Marc L. Andreessen

CIK: 0001160077

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)60 (51.7%)

Position reduction

Option Exercises (M)4 (3.4%)

Derivative conversions

Awards (A)6 (5.2%)

Compensation grants

Other (G, F, J, C, D, …)46 (39.7%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (3)

COIN

Coinbase Global, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (116 total)

COIN
Coinbase Global, Inc.
Oct 2, 2026
Sale(S)
Indirect
6.8K shares at avg. $198.00$1.4M
COIN
Coinbase Global, Inc.
Oct 1, 2026
Sale(S)
Indirect
13.7K shares at avg. $186.18$2.5M
COIN
Coinbase Global, Inc.
Sep 21, 2026
Sale(S)
Indirect
6.8K shares at avg. $205.05$1.4M
COIN
Coinbase Global, Inc.
Sep 8, 2026
Sale(S)
Indirect
13.7K shares at avg. $181.14$2.5M
META
Meta Platforms, Inc.
Aug 4, 2026
Sale(S)
Indirect
250 shares at avg. $588.16$147K
META
Meta Platforms, Inc.
Aug 4, 2026
Sale(S)
Indirect
45 shares at avg. $591.69$27K
META
Meta Platforms, Inc.
Aug 4, 2026
Sale(S)
Indirect
44 shares at avg. $590.39$26K
META
Meta Platforms, Inc.
Aug 4, 2026
Sale(S)
Indirect
87 shares at avg. $589.24$51K
IOT
Samsara Inc.
Jul 22, 2026
Award(A)
Direct
7.8K shares-
COIN
Coinbase Global, Inc.
Jun 16, 2026
Exercise(M)
Indirect
1.2K shares-
COIN
Coinbase Global, Inc.
Jun 16, 2026
Award(A)
Restricted Stock Units
Direct
2.3K shares-
META
Meta Platforms, Inc.
Jun 15, 2026
Award(A)
Restricted Stock Units (RSU) (Class A)
Direct
490 shares-
IOT
Samsara Inc.
Jun 11, 2026
Sale(S)
Indirect
468.8K shares at avg. $32.18$15.1M
IOT
Samsara Inc.
Jun 11, 2026
Sale(S)
Indirect
144.9K shares at avg. $32.56$4.7M
IOT
Samsara Inc.
Jun 10, 2026
Sale(S)
Indirect
331.2K shares at avg. $34.11$11.3M
IOT
Samsara Inc.
Jun 10, 2026
Sale(S)
Indirect
168.8K shares at avg. $32.83$5.5M
IOT
Samsara Inc.
Jun 9, 2026
Sale(S)
Indirect
210.1K shares at avg. $33.37$7.0M
IOT
Samsara Inc.
Jun 9, 2026
Sale(S)
Indirect
190.6K shares at avg. $34.16$6.5M
IOT
Samsara Inc.
Jun 9, 2026
Sale(S)
Indirect
174.3K shares at avg. $34.99$6.1M
IOT
Samsara Inc.
Jun 8, 2026
Sale(S)
Indirect
35.7K shares at avg. $34.73$1.2M
IOT
Samsara Inc.
Jun 8, 2026
Sale(S)
Indirect
202 shares at avg. $35.50$7K
IOT
Samsara Inc.
Jun 8, 2026
Sale(S)
Indirect
531.9K shares at avg. $34.05$18.1M
META
Meta Platforms, Inc.
May 15, 2026
Exercise(M)
Indirect
480 shares-
IOT
Samsara Inc.
Sep 9, 2025
Sale(S)
Indirect
50.7K shares at avg. $39.67$2.0M
IOT
Samsara Inc.
Sep 9, 2025
Sale(S)
Indirect
137.1K shares at avg. $38.78$5.3M

