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person · Reporting owner

Ehrlich Christopher B

Disclosed activity across 3 companies

Tapewire entity
69653
SEC CIK
0001293973

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
CERO THERAPEUTICS HOLDINGS, INC.CERO · Entity 8622Director · Chairman and CEOJanuary 07, 2026January 09, 2026
Launch One Acquisition Corp.LPAA · Entity 6908Director · Chief Executive OfficerJuly 11, 2024July 11, 2024
eFFECTOR Therapeutics, Inc.EFTR · Entity 89916DirectorJune 13, 2024June 13, 2024

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

CERO THERAPEUTICS HOLDINGS, INC.

Report date January 07, 2026 · Filed January 09, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $0.06 · Expires 2036-01-06Direct4,530,997 Reported balance After 2026-01-07 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-01-07 · Grant · Acquired 4,530,997 · Balance 4,530,997

Launch One Acquisition Corp.

Report date July 11, 2024 · Filed July 11, 2024

This filing explicitly reported no securities owned.

eFFECTOR Therapeutics, Inc.

Report date June 13, 2024 · Filed June 13, 2024

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $1.38 · Expires 2034-06-12Direct800 Reported balance After 2024-06-13 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2024-06-13 · Grant · Acquired 800 · Balance 800

F1: The option was granted pursuant to the Issuer's Non-Employee Director Compensation Program. 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.

Filing footnotes · ownership attribution and instrument terms

F1: The option was granted pursuant to the Issuer's Non-Employee Director Compensation Program. 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.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
January 07, 2026 Filed Jan 9, 2026 16:30 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 GrantStock Option (Right to Buy) · Derivative 4,530,997 $0.00 Strike: $0.06 $0.00
Disclosure

SEC source: 0001213900-26-002952 · ownership.xml · derivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,530,997

Underlying: Common Stock · 4,530,997 shares

Expires 2036-01-06

Read SEC document
May 30, 2025 Filed Jun 2, 2025 17:04 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 GrantStock Option (Right to Buy) · Derivative 61,843 $0.00 Strike: $0.45 $0.00
Disclosure

SEC source: 0001213900-25-050116 · ownership.xml · derivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,842

Underlying: Common Stock · 61,842 shares

Expires 2035-05-29

F1 · shares: Represents the 1/3 time-based portion of an award of options to purchase 185,529 shares, vesting in equal monthly installments on the 4th of each month from July 4, 2025 through December 4, 2025, with the remaining portion subject to performance conditions.

F1 · derivative.exercise_date: Represents the 1/3 time-based portion of an award of options to purchase 185,529 shares, vesting in equal monthly installments on the 4th of each month from July 4, 2025 through December 4, 2025, with the remaining portion subject to performance conditions.

Read SEC document
March 04, 2025 Filed Mar 6, 2025 16:10 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 GrantStock Option (Right to Buy) · Derivative 119,486 $0.00 Strike: $1.43 $0.00
Disclosure

SEC source: 0001213900-25-021180 · ownership.xml · derivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,486

Underlying: Common Stock · 119,486 shares

Expires 2035-03-03

F1 · shares: Represents the 50% time-based portion of an award of options to purchase 238,971 shares, vesting on the nine month anniversary of the grant date, with the remaining portion subject to performance conditions.

F1 · derivative.exercise_date: Represents the 50% time-based portion of an award of options to purchase 238,971 shares, vesting on the nine month anniversary of the grant date, with the remaining portion subject to performance conditions.

Read SEC document
February 24, 2025 Filed Feb 26, 2025 17:59 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 GrantStock Option (Right to Buy) · Derivative 1,275,000 $0.00 Strike: $0.10 $0.00
Disclosure

SEC source: 0001213900-25-017515 · ownership.xml · derivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,550,000

Underlying: Common Stock · 1,275,000 shares

Expires 2034-09-30

F1 · derivative.exercise_date: On October 1, 2024, the Reporting Person was granted an option to purchase 2,550,000 shares of Common Stock, which vest in two equal installments subject to the satisfaction of certain performance criteria. On February 24, 2025, the Issuer's Board of Directors confirmed that the performance criteria had been met with regards to the second installment, resulting in the vesting of 1,275,000 shares.

Read SEC document
December 02, 2024 Filed Dec 4, 2024 21:13 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 GrantStock Option (Right to Buy) · Derivative 1,275,000 $0.00 Strike: $0.10 $0.00
Disclosure

SEC source: 0001213900-24-105730 · ownership.xml · derivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,275,000

Underlying: Common Stock · 1,275,000 shares

Expires 2034-09-30

F1 · derivative.exercise_date: On October 1, 2024, the Reporting Person was granted an option to purchase 2,550,000 shares of Common Stock, which vest in two equal installments subject to the satisfaction of certain performance criteria. On December 2, 2024, the Issuer's Board of Directors confirmed that the performance criteria had been met with regards to one installment, resulting in the vesting of 1,275,000 shares.

