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person · Reporting owner

Lizzul Paul F.

Disclosed activity across 3 companies

Tapewire entity
22253
SEC CIK
0001711462

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
ANAPTYSBIO, INCANAB · Entity 4640Chief Medical OfficerMarch 12, 2026August 07, 2026
First Tracks Biotherapeutics, Inc.TRAX · Entity 4696Chief Medical OfficerAugust 15, 2026August 18, 2026
Sienna Biopharmaceuticals, Inc.SNNA · Entity 154554Chief Medical OfficerAugust 06, 2019August 08, 2019

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.

ANAPTYSBIO, INC

Report date March 12, 2026 · Filed August 07, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Performance Stock UnitsSEC Table II · derivative / convertible securityDirect16,667 Reported balance After 2026-03-12 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-03-12 · Grant · Acquired 16,667 · Balance 16,667

F1: Represents performance-based restricted stock units ("PSUs") that were earned by the Reporting Person upon the achievement of certain performance criteria as certified by the Compensation Committee of the Issuer's Board of Directors on March 12, 2026.

F2: Each PSU represents a conditional right to receive one share of the Issuer's Common Stock.

F3: The PSUs vest and settle over two years; 50% vests on March 12, 2027 and 50% vests on March 12, 2028, subject to the continuing service of the Reporting Person on each vesting date.

Filing footnotes · ownership attribution and instrument terms

F1: Represents performance-based restricted stock units ("PSUs") that were earned by the Reporting Person upon the achievement of certain performance criteria as certified by the Compensation Committee of the Issuer's Board of Directors on March 12, 2026.

F2: Each PSU represents a conditional right to receive one share of the Issuer's Common Stock.

F3: The PSUs vest and settle over two years; 50% vests on March 12, 2027 and 50% vests on March 12, 2028, subject to the continuing service of the Reporting Person on each vesting date.

First Tracks Biotherapeutics, Inc.

Report date August 15, 2026 · Filed August 18, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Performance Stock UnitsSEC Table II · derivative / convertible securityDirect137,651 Reported balance After 2026-08-15 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-08-15 · Grant · Acquired 60,492 · Balance 137,651

F1: Represents performance-based restricted stock units ("PSUs") that were earned by the Reporting Person upon the achievement of certain performance criteria as certified by the Compensation Committee of the Issuer's Board of Directors on August 15, 2026.

F2: Each PSU represents a conditional right to receive one share of the Issuer's Common Stock.

F3: The PSUs vest and settle over two years; 50% vests on August 15, 2027 and 50% vests on July 1, 2028, subject to the continuing service of the Reporting Person on each vesting date.

Filing footnotes · ownership attribution and instrument terms

F1: Represents performance-based restricted stock units ("PSUs") that were earned by the Reporting Person upon the achievement of certain performance criteria as certified by the Compensation Committee of the Issuer's Board of Directors on August 15, 2026.

F2: Each PSU represents a conditional right to receive one share of the Issuer's Common Stock.

F3: The PSUs vest and settle over two years; 50% vests on August 15, 2027 and 50% vests on July 1, 2028, subject to the continuing service of the Reporting Person on each vesting date.

Sienna Biopharmaceuticals, Inc.

Report date August 06, 2019 · Filed August 08, 2019

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect196,488 Reported balance After 2019-08-06 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2019-08-06 · Grant · Acquired 55,000 · Balance 196,488

F1: Award of restricted stock units ("RSUs") granted under the Issuer's 2017 Incentive Award Plan. Each RSU entitles the Reporting Person to receive one share of Issuer common stock upon vesting. The award vests as to fifty percent (50%) of the total number of RSUs on February 6, 2020, twenty-five percent (25%) of the total number of RSUs on August 6, 2020, and the remaining twenty-five percent (25%) of the total number of RSUs on February 6, 2021, in each case, subject to the Reporting Person's continued employment or service relationship with the Issuer through the applicable vesting date.

F2: Includes a total of 5,949 shares of the Issuer's common stock acquired pursuant to the Issuer's Employee Stock Purchase Plan.

Stock Options (Right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $15.08 · Expires 2028-06-01Direct0 Reported balance After 2019-08-06 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2019-08-06 · Disposition to issuer · Disposed 48,720 · Balance 0

F4: The transaction reported herein reflect a one-time stock option repricing (the "Option Repricing") that became effective on August 6, 2019 and are being reported in this manner solely to comply with the technical reporting requirements under Section 16(a) of the Securities Exchange Act of 1934. Pursuant to the Option Repricing, the exercise price of each relevant option has been amended to reduce such exercise price to $0.71. There have been no other changes to the terms of the relevant options.

F5: Twenty-Five percent (25%) of the shares subject to the option vest and become exercisable on the first anniversary measured from June 1, 2018, and the remaining shares subject to the option vest and become exercisable in 36 successive, equal monthly installments thereafter, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.

