{"transactions":[{"id":3730560,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-12-14T17:16:11.000Z","date":"2018-12-12","kind":"other","acquired":false,"shares":9362,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Highland Entrepreneurs' Fund VII Limited Partnership"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"Effective December 12, 2018, Highland Entrepreneurs' Fund VII Limited Partnership (\"HEF VII\"), a venture capital partnership, distributed in-kind, without consideration, a total of 9,362 shares of Common Stock of the Issuer to its limited partners, including HMP VII LP, the general partner of HEF VII, and to the limited partners of HMP VII LP.  The general partner of HMP VII LP is HMP VII LLC.  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Effective December 12, 2018, Highland Entrepreneurs' Fund VII Limited Partnership (\"HEF VII\"), a venture capital partnership, distributed in-kind, without consideration, a total of 9,362 shares of Common Stock of the Issuer to its limited partners, including HMP VII LP, the general partner of HEF VII, and to the limited partners of HMP VII LP.  The general partner of HMP VII LP is HMP VII LLC.  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":16331,"source":{"system":"sec-edgar","filing":"0001104659-18-073136","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918073136/a4.xml","form_type":"4"}},{"id":3730559,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-12-14T17:16:11.000Z","date":"2018-12-12","kind":"other","acquired":false,"shares":105428,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Highland Capital Partners VII-C Limited Partnership"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"Effective December 12, 2018, Highland Capital Partners VII-C Limited Partnership (\"HCP VII-C\"), a venture capital partnership, distributed in-kind, without consideration, a total of 105,428 shares of Common Stock of the Issuer to its limited partners, including HMP VII LP, the general partner of HCP VII-C, and to the limited partners of HMP VII LP.  The general partner of HMP VII LP is HMP VII LLC.  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Effective December 12, 2018, Highland Capital Partners VII-C Limited Partnership (\"HCP VII-C\"), a venture capital partnership, distributed in-kind, without consideration, a total of 105,428 shares of Common Stock of the Issuer to its limited partners, including HMP VII LP, the general partner of HCP VII-C, and to the limited partners of HMP VII LP.  The general partner of HMP VII LP is HMP VII LLC.  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":183940,"source":{"system":"sec-edgar","filing":"0001104659-18-073136","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918073136/a4.xml","form_type":"4"}},{"id":3730558,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-12-14T17:16:11.000Z","date":"2018-12-12","kind":"other","acquired":false,"shares":72394,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Highland Capital Partners VII-B Limited Partnership"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"Effective December 12, 2018, Highland Capital Partners VII-B Limited Partnership (\"HCP VII-B\"), a venture capital partnership, distributed in-kind, without consideration, a total of 72,394 shares of Common Stock of the Issuer to its limited partners, including HMP VII LP, the general partner of HCP VII-B, and to the limited partners of HMP VII LP.  The general partner of HMP VII LP is HMP VII LLC.  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Effective December 12, 2018, Highland Capital Partners VII-B Limited Partnership (\"HCP VII-B\"), a venture capital partnership, distributed in-kind, without consideration, a total of 72,394 shares of Common Stock of the Issuer to its limited partners, including HMP VII LP, the general partner of HCP VII-B, and to the limited partners of HMP VII LP.  The general partner of HMP VII LP is HMP VII LLC.  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":126304,"source":{"system":"sec-edgar","filing":"0001104659-18-073136","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918073136/a4.xml","form_type":"4"}},{"id":3730557,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-12-14T17:16:11.000Z","date":"2018-12-12","kind":"other","acquired":false,"shares":298754,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Highland Capital Partners VII Limited Partnership"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Effective December 12, 2018, Highland Capital Partners VII Limited Partnership (\"HCP VII\"), a venture capital partnership, distributed in-kind, without consideration, a total of 298,754 shares of Common Stock of the Issuer to its limited partners, including Highland Management Partners VII Limited Partnership (\"HMP VII LP\"), the general partner of HCP VII, and to the limited partners of HMP VII LP.  The general partner of HMP VII LP is Highland Management Partners VII, LLC (\"HMP VII LLC\").  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Effective December 12, 2018, Highland Capital Partners VII Limited Partnership (\"HCP VII\"), a venture capital partnership, distributed in-kind, without consideration, a total of 298,754 shares of Common Stock of the Issuer to its limited partners, including Highland Management Partners VII Limited Partnership (\"HMP VII LP\"), the general partner of HCP VII, and to the limited partners of HMP VII LP.  The general partner of HMP VII LP is Highland Management Partners VII, LLC (\"HMP VII LLC\").  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":521234,"source":{"system":"sec-edgar","filing":"0001104659-18-073136","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918073136/a4.xml","form_type":"4"}},{"id":3730556,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-12-14T17:16:11.000Z","date":"2018-12-12","kind":"other","acquired":false,"shares":57792,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Highland Entrepreneurs' Fund VI Limited Partnership"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Effective December 12, 2018, Highland Entrepreneurs' Fund VI Limited Partnership (\"HEF VI\"), a venture capital partnership, distributed in-kind, without consideration, a total of 57,792 shares of Common Stock of the Issuer to its limited partners, including HEF VI Limited Partnership (\"HEF\"), the general partner of HEF VI, and to the limited partners of HEF. The general partner of HEF is Highland Management.  