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The restricted stock units are scheduled to vest on the earlier of May 31, 2020 or the end of the month of the 2020 annual stockholders meeting, as long as the reporting person remains in the service of Everbridge through the respective vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Not applicable"}],"balance_after":2500,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":2500},"source":{"system":"sec-edgar","filing":"0001209191-19-043496","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000120919119043496/doc4.xml","form_type":"4"}},{"id":3457916,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-07-22T16:18:00.000Z","date":"2019-06-05","kind":"sale","acquired":false,"shares":22500,"price":79.9486,"value":1798843.5,"ownership":{"direct":true},"balance_after":80000,"source":{"system":"sec-edgar","filing":"0001209191-19-042869","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000120919119042869/doc4.xml","form_type":"4"}},{"id":3483865,"issuer":{"id":5785,"kind":"organization","name":"Ribbon Communications Inc."},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units (RSUs)","published_at":"2019-06-19T22:10:04.000Z","date":"2019-06-17","kind":"grant","acquired":true,"shares":25975,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ribbon Communications Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units will vest on June 17, 2020, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2020 Annual Meeting of Stockholders (the \"2020 Annual Meeting\") occurs prior to June 17, 2020, and, at such 2020 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these restricted stock units will vest as of the date of the 2020 Annual Meeting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units will vest on June 17, 2020, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2020 Annual Meeting of Stockholders (the \"2020 Annual Meeting\") occurs prior to June 17, 2020, and, at such 2020 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these restricted stock units will vest as of the date of the 2020 Annual Meeting."}],"balance_after":25975,"derivative":{"underlying":"Common Stock","underlying_shares":25975},"source":{"system":"sec-edgar","filing":"0001204899-19-000002","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1204899/000120489919000002/edgar.xml","form_type":"4"}},{"id":3502187,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2019-06-04T17:37:35.000Z","date":"2019-05-31","kind":"exercise","acquired":false,"shares":2500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On June 1, 2018, the reporting person was granted restricted stock units (RSUs). The RSUs vested on May 31, 2019."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Not applicable"}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":2500},"source":{"system":"sec-edgar","filing":"0001209191-19-034462","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000120919119034462/doc4.xml","form_type":"4"}},{"id":3502186,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-06-04T17:37:35.000Z","date":"2019-05-31","kind":"exercise","acquired":true,"shares":2500,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted stock units convert into common stock on a one-for-one basis."}],"balance_after":102500,"source":{"system":"sec-edgar","filing":"0001209191-19-034462","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000120919119034462/doc4.xml","form_type":"4"}},{"id":3631947,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-02-26T17:00:38.000Z","date":"2019-02-26","kind":"sale","acquired":false,"shares":20000,"price":69.6136,"value":1392272.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the weighted average price for 20,000 shares sold within the range of $69.30 to $70.24. Information regarding the number of shares sold at each separate price will be made available from the reporting person upon request by the SEC, the issuer or its shareowners."}],"balance_after":100000,"source":{"system":"sec-edgar","filing":"0001209191-19-013602","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000120919119013602/doc4.xml","form_type":"4"}},{"id":3888329,"issuer":{"id":5785,"kind":"organization","name":"Ribbon Communications Inc."},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-06-19T20:27:29.000Z","date":"2018-06-15","kind":"grant","acquired":true,"shares":18182,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These are restricted shares of Common Stock that vest on June 15, 2019, subject to the Reporting Person's continued service to the Issuer through such date; provided, however, that if the Issuer's 2019 Annual Meeting of Stockholders (the \"2019 Annual Meeting\") occurs prior to June 15, 2019, and, at such 2019 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these restricted shares of Common Stock will vest on the date of the 2019 Annual Meeting."