Stock Options (Right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $15.00 · Expires 2027-07-26Direct0 Reported balance After 2019-08-06 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2019-08-06 · Disposition to issuer · Disposed 11,926 · Balance 0

F4: The transaction reported herein reflect a one-time stock option repricing (the "Option Repricing") that became effective on August 6, 2019 and are being reported in this manner solely to comply with the technical reporting requirements under Section 16(a) of the Securities Exchange Act of 1934. Pursuant to the Option Repricing, the exercise price of each relevant option has been amended to reduce such exercise price to $0.71. There have been no other changes to the terms of the relevant options.

F6: Twenty-Five percent (25%) of the share subject to the option vest and become exercisable on the first anniversary measured from July 26, 2017, and the remaining shares subject to the option vest and become exercisable in 36 successive, equal monthly installments thereafter, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.

Stock Options (Right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $2.32 · Expires 2029-01-01Direct0 Reported balance After 2019-08-06 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2019-08-06 · Disposition to issuer · Disposed 14,904 · Balance 0

F4: The transaction reported herein reflect a one-time stock option repricing (the "Option Repricing") that became effective on August 6, 2019 and are being reported in this manner solely to comply with the technical reporting requirements under Section 16(a) of the Securities Exchange Act of 1934. Pursuant to the Option Repricing, the exercise price of each relevant option has been amended to reduce such exercise price to $0.71. There have been no other changes to the terms of the relevant options.

Stock Options (Right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $2.32 · Expires 2029-01-01Direct0 Reported balance After 2019-08-06 transaction · row 6 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 6 · 2019-08-06 · Disposition to issuer · Disposed 22,500 · Balance 0

F4: The transaction reported herein reflect a one-time stock option repricing (the "Option Repricing") that became effective on August 6, 2019 and are being reported in this manner solely to comply with the technical reporting requirements under Section 16(a) of the Securities Exchange Act of 1934. Pursuant to the Option Repricing, the exercise price of each relevant option has been amended to reduce such exercise price to $0.71. There have been no other changes to the terms of the relevant options.

F7: Twenty percent (20%) of the shares subject to the option vest and become exercisable upon satisfaction of one performance-based milestone, forty percent (40%) of the shares vest and become exercisable upon satisfaction of a second performance-based milestone, and the remaining forty percent (40%) of the shares vest and become exercisable upon satisfaction of a third performance-based milestone, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.

Stock Options (Right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $2.32 · Expires 2029-01-01Direct0 Reported balance After 2019-08-06 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2019-08-06 · Disposition to issuer · Disposed 22,500 · Balance 0

F4: The transaction reported herein reflect a one-time stock option repricing (the "Option Repricing") that became effective on August 6, 2019 and are being reported in this manner solely to comply with the technical reporting requirements under Section 16(a) of the Securities Exchange Act of 1934. Pursuant to the Option Repricing, the exercise price of each relevant option has been amended to reduce such exercise price to $0.71. There have been no other changes to the terms of the relevant options.

F8: Twenty-five percent (25%) of the shares subject to the option vest and become exercisable on July 1,2019, twenty-five percent (25%) of the shares vest and become exercisable on January 1, 2020, and the remaining shares vest and become exercisable in 12 successive, equal monthly installments thereafter, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.

Stock Options (Right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $0.71 · Expires 2027-07-26Direct11,926 Reported balance After 2019-08-06 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2019-08-06 · Grant · Acquired 11,926 · Balance 11,926

F4: The transaction reported herein reflect a one-time stock option repricing (the "Option Repricing") that became effective on August 6, 2019 and are being reported in this manner solely to comply with the technical reporting requirements under Section 16(a) of the Securities Exchange Act of 1934. Pursuant to the Option Repricing, the exercise price of each relevant option has been amended to reduce such exercise price to $0.71. There have been no other changes to the terms of the relevant options.

F6: Twenty-Five percent (25%) of the share subject to the option vest and become exercisable on the first anniversary measured from July 26, 2017, and the remaining shares subject to the option vest and become exercisable in 36 successive, equal monthly installments thereafter, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.

Stock Options (Right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $0.71 · Expires 2028-06-01Direct48,720 Reported balance After 2019-08-06 transaction · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · 2019-08-06 · Grant · Acquired 48,720 · Balance 48,720

F4: The transaction reported herein reflect a one-time stock option repricing (the "Option Repricing") that became effective on August 6, 2019 and are being reported in this manner solely to comply with the technical reporting requirements under Section 16(a) of the Securities Exchange Act of 1934. Pursuant to the Option Repricing, the exercise price of each relevant option has been amended to reduce such exercise price to $0.71. There have been no other changes to the terms of the relevant options.

F5: Twenty-Five percent (25%) of the shares subject to the option vest and become exercisable on the first anniversary measured from June 1, 2018, and the remaining shares subject to the option vest and become exercisable in 36 successive, equal monthly installments thereafter, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.

Stock Options (Right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $0.71 · Expires 2029-01-01Direct14,904 Reported balance After 2019-08-06 transaction · row 10 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 10 · 2019-08-06 · Grant · Acquired 14,904 · Balance 14,904

F4: The transaction reported herein reflect a one-time stock option repricing (the "Option Repricing") that became effective on August 6, 2019 and are being reported in this manner solely to comply with the technical reporting requirements under Section 16(a) of the Securities Exchange Act of 1934. Pursuant to the Option Repricing, the exercise price of each relevant option has been amended to reduce such exercise price to $0.71. There have been no other changes to the terms of the relevant options.

