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person · Reporting owner

Bristol James Arthur

Disclosed activity across 3 companies

Tapewire entity
18227
SEC CIK
0001715153

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Erasca, Inc.ERAS · Entity 3796DirectorJune 26, 2026June 29, 2026
Ernexa Therapeutics Inc.ERNA · Entity 8278DirectorAugust 31, 2026September 02, 2026

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.

Erasca, Inc.

Report date June 26, 2026 · Filed June 29, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Stock option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $16.01 · Expires 2036-06-26Direct29,888 Reported balance After 2026-06-26 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-06-26 · Grant · Acquired 29,888 · Balance 29,888

F1: 100% of the options to purchase shares vest on June 26, 2027, subject to the Reporting Person's continuous service to the Issuer on such vesting date.

Filing footnotes · ownership attribution and instrument terms

F1: 100% of the options to purchase shares vest on June 26, 2027, subject to the Reporting Person's continuous service to the Issuer on such vesting date.

Ernexa Therapeutics Inc.

Report date August 31, 2026 · Filed September 02, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Stock Option (Right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $4.57 · Expires 2036-08-31Direct8,320 Reported balance After 2026-08-31 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-08-31 · Grant · Acquired 8,320 · Balance 8,320

F1: Subject to continued service, one-third of the shares underlying the stock option will vest on the first anniversary of the grant date, and the remaining shares underlying the stock option will vest in 24 substantially equal monthly installments thereafter.

Stock Option (Right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $4.57 · Expires 2036-08-31Direct5,083 Reported balance After 2026-08-31 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2026-08-31 · Grant · Acquired 5,083 · Balance 5,083

F2: Represents options to purchase shares of the registrant's common stock in lieu of prorated director's cash compensation for 2026 pursuant to the Director's Compensation Plan effective August 15, 2026, granted under the Issuer's 2026 Omnibus Equity Incentive Plan. Subject to continued service, 100% of the stock options will vest on December 31, 2026.

Filing footnotes · ownership attribution and instrument terms

F1: Subject to continued service, one-third of the shares underlying the stock option will vest on the first anniversary of the grant date, and the remaining shares underlying the stock option will vest in 24 substantially equal monthly installments thereafter.

F2: Represents options to purchase shares of the registrant's common stock in lieu of prorated director's cash compensation for 2026 pursuant to the Director's Compensation Plan effective August 15, 2026, granted under the Issuer's 2026 Omnibus Equity Incentive Plan. Subject to continued service, 100% of the stock options will vest on December 31, 2026.

Past disclosures · reporting ended (1)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

Deciphera Pharmaceuticals, Inc.

Report date June 11, 2024 · Filed June 11, 2024

Section 16 reporting ended · disclosed 2024-06-11. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $3.95IndirectBy Bristol Survivor's Trust0 Reported balance After 2024-06-11 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2024-06-11 · Disposition to issuer · Disposed 22,150 · Balance 0

F1: This Form 4 reports securities disposed pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated as of April 29, 2024, by and among the Issuer, Ono Pharmaceutical Co., Ltd. ("Parent"), and Topaz Merger Sub, Inc., a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the Merger Agreement, Merger Sub completed a cash tender offer to acquire all of the issued and outstanding shares of common stock of the Issuer, par value $0.01 per share for a price per share of $25.60, without interest and subject to tax withholding (the "Merger Consideration"). Effective as of June 11, 2024 (the "Effective Time"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation in the Merger and as a wholly owned subsidiary of Parent.

F2: Pursuant to the terms of the Merger Agreement, immediately prior to the Effective Time, each outstanding stock option of the Issuer having an exercise price per share that is less than the Merger Consideration became fully vested, and was cancelled and automatically converted into the right to receive an amount in cash equal to (A) the number of shares underlying such option multiplied by (B) the Merger Consideration.

Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $6.13IndirectBy Bristol Survivor's Trust0 Reported balance After 2024-06-11 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2024-06-11 · Disposition to issuer · Disposed 67,494 · Balance 0

F1: This Form 4 reports securities disposed pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated as of April 29, 2024, by and among the Issuer, Ono Pharmaceutical Co., Ltd. ("Parent"), and Topaz Merger Sub, Inc., a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the Merger Agreement, Merger Sub completed a cash tender offer to acquire all of the issued and outstanding shares of common stock of the Issuer, par value $0.01 per share for a price per share of $25.60, without interest and subject to tax withholding (the "Merger Consideration"). Effective as of June 11, 2024 (the "Effective Time"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation in the Merger and as a wholly owned subsidiary of Parent.

F2: Pursuant to the terms of the Merger Agreement, immediately prior to the Effective Time, each outstanding stock option of the Issuer having an exercise price per share that is less than the Merger Consideration became fully vested, and was cancelled and automatically converted into the right to receive an amount in cash equal to (A) the number of shares underlying such option multiplied by (B) the Merger Consideration.

Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $21.05IndirectBy Bristol Survivor's Trust0 Reported balance After 2024-06-11 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2024-06-11 · Disposition to issuer · Disposed 12,000 · Balance 0

F1: This Form 4 reports securities disposed pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated as of April 29, 2024, by and among the Issuer, Ono Pharmaceutical Co., Ltd. ("Parent"), and Topaz Merger Sub, Inc., a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the Merger Agreement, Merger Sub completed a cash tender offer to acquire all of the issued and outstanding shares of common stock of the Issuer, par value $0.01 per share for a price per share of $25.60, without interest and subject to tax withholding (the "Merger Consideration"). Effective as of June 11, 2024 (the "Effective Time"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation in the Merger and as a wholly owned subsidiary of Parent.

F2: Pursuant to the terms of the Merger Agreement, immediately prior to the Effective Time, each outstanding stock option of the Issuer having an exercise price per share that is less than the Merger Consideration became fully vested, and was cancelled and automatically converted into the right to receive an amount in cash equal to (A) the number of shares underlying such option multiplied by (B) the Merger Consideration.

Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $8.27IndirectBy Bristol Survivor's Trust0 Reported balance After 2024-06-11 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2024-06-11 · Disposition to issuer · Disposed 9,570 · Balance 0

F1: This Form 4 reports securities disposed pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated as of April 29, 2024, by and among the Issuer, Ono Pharmaceutical Co., Ltd. ("Parent"), and Topaz Merger Sub, Inc., a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the Merger Agreement, Merger Sub completed a cash tender offer to acquire all of the issued and outstanding shares of common stock of the Issuer, par value $0.01 per share for a price per share of $25.60, without interest and subject to tax withholding (the "Merger Consideration"). Effective as of June 11, 2024 (the "Effective Time"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation in the Merger and as a wholly owned subsidiary of Parent.

F2: Pursuant to the terms of the Merger Agreement, immediately prior to the Effective Time, each outstanding stock option of the Issuer having an exercise price per share that is less than the Merger Consideration became fully vested, and was cancelled and automatically converted into the right to receive an amount in cash equal to (A) the number of shares underlying such option multiplied by (B) the Merger Consideration.

Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $13.98IndirectBy Bristol Survivor's Trust0 Reported balance After 2024-06-11 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2024-06-11 · Disposition to issuer · Disposed 18,500 · Balance 0

F1: This Form 4 reports securities disposed pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated as of April 29, 2024, by and among the Issuer, Ono Pharmaceutical Co., Ltd. ("Parent"), and Topaz Merger Sub, Inc., a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the Merger Agreement, Merger Sub completed a cash tender offer to acquire all of the issued and outstanding shares of common stock of the Issuer, par value $0.01 per share for a price per share of $25.60, without interest and subject to tax withholding (the "Merger Consideration"). Effective as of June 11, 2024 (the "Effective Time"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation in the Merger and as a wholly owned subsidiary of Parent.

F2: Pursuant to the terms of the Merger Agreement, immediately prior to the Effective Time, each outstanding stock option of the Issuer having an exercise price per share that is less than the Merger Consideration became fully vested, and was cancelled and automatically converted into the right to receive an amount in cash equal to (A) the number of shares underlying such option multiplied by (B) the Merger Consideration.

Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $14.91IndirectBy Bristol Survivor's Trust0 Reported balance After 2024-06-11 transaction · row 6 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 6 · 2024-06-11 · Disposition to issuer · Disposed 30,000 · Balance 0

F1: This Form 4 reports securities disposed pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated as of April 29, 2024, by and among the Issuer, Ono Pharmaceutical Co., Ltd. ("Parent"), and Topaz Merger Sub, Inc., a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the Merger Agreement, Merger Sub completed a cash tender offer to acquire all of the issued and outstanding shares of common stock of the Issuer, par value $0.01 per share for a price per share of $25.60, without interest and subject to tax withholding (the "Merger Consideration"). Effective as of June 11, 2024 (the "Effective Time"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation in the Merger and as a wholly owned subsidiary of Parent.

F2: Pursuant to the terms of the Merger Agreement, immediately prior to the Effective Time, each outstanding stock option of the Issuer having an exercise price per share that is less than the Merger Consideration became fully vested, and was cancelled and automatically converted into the right to receive an amount in cash equal to (A) the number of shares underlying such option multiplied by (B) the Merger Consideration.

