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GOSS

Gossamer Bio, Inc.

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6928
SEC CIK
0001728117
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228

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Dec 202500
Jan 202600
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Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
March 19, 2026 Filed Mar 20, 2026 20:20 UTC
Peterson CarynEVP, Regulatory Affairs
Disposition to issuerStock Option (Right to Buy) · Derivative 32,334 Not disclosed Strike: $1.36 Not disclosed
Disclosure

SEC source: 0001857256-26-000004 · wk-form4_1774038052.xml · derivative · entry 12

Peterson Caryn · CIK 0001857256 · EVP, Regulatory Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 32,334 shares

Expires 2029-03-25

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:20 UTC
Peterson CarynEVP, Regulatory Affairs
Disposition to issuerStock Option (Right to Buy) · Derivative 9,167 Not disclosed Strike: $1.36 Not disclosed
Disclosure

SEC source: 0001857256-26-000004 · wk-form4_1774038052.xml · derivative · entry 11

Peterson Caryn · CIK 0001857256 · EVP, Regulatory Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,167 shares

Expires 2029-12-23

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:20 UTC
Peterson CarynEVP, Regulatory Affairs
Disposition to issuerStock Option (Right to Buy) · Derivative 22,784 Not disclosed Strike: $1.36 Not disclosed
Disclosure

SEC source: 0001857256-26-000004 · wk-form4_1774038052.xml · derivative · entry 10

Peterson Caryn · CIK 0001857256 · EVP, Regulatory Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 22,784 shares

Expires 2030-02-14

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:20 UTC
Peterson CarynEVP, Regulatory Affairs
Disposition to issuerStock Option (Right to Buy) · Derivative 18,834 Not disclosed Strike: $1.36 Not disclosed
Disclosure

SEC source: 0001857256-26-000004 · wk-form4_1774038052.xml · derivative · entry 9

Peterson Caryn · CIK 0001857256 · EVP, Regulatory Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18,834 shares

Expires 2031-02-25

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:20 UTC
Peterson CarynEVP, Regulatory Affairs
Disposition to issuerStock Option (Right to Buy) · Derivative 21,167 Not disclosed Strike: $1.36 Not disclosed
Disclosure

SEC source: 0001857256-26-000004 · wk-form4_1774038052.xml · derivative · entry 8

Peterson Caryn · CIK 0001857256 · EVP, Regulatory Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 21,167 shares

Expires 2031-04-16

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:20 UTC
Peterson CarynEVP, Regulatory Affairs
Disposition to issuerStock Option (Right to Buy) · Derivative 126,667 Not disclosed Strike: $1.36 Not disclosed
Disclosure

SEC source: 0001857256-26-000004 · wk-form4_1774038052.xml · derivative · entry 7

Peterson Caryn · CIK 0001857256 · EVP, Regulatory Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 126,667 shares

Expires 2032-01-05

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:20 UTC
Peterson CarynEVP, Regulatory Affairs
Disposition to issuerStock Option (Right to Buy) · Derivative 157,500 Not disclosed Strike: $2.16 Not disclosed
Disclosure

SEC source: 0001857256-26-000004 · wk-form4_1774038052.xml · derivative · entry 6

Peterson Caryn · CIK 0001857256 · EVP, Regulatory Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 157,500 shares

Expires 2032-12-06

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:20 UTC
Peterson CarynEVP, Regulatory Affairs
Disposition to issuerStock Option (Right to Buy) · Derivative 157,500 Not disclosed Strike: $1.21 Not disclosed
Disclosure

SEC source: 0001857256-26-000004 · wk-form4_1774038052.xml · derivative · entry 5

Peterson Caryn · CIK 0001857256 · EVP, Regulatory Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 157,500 shares

Expires 2033-03-19

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:20 UTC
Peterson CarynEVP, Regulatory Affairs
Disposition to issuerStock Option (Right to Buy) · Derivative 125,000 Not disclosed Strike: $0.84 Not disclosed
Disclosure

SEC source: 0001857256-26-000004 · wk-form4_1774038052.xml · derivative · entry 4

Peterson Caryn · CIK 0001857256 · EVP, Regulatory Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 125,000 shares

