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The option shall vest in full on the earlier to occur of (A) the first anniversary of the date of grant or (B) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continuous service on the board of directors of the Issuer through such vesting date."}],"balance_after":20000,"derivative":{"exercise_price":1.65,"expiration_date":"2032-06-08","underlying":"Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001209191-22-036443","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000120919122036443/doc4.xml","form_type":"4"}},{"id":2381895,"issuer":{"id":89916,"kind":"organization","name":"eFFECTOR Therapeutics, Inc.","symbol":"EFTR"},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-02-22T16:59:33.000Z","date":"2022-02-18","kind":"purchase","acquired":true,"shares":1000,"price":4.3,"value":4300.0,"ownership":{"direct":true},"balance_after":16000,"source":{"system":"sec-edgar","filing":"0001209191-22-011731","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000120919122011731/doc4.xml","form_type":"4"}},{"id":2381894,"issuer":{"id":89916,"kind":"organization","name":"eFFECTOR Therapeutics, Inc.","symbol":"EFTR"},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-02-22T16:59:33.000Z","date":"2022-02-14","kind":"purchase","acquired":true,"shares":2000,"price":4.45,"value":8900.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in two transactions at prices ranging from $4.40 to $4.50. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote."}],"balance_after":15000,"source":{"system":"sec-edgar","filing":"0001209191-22-011731","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000120919122011731/doc4.xml","form_type":"4"}},{"id":2404143,"issuer":{"id":89916,"kind":"organization","name":"eFFECTOR Therapeutics, Inc.","symbol":"EFTR"},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-02-10T17:05:10.000Z","date":"2022-02-09","kind":"purchase","acquired":true,"shares":1000,"price":4.75,"value":4750.0,"ownership":{"direct":true},"balance_after":13000,"source":{"system":"sec-edgar","filing":"0001209191-22-008529","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000120919122008529/doc4.xml","form_type":"4"}},{"id":2404142,"issuer":{"id":89916,"kind":"organization","name":"eFFECTOR Therapeutics, Inc.","symbol":"EFTR"},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-02-10T17:05:10.000Z","date":"2022-02-08","kind":"purchase","acquired":true,"shares":1000,"price":4.92,"value":4920.0,"ownership":{"direct":true},"balance_after":12000,"source":{"system":"sec-edgar","filing":"0001209191-22-008529","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000120919122008529/doc4.xml","form_type":"4"}},{"id":2410002,"issuer":{"id":89916,"kind":"organization","name":"eFFECTOR Therapeutics, Inc.","symbol":"EFTR"},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-02-07T09:00:13.000Z","date":"2022-02-04","kind":"purchase","acquired":true,"shares":1000,"price":5,"value":5000.0,"ownership":{"direct":true},"balance_after":11000,"source":{"system":"sec-edgar","filing":"0001209191-22-007349","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000120919122007349/doc4.xml","form_type":"4"}},{"id":2410001,"issuer":{"id":89916,"kind":"organization","name":"eFFECTOR Therapeutics, Inc.","symbol":"EFTR"},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-02-07T09:00:13.000Z","date":"2022-02-03","kind":"purchase","acquired":true,"shares":5000,"price":5.15,"value":25750.0,"ownership":{"direct":true},"balance_after":10000,"source":{"system":"sec-edgar","filing":"0001209191-22-007349","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000120919122007349/doc4.xml","form_type":"4"}},{"id":2421020,"issuer":{"id":89916,"kind":"organization","name":"eFFECTOR Therapeutics, Inc.","symbol":"EFTR"},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-01-31T17:50:28.000Z","date":"2022-01-27","kind":"purchase","acquired":true,"shares":5000,"price":5.303,"value":26515.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.23 to $5.47. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote."}],"balance_after":5000,"source":{"system":"sec-edgar","filing":"0001209191-22-005721","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000120919122005721/doc4.xml","form_type":"4"}},{"id":2544336,"issuer":{"id":8622,"kind":"organization","name":"CERO THERAPEUTICS HOLDINGS, INC."},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CEO and Secretary"}}],"security":"Warrants","published_at":"2021-10-12T19:36:09.000Z","date":"2021-10-08","kind":"other","acquired":true,"shares":18366,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Phoenix Biotech Sponsor, LLC"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Acquisition by the issuer's sponsor, Phoenix Biotech Sponsor, LLC (the \"Sponsor\") in connection with the partial exercise of the underwriters' over-allotment option."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The warrants will become exercisable at the later of 30 days after the consummation of the issuer's initial business combination or 12 months from the completion of the issuer's initial public offering."