		Type	Shares	Price		Ownership
Oct 2, 2026	COIN Coinbase Global, Inc.	Sale(S)	6,838	$198.00	$1,353,924	Indirect
Oct 1, 2026	COIN Coinbase Global, Inc.	Sale(S)	13,676	$186.18	$2,546,198	Indirect
Sep 21, 2026	COIN Coinbase Global, Inc.	Sale(S)	6,838	$205.05	$1,402,132	Indirect
Sep 8, 2026	COIN Coinbase Global, Inc.	Sale(S)	13,676	$181.14	$2,477,260	Indirect
Aug 4, 2026	META Meta Platforms, Inc.	Sale(S)	250	$588.16	$147,040	Indirect
Aug 4, 2026	META Meta Platforms, Inc.	Sale(S)	45	$591.69	$26,626	Indirect
Aug 4, 2026	META Meta Platforms, Inc.	Sale(S)	44	$590.39	$25,977	Indirect
Aug 4, 2026	META Meta Platforms, Inc.	Sale(S)	87	$589.24	$51,264	Indirect
Jul 22, 2026	IOT Samsara Inc.	Award(A)	7,801	-	$0	Direct
Jun 16, 2026	COIN Coinbase Global, Inc.	Exercise(M)	1,150	-	$0	Indirect
Jun 16, 2026	COIN Coinbase Global, Inc.	Award(A) Restricted Stock Units	2,303	-	-	Direct
Jun 15, 2026	META Meta Platforms, Inc.	Award(A) Restricted Stock Units (RSU) (Class A)	490	-	-	Direct
Jun 11, 2026	IOT Samsara Inc.	Sale(S)	468,751	$32.18	$15,083,985	Indirect
Jun 11, 2026	IOT Samsara Inc.	Sale(S)	144,909	$32.56	$4,717,875	Indirect
Jun 10, 2026	IOT Samsara Inc.	Sale(S)	331,194	$34.11	$11,296,829	Indirect
Jun 10, 2026	IOT Samsara Inc.	Sale(S)	168,806	$32.83	$5,541,665	Indirect
Jun 9, 2026	IOT Samsara Inc.	Sale(S)	210,126	$33.37	$7,011,547	Indirect
Jun 9, 2026	IOT Samsara Inc.	Sale(S)	190,605	$34.16	$6,510,190	Indirect
Jun 9, 2026	IOT Samsara Inc.	Sale(S)	174,269	$34.99	$6,098,457	Indirect
Jun 8, 2026	IOT Samsara Inc.	Sale(S)	35,711	$34.73	$1,240,400	Indirect
Jun 8, 2026	IOT Samsara Inc.	Sale(S)	202	$35.50	$7,171	Indirect
Jun 8, 2026	IOT Samsara Inc.	Sale(S)	531,914	$34.05	$18,109,544	Indirect
May 15, 2026	META Meta Platforms, Inc.	Exercise(M)	480	-	$0	Indirect
Sep 9, 2025	IOT Samsara Inc.	Sale(S)	50,712	$39.67	$2,011,745	Indirect
Sep 9, 2025	IOT Samsara Inc.	Sale(S)	137,145	$38.78	$5,318,483	Indirect

1-25 of 116 transactions

About Andreessen Marc L

Andreessen Marc L (SEC CIK 0001160077) files insider reports with the SEC as Director of Coinbase Global, Inc. (COIN), Director of Meta Platforms, Inc. (META) and Director of Samsara Inc. (IOT).

Signal8 holds 20 ownership filings by Andreessen Marc L, all Form 4s, filed between Sep 12, 2024 and Oct 5, 2026. Those filings report 116 transactions, from Sep 10, 2024 to Oct 2, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Andreessen Marc L's filings is in MENLO PARK, CA.

Recent filings by Andreessen Marc L

Oct 2, 2026: Open-market sale of COIN shares (Form 4, code S).
Oct 1, 2026: Open-market sale of COIN shares (Form 4, code S).
Sep 21, 2026: Open-market sale of COIN shares (Form 4, code S).
Sep 8, 2026: Open-market sale of COIN shares (Form 4, code S).
Aug 4, 2026: Open-market sales of META shares (4 lines, Form 4, code S).

Other insiders filing for Coinbase Global, Inc. (COIN)

HAAS ALESIA J, Chief Financial Officer
WILSON FREDERICK R, Director
Armstrong Anthony, Director
Jones Jennifer N., Chief Accounting Officer
Choi Emilie, President & COO
Davies Christa, Director

How to read Form 4 transaction codes