Expires 2033-11-19

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:20 UTC
Peterson CarynEVP, Regulatory Affairs
Disposition to issuerStock Option (Right to Buy) · Derivative 375,000 Not disclosed Strike: $0.97 Not disclosed
Disclosure

SEC source: 0001857256-26-000004 · wk-form4_1774038052.xml · derivative · entry 3

Peterson Caryn · CIK 0001857256 · EVP, Regulatory Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 375,000 shares

Expires 2034-01-01

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:20 UTC
Peterson CarynEVP, Regulatory Affairs
Disposition to issuerStock Option (Right to Buy) · Derivative 440,000 Not disclosed Strike: $1.13 Not disclosed
Disclosure

SEC source: 0001857256-26-000004 · wk-form4_1774038052.xml · derivative · entry 2

Peterson Caryn · CIK 0001857256 · EVP, Regulatory Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 440,000 shares

Expires 2035-03-03

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:20 UTC
Peterson CarynEVP, Regulatory Affairs
Disposition to issuerStock Option (Right to Buy) · Derivative 506,250 Not disclosed Strike: $2.88 Not disclosed
Disclosure

SEC source: 0001857256-26-000004 · wk-form4_1774038052.xml · derivative · entry 1

Peterson Caryn · CIK 0001857256 · EVP, Regulatory Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 506,250 shares

Expires 2036-01-01

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC GrantStock Option (Right to Buy) · Derivative 96,667 Not disclosed Strike: $0.45 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 22

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,667

Underlying: Common Stock · 96,667 shares

Expires 2029-03-25

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · shares: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC GrantStock Option (Right to Buy) · Derivative 47,667 Not disclosed Strike: $0.45 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 21

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,667

Underlying: Common Stock · 47,667 shares

Expires 2030-02-14

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC GrantStock Option (Right to Buy) · Derivative 60,000 Not disclosed Strike: $0.45 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 20

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,000

Underlying: Common Stock · 60,000 shares

Expires 2031-02-25

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC GrantStock Option (Right to Buy) · Derivative 100,000 Not disclosed Strike: $0.45 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 19

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock · 100,000 shares

Expires 2031-09-15

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC GrantStock Option (Right to Buy) · Derivative 176,667 Not disclosed Strike: $0.45 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 18

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 176,667

Underlying: Common Stock · 176,667 shares

Expires 2032-01-05

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC GrantStock Option (Right to Buy) · Derivative 211,500 Not disclosed Strike: $0.45 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 17

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 211,500

Underlying: Common Stock · 211,500 shares

Expires 2032-12-06

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC GrantStock Option (Right to Buy) · Derivative 211,500 Not disclosed Strike: $0.45 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 16

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 211,500

Underlying: Common Stock · 211,500 shares

Expires 2033-03-19

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC GrantStock Option (Right to Buy) · Derivative 181,250 Not disclosed Strike: $0.45 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 15

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 181,250

Underlying: Common Stock · 181,250 shares

Expires 2033-11-19

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC GrantStock Option (Right to Buy) · Derivative 543,750 Not disclosed Strike: $0.45 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 14

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 543,750

Underlying: Common Stock · 543,750 shares

Expires 2034-01-01

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC GrantStock Option (Right to Buy) · Derivative 638,000 Not disclosed Strike: $0.45 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 13

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 638,000

Underlying: Common Stock · 638,000 shares

Expires 2025-03-03

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC GrantStock Option (Right to Buy) · Derivative 693,750 Not disclosed Strike: $0.45 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 12

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 693,750

Underlying: Common Stock · 693,750 shares

Expires 2036-01-01

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC Disposition to issuerStock Option (Right to Buy) · Derivative 96,667 Not disclosed Strike: $1.36 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 11

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 96,667 shares

Expires 2029-03-25

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC Disposition to issuerStock Option (Right to Buy) · Derivative 47,667 Not disclosed Strike: $1.36 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 10

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 47,667 shares

Expires 2030-02-14

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC Disposition to issuerStock Option (Right to Buy) · Derivative 60,000 Not disclosed Strike: $1.36 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 9

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 60,000 shares

Expires 2031-02-25

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC Disposition to issuerStock Option (Right to Buy) · Derivative 100,000 Not disclosed Strike: $1.36 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 8

