE BANCORP INC /MA/ [ EBTC ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
EVP-Principal Subsidiary

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	12,945.8436	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Option (Right to Buy)	(1)	03/14/2026	Common Stock	793	21.86	D
Option (Right to Buy)	(2)	03/20/2027	Common Stock	364	30.46	D
Option (Right to Buy)	(3)	03/19/2028	Common Stock	344	34.33	D
Option (Right to Buy)	(4)	03/18/2029	Common Stock	475	29.84	D
Option (Right to Buy)	(5)	03/16/2030	Common Stock	491	28.22	D
Option (Right to Buy)	(6)	03/15/2031	Common Stock	345	32.73	D
Option (Right to Buy)	(7)	03/14/2032	Common Stock	391	38.58	D

Explanation of Responses:

1. Options vest 50% on the second anniversary of the grant date and 50% on the fourth anniversary of the grant date. The first installment vested on March 15, 2018. Options are fully vested.

2. Options vest 50% on the second anniversary date of the grant and 50% on the fourth anniversary date of the grant. The first installment vested on March 21, 2019. Options are fully vested.

3. Options vest 50% on the second anniversary date of the grant and 50% on the fourth anniversary date of the grant. The first installment vested on March 20, 2020. Options are fully vested.

4. Options vest 50% on the second anniversary date of the grant and 50% on the fourth anniversary date of the grant. The first installment vested on March 19, 2021. Options are fully vested.

5. Options vest 50% on the second anniversary date of the grant and 50% on the fourth anniversary date of the grant. The first installment vested on March 17, 2022. Options are fully vested.

6. Options vest 50% on the second anniversary date of the grant and 50% on the fourth anniversary date of the grant. The first installment vested on March 16, 2023.

7. Options vest 50% on the second anniversary date of the grant and 50% on the fourth anniversary date of the grant. The first installment vested on March 15, 2024.

	/s/ Joseph R. Lussier attorney-in-fact for for Brian Michael Collins	10/11/2024
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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