Each of HEF and Highland Management disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Effective December 12, 2018, Highland Entrepreneurs' Fund VI Limited Partnership (\"HEF VI\"), a venture capital partnership, distributed in-kind, without consideration, a total of 57,792 shares of Common Stock of the Issuer to its limited partners, including HEF VI Limited Partnership (\"HEF\"), the general partner of HEF VI, and to the limited partners of HEF. The general partner of HEF is Highland Management.  Each of HEF and Highland Management disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":100829,"source":{"system":"sec-edgar","filing":"0001104659-18-073136","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918073136/a4.xml","form_type":"4"}},{"id":3730555,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-12-14T17:16:11.000Z","date":"2018-12-12","kind":"other","acquired":false,"shares":639653,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Highland Capital Partners VI-B Limited Partnership"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Effective December 12, 2018, Highland Capital Partners VI-B Limited Partnership (\"HCP VI-B\"), a venture capital partnership, distributed in-kind, without consideration, a total of 639,653 shares of Common Stock of the Issuer to its limited partners, including HMP VI LP, the general partner of HCP VI-B, and to the limited partners of HMP VI LP.  The general partner of HMP VI LP is Highland Management.  Each of HMP VI LP and Highland Management disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Effective December 12, 2018, Highland Capital Partners VI-B Limited Partnership (\"HCP VI-B\"), a venture capital partnership, distributed in-kind, without consideration, a total of 639,653 shares of Common Stock of the Issuer to its limited partners, including HMP VI LP, the general partner of HCP VI-B, and to the limited partners of HMP VI LP.  The general partner of HMP VI LP is Highland Management.  Each of HMP VI LP and Highland Management disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":1116002,"source":{"system":"sec-edgar","filing":"0001104659-18-073136","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918073136/a4.xml","form_type":"4"}},{"id":3730554,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-12-14T17:16:11.000Z","date":"2018-12-12","kind":"other","acquired":false,"shares":1166810,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Highland Capital Partners VI Limited Partnership"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Effective December 12, 2018, Highland Capital Partners VI Limited Partnership (\"HCP VI\"), a venture capital partnership, distributed in-kind, without consideration, a total of 1,166,810 shares of Common Stock of the Issuer to its limited partners, including Highland Management Partners VI Limited Partnership (\"HMP VI LP\"), the general partner of HCP VI, and to the limited partners of HMP VI LP.  The general partner of HMP VI LP is Highland Management Partners VI, Inc. (\"Highland Management\").  Each of HMP VI LP and Highland Management disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Effective December 12, 2018, Highland Capital Partners VI Limited Partnership (\"HCP VI\"), a venture capital partnership, distributed in-kind, without consideration, a total of 1,166,810 shares of Common Stock of the Issuer to its limited partners, including Highland Management Partners VI Limited Partnership (\"HMP VI LP\"), the general partner of HCP VI, and to the limited partners of HMP VI LP.  The general partner of HMP VI LP is Highland Management Partners VI, Inc. (\"Highland Management\").  Each of HMP VI LP and Highland Management disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":2035739,"source":{"system":"sec-edgar","filing":"0001104659-18-073136","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918073136/a4.xml","form_type":"4"}},{"id":3741185,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-12-06T16:37:25.000Z","date":"2018-12-03","kind":"other","acquired":false,"shares":8565,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Highland Entrepreneurs' Fund VII Limited Partnership  (7)"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"Effective December 3, 2018, Highland Entrepreneurs' Fund VII Limited Partnership (\"HEF VII\"), a venture capital partnership, distributed in-kind, without consideration, a total of 8,565 shares of Common Stock of the Issuer to its limited partners, including HMP VII LP, the general partner of HEF VII, and to the limited partners of HMP VII LP.  The general partner of HMP VII LP is HMP VII LLC.  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":25693,"source":{"system":"sec-edgar","filing":"0001104659-18-071704","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918071704/a4.xml","form_type":"4"}},{"id":3741184,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-12-06T16:37:25.000Z","date":"2018-12-03","kind":"other","acquired":false,"shares":96456,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Highland Capital Partners VII-C Limited Partnership (6)"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"Effective December 3, 2018, Highland Capital Partners VII-C Limited Partnership (\"HCP VII-C\"), a venture capital partnership, distributed in-kind, without consideration, a total of 96,456 shares of Common Stock of the Issuer to its limited partners, including HMP VII LP, the general partner of HCP VII-C, and to the limited partners of HMP VII LP.  The general partner of HMP VII LP is HMP VII LLC.  