Stock Options (Right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $0.71 · Expires 2029-01-01Direct22,500 Reported balance After 2019-08-06 transaction · row 11 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 11 · 2019-08-06 · Grant · Acquired 22,500 · Balance 22,500

F4: The transaction reported herein reflect a one-time stock option repricing (the "Option Repricing") that became effective on August 6, 2019 and are being reported in this manner solely to comply with the technical reporting requirements under Section 16(a) of the Securities Exchange Act of 1934. Pursuant to the Option Repricing, the exercise price of each relevant option has been amended to reduce such exercise price to $0.71. There have been no other changes to the terms of the relevant options.

F7: Twenty percent (20%) of the shares subject to the option vest and become exercisable upon satisfaction of one performance-based milestone, forty percent (40%) of the shares vest and become exercisable upon satisfaction of a second performance-based milestone, and the remaining forty percent (40%) of the shares vest and become exercisable upon satisfaction of a third performance-based milestone, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.

Stock Options (Right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $0.71 · Expires 2029-01-01Direct22,500 Reported balance After 2019-08-06 transaction · row 12 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 12 · 2019-08-06 · Grant · Acquired 22,500 · Balance 22,500

F4: The transaction reported herein reflect a one-time stock option repricing (the "Option Repricing") that became effective on August 6, 2019 and are being reported in this manner solely to comply with the technical reporting requirements under Section 16(a) of the Securities Exchange Act of 1934. Pursuant to the Option Repricing, the exercise price of each relevant option has been amended to reduce such exercise price to $0.71. There have been no other changes to the terms of the relevant options.

F8: Twenty-five percent (25%) of the shares subject to the option vest and become exercisable on July 1,2019, twenty-five percent (25%) of the shares vest and become exercisable on January 1, 2020, and the remaining shares vest and become exercisable in 12 successive, equal monthly installments thereafter, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.

Common StockSEC Table I · non-derivativeIndirectSee Footnote10,557 Reported balance Holding disclosure · report date 2019-08-06 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 10,557

F3: The shares are directly held by Lizzul Living Trust.

Filing footnotes · ownership attribution and instrument terms

F1: Award of restricted stock units ("RSUs") granted under the Issuer's 2017 Incentive Award Plan. Each RSU entitles the Reporting Person to receive one share of Issuer common stock upon vesting. The award vests as to fifty percent (50%) of the total number of RSUs on February 6, 2020, twenty-five percent (25%) of the total number of RSUs on August 6, 2020, and the remaining twenty-five percent (25%) of the total number of RSUs on February 6, 2021, in each case, subject to the Reporting Person's continued employment or service relationship with the Issuer through the applicable vesting date.

F2: Includes a total of 5,949 shares of the Issuer's common stock acquired pursuant to the Issuer's Employee Stock Purchase Plan.

F3: The shares are directly held by Lizzul Living Trust.

F4: The transaction reported herein reflect a one-time stock option repricing (the "Option Repricing") that became effective on August 6, 2019 and are being reported in this manner solely to comply with the technical reporting requirements under Section 16(a) of the Securities Exchange Act of 1934. Pursuant to the Option Repricing, the exercise price of each relevant option has been amended to reduce such exercise price to $0.71. There have been no other changes to the terms of the relevant options.

F5: Twenty-Five percent (25%) of the shares subject to the option vest and become exercisable on the first anniversary measured from June 1, 2018, and the remaining shares subject to the option vest and become exercisable in 36 successive, equal monthly installments thereafter, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.

F6: Twenty-Five percent (25%) of the share subject to the option vest and become exercisable on the first anniversary measured from July 26, 2017, and the remaining shares subject to the option vest and become exercisable in 36 successive, equal monthly installments thereafter, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.

F7: Twenty percent (20%) of the shares subject to the option vest and become exercisable upon satisfaction of one performance-based milestone, forty percent (40%) of the shares vest and become exercisable upon satisfaction of a second performance-based milestone, and the remaining forty percent (40%) of the shares vest and become exercisable upon satisfaction of a third performance-based milestone, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.

F8: Twenty-five percent (25%) of the shares subject to the option vest and become exercisable on July 1,2019, twenty-five percent (25%) of the shares vest and become exercisable on January 1, 2020, and the remaining shares vest and become exercisable in 12 successive, equal monthly installments thereafter, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.

Transaction history

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Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 15, 2026 Filed Aug 18, 2026 20:05 UTC First Tracks Biotherapeutics, Inc. TRAX · Entity 4696 GrantPerformance Stock Units · Derivative 60,492 $0.00 $0.00
Disclosure

SEC source: 0001711462-26-000014 · form4-08182026_040804.xml · derivative · entry 1

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 137,651

Underlying: Common Stock · 60,492 shares

Expires not disclosed

F1 · security: Represents performance-based restricted stock units ("PSUs") that were earned by the Reporting Person upon the achievement of certain performance criteria as certified by the Compensation Committee of the Issuer's Board of Directors on August 15, 2026.

F2 · derivative.exercise_price: Each PSU represents a conditional right to receive one share of the Issuer's Common Stock.

