Jeff Blank

Insider

First SEC filing: Jan. 12, 2021 · Latest: Jan. 12, 2021

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 4 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

4 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 13, 2021	DDD	F	985	$29.35	$28,910	51,229 Direct	-1.89%	Disposed	-88.8% (price as of 2026-08-19)
May 17, 2021	DDD	F	1,618	$22.71	$36,745	52,214 Direct	-3.01%	Disposed	-85.5% (price as of 2026-08-19)
May 14, 2021	DDD	S	10,000	$21.90	$219,000	53,832 Direct	-15.67%	Disposed	-84.9% (price as of 2026-08-19)
Feb. 16, 2021	DDD	F	826	$47.85	$39,524	63,832 Direct	-1.28%	Disposed	-93.1% (price as of 2026-08-19)
Jan. 12, 2021	DDD	A	15,381	—	—	64,658 Direct	+31.21%	Acquired	(price as of 2026-08-19)

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
Jan. 12, 2021	DDD	Common Stock	49,277	Direct