Justin Mateen

Insider

First SEC filing: Sept. 12, 2025 · Latest: Sept. 12, 2025

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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

ABTC buying Aug. 6, 2026

Insider transactions

3 buys (P) 0 sells (S) Net: $3,784,566 + 4 non-open-market transactions below Avg return of open purchases vs now: 8.7% 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
Aug. 6, 2026	ABTC	P	162,438	$6.19	$1,005,491	492,297 Direct	+49.24%	Acquired	37.8% (price as of 2026-08-20)
Aug. 5, 2026	ABTC	P	144,543	$6.40	$925,075	329,859 Direct	+78.00%	Acquired	33.2% (price as of 2026-08-20)
July 29, 2026	ABTC	A	46,404	—	—	46,404 Direct	—	Acquired	(price as of 2026-08-20)
June 22, 2026	ABTC	M	254,778	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 22, 2026	ABTC	M	254,778	—	—	2,779,753 Direct	+10.09%	Acquired	(price as of 2026-08-20)
March 3, 2026	ABTC	P	1,800,000	$1.03	$1,854,000	2,524,975 Direct	+248.28%	Acquired	-44.8% (price as of 2026-08-20)
Feb. 24, 2026	ABTC	A	254,778	—	—	254,778 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.

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
July 29, 2026	ABTC	Restricted Stock Units	Class A Common Stock (46,404)	—	—	46,404	Acquired
June 22, 2026	ABTC	Restricted Stock Units	Class A Common Stock (254,778)	—	—	254,778	Disposed
Feb. 24, 2026	ABTC	Restricted Stock Units	Class C Common Stock (254,778)	—	—	254,778	Acquired

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
Sept. 12, 2025	ABTC	Class A Common Stock	724,975	Indirect