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":289368,"source":{"system":"sec-edgar","filing":"0001104659-18-071704","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918071704/a4.xml","form_type":"4"}},{"id":3741183,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-12-06T16:37:25.000Z","date":"2018-12-03","kind":"other","acquired":false,"shares":66233,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Highland Capital Partners VII-B Limited Partnership (5)"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"Effective December 3, 2018, Highland Capital Partners VII-B Limited Partnership (\"HCP VII-B\"), a venture capital partnership, distributed in-kind, without consideration, a total of 66,233 shares of Common Stock of the Issuer to its limited partners, including HMP VII LP, the general partner of HCP VII-B, and to the limited partners of HMP VII LP.  The general partner of HMP VII LP is HMP VII LLC.  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":198698,"source":{"system":"sec-edgar","filing":"0001104659-18-071704","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918071704/a4.xml","form_type":"4"}},{"id":3741182,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-12-06T16:37:25.000Z","date":"2018-12-03","kind":"other","acquired":false,"shares":273330,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Highland Capital Partners VII Limited Partnership (4)"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Effective December 3, 2018, Highland Capital Partners VII Limited Partnership (\"HCP VII\"), a venture capital partnership, distributed in-kind, without consideration, a total of 273,330 shares of Common Stock of the Issuer to its limited partners, including Highland Management Partners VII Limited Partnership (\"HMP VII LP\"), the general partner of HCP VII, and to the limited partners of HMP VII LP.  The general partner of HMP VII LP is Highland Management Partners VII, LLC (\"HMP VII LLC\").  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":819988,"source":{"system":"sec-edgar","filing":"0001104659-18-071704","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918071704/a4.xml","form_type":"4"}},{"id":3741181,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-12-06T16:37:25.000Z","date":"2018-12-03","kind":"other","acquired":false,"shares":52874,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Highland Entrepreneurs' Fund VI Limited Partnership (3)"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Effective December 3, 2018, Highland Entrepreneurs' Fund VI Limited Partnership (\"HEF VI\"), a venture capital partnership, distributed in-kind, without consideration, a total of 52,874 shares of Common Stock of the Issuer to its limited partners, including HEF VI Limited Partnership (\"HEF\"), the general partner of HEF VI, and to the limited partners of HEF. The general partner of HEF is Highland Management.  Each of HEF and Highland Management disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":158621,"source":{"system":"sec-edgar","filing":"0001104659-18-071704","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918071704/a4.xml","form_type":"4"}},{"id":3741180,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-12-06T16:37:25.000Z","date":"2018-12-03","kind":"other","acquired":false,"shares":585219,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Highland Capital Partners VI-B Limited Partnership (2)"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Effective December 3, 2018, Highland Capital Partners VI-B Limited Partnership (\"HCP VI-B\"), a venture capital partnership, distributed in-kind, without consideration, a total of 585,219 shares of Common Stock of the Issuer to its limited partners, including HMP VI LP, the general partner of HCP VI-B, and to the limited partners of HMP VI LP.  The general partner of HMP VI LP is Highland Management.  Each of HMP VI LP and Highland Management disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":1755655,"source":{"system":"sec-edgar","filing":"0001104659-18-071704","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918071704/a4.xml","form_type":"4"}},{"id":3741179,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-12-06T16:37:25.000Z","date":"2018-12-03","kind":"other","acquired":false,"shares":1067516,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Highland Capital Partners VI Limited Partnership (1)"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Effective December 3, 2018, Highland Capital Partners VI Limited Partnership (\"HCP VI\"), a venture capital partnership, distributed in-kind, without consideration, a total of 1,067,516 shares of Common Stock of the Issuer to its limited partners, including Highland Management Partners VI Limited Partnership (\"HMP VI LP\"), the general partner of HCP VI, and to the limited partners of HMP VI LP.  The general partner of HMP VI LP is Highland Management Partners VI, Inc. (\"Highland Management\").  Each of HMP VI LP and Highland Management disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":3202549,"source":{"system":"sec-edgar","filing":"0001104659-18-071704","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918071704/a4.xml","form_type":"4"}},{"id":3938789,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series F Convertible Preferred Stock","published_at":"2018-05-10T21:25:11.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":32486,"ownership":{"direct":false,"nature":"By Highland Entrepreneurs' Fund VII Limited Partnership"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"The shares are held directly by Highland Entrepreneurs' Fund VII Limited Partnership (\"Highland VII Entrepreneurs' Fund\").  The general partner of Highland VII Entrepreneurs' Fund is HMP VII LP.  The general partner of HMP VII LP is HMP VII LLC.  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of his their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":16243},"source":{"system":"sec-edgar","filing":"0001104659-18-032299","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":24,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918032299/a4.xml","form_type":"4"}},{"id":3938788,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series F Convertible Preferred Stock","published_at":"2018-05-10T21:25:11.