Read SEC document
September 30, 2024 Filed Oct 2, 2024 21:53 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 Disposition to issuerStock Option (Right to Buy) · Derivative 572,182 $0.00 Strike: $1.77 $0.00
Disclosure

SEC source: 0001213900-24-084830 · ownership.xml · derivative · entry 4

Ehrlich Christopher B · CIK 0001293973 · Director · Interim Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 572,182 shares

Expires 2034-03-24

F2 · kind: Represents the forfeiture of employee stock options in connection with the Reporting Person's appointment as Chief Executive Officer of the Issuer.

F2 · derivative.exercise_date: Represents the forfeiture of employee stock options in connection with the Reporting Person's appointment as Chief Executive Officer of the Issuer.

Read SEC document
September 25, 2024 Filed Oct 2, 2024 21:53 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 Exercise / conversionSeries A Convertible Preferred Stock · Derivative 275 $1,000.00 $275,000.00
Disclosure

SEC source: 0001213900-24-084830 · ownership.xml · derivative · entry 3

Ehrlich Christopher B · CIK 0001293973 · Director · Interim Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,312,983 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: On September 25, 2024, the Reporting Person converted an aggregate of 275 shares of Series A Preferred Stock into 5,312,983 shares of Common Stock. Each share of Series A Preferred Stock has a stated value of $1,000 and, at the option of the holder, is convertible into a number of shares of Common Stock determined by dividing (x) the value of the shares of Series A Preferred Stock, plus any additional amounts thereon as of such date of determination, by (y) the conversion price of $1.00. As a result of various adjustments in the terms of the Series A Preferred Stock, each $1,000 of Series A Preferred Stock was converted into 19,320 shares of common stock. The Series A Preferred Stock has no expiration date.

F1 · kind: On September 25, 2024, the Reporting Person converted an aggregate of 275 shares of Series A Preferred Stock into 5,312,983 shares of Common Stock. Each share of Series A Preferred Stock has a stated value of $1,000 and, at the option of the holder, is convertible into a number of shares of Common Stock determined by dividing (x) the value of the shares of Series A Preferred Stock, plus any additional amounts thereon as of such date of determination, by (y) the conversion price of $1.00. As a result of various adjustments in the terms of the Series A Preferred Stock, each $1,000 of Series A Preferred Stock was converted into 19,320 shares of common stock. The Series A Preferred Stock has no expiration date.

F1 · derivative.exercise_date: On September 25, 2024, the Reporting Person converted an aggregate of 275 shares of Series A Preferred Stock into 5,312,983 shares of Common Stock. Each share of Series A Preferred Stock has a stated value of $1,000 and, at the option of the holder, is convertible into a number of shares of Common Stock determined by dividing (x) the value of the shares of Series A Preferred Stock, plus any additional amounts thereon as of such date of determination, by (y) the conversion price of $1.00. As a result of various adjustments in the terms of the Series A Preferred Stock, each $1,000 of Series A Preferred Stock was converted into 19,320 shares of common stock. The Series A Preferred Stock has no expiration date.

F1 · derivative.expiration_date: On September 25, 2024, the Reporting Person converted an aggregate of 275 shares of Series A Preferred Stock into 5,312,983 shares of Common Stock. Each share of Series A Preferred Stock has a stated value of $1,000 and, at the option of the holder, is convertible into a number of shares of Common Stock determined by dividing (x) the value of the shares of Series A Preferred Stock, plus any additional amounts thereon as of such date of determination, by (y) the conversion price of $1.00. As a result of various adjustments in the terms of the Series A Preferred Stock, each $1,000 of Series A Preferred Stock was converted into 19,320 shares of common stock. The Series A Preferred Stock has no expiration date.

Read SEC document
September 25, 2024 Filed Oct 2, 2024 21:53 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 Exercise / conversionCommon Stock 5,312,983 Not disclosed Not disclosed
Disclosure

SEC source: 0001213900-24-084830 · ownership.xml · nonDerivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director · Interim Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,791,808

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On September 25, 2024, the Reporting Person converted an aggregate of 275 shares of Series A Preferred Stock into 5,312,983 shares of Common Stock. Each share of Series A Preferred Stock has a stated value of $1,000 and, at the option of the holder, is convertible into a number of shares of Common Stock determined by dividing (x) the value of the shares of Series A Preferred Stock, plus any additional amounts thereon as of such date of determination, by (y) the conversion price of $1.00. As a result of various adjustments in the terms of the Series A Preferred Stock, each $1,000 of Series A Preferred Stock was converted into 19,320 shares of common stock. The Series A Preferred Stock has no expiration date.

