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Alphabet (GOOG) co-founder Sergey Brin converts Class B and gifts Class A & C

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Alphabet Inc. director and 10% owner Sergey Brin reported a series of equity movements on August 7, 2026. He converted 673,200 shares of Class B Common Stock into the same number of Class A shares, then made bona fide gifts of 673,200 Class A and 673,200 Class C shares. Following these transactions, he directly held 357,921,378 Class B shares and 359,159,912 Class C shares, and reported indirect interests through charitable remainder unitrusts holding Class B linked to 172,700 underlying Class A shares each and 172,700 Class C shares each. All Class B shares referenced in the footnotes are exercisable with no expiration date.

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Insider Sergey Brin
Role Director, 10% Owner
Type Security Shares Price Value
Conversion Class B Common Stock F1, F2 673,200 $0.00 $0.00
Conversion Class A Common Stock 673,200 $0.00 $0.00
Gift Class A Common Stock 673,200 $0.00 $0.00
Gift Class C Capital Stock 673,200 $0.00 $0.00
holding Class B Common Stock F1, F2 -- -- --
holding Class B Common Stock F1, F2 -- -- --
holding Class C Capital Stock -- -- --
holding Class C Capital Stock -- -- --
Holdings After Transaction: Class B Common Stock — 357,921,378 shares (Direct); Class A Common Stock — 37,469 shares (Direct); Class C Capital Stock — 359,159,912 shares (Direct); Class B Common Stock — 172,700 shares (Indirect, SMB Pacific 2021 Charitable Remainder Unitrust I); Class B Common Stock — 172,700 shares (Indirect, SMB Pacific 2021 Charitable Remainder Unitrust II); Class C Capital Stock — 172,700 shares (Indirect, SMB Pacific 2021 Charitable Remainder Unitrust I); Class C Capital Stock — 172,700 shares (Indirect, SMB Pacific 2021 Charitable Remainder Unitrust II)
Footnotes (2)
  1. F1. All shares are exercisable as of the transaction date.
  2. F2. There is no expiration date for the Issuer's Class B Common Stock.
Class B converted 673,200 shares Class B Common Stock converted into Class A on August 7, 2026
Class A gifted 673,200 shares Bona fide gift of Class A Common Stock on August 7, 2026
Class C gifted 673,200 shares Bona fide gift of Class C Capital Stock on August 7, 2026
Direct Class B holdings 357,921,378 shares Class B Common Stock held directly after reported transactions
Direct Class C holdings 359,159,912 shares Class C Capital Stock held directly after reported transactions
Unitrust Class A underlying 172,700 shares Underlying Class A shares per unitrust via Class B, indirect ownership
bona fide gift financial
"transaction_code_description: "Bona fide gift" for Class A and Class C transfers"
A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.
Class B Common Stock financial
"security_title: "Class B Common Stock" with conversion into Class A"
A class B common stock is one of multiple types of a company’s ordinary shares that carries specific rights—often different voting power or dividend priority—compared with other classes. For investors it matters because those differences affect how much influence you have over company decisions, the income you might receive, and how freely the shares trade; think of it like owning a car with different keys: some keys let you start the engine and open the trunk, others only unlock the door.
Class C Capital Stock financial
"security_title: "Class C Capital Stock" reported in gifted and holding entries"
Charitable Remainder Unitrust financial
"nature_of_ownership: "SMB Pacific 2021 Charitable Remainder Unitrust I""
derivative security financial
"transaction_code_description: "Conversion of derivative security" for code C"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

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

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FAQ

What insider transactions did Sergey Brin report for Alphabet (GOOG/GOOGL)?

Sergey Brin reported converting 673,200 Class B shares into 673,200 Class A shares and making bona fide gifts of 673,200 Class A and 673,200 Class C shares on August 7, 2026.

How many Alphabet shares did Sergey Brin gift in this Form 4 for GOOG?

Sergey Brin reported gifts totaling 1,346,400 shares, consisting of 673,200 Class A shares and 673,200 Class C shares, all at a reported price of $0.00 per share as bona fide gifts.

What are Sergey Brin’s reported Alphabet holdings after these transactions?

After the reported transactions, Sergey Brin directly held 357,921,378 Class B shares and 359,159,912 Class C shares, plus indirect interests via charitable remainder unitrusts holding Class B tied to 172,700 Class A shares each and 172,700 Class C shares each.

What type of transaction is coded as “C” in Sergey Brin’s Alphabet Form 4?

In this filing, code “C” reflects a conversion of derivative security, where 673,200 Class B shares were converted into 673,200 Class A shares, with a stated conversion or exercise price of $0.00 per share.

How are Sergey Brin’s indirect Alphabet holdings structured in this GOOG filing?

The filing lists indirect holdings through SMB Pacific 2021 Charitable Remainder Unitrust I and II, each reporting 172,700 Class B linked to 172,700 Class A shares and 172,700 Class C shares after the transactions.
SEC Form 4
FORM 4UNITED 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*
Sergey Brin

(Last)(First)(Middle)
C/O ALPHABET INC.
1600 AMPHITHEATRE PKWY

(Street)
MOUNTAIN VIEW CALIFORNIA 94043

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Alphabet Inc. [ GOOGL ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirectorX10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/07/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Class A Common Stock08/07/2026C673,200A$0710,669D
Class A Common Stock08/07/2026G673,200D$037,469D
Class C Capital Stock08/07/2026G673,200D$0359,159,912D
Class C Capital Stock172,700ISMB Pacific 2021 Charitable Remainder Unitrust I
Class C Capital Stock172,700ISMB Pacific 2021 Charitable Remainder Unitrust II
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Class B Common Stock$008/07/2026C673,200 (1) (2)Class A Common Stock357,921,378$0357,921,378D
Class B Common Stock$0 (1) (2)Class A Common Stock172,700172,700ISMB Pacific 2021 Charitable Remainder Unitrust I
Class B Common Stock$0 (1) (2)Class A Common Stock172,700172,700ISMB Pacific 2021 Charitable Remainder Unitrust II
Explanation of Responses:
1. All shares are exercisable as of the transaction date.
2. There is no expiration date for the Issuer's Class B Common Stock.
/s/ Kenneth Yi, as Attorney-in-Fact for Sergey Brin08/11/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)