Brian Armstrong - 10 Nov 2025 Form 4 Insider Report for Coinbase Global, Inc. (COIN)

Reporting relationship: Chairman and CEO, Director, 10%+ Owner
Issuer ticker: COIN
Reported as of: 10 Nov 2025
Net transaction value: -$8,016,807
SEC form: 4
Accepted by SEC: 14 Nov 2025, 16:35:54 UTC
Prior SEC filing: 05 Nov 2025
Next SEC filing: 19 Nov 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 14 Nov 2025.

Key facts

This page summarizes Brian Armstrong's Form 4 filing for Coinbase Global, Inc. (COIN).
8 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 14 Nov 2025, 16:35.

Change

Previous filing in this sequence was filed on 05 Nov 2025.
Current net transaction value: -$8,016,807.

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: 14 Nov 2025

Reported non-derivative transactions

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

COIN transaction

Class A Common Stock

Conversion of derivative security

Transaction value: $0
Shares: +25,000
Change %: +4753%
Price: $0.000000
Shares after: 25,526
Date: 10 Nov 2025
Ownership: By The Brian Armstrong Living Trust
Footnotes: F1, F2, F3

COIN transaction

Class A Common Stock

Sale

Transaction value: $3,602,735
Shares: -11,264
Change %: -44%
Price: $319.85
Shares after: 14,262
Date: 10 Nov 2025
Ownership: By The Brian Armstrong Living Trust
Footnotes: F2, F4

COIN transaction

Class A Common Stock

Sale

Transaction value: $2,948,044
Shares: -9,196
Change %: -64%
Price: $320.58
Shares after: 5,066
Date: 10 Nov 2025
Ownership: By The Brian Armstrong Living Trust
Footnotes: F2, F5

COIN transaction

Class A Common Stock

Sale

Transaction value: $591,564
Shares: -1,839
Change %: -36%
Price: $321.68
Shares after: 3,227
Date: 10 Nov 2025
Ownership: By The Brian Armstrong Living Trust
Footnotes: F2, F6

COIN transaction

Class A Common Stock

Sale

Transaction value: $178,556
Shares: -553
Change %: -17%
Price: $322.89
Shares after: 2,674
Date: 10 Nov 2025
Ownership: By The Brian Armstrong Living Trust
Footnotes: F2, F7

COIN transaction

Class A Common Stock

Sale

Transaction value: $496,096
Shares: -1,532
Change %: -57%
Price: $323.82
Shares after: 1,142
Date: 10 Nov 2025
Ownership: By The Brian Armstrong Living Trust
Footnotes: F2, F8

COIN transaction

Class A Common Stock

Sale

Transaction value: $199,811
Shares: -616
Change %: -54%
Price: $324.37
Shares after: 526
Date: 10 Nov 2025
Ownership: By The Brian Armstrong Living Trust
Footnotes: F2, F9

Reported derivative securities

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

COIN transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value: $0
Shares: -25,000
Change %: -0.11%
Price: $0.000000
Shares after: 22,681,225
Date: 10 Nov 2025
Ownership: By The Brian Armstrong Living Trust
Underlying class: Class A Common Stock
Underlying amount: 25,000
Exercise price
Footnotes: F1, F2, F3

COIN holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,958,393
Date: 10 Nov 2025
Ownership: The Ehrsam 2014 Irrevocable Trust
Underlying class: Class A Common Stock
Underlying amount: 2,958,393
Exercise price
Footnotes: F3, F10

^* 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 10 footnotes

Footnote F1

Represents the conversion of Class B Common Stock held of record by The Brian Armstrong Living Trust into Class A Common Stock.

Footnote F2

The transactions reported on this line were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 15, 2024, during an open trading window.

Footnote F3

Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

Footnote F4

Represents the weighted average sale price. The lowest price at which shares were sold was $319.18 and the highest price at which shares were sold was $320.175. 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 ranges set forth in footnotes (4) through (9) to this Form 4.

Footnote F5

Represents the weighted average sale price. The lowest price at which shares were sold was $320.18 and the highest price at which shares were sold was $321.165.

Footnote F6

Represents the weighted average sale price. The lowest price at which shares were sold was $321.18 and the highest price at which shares were sold was $322.17.

Footnote F7

Represents the weighted average sale price. The lowest price at which shares were sold was $322.24 and the highest price at which shares were sold was $323.17.

Footnote F8

Represents the weighted average sale price. The lowest price at which shares were sold was $323.27 and the highest price at which shares were sold was $324.01.

Footnote F9

Represents the weighted average sale price. The lowest price at which shares were sold was $324.24 and the highest price at which shares were sold was $324.625.

Footnote F10

These shares are held by The Ehrsam 2014 Irrevocable Trust, of which the Reporting Person is trustee. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein, if any.