F3 · derivative.exercise_date: The PSUs vest and settle over two years; 50% vests on August 15, 2027 and 50% vests on July 1, 2028, subject to the continuing service of the Reporting Person on each vesting date.

F3 · derivative.expiration_date: The PSUs vest and settle over two years; 50% vests on August 15, 2027 and 50% vests on July 1, 2028, subject to the continuing service of the Reporting Person on each vesting date.

Read SEC document
August 02, 2026 Filed Aug 5, 2026 22:25 UTC First Tracks Biotherapeutics, Inc. TRAX · Entity 4696 GrantPerformance Stock Units · Derivative 60,492 $0.00 $0.00
Disclosure

SEC source: 0001711462-26-000011 · form4-08052026_100845.xml · derivative · entry 1

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,159

Underlying: Common Stock · 60,492 shares

Expires not disclosed

F1 · security: Represents performance-based restricted stock units ("PSUs") that were earned by the Reporting Person upon the achievement of certain performance criteria as certified by the Compensation Committee of the Issuer's Board of Directors on August 2, 2026.

F2 · derivative.exercise_price: Each PSU represents a conditional right to receive one share of the Issuer's Common Stock.

F3 · derivative.exercise_date: The PSUs vest and settle over two years; 50% vests on August 2, 2027 and 50% vests on July 1, 2028, subject to the continuing service of the Reporting Person on each vesting date.

F3 · derivative.expiration_date: The PSUs vest and settle over two years; 50% vests on August 2, 2027 and 50% vests on July 1, 2028, subject to the continuing service of the Reporting Person on each vesting date.

Read SEC document
May 12, 2026 Filed May 14, 2026 20:05 UTC First Tracks Biotherapeutics, Inc. TRAX · Entity 4696 GrantEmployee Stock Option (right to buy) · Derivative 72,300 $0.00 Strike: $17.81 $0.00
Disclosure

SEC source: 0001711462-26-000010 · form4-05142026_040501.xml · derivative · entry 2

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,300

Underlying: Common Stock · 72,300 shares

Expires 2036-05-11

F3 · derivative.exercise_date: The stock option vests as to 25% of the total shares on May 12, 2027, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F4 · balance_after: In addition to the options to purchase a total of 72,300 shares of common stock as set forth in Table II, the Reporting Person also holds additional options to purchase up to an aggregate of 507,310 shares of common stock, which options vest according to their terms.

Read SEC document
May 12, 2026 Filed May 14, 2026 20:05 UTC First Tracks Biotherapeutics, Inc. TRAX · Entity 4696 GrantRestricted Stock Unit · Derivative 26,700 $0.00 $0.00
Disclosure

SEC source: 0001711462-26-000010 · form4-05142026_040501.xml · derivative · entry 1

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,700

Underlying: Common Stock · 26,700 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F2 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on May 12, 2027 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F2 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on May 12, 2027 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
April 20, 2026 Filed Apr 22, 2026 20:05 UTC First Tracks Biotherapeutics, Inc. TRAX · Entity 4696 GrantRestricted Stock Unit · Derivative 21,400 $0.00 $0.00
Disclosure

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 12

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,400

Underlying: Common Stock · 21,400 shares

Expires not disclosed

F7 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F8 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation Agreement, each outstanding RSU with respect to AnaptysBio shares of common stock was adjusted so that such RSU became an RSU with respect to First Tracks shares of common stock and an RSU with respect to AnaptysBio's shares of common stock. As a result, the Reporting Person acquired RSU s with respect to First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F12 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2027 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F12 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2027 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
April 20, 2026 Filed Apr 22, 2026 20:05 UTC First Tracks Biotherapeutics, Inc. TRAX · Entity 4696 GrantRestricted Stock Unit · Derivative 25,575 $0.00 $0.00
Disclosure

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 11

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,575

Underlying: Common Stock · 25,575 shares

Expires not disclosed

F7 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F8 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation Agreement, each outstanding RSU with respect to AnaptysBio shares of common stock was adjusted so that such RSU became an RSU with respect to First Tracks shares of common stock and an RSU with respect to AnaptysBio's shares of common stock. As a result, the Reporting Person acquired RSU s with respect to First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F11 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 7, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F11 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 7, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
April 20, 2026 Filed Apr 22, 2026 20:05 UTC First Tracks Biotherapeutics, Inc. TRAX · Entity 4696 GrantRestricted Stock Unit · Derivative 21,110 $0.00 $0.00
Disclosure

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 10

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,110

Underlying: Common Stock · 21,110 shares

Expires not disclosed

F7 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F8 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation Agreement, each outstanding RSU with respect to AnaptysBio shares of common stock was adjusted so that such RSU became an RSU with respect to First Tracks shares of common stock and an RSU with respect to AnaptysBio's shares of common stock. As a result, the Reporting Person acquired RSU s with respect to First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F10 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 3, 2025 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F10 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 3, 2025 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
April 20, 2026 Filed Apr 22, 2026 20:05 UTC First Tracks Biotherapeutics, Inc. TRAX · Entity 4696 GrantRestricted Stock Unit · Derivative 6,145 $0.00 $0.00
Disclosure