Filing footnotes · ownership attribution and instrument terms

F1: This Form 4 reports securities disposed pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated as of April 29, 2024, by and among the Issuer, Ono Pharmaceutical Co., Ltd. ("Parent"), and Topaz Merger Sub, Inc., a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the Merger Agreement, Merger Sub completed a cash tender offer to acquire all of the issued and outstanding shares of common stock of the Issuer, par value $0.01 per share for a price per share of $25.60, without interest and subject to tax withholding (the "Merger Consideration"). Effective as of June 11, 2024 (the "Effective Time"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation in the Merger and as a wholly owned subsidiary of Parent.

F2: Pursuant to the terms of the Merger Agreement, immediately prior to the Effective Time, each outstanding stock option of the Issuer having an exercise price per share that is less than the Merger Consideration became fully vested, and was cancelled and automatically converted into the right to receive an amount in cash equal to (A) the number of shares underlying such option multiplied by (B) the Merger Consideration.

Transaction history

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

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

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
October 02, 2017 Filed Oct 2, 2017 16:41 UTC Deciphera Pharmaceuticals, Inc. DCPH · Entity 90033 Exercise / conversionStock Option (Right to Buy) · Derivative 9,000 Not disclosed Strike: $3.95 Not disclosed
Disclosure

SEC source: 0000899243-17-023139 · doc4.xml · derivative · entry 5

Bristol James Arthur · CIK 0001715153 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 50,850 shares

Expires 2026-09-26

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 · shares: Immediately prior to the closing of the Issuer's initial public offering, these options to purchase common stock of Deciphera Pharmaceuticals, LLC were exchanged for options to purchase common stock of the Issuer on a 1 for 5.65 basis pursuant to that certain Reorganization Agreement and Plan of Merger by and among the Issuer, Deciphera Pharmaceuticals, LLC and the other parties named therein, dated September 26, 2017 (the "Merger Agreement"). These transactions were exempt from Section 16(b) in reliance upon Rule 16b-3 and Rule 16b-6(b).

F1 · price: Immediately prior to the closing of the Issuer's initial public offering, these options to purchase common stock of Deciphera Pharmaceuticals, LLC were exchanged for options to purchase common stock of the Issuer on a 1 for 5.65 basis pursuant to that certain Reorganization Agreement and Plan of Merger by and among the Issuer, Deciphera Pharmaceuticals, LLC and the other parties named therein, dated September 26, 2017 (the "Merger Agreement"). These transactions were exempt from Section 16(b) in reliance upon Rule 16b-3 and Rule 16b-6(b).

F5 · derivative.exercise_date: This stock option award was issued pursuant to Deciphera Pharmaceuticals, LLC's 2015 Equity Incentive Plan. The option vests in 48 equal monthly installments at the end of each month following the vesting commencement date of July 1, 2016, subject to continued service through such dates.

Read SEC document
October 02, 2017 Filed Oct 2, 2017 16:41 UTC Deciphera Pharmaceuticals, Inc. DCPH · Entity 90033 Exercise / conversionStock Option (Right to Buy) · Derivative 30,758 Not disclosed Strike: $1.89 Not disclosed
Disclosure

SEC source: 0000899243-17-023139 · doc4.xml · derivative · entry 4

Bristol James Arthur · CIK 0001715153 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,758

Underlying: Common Stock · 30,758 shares

Expires 2025-12-17

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 · shares: Represents the total number of options to purchase common stock of the Issuer received upon the exchange of options to purchase common stock of Deciphera Pharmaceuticals, Inc. for options to purchase common stock of the Issuer pursuant to the Merger Agreement.

F1 · price: Immediately prior to the closing of the Issuer's initial public offering, these options to purchase common stock of Deciphera Pharmaceuticals, LLC were exchanged for options to purchase common stock of the Issuer on a 1 for 5.65 basis pursuant to that certain Reorganization Agreement and Plan of Merger by and among the Issuer, Deciphera Pharmaceuticals, LLC and the other parties named therein, dated September 26, 2017 (the "Merger Agreement"). These transactions were exempt from Section 16(b) in reliance upon Rule 16b-3 and Rule 16b-6(b).

F4 · derivative.exercise_date: This stock option award was issued pursuant to Deciphera Pharmaceuticals, LLC's 2015 Equity Incentive Plan. The option vests in 48 equal monthly installments at the end of each month following the vesting commencement date of September 30, 2015, subject to continued service through such dates.

