Douglas Clark Wurth

Insider

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

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

Insider transactions

1 buys (P) 0 sells (S) Net: $25,000 + 6 non-open-market transactions below Avg return of open purchases vs now: -52.3% 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

6 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 17, 2026	BJDX	A	100,000	—	—	100,000 Direct	—	Acquired	(price as of 2026-08-20)
March 14, 2026	BJDX	P	12,500	$2.00	$25,000	12,608 Direct	+11574.07%	Acquired	-52.3% (price as of 2026-08-20)
Feb. 1, 2023	BJDX	A	27,500	$0.44	$12,100	2,313,849 Direct	+1.20%	Acquired	-100.0% (price as of 2026-08-20)
March 22, 2022	BJDX	A	2,500	—	—	254,728 Direct	+0.99%	Acquired	(price as of 2026-08-20)
March 17, 2022	BJDX	P	40,000	$1.18	$47,200	2,286,349 Direct	+1.78%	Acquired	-100.0% (price as of 2026-08-20)
March 16, 2022	BJDX	P	60,000	$1.09	$65,400	2,246,349 Direct	+2.74%	Acquired	-100.0% (price as of 2026-08-20)
Jan. 10, 2022	BJDX	A	25,000	—	—	252,228 Direct	+11.00%	Acquired	(price as of 2026-08-20)
March 10, 2021	CIFR	G	70,000	—	—	195,000 Direct	+56.00%	Acquired	(price as of 2026-08-20)
March 10, 2021	CIFR	G	250,000	—	—	125,000 Direct	-66.67%	Disposed	(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.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Aug. 17, 2026	BJDX	Stock Option (Right to Buy)	Common Stock (100,000)	$2.08	Aug. 17, 2031	100,000	Acquired
March 22, 2022	BJDX	Option to purchase common stock	Common Stock (2,500)	$1.26	March 22, 2032	2,500	Acquired
Jan. 10, 2022	BJDX	Option to purchase common stock	Common Stock (25,000)	$2.79	Jan. 10, 2032	25,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 7 holdings

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

Date	Ticker	Security	Shares	Ownership
Nov. 9, 2021	BJDX	Common Stock	2,186,349	Direct
Nov. 9, 2021	BJDX	Common Stock	1,108,883	Indirect
Nov. 9, 2021	BJDX	Warrant (right to buy)→ Common Stock (62,000)	62,000	Indirect
Nov. 9, 2021	BJDX	Warrant (right to buy)→ Common Stock (7,868)	7,868	Indirect
Nov. 9, 2021	BJDX	Option (right to buy)→ Common Stock (118,020)	118,020	Direct
Nov. 9, 2021	BJDX	Option (right to buy)→ Common Stock (39,340)	39,340	Direct
Oct. 29, 2020	CIFR	Common Stock	375,000	Direct