Frederick Preiss

Insider

First SEC filing: Aug. 18, 2005 · Latest: Aug. 18, 2005

On this page

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

ATRC selling June 14, 2011

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 25 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

25 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 9, 2012	ATRC	F	640	$11.05	$7,072	22,162 Direct	-2.81%	Disposed	330.9% (price as of 2026-08-19)
July 29, 2011	ATRC	F	1,198	$12.17	$14,580	22,802 Direct	-4.99%	Disposed	291.2% (price as of 2026-08-19)
June 14, 2011	ATRC	M	21,052	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
June 14, 2011	ATRC	M	14,687	—	—	313 Direct	-97.91%	Disposed	(price as of 2026-08-19)
June 14, 2011	ATRC	M	3,680	—	—	18,320 Direct	-16.73%	Disposed	(price as of 2026-08-19)
June 14, 2011	ATRC	S	39,419	$14.07	$554,625	24,000 Direct	-62.16%	Disposed	238.4% (price as of 2026-08-19)
June 14, 2011	ATRC	M	21,052	$11.63	$244,835	63,419 Direct	+49.69%	Acquired	309.4% (price as of 2026-08-19)
June 14, 2011	ATRC	M	3,680	$5.60	$20,608	42,367 Direct	+9.51%	Acquired	750.3% (price as of 2026-08-19)
June 14, 2011	ATRC	M	14,687	$9.50	$139,526	38,687 Direct	+61.20%	Acquired	401.2% (price as of 2026-08-19)
June 13, 2011	ATRC	M	10,773	—	—	3,175 Direct	-77.24%	Disposed	(price as of 2026-08-19)
June 13, 2011	ATRC	S	30,000	$14.00	$420,000	24,000 Direct	-55.56%	Disposed	240.1% (price as of 2026-08-19)
June 13, 2011	ATRC	M	10,773	$6.34	$68,301	54,000 Direct	+24.92%	Acquired	651.0% (price as of 2026-08-19)
June 10, 2011	ATRC	S	2,300	$14.07	$32,361	43,227 Direct	-5.05%	Disposed	238.4% (price as of 2026-08-19)
Feb. 17, 2011	ATRC	F	449	$11.52	$5,172	45,527 Direct	-0.98%	Disposed	313.3% (price as of 2026-08-19)
Feb. 9, 2011	ATRC	A	7,500	—	—	36,982 Direct	+25.44%	Acquired	(price as of 2026-08-19)
Feb. 9, 2011	ATRC	A	13,000	—	—	49,982 Direct	+35.15%	Acquired	(price as of 2026-08-19)
Feb. 9, 2011	ATRC	F	4,006	$11.20	$44,867	45,976 Direct	-8.01%	Disposed	325.1% (price as of 2026-08-19)
Feb. 9, 2011	ATRC	A	11,000	—	—	11,000 Direct	—	Acquired	(price as of 2026-08-19)
July 29, 2010	ATRC	F	1,198	$6.41	$7,679	29,482 Direct	-3.90%	Disposed	642.8% (price as of 2026-08-19)
Feb. 17, 2010	ATRC	A	22,000	—	—	22,000 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 17, 2010	ATRC	A	6,000	—	—	30,680 Direct	+24.31%	Acquired	(price as of 2026-08-19)
July 29, 2009	ATRC	A	16,000	—	—	24,680 Direct	+184.33%	Acquired	(price as of 2026-08-19)
May 15, 2009	ATRC	S	8,500	$2.40	$20,400	8,680 Direct	-49.48%	Disposed	1884.0% (price as of 2026-08-19)
May 10, 2009	ATRC	F	8,937	$2.77	$24,755	17,180 Direct	-34.22%	Disposed	1619.0% (price as of 2026-08-19)
Feb. 10, 2009	ATRC	A	26,117	—	—	26,117 Direct	—	Acquired	(price as of 2026-08-19)
May 28, 2008	ATRC	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-19)
June 20, 2007	ATRC	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-19)
Sept. 6, 2006	ATRC	A	13,948	—	—	13,948 Direct	—	Acquired	(price as of 2026-08-19)
Dec. 7, 2005	ATRC	A	10,000	—	—	10,000 Direct	—	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.

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
June 14, 2011	ATRC	Stock Option (right to buy)	Common Stock (21,052)	$11.63	June 20, 2017	21,052	Disposed
June 14, 2011	ATRC	Stock Option (right to buy)	Common Stock (14,687)	$9.50	June 20, 2017	14,687	Disposed
June 14, 2011	ATRC	Stock Option (right to buy)	Common Stock (3,680)	$5.60	Feb. 17, 2020	3,680	Disposed
June 13, 2011	ATRC	Stock Option (right to buy)	Common Stock (10,773)	$6.34	Sept. 6, 2016	10,773	Disposed
Feb. 9, 2011	ATRC	Stock Option (Right to Buy)	Common Stock (11,000)	$11.20	Feb. 9, 2021	11,000	Acquired
Feb. 17, 2010	ATRC	Stock Option (right to buy)	Common Stock (22,000)	$5.60	Feb. 17, 2020	22,000	Acquired
May 28, 2008	ATRC	Stock Option (Right to Buy)	Common Stock (15,000)	$10.10	May 28, 2018	15,000	Acquired
June 20, 2007	ATRC	Stock Option (Right to Buy)	Common Stock (15,000)	$9.50	June 20, 2017	15,000	Acquired
Sept. 6, 2006	ATRC	Stock Option (Right to Buy)	Common Stock (13,948)	$6.34	Sept. 6, 2016	13,948	Acquired
Dec. 7, 2005	ATRC	Stock Option (Right to Buy)	Common Stock (10,000)	$13.18	Dec. 7, 2015	10,000	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
Aug. 18, 2005	ATRC	Stock Option (Right to Buy)→ Common Stock (21,052)	21,052	Direct