F1 · price: On September 25, 2024, the Reporting Person converted an aggregate of 275 shares of Series A Preferred Stock into 5,312,983 shares of Common Stock. Each share of Series A Preferred Stock has a stated value of $1,000 and, at the option of the holder, is convertible into a number of shares of Common Stock determined by dividing (x) the value of the shares of Series A Preferred Stock, plus any additional amounts thereon as of such date of determination, by (y) the conversion price of $1.00. As a result of various adjustments in the terms of the Series A Preferred Stock, each $1,000 of Series A Preferred Stock was converted into 19,320 shares of common stock. The Series A Preferred Stock has no expiration date.

Read SEC document
June 13, 2024 Filed Jun 13, 2024 18:25 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 GrantStock Option (Right to Buy) · Derivative 800 $0.00 Strike: $1.38 $0.00
Disclosure

SEC source: 0000950170-24-073204 · ownership.xml · derivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 800

Underlying: Common Stock · 800 shares

Expires 2034-06-12

F1 · derivative.exercise_date: The option was granted pursuant to the Issuer's Non-Employee Director Compensation Program. 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.

Read SEC document
March 25, 2024 Filed Mar 27, 2024 21:27 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 GrantStock Option (Right to Buy) · Derivative 572,182 $0.00 Strike: $1.77 $0.00
Disclosure

SEC source: 0001213900-24-026821 · ownership.xml · derivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 572,182

Underlying: Common Stock · 572,182 shares

Expires 2034-03-24

F1 · derivative.exercise_date: The shares underlying this option vest in forty-eight (48) monthly installments following the grant date, subject to the Reporting Person's continued service on each such vesting date.

Read SEC document
February 19, 2024 Filed Feb 21, 2024 17:25 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 GrantStock Option (Right to Buy) · Derivative 2,000 $0.00 Strike: $11.32 $0.00
Disclosure

SEC source: 0001209191-24-003702 · doc4.xml · derivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,000

Underlying: Common Stock · 2,000 shares

Expires 2034-02-18

F1 · derivative.exercise_date: The shares subject to the option will vest in substantially equal monthly installments over 12 months, commencing on February 19, 2024, subject to the Reporting Person's continued service with the Issuer through each vesting date.

Read SEC document
February 14, 2024 Filed Feb 16, 2024 19:37 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 OtherWarrants · Derivative 5,000 $0.00 Strike: $11.50 $0.00
Disclosure

SEC source: 0001213900-24-015026 · ownership.xml · derivative · entry 11

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Common Stock · 5,000 shares

Expires 2029-02-14

F1 · kind: Represents (a) shares of Common Stock, Series A Preferred Stock or warrants, as applicable, distributed-in-kind by Phoenix Biotech Sponsor, LLC (the "Sponsor") to its members without consideration and (b) shares of Common Stock issued by the Issuer to the Reporting Person in connection with the closing of the Issuer's business combination.

Read SEC document
February 14, 2024 Filed Feb 16, 2024 19:37 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 OtherWarrants · Derivative 349,998 $0.00 Strike: $11.50 $0.00
Disclosure

SEC source: 0001213900-24-015026 · ownership.xml · derivative · entry 10

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Phoenix Biotech Sponsor, LLC

Disclosed balance after: 0

Underlying: Common Stock · 349,998 shares

Expires 2029-02-14

F1 · kind: Represents (a) shares of Common Stock, Series A Preferred Stock or warrants, as applicable, distributed-in-kind by Phoenix Biotech Sponsor, LLC (the "Sponsor") to its members without consideration and (b) shares of Common Stock issued by the Issuer to the Reporting Person in connection with the closing of the Issuer's business combination.

F2 · ownership.nature: These securities are held directly by the Sponsor, which was previously managed by the reporting person. As of February 16, 2024, the reporting person was no longer the manager of the Sponsor. 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.

Read SEC document
February 14, 2024 Filed Feb 16, 2024 19:37 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 OtherSeries A Convertible Preferred Stock · Derivative 175 $1,000.00 Strike: $10.00 $175,000.00
Disclosure

SEC source: 0001213900-24-015026 · ownership.xml · derivative · entry 9

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 275

Underlying: Common Stock · 17,500 shares

Expires not disclosed

F1 · kind: Represents (a) shares of Common Stock, Series A Preferred Stock or warrants, as applicable, distributed-in-kind by Phoenix Biotech Sponsor, LLC (the "Sponsor") to its members without consideration and (b) shares of Common Stock issued by the Issuer to the Reporting Person in connection with the closing of the Issuer's business combination.

F4 · derivative.exercise_date: Each share of Series A Preferred Stock has a stated value of $1,000 and, at the option of the holder, is convertible into a number of shares of Common Stock determined by dividing (x) the value of the shares of Series A Preferred Stock, plus any additional amounts thereon as of such date of determination, by (y) the conversion price, which is currently $10.00, subject to adjustments. The Series A Preferred Stock has no expiration date.