}],"balance_after":154076,"source":{"system":"sec-edgar","filing":"0001204899-18-000006","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1204899/000120489918000006/edgar.xml","form_type":"4"}},{"id":3905149,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2018-06-05T16:13:30.000Z","date":"2018-06-01","kind":"grant","acquired":true,"shares":2500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents a grant of restricted stock units under the Everbridge, Inc. 2016 Equity Incentive Plan. Each restricted stock unit represents the contingent right to receive, upon vesting of the unit, one share of Everbridge common stock. The restricted stock units are scheduled to vest on the earlier of May 17, 2019 or the date of the 2019 annual stockholders meeting, as long as the reporting person remains in the service of Everbridge through the respective vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Not applicable"}],"balance_after":2500,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":2500},"source":{"system":"sec-edgar","filing":"0001209191-18-035620","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000120919118035620/doc4.xml","form_type":"4"}},{"id":3989170,"issuer":{"id":5785,"kind":"organization","name":"Ribbon Communications Inc."},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-03-19T20:06:27.000Z","date":"2018-03-15","kind":"purchase","acquired":true,"shares":100000,"price":5.17,"value":517000.0,"ownership":{"direct":true},"balance_after":135894,"source":{"system":"sec-edgar","filing":"0001204899-18-000004","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1204899/000120489918000004/edgar.xml","form_type":"4"}},{"id":4008107,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-03-07T18:35:19.000Z","date":"2018-03-05","kind":"sale","acquired":false,"shares":6645,"price":33.435,"value":222175.575,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"security","element":"securityTitle","label":"F3","text":"Refers to shares held by Calvert Capital Management Company (\"CCMC\"), a company which is partially controlled by the reporting person."},{"field":"kind","element":"transactionCoding","label":"F4","text":"Represents the weighted average price for 6,645 shares sold within the range of $33.30 to $33.64. Information regarding the number of shares sold at each separate price will be made available from the reporting person upon request by the SEC, the issuer or its shareowners."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Refers to shares held by Calvert Capital Management Company (\"CCMC\"), a company which is partially controlled by the reporting person."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001144204-18-013415","document":"tv487927_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000114420418013415/tv487927_4.xml","form_type":"4"}},{"id":4008106,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-03-07T18:35:19.000Z","date":"2018-03-05","kind":"sale","acquired":false,"shares":3229,"price":33.435,"value":107961.615,"ownership":{"direct":false,"nature":"By trust for daughter"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the weighted average price for 3,229 shares sold within the range of $33.30 to $33.64. Information regarding the number of shares sold at each separate price will be made available from the reporting person upon request by the SEC, the issuer or its shareowners."}],"balance_after":30000,"source":{"system":"sec-edgar","filing":"0001144204-18-013415","document":"tv487927_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000114420418013415/tv487927_4.xml","form_type":"4"}},{"id":4008105,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-03-07T18:35:19.000Z","date":"2018-03-05","kind":"sale","acquired":false,"shares":18958,"price":33.435,"value":633860.73,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the weighted average price for 18,958 shares sold within the range of $33.30 to $33.64. Information regarding the number of shares sold at each separate price will be made available from the reporting person upon request by the SEC, the issuer or its shareowners."}],"balance_after":120000,"source":{"system":"sec-edgar","filing":"0001144204-18-013415","document":"tv487927_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000114420418013415/tv487927_4.xml","form_type":"4"}},{"id":4014811,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-03-05T17:13:12.000Z","date":"2018-02-26","kind":"other","acquired":false,"shares":118250,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"security","element":"securityTitle","label":"F3","text":"Refers to shares held by CCV (see footnote 2)."},{"field":"kind","element":"transactionCoding","label":"F4","text":"CCV, a limited liability company organized in a manner similar to a limited partnership, made a pro rata distribution for no consideration to its members on February 26, 2018.  