SEC CIK 1426353
Collar Mark A
Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| ATRCview stock → | 100,871 | 2023-03-13 |
| FFBCview stock → | 14,059 | 2016-05-23 |
Position History — ATRC
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — ATRC
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2023-03-13 | Option exercise (derivative) | 10,000 | $9.30 | 0 |
| 2023-03-13 | Option exercise | 10,000 | $9.30 | 100,871 |
| 2022-05-25 | Grant / award | 3,564 | $0.00 | 90,871 |
| 2022-03-16 | Option exercise (derivative) | 10,000 | $8.04 | 0 |
| 2022-03-16 | Option exercise | 10,000 | $8.40 | 87,307 |
| 2021-11-04 | Open-market sale | 4,000 | $80.91 | 77,307 |
| 2021-07-01 | Open-market sale | 3,000 | $79.61 | 81,307 |
| 2021-05-20 | Grant / award | 1,749 | $0.00 | 84,307 |
| 2021-05-06 | Option exercise (derivative) | 10,000 | $0.00 | 0 |
| 2021-05-06 | Option exercise | 10,000 | $14.17 | 82,558 |
| 2021-04-01 | Open-market sale | 3,000 | $65.28 | 72,558 |
| 2021-01-04 | Open-market sale | 3,000 | $55.36 | 75,558 |
| 2020-10-06 | Open-market sale | 2,330 | $40.00 | 78,558 |
| 2020-10-01 | Open-market sale | 670 | $40.20 | 80,888 |
| 2020-07-01 | Open-market sale | 4,000 | $44.60 | 81,558 |
| 2020-05-20 | Grant / award | 2,452 | $0.00 | 85,558 |
| 2020-05-12 | Option exercise (derivative) | 10,000 | $0.00 | 0 |
| 2020-05-12 | Option exercise | 10,000 | $5.15 | 83,106 |
| 2020-04-07 | Open-market sale | 4,000 | $36.07 | 73,106 |
| 2020-01-15 | Open-market sale | 4,000 | $35.02 | 77,106 |
| 2019-05-22 | Grant / award | 4,208 | $0.00 | 81,106 |
| 2019-03-13 | Option exercise (derivative) | 10,000 | $0.00 | 0 |
| 2019-03-13 | Option exercise | 10,000 | $2.58 | 76,898 |
| 2018-06-14 | Open-market sale | 2,090 | $25.00 | 66,898 |
| 2018-05-22 | Grant / award | 5,221 | $0.00 | 68,988 |
| 2018-01-18 | Option exercise (derivative) | 25,000 | $0.00 | 0 |
| 2018-01-18 | Option exercise | 25,000 | $13.31 | 63,767 |
| 2017-09-14 | Option exercise (derivative) | 25,000 | $0.00 | 25,000 |
| 2017-09-14 | Option exercise | 25,000 | $13.31 | 38,767 |
| 2017-05-24 | Grant / award | 5,805 | $0.00 | 13,767 |
| 2016-05-25 | Grant / award (derivative) | 10,000 | — | 10,000 |
| 2015-05-20 | Grant / award (derivative) | 10,000 | — | 10,000 |
| 2014-05-14 | Grant / award (derivative) | 10,000 | — | 10,000 |
| 2013-05-23 | Grant / award (derivative) | 10,000 | — | 10,000 |
| 2012-05-15 | Grant / award (derivative) | 10,000 | — | 10,000 |
| 2011-05-18 | Grant / award (derivative) | 10,000 | — | 10,000 |
| 2010-05-19 | Grant / award (derivative) | 10,000 | — | 10,000 |
| 2009-10-28 | Grant / award | 1,237 | $0.00 | 7,962 |
| 2009-07-29 | Grant / award | 1,488 | $0.00 | 12,025 |
| 2009-05-21 | Grant / award (derivative) | 10,000 | — | 10,000 |
| 2009-05-21 | Grant / award | 1,937 | $0.00 | 10,537 |
| 2008-11-06 | Open-market buy | 1,700 | $3.00 | 5,300 |
| 2008-11-06 | Open-market buy | 2,000 | $3.00 | 7,300 |
| 2008-11-06 | Open-market buy | 1,300 | $3.00 | 8,600 |
| 2008-11-06 | Open-market buy | 1,600 | $3.00 | 3,600 |
| 2008-06-09 | Open-market buy | 800 | $10.43 | 2,000 |
| 2008-06-09 | Open-market buy | 1,000 | $10.40 | 1,000 |
| 2008-06-09 | Open-market buy | 200 | $10.42 | 1,200 |
| 2008-02-06 | Grant / award (derivative) | 50,000 | — | 50,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.