Donald C Harrison

CIK 1106510 · View on SEC EDGAR ↗

Insider

First SEC filing: Jan. 25, 2006 · Latest: Jan. 25, 2006

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 45 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

45 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Feb. 23, 2011 ATRC S 11,315 $10.34 $116,997 198,741 Direct -5.39% Disposed 361.9% (price as of 2026-08-20)
Aug. 10, 2005 ATRC S 2,972 $11.16 $33,168 25,534 Indirect -10.43% Disposed 327.9% (price as of 2026-08-20)
Aug. 10, 2005 ATRC S 937 $11.16 $10,457 8,052 Indirect -10.42% Disposed 327.9% (price as of 2026-08-20)
Aug. 10, 2005 ATRC S 82,028 $11.16 $915,432 667,472 Indirect -10.94% Disposed 327.9% (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
May 23, 2013 ATRC Stock Option (right to buy) Common Stock (10,000) $9.30 May 23, 2023 10,000 Acquired
May 15, 2012 ATRC Stock Option (right to buy) Common Stock (10,000) $8.04 May 15, 2022 10,000 Acquired
May 18, 2011 ATRC Stock Option (right to buy) Common Stock (10,000) $14.17 May 18, 2021 10,000 Acquired
Feb. 23, 2011 ATRC Stock Option (right to buy) Common Stock (7,368) $0.57 March 29, 2011 7,368 Disposed
Feb. 23, 2011 ATRC Stock Option (right to buy) Common Stock (3,947) $0.57 March 29, 2011 3,947 Disposed
May 19, 2010 ATRC Stock Option (right to buy) Common Stock (10,000) $5.15 May 19, 2020 10,000 Acquired
May 21, 2009 ATRC Stock Option (Right to Buy) Common Stock (10,000) $2.58 May 21, 2019 10,000 Acquired
May 28, 2008 ATRC Stock Option (Right to Buy) Common Stock (10,000) $10.10 May 28, 2018 10,000 Acquired
June 20, 2007 ATRC Stock Option (Right to Buy) Common Stock (10,000) $9.50 June 20, 2017 10,000 Acquired
Aug. 10, 2006 ATRC Common Stock Warrants (Right to Buy) Common Stock $5.43 Aug. 10, 2006 8,810 Disposed
June 21, 2006 ATRC Stock Option (Right to Buy) Common Stock (10,000) $7.99 June 21, 2016 10,000 Disposed
April 6, 2006 ATRC Stock Option (Right to Buy) Common Stock (30,000) $9.37 April 6, 2016 30,000 Acquired
Aug. 10, 2005 ATRC Common Stock Warrants (Right to Buy) Common Stock (1,865) $5.43 — 1,865 Acquired
Aug. 10, 2005 ATRC Common Stock Warrants (Right to Buy) Common Stock (661) $5.43 — 661 Acquired
Aug. 10, 2005 ATRC Common Stock Warrants (Right to Buy) Common Stock (34,833) $5.43 — 34,833 Acquired
Aug. 10, 2005 ATRC Common Stock Warrants (Right to Buy) Common Stock (8,810) $5.43 — 8,810 Acquired
Aug. 10, 2005 ATRC Preferred Stock Warrants (Right to Buy) Series B Convertible Preferred Stock (1,865) $5.43 — 1,865 Disposed
Aug. 10, 2005 ATRC Preferred Stock Warrants (Right to Buy) Series B Convertible Preferred Stock (661) $5.43 — 661 Disposed
Aug. 10, 2005 ATRC Preferred Stock Warrants (Right to Buy) Series B Convertible Preferred Stock (34,833) $5.43 — 34,833 Disposed
Aug. 10, 2005 ATRC Preferred Stock Warrants (Right to Buy) Series B Convertible Preferred Stock (8,810) $5.43 — 8,810 Disposed
Aug. 10, 2005 ATRC Series B Convertible Preferred Stock Common Stock (13,376) — — 13,376 Disposed
Aug. 10, 2005 ATRC Series B Convertible Preferred Stock Common Stock (4,218) — — 4,218 Disposed
Aug. 10, 2005 ATRC Series B Convertible Preferred Stock Common Stock (351,691) — — 351,691 Disposed
Aug. 10, 2005 ATRC Series A Convertible Preferred Stock Common Stock (15,130) — — 15,130 Disposed
Aug. 10, 2005 ATRC Series A Convertible Preferred Stock Common Stock (4,771) — — 4,771 Disposed
Aug. 10, 2005 ATRC Series A Convertible Preferred Stock Common Stock (397,809) — — 397,809 Disposed
Aug. 10, 2005 ATRC Series B Convertible Preferred Stock Common Stock (29,367) — — 29,367 Disposed
Aug. 10, 2005 ATRC Series A Convertible Preferred Stock Common Stock (98,135) — — 98,135 Disposed

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

Initial ownership (Form 3) 15 holdings

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

Date Ticker Security Shares Ownership
Jan. 25, 2006 ATRC Stock Option (Right to Buy)→ Common Stock — Direct
Aug. 18, 2005 ATRC Common Stock 65,789 Direct
Aug. 18, 2005 ATRC Series A Convertible Preferred Stock→ Common Stock (98,135) 98,135 Direct
Aug. 18, 2005 ATRC Series B Convertible Preferred Stock→ Common Stock (29,367) 29,367 Direct
Aug. 18, 2005 ATRC Series A Convertible Preferred Stock→ Common Stock (397,809) 397,809 Indirect
Aug. 18, 2005 ATRC Series A Convertible Preferred Stock→ Common Stock (4,771) 4,771 Indirect
Aug. 18, 2005 ATRC Series A Convertible Preferred Stock→ Common Stock (15,130) 15,130 Indirect
Aug. 18, 2005 ATRC Series B Convertible Preferred Stock→ Common Stock (351,691) 351,691 Indirect
Aug. 18, 2005 ATRC Series B Convertible Preferred Stock→ Common Stock (4,218) 4,218 Indirect
Aug. 18, 2005 ATRC Series B Convertible Preferred Stock→ Common Stock (13,376) 13,376 Indirect
Aug. 18, 2005 ATRC Preferred Stock Warrants (Right to Buy)→ Series B Convertible Preferred Stock [F1] (8,810) 8,810 Direct
Aug. 18, 2005 ATRC Preferred Stock Warrants (Right to Buy)→ Series B Convertible Preferred Stock [F1] (34,833) 34,833 Indirect
Aug. 18, 2005 ATRC Preferred Stock Warrants (Right to Buy)→ Series B Convertible Preferred Stock [F1] (661) 661 Indirect
Aug. 18, 2005 ATRC Preferred Stock Warrants (Right to Buy)→ Series B Convertible Preferred Stock [F1] (1,865) 1,865 Indirect
Aug. 18, 2005 ATRC Stock Option (Right to Buy)→ Common Stock (11,315) 11,315 Direct