118,250 shares were distributed to certain non-managing members and 100,916 shares were distributed as follows: (i) CCV managing member R. William Burgess, Jr. (\"Burgess\") received 48,922 shares and his IRA received 1,775 shares (a change of form of beneficial ownership without a change of pecuniary interest exempt from reporting under Rule 16a-13), (ii) Calvert Capital Management Company (\"CCMC\"), a company which is controlled by Burgess and the reporting person, received 2,078 shares (a change of form of beneficial ownership without a change of pecuniary interest exempt from reporting under Rule 16a-13)."},{"field":"kind","element":"transactionCoding","label":"F5","text":"(continued from footnote 4) (iii) the reporting person received 37,750 shares and a trust for his daughter (of which he is the sole trustee) received 10,391 shares (a change of form of beneficial ownership without a change of pecuniary interest exempt from reporting under Rule 16a-13).  The total number of shares distributed was 219,166 shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Refers to shares held by CCV (see footnote 2)."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001144204-18-012861","document":"tv487796_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000114420418012861/tv487796_4.xml","form_type":"4"}},{"id":4014810,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-03-05T17:13:12.000Z","date":"2018-02-26","kind":"other","acquired":false,"shares":780834,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Refers to shares held in the name of ABS Ventures IX, L.P. (\"ABS\"). The reporting person is a managing member of Calvert Capital V LLC (\"CCV\"), the general partner of ABS, and has shared voting and dispositive power with respect to the shares held by ABS."},{"field":"kind","element":"transactionCoding","label":"F2","text":"ABS made a pro-rata distribution for no consideration of Common Stock of Everbridge, Inc. (the \"Issuer\") to its general partner and limited partners on February 26, 2018.  The limited partners received 780,834 shares in the distribution.  CCV, general partner of ABS, received 219,166 shares in the distribution (a change of form of beneficial ownership without a change of pecuniary interest exempt from reporting under Rule 16a-13).  The total number of shares distributed was 1,000,000 shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Refers to shares held in the name of ABS Ventures IX, L.P. (\"ABS\"). The reporting person is a managing member of Calvert Capital V LLC (\"CCV\"), the general partner of ABS, and has shared voting and dispositive power with respect to the shares held by ABS."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001144204-18-012861","document":"tv487796_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000114420418012861/tv487796_4.xml","form_type":"4"}},{"id":4095943,"issuer":{"id":5785,"kind":"organization","name":"Ribbon Communications Inc."},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-01-18T21:21:33.000Z","date":"2018-01-16","kind":"grant","acquired":true,"shares":25211,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These are restricted shares of Common Stock that vest on January 16, 2019."}],"balance_after":35894,"source":{"system":"sec-edgar","filing":"0001204899-18-000002","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1204899/000120489918000002/edgar.xml","form_type":"4"}},{"id":4095942,"issuer":{"id":5785,"kind":"organization","name":"Ribbon Communications Inc."},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-01-18T21:21:33.000Z","date":"2018-01-16","kind":"grant","acquired":true,"shares":10683,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These are restricted shares of Common Stock that vest on the date of the Issuer's 2018 Annual Meeting of Stockholders."}],"balance_after":10683,"source":{"system":"sec-edgar","filing":"0001204899-18-000002","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1204899/000120489918000002/edgar.xml","form_type":"4"}},{"id":4148967,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-11-29T16:15:16.000Z","date":"2017-11-28","kind":"other","acquired":false,"shares":118253,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"security","element":"securityTitle","label":"F3","text":"Refers to shares held by CCV (see footnote 2)."},{"field":"kind","element":"transactionCoding","label":"F4","text":"CCV, a limited liability company organized in a manner similar to a limited partnership, made a pro rata distribution for no consideration to its members on November 28, 2017. 118,253 shares were distributed to certain non-managing members and 100,913 shares were distributed as follows: (i) CCV managing member R. William Burgess, Jr. (\"Burgess\") received 48,921 shares and his IRA received 1,774 shares (a change of form of beneficial ownership without a change of pecuniary interest exempt from reporting under Rule 16a-13), (ii) Calvert Capital Management Company (\"CCMC\"), a company which is controlled by Burgess and the reporting person, received 2,078 shares (a change of form of beneficial ownership without a change of pecuniary interest exempt from reporting under Rule 16a-13),"},{"field":"kind","element":"transactionCoding","label":"F5","text":"(continued from footnote 4) (iii) the reporting person received 37,750 shares and a trust for his daughter (of which he is the sole trustee) received 10,390 shares (a change of form of beneficial ownership without a change of pecuniary interest exempt from reporting under Rule 16a-13). The total number of shares distributed was 219,166 shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Refers to shares held by CCV (see footnote 2)."