F4 · derivative.expiration_date: Each share of Series A Preferred Stock has a stated value of $1,000 and, at the option of the holder, is convertible into a number of shares of Common Stock determined by dividing (x) the value of the shares of Series A Preferred Stock, plus any additional amounts thereon as of such date of determination, by (y) the conversion price, which is currently $10.00, subject to adjustments. The Series A Preferred Stock has no expiration date.

Read SEC document
February 14, 2024 Filed Feb 16, 2024 19:37 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 GrantSeries A Convertible Preferred Stock · Derivative 100 $1,000.00 Strike: $10.00 $100,000.00
Disclosure

SEC source: 0001213900-24-015026 · ownership.xml · derivative · entry 8

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100

Underlying: Common Stock · 10,000 shares

Expires not disclosed

F5 · kind: On February 14, 2024, the reporting person acquired 100 shares of Series A Preferred Stock in a private placement by the Issuer pursuant to the terms of a Securities Purchase Agreement dated as of February 5, 2024, as amended.

F4 · derivative.exercise_date: Each share of Series A Preferred Stock has a stated value of $1,000 and, at the option of the holder, is convertible into a number of shares of Common Stock determined by dividing (x) the value of the shares of Series A Preferred Stock, plus any additional amounts thereon as of such date of determination, by (y) the conversion price, which is currently $10.00, subject to adjustments. The Series A Preferred Stock has no expiration date.

F4 · derivative.expiration_date: Each share of Series A Preferred Stock has a stated value of $1,000 and, at the option of the holder, is convertible into a number of shares of Common Stock determined by dividing (x) the value of the shares of Series A Preferred Stock, plus any additional amounts thereon as of such date of determination, by (y) the conversion price, which is currently $10.00, subject to adjustments. The Series A Preferred Stock has no expiration date.

Read SEC document
February 14, 2024 Filed Feb 16, 2024 19:37 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 OtherSeries A Convertible Preferred Stock · Derivative 1,555 $1,000.00 Strike: $10.00 $1,555,000.00
Disclosure

SEC source: 0001213900-24-015026 · ownership.xml · derivative · entry 7

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Phoenix Biotech Sponsor, LLC

Disclosed balance after: 0

Underlying: Common Stock · 155,500 shares

Expires not disclosed

F1 · kind: Represents (a) shares of Common Stock, Series A Preferred Stock or warrants, as applicable, distributed-in-kind by Phoenix Biotech Sponsor, LLC (the "Sponsor") to its members without consideration and (b) shares of Common Stock issued by the Issuer to the Reporting Person in connection with the closing of the Issuer's business combination.

F4 · derivative.exercise_date: Each share of Series A Preferred Stock has a stated value of $1,000 and, at the option of the holder, is convertible into a number of shares of Common Stock determined by dividing (x) the value of the shares of Series A Preferred Stock, plus any additional amounts thereon as of such date of determination, by (y) the conversion price, which is currently $10.00, subject to adjustments. The Series A Preferred Stock has no expiration date.

F4 · derivative.expiration_date: Each share of Series A Preferred Stock has a stated value of $1,000 and, at the option of the holder, is convertible into a number of shares of Common Stock determined by dividing (x) the value of the shares of Series A Preferred Stock, plus any additional amounts thereon as of such date of determination, by (y) the conversion price, which is currently $10.00, subject to adjustments. The Series A Preferred Stock has no expiration date.

F2 · ownership.nature: These securities are held directly by the Sponsor, which was previously managed by the reporting person. As of February 16, 2024, the reporting person was no longer the manager of the Sponsor. 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.

Read SEC document
February 14, 2024 Filed Feb 16, 2024 19:37 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 Exercise / conversionSeries A Convertible Preferred Stock · Derivative 1,555 $1,000.00 Strike: $10.00 $1,555,000.00
Disclosure

SEC source: 0001213900-24-015026 · ownership.xml · derivative · entry 6

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Phoenix Biotech Sponsor, LLC

Disclosed balance after: 1,555

Underlying: Common Stock · 155,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · kind: Upon closing of the Issuer's business combination, the aggregate principal amount of the Convertible Promissory Note converted into shares of Series A Convertible Preferred Stock (the "Series A Preferred Stock") at a conversion price equal to $10.00.

F4 · derivative.exercise_date: Each share of Series A Preferred Stock has a stated value of $1,000 and, at the option of the holder, is convertible into a number of shares of Common Stock determined by dividing (x) the value of the shares of Series A Preferred Stock, plus any additional amounts thereon as of such date of determination, by (y) the conversion price, which is currently $10.00, subject to adjustments. The Series A Preferred Stock has no expiration date.