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 9

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,145

Underlying: Common Stock · 6,145 shares

Expires not disclosed

F7 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F8 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation Agreement, each outstanding RSU with respect to AnaptysBio shares of common stock was adjusted so that such RSU became an RSU with respect to First Tracks shares of common stock and an RSU with respect to AnaptysBio's shares of common stock. As a result, the Reporting Person acquired RSU s with respect to First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F9 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2024 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F9 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2024 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
April 20, 2026 Filed Apr 22, 2026 20:05 UTC First Tracks Biotherapeutics, Inc. TRAX · Entity 4696 GrantStock Option (right to buy) · Derivative 29,000 $0.00 Strike: $11.75 $0.00
Disclosure

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 8

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,000

Underlying: Common Stock · 29,000 shares

Expires 2036-01-06

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F6 · derivative.exercise_date: The stock option vests as to 25% of the total shares on January 6, 2027, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

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April 20, 2026 Filed Apr 22, 2026 20:05 UTC First Tracks Biotherapeutics, Inc. TRAX · Entity 4696 GrantStock Option (right to buy) · Derivative 97,200 $0.00 Strike: $3.97 $0.00
Disclosure

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 7

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,200

Underlying: Common Stock · 97,200 shares

Expires 2035-01-06

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F5 · derivative.exercise_date: The stock option vests as to 25% of the total shares on January 7, 2026, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
April 20, 2026 Filed Apr 22, 2026 20:05 UTC First Tracks Biotherapeutics, Inc. TRAX · Entity 4696 GrantStock Option (right to buy) · Derivative 115,540 $0.00 Strike: $5.67 $0.00
Disclosure

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 6

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,540

Underlying: Common Stock · 115,540 shares

Expires 2034-01-02

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F4 · derivative.exercise_date: The stock option vests as to 25% of the total shares on January 3, 2025, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

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April 20, 2026 Filed Apr 22, 2026 20:05 UTC First Tracks Biotherapeutics, Inc. TRAX · Entity 4696 GrantStock Option (right to buy) · Derivative 67,070 $0.00 Strike: $6.22 $0.00
Disclosure

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 5

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,070

Underlying: Common Stock · 67,070 shares

Expires 2033-01-05

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

Read SEC document
April 20, 2026 Filed Apr 22, 2026 20:05 UTC First Tracks Biotherapeutics, Inc. TRAX · Entity 4696 GrantStock Option (right to buy) · Derivative 70,000 $0.00 Strike: $8.14 $0.00
Disclosure

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 4

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,000

Underlying: Common Stock · 70,000 shares

Expires 2032-02-09

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

Read SEC document
April 20, 2026 Filed Apr 22, 2026 20:05 UTC First Tracks Biotherapeutics, Inc. TRAX · Entity 4696 GrantStock Option (right to buy) · Derivative 45,000 $0.00 Strike: $7.95 $0.00
Disclosure

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 3

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,000

Underlying: Common Stock · 45,000 shares

Expires 2031-02-09

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

Read SEC document
April 20, 2026 Filed Apr 22, 2026 20:05 UTC First Tracks Biotherapeutics, Inc. TRAX · Entity 4696 GrantStock Option (right to buy) · Derivative 83,500 $0.00 Strike: $4.95 $0.00
Disclosure

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 2

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,500

Underlying: Common Stock · 83,500 shares

Expires 2030-07-29

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

Read SEC document
March 12, 2026 Filed Aug 7, 2026 21:13 UTC ANAPTYSBIO, INC ANAB · Entity 4640 GrantPerformance Stock Units · Derivative 16,667 $0.00 $0.00
Disclosure

SEC source: 0001711462-26-000012 · form4-08072026_090818.xml · derivative · entry 1

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,667

Underlying: Common Stock · 16,667 shares

Expires not disclosed

F1 · security: Represents performance-based restricted stock units ("PSUs") that were earned by the Reporting Person upon the achievement of certain performance criteria as certified by the Compensation Committee of the Issuer's Board of Directors on March 12, 2026.

F2 · derivative.exercise_price: Each PSU represents a conditional right to receive one share of the Issuer's Common Stock.

F3 · derivative.exercise_date: The PSUs vest and settle over two years; 50% vests on March 12, 2027 and 50% vests on March 12, 2028, subject to the continuing service of the Reporting Person on each vesting date.

F3 · derivative.expiration_date: The PSUs vest and settle over two years; 50% vests on March 12, 2027 and 50% vests on March 12, 2028, subject to the continuing service of the Reporting Person on each vesting date.

