Elizabeth D Krell
CIK 1367742 · View on SEC EDGAR ↗
Insider
First SEC filing: June 28, 2006 · Latest: June 28, 2006
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 42 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
42 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 8, 2018 | ATRC | S | 10,000 | $22.82 | $228,200 | 19,967 Direct | -33.37% | Disposed | 109.3% (price as of 2026-08-20) |
| March 13, 2018 | ATRC | S | 10,000 | $20.00 | $200,000 | 19,967 Direct | -33.37% | Disposed | 138.8% (price as of 2026-08-20) |
| Aug. 22, 2017 | ATRC | S | 10,000 | $22.40 | $224,000 | 19,967 Direct | -33.37% | Disposed | 113.2% (price as of 2026-08-20) |
| May 17, 2017 | ATRC | S | 10,000 | $21.44 | $214,400 | 14,162 Direct | -41.39% | Disposed | 122.7% (price as of 2026-08-20) |
| Nov. 15, 2016 | ATRC | S | 10,000 | $19.73 | $197,300 | 14,162 Direct | -41.39% | Disposed | 142.0% (price as of 2026-08-20) |
| Sept. 13, 2016 | ATRC | S | 6,000 | $15.93 | $95,580 | 14,162 Direct | -29.76% | Disposed | 199.8% (price as of 2026-08-20) |
| Aug. 17, 2016 | ATRC | S | 5,000 | $15.20 | $76,000 | 10,162 Direct | -32.98% | Disposed | 214.2% (price as of 2026-08-20) |
| March 8, 2016 | ATRC | S | 10,000 | $16.91 | $169,100 | 7,162 Direct | -58.27% | Disposed | 182.4% (price as of 2026-08-20) |
| Dec. 2, 2015 | ATRC | S | 10,000 | $21.88 | $218,800 | 7,162 Direct | -58.27% | Disposed | 118.3% (price as of 2026-08-20) |
| Nov. 11, 2015 | ATRC | S | 10,000 | $20.68 | $206,800 | 7,162 Direct | -58.27% | Disposed | 130.9% (price as of 2026-08-20) |
| May 14, 2015 | ATRC | S | 10,000 | $21.77 | $217,700 | 7,162 Direct | -58.27% | Disposed | 119.4% (price as of 2026-08-20) |
| March 2, 2015 | ATRC | S | 10,000 | $17.63 | $176,300 | 7,162 Direct | -58.27% | Disposed | 170.9% (price as of 2026-08-20) |
| June 10, 2008 | ATRC | P | 500 | $10.70 | $5,350 | 500 Direct | — | Acquired | 346.3% (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 7, 2018 | ATRC | Stock Option (right to buy) | Common Stock (10,000) | $9.30 | May 23, 2023 | 10,000 | Disposed |
| March 12, 2018 | ATRC | Stock Option (right to buy) | Common Stock (10,000) | $14.17 | May 18, 2021 | 10,000 | Disposed |
| Aug. 21, 2017 | ATRC | Stock Option (right to buy) | Common Stock (10,000) | $8.04 | May 15, 2022 | 10,000 | Disposed |
| May 16, 2017 | ATRC | Stock Option (right to buy) | Common Stock (10,000) | $10.10 | May 28, 2018 | 10,000 | Disposed |
| Nov. 14, 2016 | ATRC | Stock Option (right to buy) | Common Stock (10,000) | $9.50 | June 20, 2017 | 10,000 | Disposed |
| Sept. 12, 2016 | ATRC | Stock Option (right to buy) | Common Stock (10,000) | $5.15 | May 19, 2020 | 10,000 | Disposed |
| Aug. 16, 2016 | ATRC | Stock Option (right to buy) | Common Stock (8,000) | $2.58 | May 21, 2019 | 8,000 | Disposed |
| May 25, 2016 | ATRC | Stock Option (right to buy) | Common Stock (10,000) | $14.99 | May 25, 2026 | 10,000 | Acquired |
| March 7, 2016 | ATRC | Stock Option (right to buy) | Common Stock (10,000) | $7.99 | June 21, 2016 | 10,000 | Disposed |
| Dec. 1, 2015 | ATRC | Stock Option (right to buy) | Common Stock (10,000) | $7.99 | June 21, 2016 | 10,000 | Disposed |
| Nov. 10, 2015 | ATRC | Stock Option (right to buy) | Common Stock (10,000) | $7.99 | June 21, 2016 | 10,000 | Disposed |
| May 20, 2015 | ATRC | Stock Option (right to buy) | Common Stock (10,000) | $22.62 | May 20, 2025 | 10,000 | Acquired |
| May 11, 2015 | ATRC | Stock Option (right to buy) | Common Stock (10,000) | $7.99 | June 21, 2016 | 10,000 | Disposed |
| Feb. 26, 2015 | ATRC | Stock Option (right to buy) | Common Stock (10,000) | $7.99 | June 21, 2016 | 10,000 | Disposed |
| May 14, 2014 | ATRC | Stock Option (right to buy) | Common Stock (10,000) | $15.96 | May 14, 2024 | 10,000 | Acquired |
| 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 |
| March 7, 2012 | ATRC | Stock Option (right to buy) | Common Stock (1,000) | $2.58 | May 21, 2019 | 1,000 | Disposed |
| June 15, 2011 | ATRC | Stock Option (right to buy) | Common Stock (1,000) | $2.58 | May 21, 2019 | 1,000 | Disposed |
| May 18, 2011 | ATRC | Stock Option (right to buy) | Common Stock (10,000) | $14.17 | May 18, 2021 | 10,000 | Acquired |
| 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 |
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 |
|---|---|---|---|---|
| June 28, 2006 | ATRC | Stock Option (Right to Buy)→ Common Stock (50,000) | 50,000 | Direct |