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"The warrants will expire five years after the consummation of the issuer's initial business combination or earlier upon redemption of all of the issuer's outstanding Class A common shares or the issuer's liquidation."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"These securities are held directly by the Sponsor, which managed by the reporting person. As a result, all of the securities may be deemed to be beneficially held by the reporting person. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for any other purpose."}],"balance_after":349998,"derivative":{"exercise_price":11.5,"underlying":"Class A Common Stock","underlying_shares":18366},"source":{"system":"sec-edgar","filing":"0000899243-21-039941","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000089924321039941/doc4.xml","form_type":"4"}},{"id":2544335,"issuer":{"id":8622,"kind":"organization","name":"CERO THERAPEUTICS HOLDINGS, INC."},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CEO and Secretary"}}],"security":"Class B Common Stock","published_at":"2021-10-12T19:36:09.000Z","date":"2021-10-08","kind":"other","acquired":false,"shares":82875,"ownership":{"direct":false,"nature":"By Phoenix Biotech Sponsor, LLC"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"The shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination on a one-for-one basis, subject to certain adjustments described in the issuer's charter documents and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F4","text":"Forfeiture and cancellation of shares of Class B common stock for no consideration because the underwriters' over-allotment option was not exercised in full."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Forfeiture and cancellation of shares of Class B common stock for no consideration because the underwriters' over-allotment option was not exercised in full."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination on a one-for-one basis, subject to certain adjustments described in the issuer's charter documents and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination on a one-for-one basis, subject to certain adjustments described in the issuer's charter documents and have no expiration date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"These securities are held directly by the Sponsor, which managed by the reporting person. As a result, all of the securities may be deemed to be beneficially held by the reporting person. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for any other purpose."}],"balance_after":4596250,"derivative":{"underlying":"Class A Common Stock","underlying_shares":82875},"source":{"system":"sec-edgar","filing":"0000899243-21-039941","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000089924321039941/doc4.xml","form_type":"4"}},{"id":2544334,"issuer":{"id":8622,"kind":"organization","name":"CERO THERAPEUTICS HOLDINGS, INC."},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CEO and Secretary"}}],"security":"Class A common stock","published_at":"2021-10-12T19:36:09.000Z","date":"2021-10-08","kind":"other","acquired":true,"shares":36733,"price":10,"value":367330.0,"ownership":{"direct":false,"nature":"By Phoenix Biotech Sponsor, LLC"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Acquisition by the issuer's sponsor, Phoenix Biotech Sponsor, LLC (the \"Sponsor\") in connection with the partial exercise of the underwriters' over-allotment option."},{"field":"shares","element":"transactionShares","label":"F2","text":"These shares underlie the same number of units of the issuer held by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"These securities are held directly by the Sponsor, which managed by the reporting person. As a result, all of the securities may be deemed to be beneficially held by the reporting person. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for any other purpose."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"These shares underlie the same number of units of the issuer held by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"These securities are held directly by the Sponsor, which managed by the reporting person. As a result, all of the securities may be deemed to be beneficially held by the reporting person. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for any other purpose."}],"balance_after":699996,"source":{"system":"sec-edgar","filing":"0000899243-21-039941","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000089924321039941/doc4.xml","form_type":"4"}},{"id":2545381,"issuer":{"id":89916,"kind":"organization","name":"eFFECTOR Therapeutics, Inc.","symbol":"EFTR"},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2021-10-08T17:22:23.000Z","date":"2021-10-06","kind":"grant","acquired":true,"shares":40000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The shares subject to the option will vest in substantially equal monthly installments over three years, commencing on August 25, 2021, subject to the Reporting Person's continued service with the Issuer through each vesting date."