SEC filings · Form 4, Schedule 13D/G
Brian Armstrong
SEC Form 4 data · Jul 01, 2024 – Jun 30, 2026
Brian Armstrong's stock sales and purchases
Every open-market purchase and sale Brian Armstrong reported on Form 4 over two years, as SEC lists the filer: “Armstrong Brian”. Grants, option exercises and gifts are not trades and are left out.
- Bought
- —
- Sold
- $479.3M
- Trades
- 172
- Sales on a 10b5-1 plan
- 100%
COINCoinbase Global, Inc.Chairman and CEO
172 sales worth $479.3M (all on a 10b5-1 plan). Largest sale: $25.8M on Jun 25, 2025.
| Quarter | Bought | Sold |
|---|---|---|
| Q1 2026 | — | −$10M3 sales · all on a plan |
| Q4 2025 | — | −$76.5M44 sales · all on a plan |
| Q3 2025 | — | −$40.2M21 sales · all on a plan |
| Q2 2025 | — | −$181.1M31 sales · all on a plan |
| Q1 2025 | — | −$31.1M22 sales · all on a plan |
| Q4 2024 | — | −$126.8M21 sales · all on a plan |
| Q3 2024 | — | −$13.6M30 sales · all on a plan |
Most recent trades30 of 172
Brian Armstrong10b5-1
Chairman and CEO · Director
−$5.2M
Jan 05, 2026
20,790 sh · $248.53
Brian Armstrong10b5-1
Chairman and CEO · Director
−$4.7M
Jan 05, 2026
18,923 sh · $249.41
Brian Armstrong10b5-1
Chairman and CEO · Director
−$71.8K
Jan 05, 2026
287 sh · $250.01
Brian Armstrong10b5-1
Chairman and CEO · Director
−$2.9M
Dec 22, 2025
11,707 sh · $250.50
Brian Armstrong10b5-1
Chairman and CEO · Director
−$2.3M
Dec 22, 2025
9,138 sh · $248.61
Brian Armstrong10b5-1
Chairman and CEO · Director
−$2.2M
Dec 22, 2025
8,937 sh · $249.55
Brian Armstrong10b5-1
Chairman and CEO · Director
−$2.2M
Dec 22, 2025
8,635 sh · $251.52
Brian Armstrong10b5-1
Chairman and CEO · Director
−$399.4K
Dec 22, 2025
1,583 sh · $252.30
Brian Armstrong10b5-1
Chairman and CEO · Director
−$3.4M
Dec 08, 2025
12,474 sh · $275.41
Brian Armstrong10b5-1
Chairman and CEO · Director
−$2.7M
Dec 08, 2025
9,978 sh · $272.44
Brian Armstrong10b5-1
Chairman and CEO · Director
−$1.6M
Dec 08, 2025
5,902 sh · $274.50
Brian Armstrong10b5-1
Chairman and CEO · Director
−$1.4M
Dec 08, 2025
5,213 sh · $273.45
Brian Armstrong10b5-1
Chairman and CEO · Director
−$1.3M
Dec 08, 2025
4,660 sh · $271.57
Brian Armstrong10b5-1
Chairman and CEO · Director
−$489.5K
Dec 08, 2025
1,773 sh · $276.07
Brian Armstrong10b5-1
Chairman and CEO · Director
−$2.8M
Nov 26, 2025
11,047 sh · $257.37
Brian Armstrong10b5-1
Chairman and CEO · Director
−$2.6M
Nov 26, 2025
10,235 sh · $258.27
Brian Armstrong10b5-1
Chairman and CEO · Director
−$2.1M
Nov 26, 2025
8,049 sh · $255.47
Brian Armstrong10b5-1
Chairman and CEO · Director
−$1.4M
Nov 26, 2025
5,575 sh · $256.39
Brian Armstrong10b5-1
Chairman and CEO · Director
−$1.3M
Nov 26, 2025
5,094 sh · $259.15
Brian Armstrong10b5-1
Chairman and CEO · Director
−$4.9M
Nov 17, 2025
17,957 sh · $271.83
Brian Armstrong10b5-1
Chairman and CEO · Director
−$4.3M
Nov 17, 2025
15,711 sh · $271.14
Brian Armstrong10b5-1
Chairman and CEO · Director
−$1.1M
Nov 17, 2025
3,845 sh · $274.06
Brian Armstrong10b5-1
Chairman and CEO · Director
−$504.3K
Nov 17, 2025
1,848 sh · $272.88
Brian Armstrong10b5-1
Chairman and CEO · Director
−$165.7K
Nov 17, 2025
603 sh · $274.73
Brian Armstrong10b5-1
Chairman and CEO · Director
−$9.9K
Nov 17, 2025
36 sh · $275.91
Brian Armstrong10b5-1
Chairman and CEO · Director
−$3.6M
Nov 10, 2025
11,264 sh · $319.85
Brian Armstrong10b5-1
Chairman and CEO · Director
−$2.9M
Nov 10, 2025
9,196 sh · $320.58
Brian Armstrong10b5-1
Chairman and CEO · Director
−$591.6K
Nov 10, 2025
1,839 sh · $321.68
Brian Armstrong10b5-1
Chairman and CEO · Director
−$496.1K
Nov 10, 2025
1,532 sh · $323.82
Brian Armstrong10b5-1
Chairman and CEO · Director
−$199.8K
Nov 10, 2025
616 sh · $324.37
| Date | Insider | Shares | Price | Value |
|---|---|---|---|---|
| Jan 05, 2026 | Brian Armstrong10b5-1Chairman and CEO · Director | 20,790 | $248.53 | −$5.2M |
| Jan 05, 2026 | Brian Armstrong10b5-1Chairman and CEO · Director | 18,923 | $249.41 | −$4.7M |
| Jan 05, 2026 | Brian Armstrong10b5-1Chairman and CEO · Director | 287 | $250.01 | −$71.8K |