Read SEC document
January 08, 2026 Filed Jan 10, 2026 00:16 UTC ANAPTYSBIO, INC ANAB · Entity 4640 SaleCommon Stock 3,650 $44.71 $163,191.50
Disclosure

SEC source: 0001711462-26-000006 · form4-01102026_120159.xml · nonDerivative · entry 2

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,088

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

Read SEC document
January 07, 2026 Filed Jan 8, 2026 21:11 UTC ANAPTYSBIO, INC ANAB · Entity 4640 SaleCommon Stock 2,235 $45.11 $100,820.85
Disclosure

SEC source: 0001711462-26-000004 · form4-01082026_090121.xml · nonDerivative · entry 2

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,213

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

Read SEC document
January 07, 2026 Filed Jan 10, 2026 00:16 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionRestricted Stock Unit · Derivative 8,525 $0.00 $0.00
Disclosure

SEC source: 0001711462-26-000006 · form4-01102026_120159.xml · derivative · entry 3

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,575

Underlying: Common Stock · 8,525 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: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F3 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 7, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F3 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 7, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
January 07, 2026 Filed Jan 10, 2026 00:16 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionCommon Stock 8,525 Not disclosed Not disclosed
Disclosure

SEC source: 0001711462-26-000006 · form4-01102026_120159.xml · nonDerivative · entry 1

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,738

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 · price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

Read SEC document
January 06, 2026 Filed Jan 8, 2026 21:11 UTC ANAPTYSBIO, INC ANAB · Entity 4640 GrantStock Option (right to buy) · Derivative 29,000 $0.00 Strike: $43.91 $0.00
Disclosure

SEC source: 0001711462-26-000004 · form4-01082026_090121.xml · derivative · entry 5

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,000

Underlying: Common Stock · 29,000 shares

Expires 2036-01-05

F5 · derivative.exercise_date: The stock option vests as to 25% of the total shares on January 6, 2027, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
January 06, 2026 Filed Jan 8, 2026 21:11 UTC ANAPTYSBIO, INC ANAB · Entity 4640 GrantRestricted Stock Unit · Derivative 21,400 $0.00 $0.00
Disclosure

SEC source: 0001711462-26-000004 · form4-01082026_090121.xml · derivative · entry 4

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,400

Underlying: Common Stock · 21,400 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F4 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2027 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F4 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2027 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
January 06, 2026 Filed Jan 8, 2026 21:11 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionRestricted Stock Unit · Derivative 6,145 $0.00 $0.00
Disclosure

SEC source: 0001711462-26-000004 · form4-01082026_090121.xml · derivative · entry 3

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,145

Underlying: Common Stock · 6,145 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: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F3 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2024 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F3 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2024 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
January 06, 2026 Filed Jan 8, 2026 21:11 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionCommon Stock 6,145 Not disclosed Not disclosed
Disclosure

SEC source: 0001711462-26-000004 · form4-01082026_090121.xml · nonDerivative · entry 1

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,448

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 · price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

Read SEC document
January 05, 2026 Filed Jan 7, 2026 02:04 UTC ANAPTYSBIO, INC ANAB · Entity 4640 SaleCommon Stock 4,219 $43.26 $182,513.94
Disclosure

SEC source: 0001711462-26-000002 · form4-01072026_020144.xml · nonDerivative · entry 2

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,303

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

Read SEC document
January 03, 2026 Filed Jan 7, 2026 02:04 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionRestricted Stock Unit · Derivative 10,555 $0.00 $0.00
Disclosure

SEC source: 0001711462-26-000002 · form4-01072026_020144.xml · derivative · entry 3

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,110

Underlying: Common Stock · 10,555 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: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F3 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 3, 2025 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F3 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 3, 2025 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
January 03, 2026 Filed Jan 7, 2026 02:04 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionCommon Stock 10,555 Not disclosed Not disclosed
Disclosure

SEC source: 0001711462-26-000002 · form4-01072026_020144.xml · nonDerivative · entry 1

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,522

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 · price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

Read SEC document
December 22, 2025 Filed Dec 23, 2025 21:28 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionEmployee Stock Option (right to buy) · Derivative 1,500 $0.00 Strike: $18.50 $0.00
Disclosure

SEC source: 0001711462-25-000003 · form4-12232025_091241.xml · derivative · entry 3

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 83,500

Underlying: Common Stock · 1,500 shares

Expires 2030-07-29

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_date: The stock option is fully vested.

F4 · balance_after: In addition to the remaining options to purchase 83,500 shares of common stock as set forth in Table II, the Reporting Person also holds additional options to purchase up to an aggregate of 394,810 shares of common stock, which options vest according to their terms.

Read SEC document
December 22, 2025 Filed Dec 23, 2025 21:28 UTC ANAPTYSBIO, INC ANAB · Entity 4640 SaleCommon Stock 1,500 $50.00 $75,000.00
Disclosure

SEC source: 0001711462-25-000003 · form4-12232025_091241.xml · nonDerivative · entry 2

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 26,967

F2 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 14, 2025.

Read SEC document
December 22, 2025 Filed Dec 23, 2025 21:28 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionCommon Stock 1,500 $18.50 $27,750.00
Disclosure

SEC source: 0001711462-25-000003 · form4-12232025_091241.xml · nonDerivative · entry 1

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,467

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 · balance_after: Includes the acquisition of 1,324 shares acquired under the Company's ESPP.