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001144204-17-061469","document":"tv480379_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000114420417061469/tv480379_4.xml","form_type":"4"}},{"id":4148966,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-11-29T16:15:16.000Z","date":"2017-11-28","kind":"other","acquired":false,"shares":780834,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Refers to shares held in the name of ABS Ventures IX, L.P. (\"ABS\"). The reporting person is a managing member of Calvert Capital V LLC (\"CCV\"), the general partner of ABS, and has shared voting and dispositive power with respect to the shares held by ABS."},{"field":"kind","element":"transactionCoding","label":"F2","text":"ABS made a pro-rata distribution for no consideration of Common Stock of Everbridge, Inc. (the \"Issuer\") to its general partner and limited partners on November 28, 2017. The limited partners received 780,834 shares in the distribution. CCV, general partner of ABS, received 219,166 shares in the distribution (a change of form of beneficial ownership without a change of pecuniary interest exempt from reporting under Rule 16a-13). The total number of shares distributed was 1,000,000 shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Refers to shares held in the name of ABS Ventures IX, L.P. (\"ABS\"). The reporting person is a managing member of Calvert Capital V LLC (\"CCV\"), the general partner of ABS, and has shared voting and dispositive power with respect to the shares held by ABS."}],"balance_after":1000000,"source":{"system":"sec-edgar","filing":"0001144204-17-061469","document":"tv480379_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000114420417061469/tv480379_4.xml","form_type":"4"}},{"id":4224467,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-08-25T16:47:39.000Z","date":"2017-08-23","kind":"other","acquired":false,"shares":118644,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote 3"},"footnotes":[{"field":"security","element":"securityTitle","label":"F3","text":"Refers to shares held by CCV (see footnote 2)."},{"field":"kind","element":"transactionCoding","label":"F4","text":"CCV, a limited liability company organized in a manner similar to a limited partnership, made a pro rata distribution for no consideration to its members on August 23, 2017. 118,644 shares were distributed to certain non-managing members and 100,521 shares were distributed as follows: (i) CCV managing member R. William Burgess, Jr. (\"Burgess\") received 48,978 shares and his IRA received 1,652 shares (a change of form of beneficial ownership without a change of pecuniary interest exempt from reporting under Rule 16a-13), (ii) Calvert Capital Management Company (\"CCMC\"), a company which is controlled by Burgess and the reporting person, received 2,086 shares (a change of form of beneficial ownership without a change of pecuniary interest exempt from reporting under Rule 16a-13),"},{"field":"kind","element":"transactionCoding","label":"F5","text":"(continued from footnote 4) (iii) the reporting person received 37,376 shares and a trust for his daughter (of which he is the sole trustee) received 10,429 shares (a change of form of beneficial ownership without a change of pecuniary interest exempt from reporting under Rule 16a-13). The total number of shares distributed was 219,165 shares."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001144204-17-045208","document":"v474005_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000114420417045208/v474005_4.xml","form_type":"4"}},{"id":4224466,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-08-25T16:47:39.000Z","date":"2017-08-23","kind":"other","acquired":false,"shares":780835,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote 1"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Refers to shares held in the name of ABS Ventures IX, L.P. (\"ABS\"). The reporting person is a managing member of Calvert Capital V LLC (\"CCV\"), the general partner of ABS, and has shared voting and dispositive power with respect to the shares held by ABS."},{"field":"kind","element":"transactionCoding","label":"F2","text":"ABS made a pro-rata distribution for no consideration of Common Stock of Everbridge, Inc. (the \"Issuer\") to its general partner and limited partners on August 23, 2017. The limited partners received 780,835 shares in the distribution. CCV, general partner of ABS, received 219,165 shares in the distribution (a change of form of beneficial ownership without a change of pecuniary interest exempt from reporting under Rule 16a-13). The total number of shares distributed was 1,000,000 shares."