F4 · derivative.expiration_date: Each share of Series A Preferred Stock has a stated value of $1,000 and, at the option of the holder, is convertible into a number of shares of Common Stock determined by dividing (x) the value of the shares of Series A Preferred Stock, plus any additional amounts thereon as of such date of determination, by (y) the conversion price, which is currently $10.00, subject to adjustments. The Series A Preferred Stock has no expiration date.

F2 · ownership.nature: These securities are held directly by the Sponsor, which was previously managed by the reporting person. As of February 16, 2024, the reporting person was no longer the manager of the Sponsor. 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.

Read SEC document
February 14, 2024 Filed Feb 16, 2024 19:37 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 Exercise / conversionConvertible Promissory Note · Derivative 0 $0.00 Strike: $10.00 $0.00
Disclosure

SEC source: 0001213900-24-015026 · ownership.xml · derivative · entry 5

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Phoenix Biotech Sponsor, LLC

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · kind: Upon closing of the Issuer's business combination, the aggregate principal amount of the Convertible Promissory Note converted into shares of Series A Convertible Preferred Stock (the "Series A Preferred Stock") at a conversion price equal to $10.00.

F3 · shares: Upon closing of the Issuer's business combination, the aggregate principal amount of the Convertible Promissory Note converted into shares of Series A Convertible Preferred Stock (the "Series A Preferred Stock") at a conversion price equal to $10.00.

F3 · derivative.exercise_date: Upon closing of the Issuer's business combination, the aggregate principal amount of the Convertible Promissory Note converted into shares of Series A Convertible Preferred Stock (the "Series A Preferred Stock") at a conversion price equal to $10.00.

F3 · derivative.expiration_date: Upon closing of the Issuer's business combination, the aggregate principal amount of the Convertible Promissory Note converted into shares of Series A Convertible Preferred Stock (the "Series A Preferred Stock") at a conversion price equal to $10.00.

F3 · derivative.underlying_shares: Upon closing of the Issuer's business combination, the aggregate principal amount of the Convertible Promissory Note converted into shares of Series A Convertible Preferred Stock (the "Series A Preferred Stock") at a conversion price equal to $10.00.

F2 · ownership.nature: These securities are held directly by the Sponsor, which was previously managed by the reporting person. As of February 16, 2024, the reporting person was no longer the manager of the Sponsor. 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.

Read SEC document
February 14, 2024 Filed Feb 16, 2024 19:37 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 OtherCommon Stock 3,600 Not disclosed Not disclosed
Disclosure

SEC source: 0001213900-24-015026 · ownership.xml · nonDerivative · entry 4

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 3,600

F1 · kind: Represents (a) shares of Common Stock, Series A Preferred Stock or warrants, as applicable, distributed-in-kind by Phoenix Biotech Sponsor, LLC (the "Sponsor") to its members without consideration and (b) shares of Common Stock issued by the Issuer to the Reporting Person in connection with the closing of the Issuer's business combination.

F1 · price: Represents (a) shares of Common Stock, Series A Preferred Stock or warrants, as applicable, distributed-in-kind by Phoenix Biotech Sponsor, LLC (the "Sponsor") to its members without consideration and (b) shares of Common Stock issued by the Issuer to the Reporting Person in connection with the closing of the Issuer's business combination.

Read SEC document
February 14, 2024 Filed Feb 16, 2024 19:37 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 OtherCommon Stock 478,825 Not disclosed Not disclosed
Disclosure

SEC source: 0001213900-24-015026 · ownership.xml · nonDerivative · entry 3

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 478,825

F1 · kind: Represents (a) shares of Common Stock, Series A Preferred Stock or warrants, as applicable, distributed-in-kind by Phoenix Biotech Sponsor, LLC (the "Sponsor") to its members without consideration and (b) shares of Common Stock issued by the Issuer to the Reporting Person in connection with the closing of the Issuer's business combination.

F1 · price: Represents (a) shares of Common Stock, Series A Preferred Stock or warrants, as applicable, distributed-in-kind by Phoenix Biotech Sponsor, LLC (the "Sponsor") to its members without consideration and (b) shares of Common Stock issued by the Issuer to the Reporting Person in connection with the closing of the Issuer's business combination.

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February 14, 2024 Filed Feb 16, 2024 19:37 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 OtherCommon Stock 4,171,246 Not disclosed Not disclosed
Disclosure

SEC source: 0001213900-24-015026 · ownership.xml · nonDerivative · entry 2

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Phoenix Biotech Sponsor, LLC

Disclosed balance after: 1,000,000

F1 · kind: Represents (a) shares of Common Stock, Series A Preferred Stock or warrants, as applicable, distributed-in-kind by Phoenix Biotech Sponsor, LLC (the "Sponsor") to its members without consideration and (b) shares of Common Stock issued by the Issuer to the Reporting Person in connection with the closing of the Issuer's business combination.

