William Spencer Marshall

William Spencer Marshall serves as director, officer: Co-Founder and CEO at Planet Labs PBC (PL). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

2 trades

$394.3K

Total Sells

9 trades

$20.52M

Net Position

Net Seller

$20.12M

Companies Traded

Active Period

Dec 2021 – Apr 2026

11 total trades

Most Recent

Sell PL

Apr 8, 2026 · $7.01M

William Spencer Marshall's Insider Trading at Planet Labs PBC (PL)

Buys

2 · $394.3K

Sells

9 · $20.52M

Total Shares Bought

119,230

Total Shares Sold

1,050,693

PL Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Apr 8, 2026	Sell	200,000	$35.07	$7.01M	3,192,726
Feb 3, 2026	Sell	63,041	$23.95	$1.51M	0
Jan 21, 2026	Sell	63,039	$26.38	$1.66M	0
Jan 13, 2026	Sell	120,522	$25.32	$3.05M	0
Dec 15, 2025	Sell	121,897	$18.05	$2.20M	0
Oct 13, 2025	Sell	200,000	$15.50	$3.10M	0
Sep 15, 2025	Sell	140,476	$9.86	$1.39M	0
Mar 20, 2025	Sell	75,874	$4.24	$321.7K	0
Mar 15, 2025	Sell	65,844	$4.16	$273.9K	0
Sep 19, 2023	Buy	100,000	$2.70	$269.8K	1,405,356
Dec 23, 2021	Buy	19,230	$6.47	$124.4K	19,230