}],"balance_after":40000,"derivative":{"exercise_price":11.36,"expiration_date":"2031-10-05","underlying":"Common Stock","underlying_shares":40000},"source":{"system":"sec-edgar","filing":"0001209191-21-060079","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000120919121060079/doc4.xml","form_type":"4"}},{"id":2587929,"issuer":{"id":89916,"kind":"organization","name":"eFFECTOR Therapeutics, Inc.","symbol":"EFTR"},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2021-08-27T18:53:30.000Z","date":"2021-08-25","kind":"exercise","acquired":false,"shares":1034,"ownership":{"direct":false,"nature":"By Locust Walk Partners LLC"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"On August 25, 2021, pursuant to that certain Agreement and Plan of Merger, dated as of May 26, 2021 (the \"Merger Agreement\"), by and among the Issuer (f/k/a Locust Walk Acquisition Corp.), Locust Walk Merger Sub, Inc. (\"Merger Sub\"), and eFFECTOR Therapeutics, Inc. (\"Old eFFECTOR\"), Merger Sub merged with and into Old eFFECTOR with Old eFFECTOR surviving as a wholly owned subsidiary of the Issuer (the \"Merger\"). In connection with and upon consummation of the Merger, each of the Issuer's outstanding shares of Class B Common Stock automatically converted into one share of Class A Common Stock\nand such shares of Class A Common Stock were automatically reclassified in shares of common stock."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On August 25, 2021, pursuant to that certain Agreement and Plan of Merger, dated as of May 26, 2021 (the \"Merger Agreement\"), by and among the Issuer (f/k/a Locust Walk Acquisition Corp.), Locust Walk Merger Sub, Inc. (\"Merger Sub\"), and eFFECTOR Therapeutics, Inc. (\"Old eFFECTOR\"), Merger Sub merged with and into Old eFFECTOR with Old eFFECTOR surviving as a wholly owned subsidiary of the Issuer (the \"Merger\"). In connection with and upon consummation of the Merger, each of the Issuer's outstanding shares of Class B Common Stock automatically converted into one share of Class A Common Stock\nand such shares of Class A Common Stock were automatically reclassified in shares of common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On August 25, 2021, pursuant to that certain Agreement and Plan of Merger, dated as of May 26, 2021 (the \"Merger Agreement\"), by and among the Issuer (f/k/a Locust Walk Acquisition Corp.), Locust Walk Merger Sub, Inc. (\"Merger Sub\"), and eFFECTOR Therapeutics, Inc. (\"Old eFFECTOR\"), Merger Sub merged with and into Old eFFECTOR with Old eFFECTOR surviving as a wholly owned subsidiary of the Issuer (the \"Merger\"). In connection with and upon consummation of the Merger, each of the Issuer's outstanding shares of Class B Common Stock automatically converted into one share of Class A Common Stock\nand such shares of Class A Common Stock were automatically reclassified in shares of common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On August 25, 2021, pursuant to that certain Agreement and Plan of Merger, dated as of May 26, 2021 (the \"Merger Agreement\"), by and among the Issuer (f/k/a Locust Walk Acquisition Corp.), Locust Walk Merger Sub, Inc. (\"Merger Sub\"), and eFFECTOR Therapeutics, Inc. (\"Old eFFECTOR\"), Merger Sub merged with and into Old eFFECTOR with Old eFFECTOR surviving as a wholly owned subsidiary of the Issuer (the \"Merger\"). In connection with and upon consummation of the Merger, each of the Issuer's outstanding shares of Class B Common Stock automatically converted into one share of Class A Common Stock\nand such shares of Class A Common Stock were automatically reclassified in shares of common stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Represents shares held directly by the Sponsor, of which LWP is a member. LWP has allocated these shares to the reporting person's spouse."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1034},"source":{"system":"sec-edgar","filing":"0001209191-21-053731","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000120919121053731/doc4.xml","form_type":"4"}},{"id":2587928,"issuer":{"id":89916,"kind":"organization","name":"eFFECTOR Therapeutics, Inc.","symbol":"EFTR"},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2021-08-27T18:53:30.000Z","date":"2021-08-25","kind":"disposition_to_issuer","acquired":false,"shares":966,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Locust Walk Partners LLC("},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"On August 25, 2021, pursuant to that certain Agreement and Plan of Merger, dated as of May 26, 2021 (the \"Merger Agreement\"), by and among the Issuer (f/k/a Locust Walk Acquisition Corp.), Locust Walk Merger Sub, Inc. (\"Merger Sub\"), and eFFECTOR Therapeutics, Inc. (\"Old eFFECTOR\"), Merger Sub merged with and into Old eFFECTOR with Old eFFECTOR surviving as a wholly owned subsidiary of the Issuer (the \"Merger\"). In