F1 · price: Represents (a) shares of Common Stock, Series A Preferred Stock or warrants, as applicable, distributed-in-kind by Phoenix Biotech Sponsor, LLC (the "Sponsor") to its members without consideration and (b) shares of Common Stock issued by the Issuer to the Reporting Person in connection with the closing of the Issuer's business combination.

F2 · ownership.nature: These securities are held directly by the Sponsor, which was previously managed by the reporting person. As of February 16, 2024, the reporting person was no longer the manager of the Sponsor. 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.

Read SEC document
February 14, 2024 Filed Feb 16, 2024 19:37 UTC CERO THERAPEUTICS HOLDINGS, INC. CERO · Entity 8622 OtherCommon Stock 1,125,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001213900-24-015026 · ownership.xml · nonDerivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Phoenix Biotech Sponsor, LLC

Disclosed balance after: 4,171,246

F6 · kind: Represents shares of Common Stock forfeited to the Issuer for no consideration in connection with the Issuer's initial business combination.

F6 · price: Represents shares of Common Stock forfeited to the Issuer for no consideration in connection with the Issuer's initial business combination.

F2 · ownership.nature: These securities are held directly by the Sponsor, which was previously managed by the reporting person. As of February 16, 2024, the reporting person was no longer the manager of the Sponsor. 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.

Read SEC document
June 22, 2023 Filed Jun 22, 2023 20:09 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 GrantStock Option (Right to Buy) · Derivative 20,000 $0.00 Strike: $0.82 $0.00
Disclosure

SEC source: 0001209191-23-039193 · doc4.xml · derivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2033-06-21

F1 · derivative.exercise_date: The option was granted pursuant to the Issuer's Non-Employee Director Compensation Program. 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.

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January 20, 2023 Filed Jan 24, 2023 16:07 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 GrantStock Option (Right to Buy) · Derivative 35,938 $0.00 Strike: $0.47 $0.00
Disclosure

SEC source: 0001209191-23-004581 · doc4.xml · derivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,938

Underlying: Common Stock · 35,938 shares

Expires 2033-01-19

F1 · derivative.exercise_date: The shares subject to the option will vest in substantially equal monthly installments over 12 months, commencing on January 20, 2023, subject to the Reporting Person's continued service with the Issuer through each vesting date.

Read SEC document
October 04, 2022 Filed Oct 6, 2022 08:30 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 PurchaseCommon Stock 346 $0.57 $197.22
Disclosure

SEC source: 0001209191-22-052933 · doc4.xml · nonDerivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,213

Read SEC document
September 26, 2022 Filed Sep 27, 2022 08:01 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 PurchaseCommon Stock 18,867 $0.55 $10,376.85
Disclosure

SEC source: 0001209191-22-051313 · doc4.xml · nonDerivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,867

Read SEC document
June 09, 2022 Filed Jun 13, 2022 18:39 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 GrantStock Option (Right to Buy) · Derivative 20,000 $0.00 Strike: $1.65 $0.00
Disclosure

SEC source: 0001209191-22-036443 · doc4.xml · derivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2032-06-08

F1 · derivative.exercise_date: The option was granted pursuant to the Issuer's Non-Employee Director Compensation Program. 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.

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February 18, 2022 Filed Feb 22, 2022 16:59 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 PurchaseCommon Stock 1,000 $4.30 $4,300.00
Disclosure

SEC source: 0001209191-22-011731 · doc4.xml · nonDerivative · entry 2

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,000

Read SEC document
February 14, 2022 Filed Feb 22, 2022 16:59 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 PurchaseCommon Stock 2,000 $4.45 $8,900.00
Disclosure

SEC source: 0001209191-22-011731 · doc4.xml · nonDerivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

F1 · price: 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.

Read SEC document
February 09, 2022 Filed Feb 10, 2022 17:05 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 PurchaseCommon Stock 1,000 $4.75 $4,750.00
Disclosure

SEC source: 0001209191-22-008529 · doc4.xml · nonDerivative · entry 2

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,000

Read SEC document
February 08, 2022 Filed Feb 10, 2022 17:05 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 PurchaseCommon Stock 1,000 $4.92 $4,920.00
Disclosure

SEC source: 0001209191-22-008529 · doc4.xml · nonDerivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,000

Read SEC document
February 04, 2022 Filed Feb 7, 2022 09:00 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 PurchaseCommon Stock 1,000 $5.00 $5,000.00
Disclosure

SEC source: 0001209191-22-007349 · doc4.xml · nonDerivative · entry 2

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,000

Read SEC document
February 03, 2022 Filed Feb 7, 2022 09:00 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 PurchaseCommon Stock 5,000 $5.15 $25,750.00
Disclosure

SEC source: 0001209191-22-007349 · doc4.xml · nonDerivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Read SEC document
January 27, 2022 Filed Jan 31, 2022 17:50 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 PurchaseCommon Stock 5,000 $5.30 $26,515.00
Disclosure

SEC source: 0001209191-22-005721 · doc4.xml · nonDerivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

F1 · price: 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.

