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person · Reporting owner

Mazumdar-Shaw Kiran

Disclosed activity across 1 company

Tapewire entity
39735
SEC CIK
0002034672

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Bicara Therapeutics Inc.BCAX · Entity 4673DirectorJune 09, 2026June 10, 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.

Bicara Therapeutics Inc.

Report date June 09, 2026 · Filed June 10, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $20.56 · Expires 2036-06-09Direct19,475 Reported balance After 2026-06-09 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-06-09 · Grant · Acquired 19,475 · Balance 19,475

F1: 1. The shares underlying this stock option vest upon the earlier of (i) June 9, 2027 or (ii) the date of the next Annual Meeting of Stockholders of Bicara Therapeutics Inc., subject to the Reporting Person's continued service on such vesting date.

Filing footnotes · ownership attribution and instrument terms

F1: 1. The shares underlying this stock option vest upon the earlier of (i) June 9, 2027 or (ii) the date of the next Annual Meeting of Stockholders of Bicara Therapeutics Inc., subject to the Reporting Person's continued service on such vesting date.

Transaction history

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

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

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
June 09, 2026 Filed Jun 10, 2026 20:34 UTC Bicara Therapeutics Inc. BCAX · Entity 4673 GrantStock Option (Right to Buy) · Derivative 19,475 $0.00 Strike: $20.56 $0.00
Disclosure

SEC source: 0001628280-26-042251 · wk-form4_1781123650.xml · derivative · entry 1

Mazumdar-Shaw Kiran · CIK 0002034672 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,475

Underlying: Common Stock · 19,475 shares

Expires 2036-06-09

F1 · derivative.exercise_date: 1. The shares underlying this stock option vest upon the earlier of (i) June 9, 2027 or (ii) the date of the next Annual Meeting of Stockholders of Bicara Therapeutics Inc., subject to the Reporting Person's continued service on such vesting date.

Read SEC document
June 09, 2025 Filed Jun 10, 2025 20:31 UTC Bicara Therapeutics Inc. BCAX · Entity 4673 GrantStock Option (Right to Buy) · Derivative 23,746 $0.00 Strike: $11.48 $0.00
Disclosure

SEC source: 0002023658-25-000078 · wk-form4_1749587491.xml · derivative · entry 1

Mazumdar-Shaw Kiran · CIK 0002034672 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,746

Underlying: Common Stock · 23,746 shares

Expires 2035-06-09

F1 · derivative.exercise_date: This option was awarded to the reporting person pursuant to the Issuer's 2024 Stock Option and Incentive Plan. The shares underlying this option shall vest upon the earlier of (i) June 9, 2026 or (ii) the date of the next Annual Meeting of Stockholders of the Issuer, subject to the Reporting Person's continued service on such vesting date.

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September 16, 2024 Filed Sep 16, 2024 20:35 UTC Bicara Therapeutics Inc. BCAX · Entity 4673 ConversionSeries Seed Redeemable Convertible Preferred Stock · Derivative 4,000,000 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-106866 · ownership.xml · derivative · entry 9

Mazumdar-Shaw Kiran · CIK 0002034672 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Carica Investments

Disclosed balance after: 0

Underlying: Common Stock · 432,736 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: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F1 · kind: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F5 · ownership.nature: Shares held by Carica Investments ("Carica"). The Reporting Person is the managing partner of Carica and disclaims beneficial ownership of such shares for purposes of Section 16 of the Exchange Act, except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that she is a beneficial owner of such shares for the purpose of Section 16 of the Exchange Act, or for any other purpose.

Read SEC document
September 16, 2024 Filed Sep 16, 2024 20:35 UTC Bicara Therapeutics Inc. BCAX · Entity 4673 ConversionSeries Seed Redeemable Convertible Preferred Stock · Derivative 3,000,000 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-106866 · ownership.xml · derivative · entry 8

Mazumdar-Shaw Kiran · CIK 0002034672 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Glentech International

Disclosed balance after: 0

Underlying: Common Stock · 324,552 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: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F1 · kind: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F4 · ownership.nature: Shares held by Glentech International ("Glentech"). The Reporting Person is the managing member of Glentech and disclaims beneficial ownership of such shares for purposes of Section 16 of Exchange Act, except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that she is a beneficial owner of such shares for the purpose of Section 16 of the Exchange Act, or for any other purpose.

Read SEC document
September 16, 2024 Filed Sep 16, 2024 20:35 UTC Bicara Therapeutics Inc. BCAX · Entity 4673 ConversionSeries Seed Redeemable Convertible Preferred Stock · Derivative 9,990,144 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-106866 · ownership.xml · derivative · entry 7

Mazumdar-Shaw Kiran · CIK 0002034672 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Biocon Pharma Inc.

Disclosed balance after: 0

Underlying: Common Stock · 1,080,775 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: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F1 · kind: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F3 · ownership.nature: Shares held by Biocon Pharma Inc. ("Biocon Pharma"). The Reporting Person is the managing member of Biocon Pharma and disclaims beneficial ownership of such shares for purposes of Section 16 of the Exchange Act, except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that she is a beneficial owner of such shares for the purpose of Section 16 of the Exchange Act, or for any other purpose.