connection with and upon consummation of the Merger, each of the Issuer's outstanding shares of Class B Common Stock automatically converted into one share of Class A Common Stock\nand such shares of Class A Common Stock were automatically reclassified in shares of common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On August 25, 2021, pursuant to that certain Agreement and Plan of Merger, dated as of May 26, 2021 (the \"Merger Agreement\"), by and among the Issuer (f/k/a Locust Walk Acquisition Corp.), Locust Walk Merger Sub, Inc. (\"Merger Sub\"), and eFFECTOR Therapeutics, Inc. (\"Old eFFECTOR\"), Merger Sub merged with and into Old eFFECTOR with Old eFFECTOR surviving as a wholly owned subsidiary of the Issuer (the \"Merger\"). In connection with and upon consummation of the Merger, each of the Issuer's outstanding shares of Class B Common Stock automatically converted into one share of Class A Common Stock\nand such shares of Class A Common Stock were automatically reclassified in shares of common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Pursuant to an agreement by and between the Issuer and Locust Walk Sponsor, LLC (the \"Sponsor\"), concurrent with the consummation of the Merger, these\nshares of Class B Common Stock were forfeited to the Issuer immediately prior to the Merger."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On August 25, 2021, pursuant to that certain Agreement and Plan of Merger, dated as of May 26, 2021 (the \"Merger Agreement\"), by and among the Issuer (f/k/a Locust Walk Acquisition Corp.), Locust Walk Merger Sub, Inc. (\"Merger Sub\"), and eFFECTOR Therapeutics, Inc. (\"Old eFFECTOR\"), Merger Sub merged with and into Old eFFECTOR with Old eFFECTOR surviving as a wholly owned subsidiary of the Issuer (the \"Merger\"). In connection with and upon consummation of the Merger, each of the Issuer's outstanding shares of Class B Common Stock automatically converted into one share of Class A Common Stock\nand such shares of Class A Common Stock were automatically reclassified in shares of common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Pursuant to an agreement by and between the Issuer and Locust Walk Sponsor, LLC (the \"Sponsor\"), concurrent with the consummation of the Merger, these\nshares of Class B Common Stock were forfeited to the Issuer immediately prior to the Merger."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"As a former principal of the manager of the Sponsor, the reporting person previously reported all securities held by the Sponsor. As of the date hereof, the reporting person is no longer a principal of the entity with control over the securities held by the Sponsor, accordingly, this report only includes securities to the extent of the reporting person's and his spouse's pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Represents shares held directly by the Sponsor, of which LWP is a member. LWP has allocated these shares to the reporting person's spouse."}],"balance_after":1034,"derivative":{"underlying":"Common Stock","underlying_shares":966},"source":{"system":"sec-edgar","filing":"0001209191-21-053731","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000120919121053731/doc4.xml","form_type":"4"}},{"id":2587927,"issuer":{"id":89916,"kind":"organization","name":"eFFECTOR Therapeutics, Inc.","symbol":"EFTR"},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2021-08-27T18:53:30.000Z","date":"2021-08-25","kind":"exercise","acquired":false,"shares":142168,"ownership":{"direct":false,"nature":"By Locust Walk Partners LLC"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"On August 25, 2021, pursuant to that certain Agreement and Plan of Merger, dated as of May 26, 2021 (the \"Merger Agreement\"), by and among the Issuer (f/k/a Locust Walk Acquisition Corp.), Locust Walk Merger Sub, Inc. (\"Merger Sub\"), and eFFECTOR Therapeutics, Inc. (\"Old eFFECTOR\"), Merger Sub merged with and into Old eFFECTOR with Old eFFECTOR surviving as a wholly owned subsidiary of the Issuer (the \"Merger\"). In connection with and upon consummation of the Merger, each of the Issuer's outstanding shares of Class B Common Stock automatically converted into one share of Class A Common Stock\nand such shares of Class A Common Stock were automatically reclassified in shares of common stock."