| Date Filed | Type | Description |
| 12/16/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 12/23/2020 |
4
| BRISTOW MICHAEL R (Pres. & Chief Executive Offic) has filed a Form 4 on ARCA biopharma, Inc.|
Txns:
| Granted 190,000 options to buy
@ $4.27, valued at
$811.3k
|
|
| 04/05/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 03/01/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 02/21/2017 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 09/21/2016 |
4
| BRISTOW MICHAEL R (Pres. & Chief Executive Offic) has filed a Form 4 on ARCA biopharma, Inc.|
Txns:
| Sold 1,972 shares
@ $2.89, valued at
$5.7k
|
|
| 06/13/2016 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 04/06/2016 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 02/04/2014 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 06/14/2013 |
SC 13G/A
| BRISTOW MICHAEL R reports a 7.4% stake in ARCA BIOPHARMA, INC. |
| 06/06/2013 |
4
| BRISTOW MICHAEL R (President and CEO) has filed a Form 4 on ARCA biopharma, Inc.|
Txns:
| Granted 781 convertible preferred
@ $160, valued at
$125k
Granted 39,050 warrants
@ $1.6, valued at
$62.5k
|
|
| 02/04/2013 |
SC 13G/A
| BRISTOW MICHAEL R reports a 18.5% stake in TO to UNITED STATES W ASHINGTON , D.C. 20549 U NDER THE S ECURITIES E XCHANGE A CT OF 1934 ARCA BIOPHARMA, INC. |
| 12/28/2012 |
SC 13G
| BRISTOW MICHAEL R reports a 10.8% stake in ARCA biopharma, Inc. Address of |
| 10/24/2012 |
4
| BRISTOW MICHAEL R (President and CEO) has filed a Form 4 on ARCA biopharma, Inc.|
Txns:
| Granted 317,379 shares
@ $0.3939, valued at
$125k
Granted 238,034 warrants
@ $0.3001, valued at
$71.4k
|
|
| 05/24/2011 |
4
| BRISTOW MICHAEL R (President and CEO) has filed a Form 4 on ARCA biopharma, Inc.|
Txns:
| Granted 30,000 options to buy
@ $2.24, valued at
$67.2k
|
|
| 02/22/2010 |
4
| BRISTOW MICHAEL R (President and CEO) has filed a Form 4 on ARCA biopharma, Inc.|
Txns:
| Granted 16,000 options to buy
@ $2.97, valued at
$47.5k
|
|
| 10/15/2009 |
4
| Form 4 - Statement of changes in beneficial ownership of securities |
| 02/05/2009 |
3
| BRISTOW MICHAEL R (Chief Science and Med. Officer) has filed a Form 3 on ARCA biopharma, Inc. |