Read SEC document
September 16, 2024 Filed Sep 16, 2024 20:35 UTC Bicara Therapeutics Inc. BCAX · Entity 4673 ConversionSeries Seed Redeemable Convertible Preferred Stock · Derivative 40,000,000 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-106866 · ownership.xml · derivative · entry 6

Mazumdar-Shaw Kiran · CIK 0002034672 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Biocon Limited

Disclosed balance after: 0

Underlying: Common Stock · 4,327,365 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: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F1 · kind: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F2 · ownership.nature: Shares held by Biocon Limited ("Biocon Ltd"). The Reporting Person is the managing member of Biocon Ltd and disclaims beneficial ownership of such shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that she is a beneficial owner of such shares for the purpose of Section 16 of the Exchange Act, or for any other purpose.

Read SEC document
September 16, 2024 Filed Sep 16, 2024 20:35 UTC Bicara Therapeutics Inc. BCAX · Entity 4673 ConversionCommon Stock 432,736 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-106866 · ownership.xml · nonDerivative · entry 4

Mazumdar-Shaw Kiran · CIK 0002034672 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Carica Investments

Disclosed balance after: 432,736

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

F1 · kind: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F5 · ownership.nature: Shares held by Carica Investments ("Carica"). The Reporting Person is the managing partner of Carica and disclaims beneficial ownership of such shares for purposes of Section 16 of the Exchange Act, except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that she is a beneficial owner of such shares for the purpose of Section 16 of the Exchange Act, or for any other purpose.

Read SEC document
September 16, 2024 Filed Sep 16, 2024 20:35 UTC Bicara Therapeutics Inc. BCAX · Entity 4673 ConversionCommon Stock 324,552 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-106866 · ownership.xml · nonDerivative · entry 3

Mazumdar-Shaw Kiran · CIK 0002034672 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Glentech International

Disclosed balance after: 324,552

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

F1 · kind: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F4 · ownership.nature: Shares held by Glentech International ("Glentech"). The Reporting Person is the managing member of Glentech and disclaims beneficial ownership of such shares for purposes of Section 16 of Exchange Act, except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that she is a beneficial owner of such shares for the purpose of Section 16 of the Exchange Act, or for any other purpose.

Read SEC document
September 16, 2024 Filed Sep 16, 2024 20:35 UTC Bicara Therapeutics Inc. BCAX · Entity 4673 ConversionCommon Stock 1,080,775 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-106866 · ownership.xml · nonDerivative · entry 2

Mazumdar-Shaw Kiran · CIK 0002034672 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Biocon Pharma Inc.

Disclosed balance after: 1,080,775

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

F1 · kind: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F3 · ownership.nature: Shares held by Biocon Pharma Inc. ("Biocon Pharma"). The Reporting Person is the managing member of Biocon Pharma and disclaims beneficial ownership of such shares for purposes of Section 16 of the Exchange Act, except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that she is a beneficial owner of such shares for the purpose of Section 16 of the Exchange Act, or for any other purpose.

Read SEC document
September 16, 2024 Filed Sep 16, 2024 20:35 UTC Bicara Therapeutics Inc. BCAX · Entity 4673 ConversionCommon Stock 4,327,365 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-106866 · ownership.xml · nonDerivative · entry 1

Mazumdar-Shaw Kiran · CIK 0002034672 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Biocon Limited

Disclosed balance after: 4,443,122

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

F1 · kind: Upon the closing of the Issuer's initial public offering, each share of Series Seed Redeemable Convertible Preferred Stock (the "Preferred Stock") automatically converted into Common Stock on a 9.2435-to-one basis without payment of consideration. The Preferred Stock had no expiration date.

F2 · ownership.nature: Shares held by Biocon Limited ("Biocon Ltd"). The Reporting Person is the managing member of Biocon Ltd and disclaims beneficial ownership of such shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of her pecuniary interest therein, if any. This report shall not be deemed an admission that she is a beneficial owner of such shares for the purpose of Section 16 of the Exchange Act, or for any other purpose.

Read SEC document
September 12, 2024 Filed Sep 16, 2024 20:35 UTC Bicara Therapeutics Inc. BCAX · Entity 4673 GrantStock Option (Right to Buy) · Derivative 23,746 $0.00 Strike: $18.00 $0.00
Disclosure

SEC source: 0000950170-24-106866 · ownership.xml · derivative · entry 5

Mazumdar-Shaw Kiran · CIK 0002034672 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,746

Underlying: Common Stock · 23,746 shares

Expires 2034-09-12

F6 · derivative.exercise_date: The shares underlying this option shall vest upon the earlier of (i) August 16, 2025 and (ii) the date of the next Annual Meeting of Stockholders of the Issuer, subject to the Reporting Person's continued service on such vesting date.

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.