Amy Von Walter

Insider

First SEC filing: June 12, 2019 · Latest: June 12, 2019

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 5 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

5 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Sept. 30, 2021	ATER	A	8,449	—	—	44,418 Direct	+23.49%	Acquired	(price as of 2026-08-21)
Sept. 30, 2021	ATER	A	1,144	—	—	35,969 Direct	+3.28%	Acquired	(price as of 2026-08-21)
May 21, 2021	ATER	P	1,500	$16.30	$24,450	34,825 Direct	+4.50%	Acquired	-99.8% (price as of 2026-08-21)
Sept. 30, 2020	ATER	A	3,000	—	—	33,325 Direct	+9.89%	Acquired	(price as of 2026-08-21)
June 12, 2020	ATER	P	2,000	$5.16	$10,320	30,325 Direct	+7.06%	Acquired	-99.3% (price as of 2026-08-21)
Aug. 21, 2019	ATER	D	28,325	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 21, 2019	ATER	A	28,325	—	—	28,325 Direct	—	Acquired	(price as of 2026-08-21)

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.

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

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Aug. 21, 2019	ATER	Stock Option (Right to Buy)	Common Stock (28,325)	$10.00	June 12, 2029	28,325	Disposed

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

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

Date	Ticker	Security	Shares	Ownership
June 12, 2019	ATER	Stock Option (Right to Buy)→ Common Stock (28,325)	28,325	Direct