SAB Biotherapeutics grants 240K director options

SAB Biotherapeutics director David Zaccardelli received a new stock option grant.

Rhea-AI Filing Summary

SAB Biotherapeutics director David Zaccardelli received a new stock option grant. On January 5, 2026, he was awarded options to purchase 240,000 shares of SAB Biotherapeutics, Inc. common stock at an exercise price of $3.74 per share. The options expire on January 5, 2036 and were granted as his inaugural award for serving on the company’s Board of Directors.

The shares underlying this option vest in three equal annual installments on January 5, 2027, January 5, 2028, and January 5, 2029, and were issued under the company’s 2021 Omnibus Equity Incentive Plan, as amended. After this grant, he beneficially owns 240,000 derivative securities in the form of these options, held directly.

Insider Trade Summary

Grant/Award: 240,000 shares

Grant/Award 1 txn

Insider ZACCARDELLI DAVID

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (right to buy)	240,000	$0.00	$0.00

Holdings After Transaction: Stock Option (right to buy) — 240,000 contracts (Direct)

Footnotes (2)

1. F1. Represents the inaugural grant to the Reporting Person as a member of the Board of Directors of the Issuer. Shares underlying the option vest in three equal annual installments on January 5, 2027, January 5, 2028 and January 5, 2029.
2. F2. This award was made pursuant to the Issuer's 2021 Omnibus Equity Incentive Plan, as amended.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did SAB Biotherapeutics (SABS) report on this Form 4?

The company reported a grant of stock options to director David Zaccardelli covering 240,000 shares of SAB Biotherapeutics, Inc. common stock.

What is the exercise price and term of the SAB Biotherapeutics director stock options?

The stock options have an exercise price of $3.74 per share and expire on January 5, 2036.

How do the SAB Biotherapeutics options granted to David Zaccardelli vest?

The options vest in three equal annual installments on January 5, 2027, January 5, 2028, and January 5, 2029.

How many SAB Biotherapeutics derivative securities does David Zaccardelli own after this grant?

Following the reported transaction, David Zaccardelli beneficially owns 240,000 derivative securities in the form of stock options, held directly.

Why was this stock option grant made to the SAB Biotherapeutics director?

The footnotes state that the grant represents the inaugural option award to David Zaccardelli as a member of SAB Biotherapeutics’ Board of Directors.

Under which equity plan were the SAB Biotherapeutics options granted?

The stock option award was made pursuant to SAB Biotherapeutics’ 2021 Omnibus Equity Incentive Plan, as amended.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/07/2026 - 04:40 PM Learn about SEC filing dates

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
Estimated average burden
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^*

ZACCARDELLI DAVID

(Last) (First) (Middle)

777 W 41ST STREET, SUITE 401

(Street)

MIAMI BEACH FL 33140

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SAB Biotherapeutics, Inc. [ SABS ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
01/05/2026

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

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
Stock Option (right to buy)(1)(2)	$3.74	01/05/2026		A		240,000		(1)	01/05/2036	Common Stock	240,000	$0	240,000	D

Explanation of Responses:

1. Represents the inaugural grant to the Reporting Person as a member of the Board of Directors of the Issuer. Shares underlying the option vest in three equal annual installments on January 5, 2027, January 5, 2028 and January 5, 2029.

2. This award was made pursuant to the Issuer's 2021 Omnibus Equity Incentive Plan, as amended.

	/s/ Grant Levine, attorney-in-fact	01/07/2026
	** 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.