Read SEC document
January 07, 2025 Filed Jan 7, 2025 22:33 UTC ANAPTYSBIO, INC ANAB · Entity 4640 GrantStock Option (right to buy) · Derivative 97,200 $0.00 Strike: $14.83 $0.00
Disclosure

SEC source: 0001415889-25-001046 · form4-01072025_100117.xml · derivative · entry 8

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,200

Underlying: Common Stock · 97,200 shares

Expires 2035-01-06

F8 · derivative.exercise_date: The stock option vests as to 25% of the total shares on January 7, 2026, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
January 07, 2025 Filed Jan 7, 2025 22:33 UTC ANAPTYSBIO, INC ANAB · Entity 4640 GrantRestricted Stock Unit · Derivative 34,100 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-001046 · form4-01072025_100117.xml · derivative · entry 7

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,100

Underlying: Common Stock · 34,100 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F7 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 7, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F7 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 7, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
January 06, 2025 Filed Jan 7, 2025 22:33 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionRestricted Stock Unit · Derivative 6,145 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-001046 · form4-01072025_100117.xml · derivative · entry 6

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,290

Underlying: Common Stock · 6,145 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: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F6 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2024 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F6 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2024 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
January 06, 2025 Filed Jan 7, 2025 22:33 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Tax withholdingCommon Stock 2,261 $15.30 $34,593.30
Disclosure

SEC source: 0001415889-25-001046 · form4-01072025_100117.xml · nonDerivative · entry 4

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,643

F3 · shares: Represents shares withheld by the Issuer to satisfy a portion of the tax withholding obligation in connection with the vesting of RSUs and do not represent discretionary transactions by the Reporting Person. Following the transactions reflecting in this Form 4, no additional transactions are expected to satisfy the Reporting Person's tax withholding obligation.

F4 · shares: The Reporting Person did not sell or otherwise dispose of any of the shares with respect to the vesting of RSUs reported on this Form 4 for any reason other than to cover required taxes.

Read SEC document
January 06, 2025 Filed Jan 7, 2025 22:33 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionCommon Stock 6,145 Not disclosed Not disclosed
Disclosure

SEC source: 0001415889-25-001046 · form4-01072025_100117.xml · nonDerivative · entry 3

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,904

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 · price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

Read SEC document
January 03, 2025 Filed Jan 7, 2025 22:33 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionRestricted Stock Unit · Derivative 10,555 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-001046 · form4-01072025_100117.xml · derivative · entry 5

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,665

Underlying: Common Stock · 10,555 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: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F5 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 3, 2025 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F5 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 3, 2025 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Read SEC document
January 03, 2025 Filed Jan 7, 2025 22:33 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Tax withholdingCommon Stock 4,336 $14.60 $63,305.60
Disclosure

SEC source: 0001415889-25-001046 · form4-01072025_100117.xml · nonDerivative · entry 2

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,759

F3 · shares: Represents shares withheld by the Issuer to satisfy a portion of the tax withholding obligation in connection with the vesting of RSUs and do not represent discretionary transactions by the Reporting Person. Following the transactions reflecting in this Form 4, no additional transactions are expected to satisfy the Reporting Person's tax withholding obligation.

F4 · shares: The Reporting Person did not sell or otherwise dispose of any of the shares with respect to the vesting of RSUs reported on this Form 4 for any reason other than to cover required taxes.

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January 03, 2025 Filed Jan 7, 2025 22:33 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionCommon Stock 10,555 Not disclosed Not disclosed
Disclosure

SEC source: 0001415889-25-001046 · form4-01072025_100117.xml · nonDerivative · entry 1

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,095

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 · price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F2 · balance_after: Reflects the acquisition of 142 shares acquired under the Company's ESPP.

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September 23, 2024 Filed Sep 24, 2024 20:18 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionCommon · Derivative 1,500 $0.00 Strike: $18.50 $0.00
Disclosure

SEC source: 0001415889-24-023900 · form4-09242024_080920.xml · derivative · entry 3

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 85,000

Underlying: Common · 1,500 shares

Expires 2030-07-29

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 · derivative.exercise_date: The stock option vests and becomes exercisable as to 25% of the shares subject to the option on July 31, 2021, and thereafter vests as to 1/48th of the shares in equal monthly installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date.

F3 · balance_after: In addition to the remaining options to purchase 85,000 shares of common stock as set forth in Table II, the Reporting Person also holds additional options to purchase up to an aggregate of 297,610 shares of common stock, which options vest according to their terms.

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September 23, 2024 Filed Sep 24, 2024 20:18 UTC ANAPTYSBIO, INC ANAB · Entity 4640 SaleCommon Stock 1,500 $38.67 $58,005.00
Disclosure

SEC source: 0001415889-24-023900 · form4-09242024_080920.xml · nonDerivative · entry 2

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,398

F1 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 10, 2024.

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September 23, 2024 Filed Sep 24, 2024 20:18 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionCommon Stock 1,500 $18.50 $27,750.00
Disclosure

SEC source: 0001415889-24-023900 · form4-09242024_080920.xml · nonDerivative · entry 1

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,898

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.