| Dec 22, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 11,707 | $250.50 | −$2.9M |
| Dec 22, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 9,138 | $248.61 | −$2.3M |
| Dec 22, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 8,937 | $249.55 | −$2.2M |
| Dec 22, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 8,635 | $251.52 | −$2.2M |
| Dec 22, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 1,583 | $252.30 | −$399.4K |
| Dec 08, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 12,474 | $275.41 | −$3.4M |
| Dec 08, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 9,978 | $272.44 | −$2.7M |
| Dec 08, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 5,902 | $274.50 | −$1.6M |
| Dec 08, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 5,213 | $273.45 | −$1.4M |
| Dec 08, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 4,660 | $271.57 | −$1.3M |
| Dec 08, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 1,773 | $276.07 | −$489.5K |
| Nov 26, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 11,047 | $257.37 | −$2.8M |
| Nov 26, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 10,235 | $258.27 | −$2.6M |
| Nov 26, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 8,049 | $255.47 | −$2.1M |
| Nov 26, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 5,575 | $256.39 | −$1.4M |
| Nov 26, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 5,094 | $259.15 | −$1.3M |
| Nov 17, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 17,957 | $271.83 | −$4.9M |
| Nov 17, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 15,711 | $271.14 | −$4.3M |
| Nov 17, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 3,845 | $274.06 | −$1.1M |
| Nov 17, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 1,848 | $272.88 | −$504.3K |
| Nov 17, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 603 | $274.73 | −$165.7K |
| Nov 17, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 36 | $275.91 | −$9.9K |
| Nov 10, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 11,264 | $319.85 | −$3.6M |
| Nov 10, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 9,196 | $320.58 | −$2.9M |
| Nov 10, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 1,839 | $321.68 | −$591.6K |
| Nov 10, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 1,532 | $323.82 | −$496.1K |
| Nov 10, 2025 | Brian Armstrong10b5-1Chairman and CEO · Director | 616 | $324.37 | −$199.8K |
From SEC's quarterly Form 3, 4 and 5 data sets through Jun 30, 2026; newer filings appear on each company's page and the live dashboard. A 10b5-1 plan fixes a sale's dates or amounts in advance. Monitoring, not advice.
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Questions
- How much COIN stock has Brian Armstrong sold?
- Between Jul 01, 2024 and Jun 30, 2026, Brian Armstrong sold $479.3M of Coinbase Global, Inc. (COIN) stock in 172 open-market sales, all of them under a pre-arranged Rule 10b5-1 trading plan. The largest single sale was $25.8M on Jun 25, 2025.
- Has Brian Armstrong bought COIN stock?
- No open-market purchase of COIN by Brian Armstrong appears in SEC's Form 4 data for trades between Jul 01, 2024 and Jun 30, 2026. Share grants and option exercises are not counted as purchases.
- Are Brian Armstrong's stock sales planned in advance?
- 100% of the sales on record (172 of 172) were marked on the Form 4 as made under a Rule 10b5-1 plan, which fixes dates or amounts months ahead so the sale is not a reaction to that day's news. A planned sale says nothing about where the stock is going.
- Where does this data come from?
- From SEC's quarterly Form 3, 4 and 5 data sets. Company insiders like Brian Armstrong — SEC lists the filer as "Armstrong Brian", role Chairman and CEO — must report a trade in their company's stock within two business days. Only open-market purchases (code P) and sales (code S) are counted; grants, option exercises and gifts are not.
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