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 100,000 shares

Expires 2031-09-16

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC Disposition to issuerStock Option (Right to Buy) · Derivative 176,667 Not disclosed Strike: $1.36 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 7

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 176,667 shares

Expires 2032-01-05

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC Disposition to issuerStock Option (Right to Buy) · Derivative 211,500 Not disclosed Strike: $2.16 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 6

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 211,500 shares

Expires 2032-12-06

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC Disposition to issuerStock Option (Right to Buy) · Derivative 211,500 Not disclosed Strike: $1.21 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 5

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 211,500 shares

Expires 2033-03-19

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

Read SEC document
March 19, 2026 Filed Mar 20, 2026 20:16 UTC Disposition to issuerStock Option (Right to Buy) · Derivative 181,250 Not disclosed Strike: $0.84 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 4

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 181,250 shares

Expires 2033-11-19

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

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March 19, 2026 Filed Mar 20, 2026 20:16 UTC Disposition to issuerStock Option (Right to Buy) · Derivative 543,750 Not disclosed Strike: $0.97 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 3

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 543,750 shares

Expires 2034-01-01

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

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March 19, 2026 Filed Mar 20, 2026 20:16 UTC Disposition to issuerStock Option (Right to Buy) · Derivative 638,000 Not disclosed Strike: $1.13 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 2

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 638,000 shares

Expires 2035-03-03

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

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March 19, 2026 Filed Mar 20, 2026 20:16 UTC Disposition to issuerStock Option (Right to Buy) · Derivative 693,750 Not disclosed Strike: $2.88 Not disclosed
Disclosure

SEC source: 0001740847-26-000004 · wk-form4_1774037809.xml · derivative · entry 1

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 693,750 shares

Expires 2036-01-01

F1 · kind: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F1 · price: Effective as of March 19, 2026 (the "Repricing Date"), the Issuer approved a one-time repricing of certain outstanding stock options (the "Repriced Options") granted under the Issuer's 2019 Incentive Award Plan (the "2019 Plan"), which reduced the per share exercise price of each Repriced Option to $0.45 (the "Option Repricing"). Except as modified by the Option Repricing, all other terms and conditions of the Repriced Options, including, without limitation, any provisions with respect to vesting and term of the Repriced Options, remain in full force and effect.

F2 · derivative.exercise_date: This stock option award was issued pursuant to the 2019 Plan and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

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January 02, 2026 Filed Jan 5, 2026 21:38 UTC
Smith Robert Paul JRChief Commercial Officer
GrantStock Option (Right to Buy) · Derivative 562,500 $0.00 Strike: $2.88 $0.00
Disclosure

SEC source: 0002003059-26-000003 · wk-form4_1767649136.xml · derivative · entry 3

Smith Robert Paul JR · CIK 0002003059 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 562,500

Underlying: Common Stock · 562,500 shares

Expires 2036-01-01

F2 · derivative.exercise_date: 25% of the total number of shares subject to the option will vest on January 2, 2027 and 1/48th of the total number of shares subject to the option vest on the last day of each one-month period thereafter, subject to the Reporting Person's continuous service to the Issuer on each such vesting date.

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January 02, 2026 Filed Jan 5, 2026 21:38 UTC
Smith Robert Paul JRChief Commercial Officer
GrantCommon Stock 93,750 $0.00 $0.00
Disclosure

SEC source: 0002003059-26-000003 · wk-form4_1767649136.xml · nonDerivative · entry 1

Smith Robert Paul JR · CIK 0002003059 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 260,898

F1 · shares: Represents restricted stock unit award, which will vest in four equal annual installments in accordance with the terms of the award and subject to the Reporting Person's continuous service to the Issuer on each vesting date.

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January 02, 2026 Filed Jan 5, 2026 21:40 UTC
Hasnain FaheemDirector · President & CEO
GrantStock Option (Right to Buy) · Derivative 1,680,000 $0.00 Strike: $2.88 $0.00
Disclosure

SEC source: 0001352620-26-000002 · wk-form4_1767649212.xml · derivative · entry 3

Hasnain Faheem · CIK 0001352620 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,680,000

Underlying: Common Stock · 1,680,000 shares

Expires 2036-01-01

F2 · derivative.exercise_date: 25% of the total number of shares subject to the option will vest on January 2, 2027 and 1/48th of the total number of shares subject to the option vest on the last day of each one-month period thereafter, subject to the Reporting Person's continuous service to the Issuer on each such vesting date.