Read SEC document
October 02, 2017 Filed Oct 2, 2017 16:41 UTC Deciphera Pharmaceuticals, Inc. DCPH · Entity 90033 Exercise / conversionStock Option (Right to Buy) · Derivative 5,444 Not disclosed Strike: $1.89 Not disclosed
Disclosure

SEC source: 0000899243-17-023139 · doc4.xml · derivative · entry 3

Bristol James Arthur · CIK 0001715153 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 30,758 shares

Expires 2025-12-17

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 · shares: Immediately prior to the closing of the Issuer's initial public offering, these options to purchase common stock of Deciphera Pharmaceuticals, LLC were exchanged for options to purchase common stock of the Issuer on a 1 for 5.65 basis pursuant to that certain Reorganization Agreement and Plan of Merger by and among the Issuer, Deciphera Pharmaceuticals, LLC and the other parties named therein, dated September 26, 2017 (the "Merger Agreement"). These transactions were exempt from Section 16(b) in reliance upon Rule 16b-3 and Rule 16b-6(b).

F1 · price: Immediately prior to the closing of the Issuer's initial public offering, these options to purchase common stock of Deciphera Pharmaceuticals, LLC were exchanged for options to purchase common stock of the Issuer on a 1 for 5.65 basis pursuant to that certain Reorganization Agreement and Plan of Merger by and among the Issuer, Deciphera Pharmaceuticals, LLC and the other parties named therein, dated September 26, 2017 (the "Merger Agreement"). These transactions were exempt from Section 16(b) in reliance upon Rule 16b-3 and Rule 16b-6(b).

F4 · derivative.exercise_date: This stock option award was issued pursuant to Deciphera Pharmaceuticals, LLC's 2015 Equity Incentive Plan. The option vests in 48 equal monthly installments at the end of each month following the vesting commencement date of September 30, 2015, subject to continued service through such dates.

Read SEC document
October 02, 2017 Filed Oct 2, 2017 16:41 UTC Deciphera Pharmaceuticals, Inc. DCPH · Entity 90033 Exercise / conversionStock Option (Right to Buy) · Derivative 138,408 Not disclosed Strike: $1.89 Not disclosed
Disclosure

SEC source: 0000899243-17-023139 · doc4.xml · derivative · entry 2

Bristol James Arthur · CIK 0001715153 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 138,408

Underlying: Common Stock · 138,408 shares

Expires 2025-12-17

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 · shares: Represents the total number of options to purchase common stock of the Issuer received upon the exchange of options to purchase common stock of Deciphera Pharmaceuticals, Inc. for options to purchase common stock of the Issuer pursuant to the Merger Agreement.

F1 · price: Immediately prior to the closing of the Issuer's initial public offering, these options to purchase common stock of Deciphera Pharmaceuticals, LLC were exchanged for options to purchase common stock of the Issuer on a 1 for 5.65 basis pursuant to that certain Reorganization Agreement and Plan of Merger by and among the Issuer, Deciphera Pharmaceuticals, LLC and the other parties named therein, dated September 26, 2017 (the "Merger Agreement"). These transactions were exempt from Section 16(b) in reliance upon Rule 16b-3 and Rule 16b-6(b).

F2 · derivative.exercise_date: This stock option award was issued pursuant to Deciphera Pharmaceuticals, LLC's 2015 Equity Incentive Plan. The option was 100% exercisable on the date of grant, December 18, 2015.

Read SEC document
October 02, 2017 Filed Oct 2, 2017 16:41 UTC Deciphera Pharmaceuticals, Inc. DCPH · Entity 90033 Exercise / conversionStock Option (Right to Buy) · Derivative 24,497 Not disclosed Strike: $1.89 Not disclosed
Disclosure

SEC source: 0000899243-17-023139 · doc4.xml · derivative · entry 1

Bristol James Arthur · CIK 0001715153 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 138,408 shares

Expires 2025-12-17

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 · shares: Immediately prior to the closing of the Issuer's initial public offering, these options to purchase common stock of Deciphera Pharmaceuticals, LLC were exchanged for options to purchase common stock of the Issuer on a 1 for 5.65 basis pursuant to that certain Reorganization Agreement and Plan of Merger by and among the Issuer, Deciphera Pharmaceuticals, LLC and the other parties named therein, dated September 26, 2017 (the "Merger Agreement"). These transactions were exempt from Section 16(b) in reliance upon Rule 16b-3 and Rule 16b-6(b).

F1 · price: Immediately prior to the closing of the Issuer's initial public offering, these options to purchase common stock of Deciphera Pharmaceuticals, LLC were exchanged for options to purchase common stock of the Issuer on a 1 for 5.65 basis pursuant to that certain Reorganization Agreement and Plan of Merger by and among the Issuer, Deciphera Pharmaceuticals, LLC and the other parties named therein, dated September 26, 2017 (the "Merger Agreement"). These transactions were exempt from Section 16(b) in reliance upon Rule 16b-3 and Rule 16b-6(b).

F2 · derivative.exercise_date: This stock option award was issued pursuant to Deciphera Pharmaceuticals, LLC's 2015 Equity Incentive Plan. The option was 100% exercisable on the date of grant, December 18, 2015.

Read SEC document

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