Brian Armstrong - 05 Jan 2026 Form 4 Insider Report for Coinbase Global, Inc. (COIN)

Reporting relationship: Chairman and CEO, Director, 10%+ Owner
Issuer ticker: COIN
Reported as of: 05 Jan 2026
Net transaction value: -$9,209,868
SEC form: 4
Accepted by SEC: 07 Jan 2026, 16:48:29 UTC
Prior SEC filing: 23 Dec 2025
Source filing: View source filing
Reporting owner signature: /s/ Brian Armstrong, by Lailey Rezai, Attorney-in-Fact

Key filing fact

Brian Armstrong filed Form 4 for Coinbase Global, Inc. (COIN) on 07 Jan 2026.

Key facts

This page summarizes Brian Armstrong's Form 4 filing for Coinbase Global, Inc. (COIN).
5 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 07 Jan 2026, 16:48.

Change

Previous filing in this sequence was filed on 23 Dec 2025.
Current net transaction value: -$9,209,868.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001851492 Primary reporting owner

Armstrong Brian

Relationship: Chairman and CEO, Director, 10%+ Owner
Address: C/O COINBASE GLOBAL, INC., ONE MADISON AVENUE, SUITE 2400, NEW YORK
Signature: /s/ Brian Armstrong, by Lailey Rezai, Attorney-in-Fact
Signature date: 07 Jan 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

COIN transaction

Class A Common Stock

Options Exercise

Transaction value: $748,400
Shares: +40,000
Change %
Price: $18.71
Shares after: 40,000
Date: 05 Jan 2026
Ownership: Direct
Footnotes: F1

COIN transaction

Class A Common Stock

Sale

Transaction value: $5,166,876
Shares: -20,790
Change %: -52%
Price: $248.53
Shares after: 19,210
Date: 05 Jan 2026
Ownership: Direct
Footnotes: F1, F2

COIN transaction

Class A Common Stock

Sale

Transaction value: $4,719,638
Shares: -18,923
Change %: -99%
Price: $249.41
Shares after: 287
Date: 05 Jan 2026
Ownership: Direct
Footnotes: F1, F3

COIN transaction

Class A Common Stock

Sale

Transaction value: $71,753
Shares: -287
Change %: -100%
Price: $250.01
Shares after: 0
Date: 05 Jan 2026
Ownership: Direct
Footnotes: F1, F4

COIN holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 526
Date: 05 Jan 2026
Ownership: By The Brian Armstrong Living Trust

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

COIN transaction Derivative

Employee Stock Option (right to buy)

Options Exercise

Transaction value: $0
Shares: -40,000
Change %: -1.5%
Price: $0.000000
Shares after: 2,553,924
Date: 05 Jan 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 40,000
Exercise price: $18.71
Footnotes: F1, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 5 footnotes

Footnote F1

The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 15, 2025, during an open trading window.

Footnote F2

Represents the weighted average sale price. The lowest price at which shares were sold was $248.00 and the highest price at which shares were sold was $248.99. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth in footnotes (2) through (4) to this Form 4.

Footnote F3

Represents the weighted average sale price. The lowest price at which shares were sold was $249.00 and the highest price at which shares were sold was $249.98.

Footnote F4

Represents the weighted average sale price. The lowest price at which shares were sold was $250.00 and the highest price at which shares were sold was $250.07.

Footnote F5

The option vests as to 1/48 of the total shares monthly over four years, with the first 1/48 vesting on July 3, 2019 and 100% of the total shares vested and exercisable on June 3, 2023, subject to the Reporting Person's continued service to the Issuer on each vesting date. The option contains an early-exercise provision and is exercisable as to unvested shares, subject to the Issuer's right of repurchase.