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January 02, 2026 Filed Jan 5, 2026 21:40 UTC
Hasnain FaheemDirector · President & CEO
GrantCommon Stock 280,000 $0.00 $0.00
Disclosure

SEC source: 0001352620-26-000002 · wk-form4_1767649212.xml · nonDerivative · entry 1

Hasnain Faheem · CIK 0001352620 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 837,793

F1 · shares: Represents restricted stock unit award, which will vest in four equal annual installments in accordance with the terms of the award and subject to the Reporting Person's continuous service to the Issuer on each vesting date.

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January 02, 2026 Filed Jan 5, 2026 21:35 UTC
Christian WaageEVP, Tech Ops and Admin
GrantStock Option (Right to Buy) · Derivative 506,250 $0.00 Strike: $2.88 $0.00
Disclosure

SEC source: 0001553179-26-000002 · wk-form4_1767648900.xml · derivative · entry 4

Christian Waage · CIK 0001553179 · EVP, Tech Ops and Admin

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 506,250

Underlying: Common Stock · 506,250 shares

Expires 2036-01-01

F2 · derivative.exercise_date: 25% of the total number of shares subject to the option will vest on January 2, 2027 and 1/48th of the total number of shares subject to the option vest on the last day of each one-month period thereafter, subject to the Reporting Person's continuous service to the Issuer on each such vesting date.

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January 02, 2026 Filed Jan 5, 2026 21:35 UTC
Christian WaageEVP, Tech Ops and Admin
GrantCommon Stock 84,500 $0.00 $0.00
Disclosure

SEC source: 0001553179-26-000002 · wk-form4_1767648900.xml · nonDerivative · entry 1

Christian Waage · CIK 0001553179 · EVP, Tech Ops and Admin

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 814,061

F1 · shares: Represents restricted stock unit award, which will vest in four equal annual installments in accordance with the terms of the award and subject to the Reporting Person's continuous service to the Issuer on each vesting date.

Read SEC document
January 02, 2026 Filed Jan 5, 2026 21:39 UTC GrantStock Option (Right to Buy) · Derivative 693,750 $0.00 Strike: $2.88 $0.00
Disclosure

SEC source: 0001740847-26-000002 · wk-form4_1767649172.xml · derivative · entry 3

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 693,750

Underlying: Common Stock · 693,750 shares

Expires 2036-01-01

F2 · derivative.exercise_date: 25% of the total number of shares subject to the option will vest on January 2, 2027 and 1/48th of the total number of shares subject to the option vest on the last day of each one-month period thereafter, subject to the Reporting Person's continuous service to the Issuer on each such vesting date.

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January 02, 2026 Filed Jan 5, 2026 21:39 UTC GrantCommon Stock 115,750 $0.00 $0.00
Disclosure

SEC source: 0001740847-26-000002 · wk-form4_1767649172.xml · nonDerivative · entry 1

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 389,737

F1 · shares: Represents restricted stock unit award, which will vest in four equal annual installments in accordance with the terms of the award and subject to the Reporting Person's continuous service to the Issuer on each vesting date.

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January 02, 2026 Filed Jan 5, 2026 21:38 UTC
Aranda RichardChief Medical Officer
GrantStock Option (Right to Buy) · Derivative 562,500 $0.00 Strike: $2.88 $0.00
Disclosure

SEC source: 0001867872-26-000002 · wk-form4_1767649091.xml · derivative · entry 3

Aranda Richard · CIK 0001867872 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 562,500

Underlying: Common Stock · 562,500 shares

Expires 2036-01-01

F2 · derivative.exercise_date: 25% of the total number of shares subject to the option will vest on January 2, 2027 and 1/48th of the total number of shares subject to the option vest on the last day of each one-month period thereafter, subject to the Reporting Person's continuous service to the Issuer on each such vesting date.