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":365866,"ownership":{"direct":false,"nature":"By Highland Capital Partners VII-C Limited Partnership"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"The shares are held directly by Highland Capital Partners VII-C Limited Partnership (\"Highland Capital VII-C\").  The general partner of Highland Capital VII-C is HMP VII LP.  The general partner of HMP VII LP is HMP VII LLC.  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":182933},"source":{"system":"sec-edgar","filing":"0001104659-18-032299","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":23,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918032299/a4.xml","form_type":"4"}},{"id":3938787,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series F Convertible Preferred Stock","published_at":"2018-05-10T21:25:11.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":251227,"ownership":{"direct":false,"nature":"By Highland Capital Partners VII-B Limited Partnership"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"The shares are held directly by Highland Capital Partners VII-B Limited Partnership (\"Highland Capital VII-B\").  The general partner of Highland Capital VII-B is HMP VII LP.  The general partner of HMP VII LP is HMP VII LLC.  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":125613},"source":{"system":"sec-edgar","filing":"0001104659-18-032299","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":22,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918032299/a4.xml","form_type":"4"}},{"id":3938786,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series F Convertible Preferred Stock","published_at":"2018-05-10T21:25:11.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":1036762,"ownership":{"direct":false,"nature":"By Highland Capital Partners VII Limited Partnership"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The shares are held directly by Highland Capital Partners VII Limited Partnership (\"Highland Capital VII\").  The general partner of Highland Capital VII is Highland Management Partners VII Limited Partnership (\"HMP VII LP\").  The general partner of HMP VII LP is Highland Management Partners VII, LLC (\"HMP VII LLC\").  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":518381},"source":{"system":"sec-edgar","filing":"0001104659-18-032299","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":21,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918032299/a4.xml","form_type":"4"}},{"id":3938785,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series E Convertible Preferred Stock","published_at":"2018-05-10T21:25:11.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":36031,"ownership":{"direct":false,"nature":"By Highland Entrepreneurs' Fund VII Limited Partnership"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"The shares are held directly by Highland Entrepreneurs' Fund VII Limited Partnership (\"Highland VII Entrepreneurs' Fund\").  The general partner of Highland VII Entrepreneurs' Fund is HMP VII LP.  The general partner of HMP VII LP is HMP VII LLC.  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of his their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":18015},"source":{"system":"sec-edgar","filing":"0001104659-18-032299","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":20,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918032299/a4.xml","form_type":"4"}},{"id":3938784,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series E Convertible Preferred Stock","published_at":"2018-05-10T21:25:11.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":405783,"ownership":{"direct":false,"nature":"By Highland Capital Partners VII-C Limited Partnership"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. 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This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":202891},"source":{"system":"sec-edgar","filing":"0001104659-18-032299","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":19,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918032299/a4.xml","form_type":"4"}},{"id":3938783,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series E Convertible Preferred Stock","published_at":"2018-05-10T21:25:11.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":278637,"ownership":{"direct":false,"nature":"By Highland Capital Partners VII-B Limited Partnership"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"The shares are held directly by Highland Capital Partners VII-B Limited Partnership (\"Highland Capital VII-B\").  The general partner of Highland Capital VII-B is HMP VII LP.  The general partner of HMP VII LP is HMP VII LLC.  Each of HMP VII LP and HMP VII LLC disclaims Section 16 beneficial ownership of all shares except to the extent of their pecuniary interest, if any, therein. This report shall not be deemed to be an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":139318},"source":{"system":"sec-edgar","filing":"0001104659-18-032299","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/1407941/000110465918032299/a4.xml","form_type":"4"}},{"id":3938782,"issuer":{"id":154518,"kind":"organization","name":"Carbon Black, Inc.","symbol":"CBLK"},"owners":[{"id":132850,"kind":"organization","name":"Highland Entrepreneurs Fund VII Limited Partnership","position":1,"cik":"0001357840","reported_name":"Highland Entrepreneurs Fund VII Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":161744,"kind":"organization","name":"HEF VI, Limited Partnership","position":2,"cik":"0001407941","reported_name":"HEF VI, Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series E Convertible Preferred Stock","published_at":"2018-05-10T21:25:11.000Z","date":"2018-05-08","kind":"exercise","acquired":false,"shares":1149874,"ownership":{"direct":false,"nature":"By Highland Capital Partners VII Limited Partnership"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of preferred stock automatically converted into Common Stock on a 1-for-2 basis upon the closing of the Issuer's initial public offering. 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