}],"balance_after":2000000,"source":{"system":"sec-edgar","filing":"0001144204-17-045208","document":"v474005_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000114420417045208/v474005_4.xml","form_type":"4"}},{"id":4238815,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-08-09T17:06:06.000Z","date":"2017-08-07","kind":"sale","acquired":false,"shares":10000,"price":22.0707,"value":220707.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Refers to shares held in the name of ABS Ventures IX, L.P. (\"ABS\"). The reporting person is a managing member of Calvert Capital V LLC (\"CCV\"), the general partner of ABS, and has shared voting and dispositive power with respect to the shares held by ABS."},{"field":"kind","element":"transactionCoding","label":"F7","text":"Represents the weighted average price for 10,000 shares sold within the range of $21.90 to $22.22. Information regarding the number of shares sold at each separate price will be made available from the reporting person upon request by the SEC, the issuer or its shareowners."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Refers to shares held in the name of ABS Ventures IX, L.P. (\"ABS\"). The reporting person is a managing member of Calvert Capital V LLC (\"CCV\"), the general partner of ABS, and has shared voting and dispositive power with respect to the shares held by ABS."}],"balance_after":3000000,"source":{"system":"sec-edgar","filing":"0001144204-17-041752","document":"v472818_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000114420417041752/v472818_4.xml","form_type":"4"}},{"id":4238814,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-08-09T17:06:06.000Z","date":"2017-08-07","kind":"other","acquired":false,"shares":25123,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"security","element":"securityTitle","label":"F3","text":"Refers to shares held by CCV (see footnote 2)."},{"field":"kind","element":"transactionCoding","label":"F4","text":"CCV, a limited liability company organized in a manner similar to a limited partnership, made a pro rata distribution for no consideration to its members on August 7, 2017. 25,123 shares were distributed to certain non-managing members and 48,777 shares were distributed as follows: (i) CCV managing member R. William Burgess, Jr. (\"Burgess\") received 15,494 shares and his IRA received 4,779 shares (a change of form of beneficial ownership without a change of pecuniary interest exempt from reporting under Rule 16a-13), (ii) Calvert Capital Management Company (\"CCMC\"), a company which is controlled by Burgess and the reporting person, received 403 shares (a change of form of beneficial ownership without a change of pecuniary interest exempt from reporting under Rule 16a-13),"},{"field":"kind","element":"transactionCoding","label":"F5","text":"(continued from footnote 4) (iii) the reporting person received 26,082 shares and a trust for his daughter (of which he is the sole trustee) received 2,019 shares (a change of form of beneficial ownership without a change of pecuniary interest exempt from reporting under Rule 16a-13). The total number of shares distributed was 73,900 shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Refers to shares held by CCV (see footnote 2)."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001144204-17-041752","document":"v472818_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000114420417041752/v472818_4.xml","form_type":"4"}},{"id":4238813,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-08-09T17:06:06.000Z","date":"2017-08-07","kind":"other","acquired":false,"shares":1640437,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Refers to shares held in the name of ABS Ventures IX, L.P. (\"ABS\"). The reporting person is a managing member of Calvert Capital V LLC (\"CCV\"), the general partner of ABS, and has shared voting and dispositive power with respect to the shares held by ABS."},{"field":"kind","element":"transactionCoding","label":"F2","text":"ABS made a pro-rata distribution for no consideration of Common Stock of Everbridge, Inc. (the \"Issuer\") to its general partner and limited partners on August 7, 2017. The limited partners received 1,640,437 shares in the distribution. CCV, general partner of ABS, received 73,900 shares in the distribution (a change of form of beneficial ownership without a change of pecuniary interest exempt from reporting under Rule 16a-13). The total number of shares distributed was 1,714,337 shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Refers to shares held in the name of ABS Ventures IX, L.P. (\"ABS\"). The reporting person is a managing member of Calvert Capital V LLC (\"CCV\"), the general partner of ABS, and has shared voting and dispositive power with respect to the shares held by ABS."