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January 02, 2026 Filed Jan 5, 2026 21:38 UTC
Aranda RichardChief Medical Officer
GrantCommon Stock 93,750 $0.00 $0.00
Disclosure

SEC source: 0001867872-26-000002 · wk-form4_1767649091.xml · nonDerivative · entry 1

Aranda Richard · CIK 0001867872 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 463,106

F1 · shares: Represents restricted stock unit award, which will vest in four equal annual installments in accordance with the terms of the award and subject to the Reporting Person's continuous service to the Issuer on each vesting date.

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January 02, 2026 Filed Jan 5, 2026 21:37 UTC
Peterson CarynEVP, Regulatory Affairs
GrantStock Option (Right to Buy) · Derivative 506,250 $0.00 Strike: $2.88 $0.00
Disclosure

SEC source: 0001857256-26-000002 · wk-form4_1767649034.xml · derivative · entry 2

Peterson Caryn · CIK 0001857256 · EVP, Regulatory Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 506,250

Underlying: Common Stock · 506,250 shares

Expires 2036-01-01

F2 · derivative.exercise_date: 25% of the total number of shares subject to the option will vest on January 2, 2027 and 1/48th of the total number of shares subject to the option vest on the last day of each one-month period thereafter, subject to the Reporting Person's continuous service to the Issuer on each such vesting date.

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January 02, 2026 Filed Jan 5, 2026 21:37 UTC
Peterson CarynEVP, Regulatory Affairs
GrantCommon Stock 84,500 $0.00 $0.00
Disclosure

SEC source: 0001857256-26-000002 · wk-form4_1767649034.xml · nonDerivative · entry 1

Peterson Caryn · CIK 0001857256 · EVP, Regulatory Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 259,333

F1 · shares: Represents restricted stock unit award, which will vest in four equal annual installments in accordance with the terms of the award and subject to the Reporting Person's continuous service to the Issuer on each vesting date.

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October 01, 2025 Filed Oct 2, 2025 20:13 UTC
Smith Robert Paul JRChief Commercial Officer
GrantCommon Stock 162,500 $0.00 $0.00
Disclosure

SEC source: 0002003059-25-000004 · wk-form4_1759436021.xml · nonDerivative · entry 1

Smith Robert Paul JR · CIK 0002003059 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 162,500

F1 · shares: Represents performance stock unit award, which will vest in full upon the earlier of (i) the approval of a new drug application for seralutinib or (ii) a change in control, in either case on or prior to the fourth anniversary of the grant date, and subject to the Reporting Person's continuous service to the Issuer.

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October 01, 2025 Filed Oct 2, 2025 20:13 UTC
Hasnain FaheemDirector · President & CEO
GrantCommon Stock 437,500 $0.00 $0.00
Disclosure

SEC source: 0001352620-25-000004 · wk-form4_1759435995.xml · nonDerivative · entry 1

Hasnain Faheem · CIK 0001352620 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 557,793

F1 · shares: Represents performance stock unit award, which will vest in full upon the earlier of (i) the approval of a new drug application for seralutinib or (ii) a change in control, in either case on or prior to the fourth anniversary of the grant date, and subject to the Reporting Person's continuous service to the Issuer.

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October 01, 2025 Filed Oct 2, 2025 20:13 UTC
Christian WaageEVP, Tech Ops and Admin
GrantCommon Stock 125,000 $0.00 $0.00
Disclosure

SEC source: 0001553179-25-000004 · wk-form4_1759436015.xml · nonDerivative · entry 1

Christian Waage · CIK 0001553179 · EVP, Tech Ops and Admin

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 710,934

F1 · shares: Represents performance stock unit award, which will vest in full upon the earlier of (i) the approval of a new drug application for seralutinib or (ii) a change in control, in either case on or prior to the fourth anniversary of the grant date, and subject to the Reporting Person's continuous service to the Issuer.

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October 01, 2025 Filed Oct 2, 2025 20:13 UTC GrantCommon Stock 181,250 $0.00 $0.00
Disclosure

SEC source: 0001740847-25-000003 · wk-form4_1759436009.xml · nonDerivative · entry 1

Giraudo Bryan · CIK 0001740847 · COO/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 273,987

F1 · shares: Represents performance stock unit award, which will vest in full upon the earlier of (i) the approval of a new drug application for seralutinib or (ii) a change in control, in either case on or prior to the fourth anniversary of the grant date, and subject to the Reporting Person's continuous service to the Issuer.

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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.