Armstrong Brian

CIK 00018514921 companyNEW YORK, NY

SEC Profile

Transactions

Companies

Filings

CIK

0001851492

Recent Transactions

50 trades

Exercise/Conversion
Coinbase Global, Inc.$COIN
Employee Stock Option (right to buy)
2026-01-05−40,000→ 2,553,924 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2026-01-05$248.53/sh−20,790→ 19,210 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2026-01-05$249.41/sh−18,923→ 287 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2026-01-05$250.01/sh−287→ 0 total
Exercise/Conversion
Coinbase Global, Inc.$COIN
Class A Common Stock
2026-01-05$18.71/sh+40,000→ 40,000 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-12-08$273.45/sh−5,213→ 20,149 total
Exercise/Conversion
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-12-08$18.71/sh+40,000→ 40,000 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-12-08$276.07/sh−1,773→ 0 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-12-08$272.44/sh−9,978→ 25,362 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-12-08$274.50/sh−5,902→ 14,247 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-12-08$271.57/sh−4,660→ 35,340 total
Exercise/Conversion
Coinbase Global, Inc.$COIN
Employee Stock Option (right to buy)
2025-12-08−40,000→ 2,633,924 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-12-08$275.41/sh−12,474→ 1,773 total
Exercise/Conversion
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-26$18.71/sh+40,000→ 40,000 total
Exercise/Conversion
Coinbase Global, Inc.$COIN
Employee Stock Option (right to buy)
2025-11-26−40,000→ 2,673,924 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-26$255.47/sh−8,049→ 31,951 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-26$257.37/sh−11,047→ 15,329 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-26$256.39/sh−5,575→ 26,376 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-26$258.27/sh−10,235→ 5,094 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-26$259.15/sh−5,094→ 0 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-17$272.88/sh−1,848→ 4,484 total
Exercise/Conversion
Coinbase Global, Inc.$COIN
Employee Stock Option (right to buy)
2025-11-17−40,000→ 2,713,924 total
Exercise/Conversion
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-17$18.71/sh+40,000→ 40,000 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-17$274.73/sh−603→ 36 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-17$271.14/sh−15,711→ 24,289 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-17$274.06/sh−3,845→ 639 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-17$271.83/sh−17,957→ 6,332 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-17$275.91/sh−36→ 0 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-10$320.58/sh−9,196→ 5,066 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-10$321.68/sh−1,839→ 3,227 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-10$323.82/sh−1,532→ 1,142 total
Conversion
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-10+25,000→ 25,526 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-10$322.89/sh−553→ 2,674 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-10$324.37/sh−616→ 526 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-10$319.85/sh−11,264→ 14,262 total
Conversion
Coinbase Global, Inc.$COIN
Class B Common Stock
2025-11-10−25,000→ 22,681,225 total
Conversion
Coinbase Global, Inc.$COIN
Class B Common Stock
2025-11-03−25,000→ 22,706,225 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-03$335.12/sh−4,524→ 21,002 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-03$337.45/sh−5,424→ 11,277 total
Conversion
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-03+25,000→ 25,526 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-03$336.18/sh−4,301→ 16,701 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-03$338.22/sh−5,080→ 6,197 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-03$339.26/sh−2,600→ 3,597 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-11-03$340.15/sh−3,071→ 526 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-10-13$360.48/sh−6,433→ 16,338 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-10-13$361.45/sh−8,724→ 7,614 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-10-13$359.49/sh−2,755→ 22,771 total
Conversion
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-10-13+25,000→ 25,526 total
Sale
Coinbase Global, Inc.$COIN
Class A Common Stock
2025-10-13$362.35/sh−5,754→ 1,860 total
Conversion
Coinbase Global, Inc.$COIN
Class B Common Stock
2025-10-13−25,000→ 22,731,225 total

Companies

Coinbase Global, Inc.
Director, Chairman and CEO, 10% Owner
$COIN

Recent Filings

Address

C/O COINBASE GLOBAL, INC. ONE MADISON AVENUE, SUITE 2400

NEW YORK, NY, 10010

View on SEC.gov