}],"balance_after":3010000,"source":{"system":"sec-edgar","filing":"0001144204-17-041752","document":"v472818_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000114420417041752/v472818_4.xml","form_type":"4"}},{"id":4308051,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2017-05-23T16:57:59.000Z","date":"2017-05-16","kind":"grant","acquired":true,"shares":7500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option vests in full on the earlier of: (i) the date of the Issuer's next annual meeting of stockholders held after the date of the grant or (ii) the first anniversary of the date of grant, in each case subject to the Reporting Person's continued service with the Issuer through the applicable vesting date."}],"balance_after":7500,"derivative":{"exercise_price":24.87,"expiration_date":"2027-05-16","underlying":"Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001204899-17-000002","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000120489917000002/primary_doc.xml","form_type":"4/A","original_submission_date":"2017-05-16"}},{"id":4308050,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2017-05-23T16:49:12.000Z","date":"2017-05-16","kind":"grant","acquired":true,"shares":7500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"This Stock Option vests in full on the earlier of: (i) the date of the Issuer's next annual meeting of stockholders held after the date of the grant or (ii) the first anniversary of the date of grant, in each case subject to the Reporting Person's continued service with the Issuer through the applicable vesting date."}],"balance_after":7500,"derivative":{"exercise_price":24.87,"exercise_date":"2018-05-16","underlying":"Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001204899-17-000001","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000120489917000001/primary_doc.xml","form_type":"4"}},{"id":4352533,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-04-13T17:24:47.000Z","date":"2017-04-11","kind":"sale","acquired":false,"shares":1150000,"price":18.8575,"value":21686125.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold in a public offering by the Issuer, pursuant to a Form S-1 Registration Statement which was declared effective on April 5, 2017. The reported sale price reflects the price at which the shares were sold to the underwriters."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The shares were sold in a public offering by the Issuer, pursuant to a Form S-1 Registration Statement which was declared effective on April 5, 2017. The reported sale price reflects the price at which the shares were sold to the underwriters."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in the name of ABS Ventures IX, L.P. (\"ABS\"). The reporting person is a managing member of Calvert Capital V LLC, the general partner of ABS, and has voting and dispositive power with respect to the shares held by ABS."}],"balance_after":4724337,"source":{"system":"sec-edgar","filing":"0001684552-17-000007","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000168455217000007/primary_doc.xml","form_type":"4/A","original_submission_date":"2017-04-13"}},{"id":4352530,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-04-13T16:38:11.000Z","date":"2017-04-11","kind":"sale","acquired":true,"shares":1150000,"price":18.8575,"value":21686125.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold in a public offering by the Issuer, pursuant to a Form S-1 Registration Statement which was declared effective on April\n5, 2017. The reported sale price reflects the price at which the shares were sold to the underwriters."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The shares were sold in a public offering by the Issuer, pursuant to a Form S-1 Registration Statement which was declared effective on April\n5, 2017. The reported sale price reflects the price at which the shares were sold to the underwriters."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in the name of ABS Ventures IX, L.P. (\"ABS\"). The reporting person is a managing member of Calvert Capital V LLC, the general partner of ABS, and has voting and dispositive power with respect to the shares held by ABS."}],"balance_after":4724337,"source":{"system":"sec-edgar","filing":"0001684552-17-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000168455217000003/primary_doc.xml","form_type":"4"}},{"id":4597915,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A-1 Preferred Stock","published_at":"2016-09-21T18:10:53.000Z","date":"2016-09-21","kind":"exercise","acquired":false,"shares":3331153,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"The Series A-1 Preferred Stock, which had no expiration date, automatically converted to common stock on a 1-for-1 basis upon the completion of the Issuer's initial public offering."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The Series A-1 Preferred Stock, which had no expiration date, automatically converted to common stock on a 1-for-1 basis upon the completion of the Issuer's initial public offering."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The Series A-1 Preferred Stock, which had no expiration date, automatically converted to common stock on a 1-for-1 basis upon the completion of the Issuer's initial public offering."