Read SEC document
October 08, 2021 Filed Oct 12, 2021 19:36 UTC CERO THERAPEUTICS HOLDINGS, INC. PBAX · Entity 8622 OtherWarrants · Derivative 18,366 $0.00 Strike: $11.50 $0.00
Disclosure

SEC source: 0000899243-21-039941 · doc4.xml · derivative · entry 3

Ehrlich Christopher B · CIK 0001293973 · Director · CEO and Secretary · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Phoenix Biotech Sponsor, LLC

Disclosed balance after: 349,998

Underlying: Class A Common Stock · 18,366 shares

Expires not disclosed

F1 · kind: Acquisition by the issuer's sponsor, Phoenix Biotech Sponsor, LLC (the "Sponsor") in connection with the partial exercise of the underwriters' over-allotment option.

F6 · derivative.exercise_date: 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.

F7 · derivative.expiration_date: 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.

F5 · balance_after: 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.

Read SEC document
October 08, 2021 Filed Oct 12, 2021 19:36 UTC CERO THERAPEUTICS HOLDINGS, INC. PBAX · Entity 8622 OtherClass B Common Stock · Derivative 82,875 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-21-039941 · doc4.xml · derivative · entry 2

Ehrlich Christopher B · CIK 0001293973 · Director · CEO and Secretary · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Phoenix Biotech Sponsor, LLC

Disclosed balance after: 4,596,250

Underlying: Class A Common Stock · 82,875 shares

Expires not disclosed

F3 · derivative.exercise_price: 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.

F4 · kind: Forfeiture and cancellation of shares of Class B common stock for no consideration because the underwriters' over-allotment option was not exercised in full.

F4 · price: Forfeiture and cancellation of shares of Class B common stock for no consideration because the underwriters' over-allotment option was not exercised in full.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

F5 · balance_after: 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.

Read SEC document
October 08, 2021 Filed Oct 12, 2021 19:36 UTC CERO THERAPEUTICS HOLDINGS, INC. PBAX · Entity 8622 OtherClass A common stock 36,733 $10.00 $367,330.00
Disclosure

SEC source: 0000899243-21-039941 · doc4.xml · nonDerivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director · CEO and Secretary · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Phoenix Biotech Sponsor, LLC

Disclosed balance after: 699,996

F1 · kind: Acquisition by the issuer's sponsor, Phoenix Biotech Sponsor, LLC (the "Sponsor") in connection with the partial exercise of the underwriters' over-allotment option.

F2 · shares: These shares underlie the same number of units of the issuer held by the reporting person.

F5 · price: 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.

F2 · balance_after: These shares underlie the same number of units of the issuer held by the reporting person.

F5 · balance_after: 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.

Read SEC document
October 06, 2021 Filed Oct 8, 2021 17:22 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 GrantStock Option (Right to Buy) · Derivative 40,000 $0.00 Strike: $11.36 $0.00
Disclosure

SEC source: 0001209191-21-060079 · doc4.xml · derivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 40,000 shares

Expires 2031-10-05

F1 · derivative.exercise_date: 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.

Read SEC document
August 25, 2021 Filed Aug 27, 2021 18:53 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 ConversionClass B Common Stock · Derivative 1,034 Not disclosed Not disclosed
Disclosure

SEC source: 0001209191-21-053731 · doc4.xml · derivative · entry 6

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Locust Walk Partners LLC

Disclosed balance after: 0

Underlying: Common Stock · 1,034 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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 and such shares of Class A Common Stock were automatically reclassified in shares of common stock.

F3 · price: 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 and such shares of Class A Common Stock were automatically reclassified in shares of common stock.

F3 · derivative.exercise_date: 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 and such shares of Class A Common Stock were automatically reclassified in shares of common stock.

F3 · derivative.expiration_date: 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 and such shares of Class A Common Stock were automatically reclassified in shares of common stock.

F2 · ownership.nature: Represents shares held directly by the Sponsor, of which LWP is a member. LWP has allocated these shares to the reporting person's spouse.

Read SEC document
August 25, 2021 Filed Aug 27, 2021 18:53 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 Disposition to issuerClass B Common Stock · Derivative 966 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-053731 · doc4.xml · derivative · entry 5

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Locust Walk Partners LLC(

Disclosed balance after: 1,034

Underlying: Common Stock · 966 shares

Expires not disclosed

F3 · derivative.exercise_price: 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 and such shares of Class A Common Stock were automatically reclassified in shares of common stock.

