Insider at

04

Insider transactions

05
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

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

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
July 29, 2009 ATRC A 16,000 · · 27,879 Direct +134.69% Acquired (price as of 2026-10-05)
May 10, 2009 ATRC F 6,346 $2.77 $17,578 11,393 Direct -35.77% Disposed 1935.0% (price as of 2026-10-05)
Feb. 10, 2009 ATRC A 17,739 · · 17,739 Direct · Acquired (price as of 2026-10-05)
Feb. 10, 2009 ATRC A 27,701 · · 27,701 Direct · Acquired (price as of 2026-10-05)
May 28, 2008 ATRC A 50,000 · · 50,000 Direct · Acquired (price as of 2026-10-05)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
May 28, 2008 ATRC Stock Option (Right to Buy) Common Stock (50,000) $10.10 May 28, 2018 50,000 Acquired

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