Boston Beer (NYSE: SAM) CSO reports RSU vesting, tax share withholding and new grant

Rhea-AI Filing Summary

Boston Beer Company’s Chief Sales Officer Michael R. Crowley reported routine equity compensation activity involving the company’s Class A Common Stock. On March 1, 2026, 944 restricted stock units (RSUs) vested, and the issuer net withheld 341 shares at a price of $226.78 per share to cover tax obligations.

On the same date, Crowley received a grant of 2,206 RSUs under the company’s Restated Employee Equity Incentive Plan at no cash cost. Following these transactions, he directly owned 12,812 shares, including 11,019 shares of restricted stock that remain subject to vesting conditions.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Crowley Michael R.

Role Chief Sales Officer

Type	Security	Shares	Price	Value
Tax Withholding	Class A Common Stock	341	$226.78	$77K
Grant/Award	Class A Common	2,206	$0.00	--

Holdings After Transaction: Class A Common Stock — 10,606 shares (Direct); Class A Common — 12,812 shares (Direct)

Footnotes (1)

1. The Issuer net withheld the vesting of a percentage of shares to satisfy the tax obligations of the Reporting Person flowing from the vesting of Restricted Stock Units ("RSUs"). The Reporting Person had a total of 944 RSUs vest on March 1, 2026. Represents grants of Restricted Stock Units ("RSUs") under the Issuer's Restated Employee Equity Incentive Plan ("EEIP"). The details of these grants were disclosed in a Current Report on Form 8-K filed by the Issuer on February 17, 2026. The shares reported include 11,019 shares of restricted stock subject to vesting conditions.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Crowley Michael R.

(Last) (First) (Middle)

C/O THE BOSTON BEER COMPANY

ONE DESIGN CENTER PLACE, SUITE 850

(Street)

BOSTON MA 02210

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
BOSTON BEER CO INC [ SAM ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Sales Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/01/2026

4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	03/01/2026		F(1)		341	D	$226.78	10,606	D
Class A Common	03/01/2026		A(2)		2,206	A	$0.00	12,812(3)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The Issuer net withheld the vesting of a percentage of shares to satisfy the tax obligations of the Reporting Person flowing from the vesting of Restricted Stock Units ("RSUs"). The Reporting Person had a total of 944 RSUs vest on March 1, 2026.

2. Represents grants of Restricted Stock Units ("RSUs") under the Issuer's Restated Employee Equity Incentive Plan ("EEIP"). The details of these grants were disclosed in a Current Report on Form 8-K filed by the Issuer on February 17, 2026.

3. The shares reported include 11,019 shares of restricted stock subject to vesting conditions.

Remarks:

	Michael G. Andrews under POA for the benefit of Michael R. Crowley	03/03/2026
	** 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 4 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What insider transactions did Boston Beer (SAM) report for Michael R. Crowley?

Boston Beer reported that Chief Sales Officer Michael R. Crowley had 944 RSUs vest and 341 shares withheld to cover taxes, while also receiving a grant of 2,206 additional RSUs. These changes reflect routine equity compensation adjustments, not open-market buying or selling activity.

Did Michael R. Crowley buy or sell Boston Beer (SAM) shares on the open market?

The activity did not involve open-market buying or selling. Shares were withheld to satisfy tax obligations from RSU vesting, and new RSUs were granted under an employee equity incentive plan, both typical for executive compensation rather than discretionary stock trades.

How many Boston Beer (SAM) shares does Michael R. Crowley own after these transactions?

After the reported transactions, Michael R. Crowley directly owns 12,812 shares of Boston Beer Class A Common Stock. This total includes 11,019 shares of restricted stock that are still subject to vesting conditions, so he does not yet have full unrestricted access to all shares.

What was the purpose of the 341 Boston Beer (SAM) shares withheld from Michael R. Crowley?

The issuer net withheld 341 shares to satisfy Michael R. Crowley’s tax obligations arising from the vesting of 944 RSUs. This tax-withholding disposition is a standard administrative mechanism used instead of requiring the executive to pay cash for the related tax liability.

What is the nature of the 2,206 RSUs granted to Michael R. Crowley at Boston Beer (SAM)?

The 2,206 RSUs granted to Michael R. Crowley are awards under Boston Beer’s Restated Employee Equity Incentive Plan. They were issued at no cash purchase price and typically convert into shares over time, subject to vesting conditions and continued employment with the company.

Where were the details of Michael R. Crowley’s RSU grants at Boston Beer (SAM) previously disclosed?

Details of the RSU grants to Michael R. Crowley were previously disclosed in a Current Report on Form 8-K filed on February 17, 2026. The Form 4 filing provides the formal ownership update, while the earlier 8-K described the equity award terms under the incentive plan.