F3 · derivative.exercise_date: 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 and such shares of Class A Common Stock were automatically reclassified in shares of common stock.

F4 · derivative.exercise_date: Pursuant to an agreement by and between the Issuer and Locust Walk Sponsor, LLC (the "Sponsor"), concurrent with the consummation of the Merger, these shares of Class B Common Stock were forfeited to the Issuer immediately prior to the Merger.

F3 · derivative.expiration_date: 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 and such shares of Class A Common Stock were automatically reclassified in shares of common stock.

F4 · derivative.expiration_date: Pursuant to an agreement by and between the Issuer and Locust Walk Sponsor, LLC (the "Sponsor"), concurrent with the consummation of the Merger, these shares of Class B Common Stock were forfeited to the Issuer immediately prior to the Merger.

F5 · balance_after: 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.

F2 · ownership.nature: Represents shares held directly by the Sponsor, of which LWP is a member. LWP has allocated these shares to the reporting person's spouse.

Read SEC document
August 25, 2021 Filed Aug 27, 2021 18:53 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 ConversionClass B Common Stock · Derivative 142,168 Not disclosed Not disclosed
Disclosure

SEC source: 0001209191-21-053731 · doc4.xml · derivative · entry 4

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Locust Walk Partners LLC

Disclosed balance after: 0

Underlying: Common Stock · 142,168 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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 and such shares of Class A Common Stock were automatically reclassified in shares of common stock.

F3 · price: 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 and such shares of Class A Common Stock were automatically reclassified in shares of common stock.

F3 · derivative.exercise_date: 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 and such shares of Class A Common Stock were automatically reclassified in shares of common stock.

F3 · derivative.expiration_date: 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 and such shares of Class A Common Stock were automatically reclassified in shares of common stock.

F1 · ownership.nature: 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 person.

Read SEC document
August 25, 2021 Filed Aug 27, 2021 18:53 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 Disposition to issuerClass B Common Stock · Derivative 132,832 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-053731 · doc4.xml · derivative · entry 3

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Locust Walk Partners LLC

Disclosed balance after: 142,168

Underlying: Common Stock · 132,832 shares

Expires not disclosed

F3 · derivative.exercise_price: 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 and such shares of Class A Common Stock were automatically reclassified in shares of common stock.

F4 · derivative.exercise_price: Pursuant to an agreement by and between the Issuer and Locust Walk Sponsor, LLC (the "Sponsor"), concurrent with the consummation of the Merger, these shares of Class B Common Stock were forfeited to the Issuer immediately prior to the Merger.

F3 · derivative.exercise_date: 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 and such shares of Class A Common Stock were automatically reclassified in shares of common stock.

F4 · derivative.exercise_date: Pursuant to an agreement by and between the Issuer and Locust Walk Sponsor, LLC (the "Sponsor"), concurrent with the consummation of the Merger, these shares of Class B Common Stock were forfeited to the Issuer immediately prior to the Merger.

F3 · derivative.expiration_date: 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 and such shares of Class A Common Stock were automatically reclassified in shares of common stock.

F4 · derivative.expiration_date: Pursuant to an agreement by and between the Issuer and Locust Walk Sponsor, LLC (the "Sponsor"), concurrent with the consummation of the Merger, these shares of Class B Common Stock were forfeited to the Issuer immediately prior to the Merger.

F5 · balance_after: 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.

F1 · ownership.nature: 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 person.

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August 25, 2021 Filed Aug 27, 2021 18:53 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 ConversionCommon Stock 1,034 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-053731 · doc4.xml · nonDerivative · entry 2

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Locust Walk Partners LLC

Disclosed balance after: 1,034

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · ownership.nature: Represents shares held directly by the Sponsor, of which LWP is a member. LWP has allocated these shares to the reporting person's spouse.

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August 25, 2021 Filed Aug 27, 2021 18:53 UTC eFFECTOR Therapeutics, Inc. EFTR · Entity 89916 ConversionCommon Stock 142,168 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-053731 · doc4.xml · nonDerivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Locust Walk Partners LLC

Disclosed balance after: 142,168

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · ownership.nature: 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 person.

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January 12, 2021 Filed Jan 14, 2021 19:46 UTC eFFECTOR Therapeutics, Inc. LWAC · Entity 89916 OtherClass B Common Stock · Derivative 23,750 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-21-002103 · doc4.xml · derivative · entry 1

Ehrlich Christopher B · CIK 0001293973 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Indirect · By Locust Walk

Disclosed balance after: 4,511,250

Underlying: Class A Common Stock · 23,750 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · kind: Forfeiture and cancellation of shares of Class B common stock for no consideration because the underwriters' over-allotment option was not exercised in full.

F2 · price: Forfeiture and cancellation of shares of Class B common stock for no consideration because the underwriters' over-allotment option was not exercised in full.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

F3 · balance_after: 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.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.