Insider at

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Insider transactions

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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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 10, 2009 ATRC F 9,366 $2.77 $25,944 18,335 Direct -33.81% Disposed 1890.6% (price as of 2026-10-02)
Feb. 10, 2009 ATRC A 27,701 · · 27,701 Direct · Acquired (price as of 2026-10-02)
May 28, 2008 ATRC A 15,000 · · 15,000 Direct · Acquired (price as of 2026-10-02)
June 20, 2007 ATRC A 15,000 · · 15,000 Direct · Acquired (price as of 2026-10-02)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
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

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

Initial ownership (Form 3) 2 holdings

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

DateTickerSecuritySharesOwnership
April 27, 2007 ATRC Stock Option (Right to Buy)→ Common Stock (55,263) 55,263 Direct
April 27, 2007 ATRC Stock Option (Right to Buy)→ Common Stock (14,000) 14,000 Direct