Boston Beer (NYSE: SAM) CFO logs RSU grants, option vesting and tax share withholding

Rhea-AI Filing Summary

Boston Beer executive Diego Reynoso, the company’s CFO and Treasurer, reported equity compensation and related tax withholding transactions. On March 1, 2026, he acquired 2,429 shares through vesting of an October 31, 2023 stock option and received 5,734 Class A Common shares as grants of Restricted Stock Units under the company’s equity incentive plan. To cover tax obligations from the vesting of 2,116 RSUs on the same date, 622 Class A Common shares were disposed of by share withholding at a price of 226.78 per share. After these transactions, Reynoso directly owned 26,376 Class A Common shares, including 23,097 shares of restricted stock subject to vesting conditions, and held 7,287 stock options in total.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Reynoso Diego

Role CFO and Treasurer

Type	Security	Shares	Price	Value
Grant/Award	October 31, 2023 Stock Option	2,429	$0.00	--
Tax Withholding	Class A Common	622	$226.78	$141K
Grant/Award	Class A Common	5,734	$0.00	--

Holdings After Transaction: October 31, 2023 Stock Option — 7,287 shares (Direct); Class A Common — 20,642 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 2,116 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 23,097 shares of restricted stock subject to vesting conditions. The Time-Based Stock Option was granted pursuant to the Issuer's EEIP on October 31, 2023. The shares will vest in four equal installments on March 1 in the years 2024-2027 provided that the Reporting Person remains employed by the Issuer on the applicable vesting dates, and subject to accelerated vesting in certain situations.

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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hours per response:			0.5

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^*

Reynoso Diego

(Last) (First) (Middle)

C/O THE BOSTON BEER COMPANY, INC.

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)
	CFO and Treasurer

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	03/01/2026		F(1)		622	D	$226.78	20,642	D
Class A Common	03/01/2026		A(2)		5,734	A	$0.00	26,376(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
October 31, 2023 Stock Option	$333.5	03/01/2026		A		2,429		03/01/2024(4)	10/30/2033	Class A Common	9,717	$0.00	7,287	D

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 2,116 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 23,097 shares of restricted stock subject to vesting conditions.

4. The Time-Based Stock Option was granted pursuant to the Issuer's EEIP on October 31, 2023. The shares will vest in four equal installments on March 1 in the years 2024-2027 provided that the Reporting Person remains employed by the Issuer on the applicable vesting dates, and subject to accelerated vesting in certain situations.

Remarks:

	Michael G. Andrews under POA for the benefit of Diego Reynoso	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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did SAM CFO Diego Reynoso report on March 1, 2026?

Diego Reynoso reported equity awards and tax-related share withholding. He acquired 2,429 shares from a vested stock option, received 5,734 Class A Common shares as RSU grants, and had 622 shares withheld to cover tax obligations from vesting RSUs.

Were Diego Reynoso’s SAM transactions open-market buys or sells?

The transactions were compensation-related, not open-market trades. Shares were acquired through option vesting and RSU grants, while 622 shares were disposed of via withholding to satisfy tax liabilities triggered by RSU vesting, rather than discretionary market sales.

How many Boston Beer (SAM) shares does Diego Reynoso own after these transactions?

After the reported transactions, Diego Reynoso directly owned 26,376 Class A Common shares. This total includes 23,097 shares of restricted stock that remain subject to vesting conditions under the company’s equity incentive arrangements and related terms.

What is the nature of the stock option reported for Boston Beer CFO Diego Reynoso?

The reported stock option is a time-based award granted on October 31, 2023. It vests in four equal installments each March 1 from 2024 through 2027, contingent on Reynoso’s continued employment and subject to possible accelerated vesting in certain situations.

How were RSU-related tax obligations handled for SAM CFO Diego Reynoso?

Tax obligations from the vesting of 2,116 RSUs on March 1, 2026 were satisfied through share withholding. The issuer net withheld 622 Class A Common shares at a price of $226.78 per share instead of requiring a separate cash payment from Reynoso.

Where were details of Diego Reynoso’s SAM RSU grants previously disclosed?

The RSU grants to Diego Reynoso were made under Boston Beer’s Restated Employee Equity Incentive Plan. Details of these grants were previously disclosed in a Current Report on Form 8-K that the company filed on February 17, 2026.