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On August 25, 2021, pursuant to that certain Agreement and Plan of Merger, dated as of May 26, 2021 (the \"Merger Agreement\"), by and among the Issuer (f/k/a Locust Walk Acquisition Corp.), Locust Walk Merger Sub, Inc. (\"Merger Sub\"), and eFFECTOR Therapeutics, Inc. (\"Old eFFECTOR\"), Merger Sub merged with and into Old eFFECTOR with Old eFFECTOR surviving as a wholly owned subsidiary of the Issuer (the \"Merger\"). In connection with and upon consummation of the Merger, each of the Issuer's outstanding shares of Class B Common Stock automatically converted into one share of Class A Common Stock\nand such shares of Class A Common Stock were automatically reclassified in shares of common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On August 25, 2021, pursuant to that certain Agreement and Plan of Merger, dated as of May 26, 2021 (the \"Merger Agreement\"), by and among the Issuer (f/k/a Locust Walk Acquisition Corp.), Locust Walk Merger Sub, Inc. (\"Merger Sub\"), and eFFECTOR Therapeutics, Inc. (\"Old eFFECTOR\"), Merger Sub merged with and into Old eFFECTOR with Old eFFECTOR surviving as a wholly owned subsidiary of the Issuer (the \"Merger\"). In connection with and upon consummation of the Merger, each of the Issuer's outstanding shares of Class B Common Stock automatically converted into one share of Class A Common Stock\nand such shares of Class A Common Stock were automatically reclassified in shares of common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On August 25, 2021, pursuant to that certain Agreement and Plan of Merger, dated as of May 26, 2021 (the \"Merger Agreement\"), by and among the Issuer (f/k/a Locust Walk Acquisition Corp.), Locust Walk Merger Sub, Inc. (\"Merger Sub\"), and eFFECTOR Therapeutics, Inc. (\"Old eFFECTOR\"), Merger Sub merged with and into Old eFFECTOR with Old eFFECTOR surviving as a wholly owned subsidiary of the Issuer (the \"Merger\"). In connection with and upon consummation of the Merger, each of the Issuer's outstanding shares of Class B Common Stock automatically converted into one share of Class A Common Stock\nand such shares of Class A Common Stock were automatically reclassified in shares of common stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares held directly by the Sponsor, of which Locust Walk Partners LLC (\"LWP\") is a member. LWP has allocated these shares to the reporting\nperson."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":142168},"source":{"system":"sec-edgar","filing":"0001209191-21-053731","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000120919121053731/doc4.xml","form_type":"4"}},{"id":2587926,"issuer":{"id":89916,"kind":"organization","name":"eFFECTOR Therapeutics, Inc.","symbol":"EFTR"},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2021-08-27T18:53:30.000Z","date":"2021-08-25","kind":"disposition_to_issuer","acquired":false,"shares":132832,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Locust Walk Partners LLC"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"On August 25, 2021, pursuant to that certain Agreement and Plan of Merger, dated as of May 26, 2021 (the \"Merger Agreement\"), by and among the Issuer (f/k/a Locust Walk Acquisition Corp.), Locust Walk Merger Sub, Inc. (\"Merger Sub\"), and eFFECTOR Therapeutics, Inc. (\"Old eFFECTOR\"), Merger Sub merged with and into Old eFFECTOR with Old eFFECTOR surviving as a wholly owned subsidiary of the Issuer (the \"Merger\"). In connection with and upon consummation of the Merger, each of the Issuer's outstanding shares of Class B Common Stock automatically converted into one share of Class A Common Stock\nand such shares of Class A Common Stock were automatically reclassified in shares of common stock."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Pursuant to an agreement by and between the Issuer and Locust Walk Sponsor, LLC (the \"Sponsor\"), concurrent with the consummation of the Merger, these\nshares of Class B Common Stock were forfeited to the Issuer immediately prior to the Merger."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On August 25, 2021, pursuant to that certain Agreement and Plan of Merger, dated as of May 26, 2021 (the \"Merger Agreement\"), by and among the Issuer (f/k/a Locust Walk Acquisition Corp.), Locust Walk Merger Sub, Inc. (\"Merger Sub\"), and eFFECTOR Therapeutics, Inc. (\"Old eFFECTOR\"), Merger Sub merged with and into Old eFFECTOR with Old eFFECTOR surviving as a wholly owned subsidiary of the Issuer (the \"Merger\"). In connection with and upon consummation of the Merger, each of the Issuer's outstanding shares of Class B Common Stock automatically converted into one share of Class A Common Stock\nand such shares of Class A Common Stock were automatically reclassified in shares of common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Pursuant to an agreement by and between the Issuer and Locust Walk Sponsor, LLC (the \"Sponsor\"), concurrent with the consummation of the Merger, these\nshares of Class B Common Stock were forfeited to the Issuer immediately prior to the Merger."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On August 25, 2021, pursuant to that certain Agreement and Plan of Merger, dated as of May 26, 2021 (the \"Merger Agreement\"), by and among the Issuer (f/k/a Locust Walk Acquisition Corp.), Locust Walk Merger Sub, Inc. (\"Merger Sub\"), and eFFECTOR Therapeutics, Inc. (\"Old eFFECTOR\"), Merger Sub merged with and into Old eFFECTOR with Old eFFECTOR surviving as a wholly owned subsidiary of the Issuer (the \"Merger\"). In connection with and upon consummation of the Merger, each of the Issuer's outstanding shares of Class B Common Stock automatically converted into one share of Class A Common Stock\nand such shares of Class A Common Stock were automatically reclassified in shares of common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Pursuant to an agreement by and between the Issuer and Locust Walk Sponsor, LLC (the \"Sponsor\"), concurrent with the consummation of the Merger, these\nshares of Class B Common Stock were forfeited to the Issuer immediately prior to the Merger."