Nathan Richardson

Insider

First SEC filing: June 3, 2026 · Latest: June 3, 2026

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Insider at

0 buys (P) 1 sells (S) Net: $-18,885 + 3 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

3 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 1, 2026	GRND	S	1,500	$12.59	$18,885	6,833	—	—	24.7% (price as of 2026-08-20)
Sept. 29, 2023	GRND	A	2,653	—	—	25,485 Direct	+11.62%	Acquired	(price as of 2026-08-20)
June 21, 2023	GRND	A	16,582	—	—	22,832 Direct	+265.31%	Acquired	(price as of 2026-08-20)
Nov. 18, 2022	GRND	A	6,250	—	—	6,250 Direct	—	Acquired	(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.