Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 10 years
- Director since
- 2023
10 years of board service in total across 3 boards, counting each seat separately. Longest: Samsara Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Samsara Inc. July 22, 202699.8%
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Coinbase Global Inc. June 16, 202697.1%
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Meta Platforms Inc. May 27, 202695.9%
-
Samsara Inc. July 29, 202599.9%
-
Coinbase Global Inc. June 18, 202594.0%
-
Meta Platforms Inc. May 28, 202586.1%
-
Samsara Inc. July 10, 202499.9%
-
Coinbase Global Inc. June 14, 202498.5%
-
Meta Platforms Inc. May 29, 202485.3%
-
Samsara Inc. June 29, 2023100.0%
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Meta Platforms Inc. May 31, 202390.6%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Nov 2, 2026 | Meta Platforms Inc. | Open-market sale | −5,573 | $606.85 | $3,381,975 |
| Nov 2, 2026 | Meta Platforms Inc. | Open-market sale | −872 | $608.26 | $530,403 |
| Nov 2, 2026 | Meta Platforms Inc. | Open-market sale | −1,964 | $609.33 | $1,196,724 |
| Nov 2, 2026 | Meta Platforms Inc. | Open-market sale | −4,629 | $610.27 | $2,824,940 |
| Nov 2, 2026 | Meta Platforms Inc. | Open-market sale | −4,571 | $611.14 | $2,793,521 |
| Nov 2, 2026 | Meta Platforms Inc. | Open-market sale | −1,986 | $612.12 | $1,215,670 |
| Nov 2, 2026 | Meta Platforms Inc. | Open-market sale | −1,292 | $613.10 | $792,125 |
| Nov 2, 2026 | Meta Platforms Inc. | Open-market sale | −64 | $613.88 | $39,288 |
| Oct 2, 2026 | Coinbase Global Inc. | Open-market sale | −6,838 | $198.00 | $1,353,924 |
| Oct 1, 2026 | Coinbase Global Inc. | Open-market sale | −13,676 | $186.18 | $2,546,198 |
| Sep 21, 2026 | Coinbase Global Inc. | Open-market sale | −6,838 | $205.05 | $1,402,132 |
| Sep 8, 2026 | Coinbase Global Inc. | Open-market sale | −13,676 | $181.14 | $2,477,271 |
| Aug 7, 2026 | Braveheart Bio Inc. | Derivative conversion | +9,132,420 | — | — |
| Aug 7, 2026 | Braveheart Bio Inc. | Open-market purchase | +1,100,000 | $18.00 | $19,800,000 |
| Aug 4, 2026 | Meta Platforms Inc. | Open-market sale | −250 | $588.16 | $147,040 |
Questions about Marc L. Andreessen
What boards is Marc L. Andreessen on?
Marc L. Andreessen sits on the boards of Coinbase Global Inc., Meta Platforms Inc. and Samsara Inc.
How long has Marc L. Andreessen served on boards?
Our records show at least 10 years of board service across 3 boards, the earliest from 2023.
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