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September 16, 2024 Filed Sep 17, 2024 22:42 UTC ANAPTYSBIO, INC ANAB · Entity 4640 SaleCommon Stock 2,220 $38.93 $86,424.60
Disclosure

SEC source: 0001415889-24-023550 · form4-09172024_100907.xml · nonDerivative · entry 2

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,398

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

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September 14, 2024 Filed Sep 17, 2024 22:42 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionRestricted Stock Unit · Derivative 6,000 $0.00 $0.00
Disclosure

SEC source: 0001415889-24-023550 · form4-09172024_100907.xml · derivative · entry 3

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,000 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: Each restricted stock award ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F3 · derivative.exercise_date: 50% of the total restricted stock units vested on September 14, 2023 and September 14, 2024, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F3 · derivative.expiration_date: 50% of the total restricted stock units vested on September 14, 2023 and September 14, 2024, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

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September 14, 2024 Filed Sep 17, 2024 22:42 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionCommon Stock 6,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001415889-24-023550 · form4-09172024_100907.xml · nonDerivative · entry 1

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,618

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 · price: Each restricted stock award ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

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August 14, 2024 Filed Aug 16, 2024 20:09 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionCommon · Derivative 2,000 $0.00 Strike: $18.50 $0.00
Disclosure

SEC source: 0001415889-24-021452 · form4-08162024_080835.xml · derivative · entry 3

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 86,500

Underlying: Common · 2,000 shares

Expires 2030-07-29

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 · derivative.exercise_date: The stock option vests and becomes exercisable as to 25% of the shares subject to the option on July 31, 2021, and thereafter vests as to 1/48th of the shares in equal monthly installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date.

F3 · balance_after: In addition to the remaining options to purchase 86,500 shares of common stock as set forth in Table II, the Reporting Person also holds additional options to purchase up to an aggregate of 297,610 shares of common stock, which options vest according to their terms.

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August 14, 2024 Filed Aug 16, 2024 20:09 UTC ANAPTYSBIO, INC ANAB · Entity 4640 SaleCommon Stock 2,000 $40.00 $80,000.00
Disclosure

SEC source: 0001415889-24-021452 · form4-08162024_080835.xml · nonDerivative · entry 2

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,618

F1 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 22, 2023.

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August 14, 2024 Filed Aug 16, 2024 20:09 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionCommon Stock 2,000 $18.50 $37,000.00
Disclosure

SEC source: 0001415889-24-021452 · form4-08162024_080835.xml · nonDerivative · entry 1

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,618

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.

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July 22, 2024 Filed Jul 24, 2024 20:15 UTC ANAPTYSBIO, INC ANAB · Entity 4640 GrantCommon Stock · Derivative 50,000 $0.00 $0.00
Disclosure

SEC source: 0001415889-24-020036 · form4-07242024_080712.xml · derivative · entry 1

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F2 · derivative.exercise_date: Shares earned upon the vesting of a percentage of the PSUs granted to the Reporting Person on July 22, 2024. Each PSU represents a contingent right to receive one share of Issuer common stock upon the Issuer's achievement of certain share price metrics ("Performance Metrics"). 50% of the total number of shares subject to the PSU that achieves the applicable Performance Metrics shall vest on the later of (i) the 1-year anniversary of the achievement of such applicable Performance Metrics and (ii) on July 1, 2026. An additional 50% of the total number of shares subject to the PSU that achieves the applicable Performance Metrics shall vest on the 2-year anniversary of such achievement (but not later than July 1, 2028), subject to the Reporting Person' service to the Issue on each vesting date.

F2 · derivative.expiration_date: Shares earned upon the vesting of a percentage of the PSUs granted to the Reporting Person on July 22, 2024. Each PSU represents a contingent right to receive one share of Issuer common stock upon the Issuer's achievement of certain share price metrics ("Performance Metrics"). 50% of the total number of shares subject to the PSU that achieves the applicable Performance Metrics shall vest on the later of (i) the 1-year anniversary of the achievement of such applicable Performance Metrics and (ii) on July 1, 2026. An additional 50% of the total number of shares subject to the PSU that achieves the applicable Performance Metrics shall vest on the 2-year anniversary of such achievement (but not later than July 1, 2028), subject to the Reporting Person' service to the Issue on each vesting date.

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July 18, 2024 Filed Jul 20, 2024 00:35 UTC ANAPTYSBIO, INC ANAB · Entity 4640 Exercise / conversionCommon · Derivative 1,500 $0.00 Strike: $18.50 $0.00
Disclosure

SEC source: 0001415889-24-019829 · form4-07202024_120740.xml · derivative · entry 3

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 88,500

Underlying: Common · 1,500 shares

Expires 2030-07-30

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_date: The stock option vests and becomes exercisable as to 25% of the shares subject to the option on July 31, 2021, and thereafter vests as to 1/48th of the shares in equal monthly installments, until such time as the option is 100% vested, subject to the continuing employment of the Reporting Person on each vesting date.

F4 · balance_after: In addition to the remaining options to purchase 88,500 shares of common stock as set forth in Table II, the Reporting Person also holds additional options to purchase up to an aggregate of 297,610 shares of common stock, which options vest according to their terms.

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July 18, 2024 Filed Jul 20, 2024 00:35 UTC ANAPTYSBIO, INC ANAB · Entity 4640 SaleCommon Stock 1,500 $35.00 $52,500.00
Disclosure

SEC source: 0001415889-24-019829 · form4-07202024_120740.xml · nonDerivative · entry 2

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,618

F2 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 22, 2023.

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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.