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The Series A-1 Preferred Stock, which had no expiration date, automatically converted to common stock on a 1-for-1 basis upon the completion of the Issuer's initial public offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in the name of ABS Ventures IX, L.P. (\"ABS\").  The reporting person is a managing member of Calvert Capital V LLC, the general partner of ABS, and has voting and dispositive power with respect to the shares held by ABS."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":3331153},"source":{"system":"sec-edgar","filing":"0001209191-16-142320","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000120919116142320/doc4.xml","form_type":"4"}},{"id":4597914,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Preferred Stock","published_at":"2016-09-21T18:10:53.000Z","date":"2016-09-21","kind":"exercise","acquired":false,"shares":3106459,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The Series A Preferred Stock, which had no expiration date, automatically converted to common stock on a 1-for-1 basis upon the completion of the Issuer's initial public offering."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Series A Preferred Stock, which had no expiration date, automatically converted to common stock on a 1-for-1 basis upon the completion of the Issuer's initial public offering."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The Series A Preferred Stock, which had no expiration date, automatically converted to common stock on a 1-for-1 basis upon the completion of the Issuer's initial public offering."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The Series A Preferred Stock, which had no expiration date, automatically converted to common stock on a 1-for-1 basis upon the completion of the Issuer's initial public offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in the name of ABS Ventures IX, L.P. 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The reporting person is a managing member of Calvert Capital V LLC, the general partner of ABS, and has voting and dispositive power with respect to the shares held by ABS."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":3106459},"source":{"system":"sec-edgar","filing":"0001209191-16-142320","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000120919116142320/doc4.xml","form_type":"4"}},{"id":4597913,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2016-09-21T18:10:53.000Z","date":"2016-09-21","kind":"sale","acquired":false,"shares":563275,"price":11.16,"value":6286149.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The shares were sold in the Issuer's initial public offering, pursuant to a Form S-1 Registration Statement which was declared effective on September 15, 2016.  The reported sale price reflects the price at which the shares were sold to the underwriters."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The shares were sold in the Issuer's initial public offering, pursuant to a Form S-1 Registration Statement which was declared effective on September 15, 2016.  The reported sale price reflects the price at which the shares were sold to the underwriters."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in the name of ABS Ventures IX, L.P. (\"ABS\").  The reporting person is a managing member of Calvert Capital V LLC, the general partner of ABS, and has voting and dispositive power with respect to the shares held by ABS."}],"balance_after":5874337,"source":{"system":"sec-edgar","filing":"0001209191-16-142320","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000120919116142320/doc4.xml","form_type":"4"}},{"id":4597912,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2016-09-21T18:10:53.000Z","date":"2016-09-21","kind":"exercise","acquired":true,"shares":3331153,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The Series A-1 Preferred Stock, which had no expiration date, automatically converted to common stock on a 1-for-1 basis upon the completion of the Issuer's initial public offering."}],"balance_after":6437612,"source":{"system":"sec-edgar","filing":"0001209191-16-142320","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1437352/000120919116142320/doc4.xml","form_type":"4"}},{"id":4597911,"issuer":{"id":89241,"kind":"organization","name":"EVERBRIDGE, INC.","symbol":"EVBG"},"owners":[{"id":30311,"kind":"person","name":"GRAYSON BRUNS H","position":1,"cik":"0001204899","reported_name":"GRAYSON BRUNS H","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2016-09-21T18:10:53.000Z","date":"2016-09-21","kind":"exercise","acquired":true,"shares":3106459,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Series A Preferred Stock, which had no expiration date, automatically converted to common stock on a 1-for-1 basis upon the completion of the Issuer's initial public offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in the name of ABS Ventures IX, L.P. 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