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"As a former principal of the manager of the Sponsor, the reporting person previously reported all securities held by the Sponsor. As of the date hereof, the reporting person is no longer a principal of the entity with control over the securities held by the Sponsor, accordingly, this report only includes securities to the extent of the reporting person's and his spouse's pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares held directly by the Sponsor, of which Locust Walk Partners LLC (\"LWP\") is a member. LWP has allocated these shares to the reporting\nperson."}],"balance_after":142168,"derivative":{"underlying":"Common Stock","underlying_shares":132832},"source":{"system":"sec-edgar","filing":"0001209191-21-053731","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000120919121053731/doc4.xml","form_type":"4"}},{"id":2587925,"issuer":{"id":89916,"kind":"organization","name":"eFFECTOR Therapeutics, Inc.","symbol":"EFTR"},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-08-27T18:53:30.000Z","date":"2021-08-25","kind":"exercise","acquired":true,"shares":1034,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Locust Walk Partners LLC"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Represents shares held directly by the Sponsor, of which LWP is a member. LWP has allocated these shares to the reporting person's spouse."}],"balance_after":1034,"source":{"system":"sec-edgar","filing":"0001209191-21-053731","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000120919121053731/doc4.xml","form_type":"4"}},{"id":2587924,"issuer":{"id":89916,"kind":"organization","name":"eFFECTOR Therapeutics, Inc.","symbol":"EFTR"},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-08-27T18:53:30.000Z","date":"2021-08-25","kind":"exercise","acquired":true,"shares":142168,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Locust Walk Partners LLC"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares held directly by the Sponsor, of which Locust Walk Partners LLC (\"LWP\") is a member. LWP has allocated these shares to the reporting\nperson."}],"balance_after":142168,"source":{"system":"sec-edgar","filing":"0001209191-21-053731","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000120919121053731/doc4.xml","form_type":"4"}},{"id":2906982,"issuer":{"id":89916,"kind":"organization","name":"eFFECTOR Therapeutics, Inc.","symbol":"EFTR"},"owners":[{"id":69653,"kind":"person","name":"Ehrlich Christopher B","position":1,"cik":"0001293973","reported_name":"Ehrlich Christopher B","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Class B Common Stock","published_at":"2021-01-14T19:46:22.000Z","date":"2021-01-12","kind":"other","acquired":false,"shares":23750,"ownership":{"direct":false,"nature":"By Locust Walk"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination on a one-for-one basis, subject to certain adjustments described in the issuer's charter documents and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F2","text":"Forfeiture and cancellation of shares of Class B common stock for no consideration because the underwriters' over-allotment option was not exercised in full."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Forfeiture and cancellation of shares of Class B common stock for no consideration because the underwriters' over-allotment option was not exercised in full."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination on a one-for-one basis, subject to certain adjustments described in the issuer's charter documents and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination on a one-for-one basis, subject to certain adjustments described in the issuer's charter documents and have no expiration date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"These shares are held directly by the issuer's sponsor, Locust Walk Sponsor, LLC (the \"Sponsor\"), which is managed by Locust Walk Partners, LLC (the \"Manager\"). Accordingly, all of the shares held by the Sponsor may be deemed to be beneficially held by the Manager. The reporting person is a principal of the Manager. As a result, all of the shares deemed to be beneficially held by the Manager may be deemed to be beneficially held by the reporting person. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for any other purpose."}],"balance_after":4511250,"derivative":{"underlying":"Class A Common Stock","underlying_shares":23750},"source":{"system":"sec-edgar","filing":"0000899243-21-002103","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293973/000089924321002103/doc4.xml","form_type":"4"}}]}