Shuo Zhang

PDFS

Shuo Zhang serves as director at PDF Solutions, Inc. (PDFS). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

9 trades

$1.37M

Net Position

Net Seller

$1.37M

Companies Traded

PDFS, GDYN

Active Period

Sep 2021 – Aug 2026

9 total trades

Most Recent

Sell PDFS

Aug 12, 2026 · $77.3K

Shuo Zhang's Insider Trading at PDF Solutions, Inc. (PDFS)

Buys

0 · $0.00

Sells

5 · $711.3K

Total Shares Bought

Total Shares Sold

23,065

PDFS Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Aug 12, 2026	Sell	1,501	$51.47	$77.3K	23,380
Jun 4, 2024	Sell	5,500	$34.66	$190.6K	10,381
Aug 21, 2023	Sell	3,047	$33.75	$102.8K	15,881
Nov 17, 2022	Sell	2,000	$29.84	$59.7K	15,574
Mar 17, 2022	Sell	11,017	$25.50	$280.9K	10,362

Shuo Zhang's Insider Trading at Grid Dynamics Holdings, Inc. (GDYN)

Buys

0 · $0.00

Sells

4 · $658.6K

Total Shares Bought

Total Shares Sold

24,000

GDYN Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Dec 17, 2025	Sell	3,000	$9.75	$29.3K	92,515
Jun 5, 2024	Sell	4,000	$9.34	$37.4K	22,015
Dec 1, 2021	Sell	7,000	$39.38	$275.7K	11,595
Sep 9, 2021	Sell	10,000	$31.63	$316.3K	18,193