Wei Xu

Insider

First SEC filing: Feb. 9, 2021 · Latest: Feb. 9, 2021

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 2 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

2 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 9, 2023	GDC	D	93,333	—	—	294,007 Direct	-24.10%	Disposed	(price as of 2026-08-20)
June 21, 2022	GDC	A	256,000	—	—	387,340 Direct	+194.91%	Acquired	(price as of 2026-08-20)
Aug. 11, 2020	GDC	P	185,184	$1.50	$277,776	3,960,184 Direct	+4.91%	Acquired	-100.0% (price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Feb. 9, 2021	GDC	Common Stock	3,940,184	Direct
Feb. 20, 2020	GDC	Common Stock	3,755,000	Direct

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2021	$10,000	—	—	—	—	—	—	$10,000
2020	$10,000	—	—	—	—	—	—	$10,000

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.