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Sankar Subramanian

Disclosed activity across 1 company

Tapewire entity
62835
SEC CIK
0001856744

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Nautilus Biotechnology, Inc.NAUT · Entity 6679Senior VP, Product DevelopmentMarch 02, 2026March 04, 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.

Nautilus Biotechnology, Inc.

Report date March 02, 2026 · Filed March 04, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $2.32 · Expires 2036-03-02Direct160,000 Reported balance After 2026-03-02 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-03-02 · Grant · Acquired 160,000 · Balance 160,000

F1: Subject to reporting person's continuous status as a "Service Provider" (as defined in the the Issuer's 2021 Equity Incentive Plan) through each vesting date, twenty-five percent (25%) of the shares subject to the Option shall vest on the one (1) year anniversary of the Vesting Commencement Date (as defined below), and one thirty-sixth (1/36th) of the remaining shares subject to the Option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). The Vesting Commencement Date is January 1, 2026.

Filing footnotes · ownership attribution and instrument terms

F1: Subject to reporting person's continuous status as a "Service Provider" (as defined in the the Issuer's 2021 Equity Incentive Plan) through each vesting date, twenty-five percent (25%) of the shares subject to the Option shall vest on the one (1) year anniversary of the Vesting Commencement Date (as defined below), and one thirty-sixth (1/36th) of the remaining shares subject to the Option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). The Vesting Commencement Date is January 1, 2026.

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
March 02, 2026 Filed Mar 4, 2026 22:31 UTC Nautilus Biotechnology, Inc. NAUT · Entity 6679 GrantStock Option (Right to Buy) · Derivative 160,000 $0.00 Strike: $2.32 $0.00
Disclosure

SEC source: 0001856744-26-000001 · wk-form4_1772663480.xml · derivative · entry 1

Sankar Subramanian · CIK 0001856744 · Senior VP, Product Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 160,000

Underlying: Common Stock · 160,000 shares

Expires 2036-03-02

F1 · derivative.exercise_date: Subject to reporting person's continuous status as a "Service Provider" (as defined in the the Issuer's 2021 Equity Incentive Plan) through each vesting date, twenty-five percent (25%) of the shares subject to the Option shall vest on the one (1) year anniversary of the Vesting Commencement Date (as defined below), and one thirty-sixth (1/36th) of the remaining shares subject to the Option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). The Vesting Commencement Date is January 1, 2026.

Read SEC document
March 03, 2025 Filed Mar 4, 2025 21:51 UTC Nautilus Biotechnology, Inc. NAUT · Entity 6679 GrantStock Option (Right to Buy) · Derivative 160,000 $0.00 Strike: $1.24 $0.00
Disclosure

SEC source: 0001808805-25-000019 · wk-form4_1741125080.xml · derivative · entry 1

Sankar Subramanian · CIK 0001856744 · Senior VP, Product Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 160,000

Underlying: Common Stock · 160,000 shares

Expires 2035-03-03

F1 · derivative.exercise_date: 25% of the shares subject to the Option shall vest and become exercisable on the first anniversary of the Vesting Commencement Date, as defined below, and the balance of the shares subject to the Option shall vest and become exercisable on a ratable, monthly basis over the 36 months succeeding such first anniversary so long as the Reporting Person remains a Service Provider as provided in the Issuer's 2021 Equity Incentive Plan. Vesting Commencement Date shall mean January 1, 2025.

Read SEC document
March 01, 2024 Filed Mar 5, 2024 21:30 UTC Nautilus Biotechnology, Inc. NAUT · Entity 6679 GrantStock Option (Right to Buy) · Derivative 160,000 $0.00 Strike: $2.72 $0.00
Disclosure

SEC source: 0001808805-24-000012 · wk-form4_1709674183.xml · derivative · entry 1

Sankar Subramanian · CIK 0001856744 · Senior VP, Product Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 160,000

Underlying: Common Stock · 160,000 shares

Expires 2034-03-01

F1 · derivative.exercise_date: Subject to reporting person's continuous status as a "Service Provider" (as defined in the the Issuer's 2021 Equity Incentive Plan) through each vesting date, twenty-five percent (25%) of the shares subject to the Option shall vest on the one (1) year anniversary of the Vesting Commencement Date (as defined below), and one thirty-sixth (1/36th) of the remaining shares subject to the Option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). The Vesting Commencement Date is January 1, 2024.

Read SEC document
February 27, 2023 Filed Mar 1, 2023 22:16 UTC Nautilus Biotechnology, Inc. NAUT · Entity 6679 GrantStock Option (Right to Buy) · Derivative 160,000 $0.00 Strike: $2.00 $0.00
Disclosure

SEC source: 0001808805-23-000025 · wf-form4_167770896995980.xml · derivative · entry 1

Sankar Subramanian · CIK 0001856744 · Senior VP, Product Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 160,000

Underlying: Common Stock · 160,000 shares

Expires 2033-02-27

F1 · derivative.exercise_date: Subject to reporting person's continuous status as a "Service Provider" (as defined in the the Issuer's 2021 Equity Incentive Plan) through each vesting date, twenty-five percent (25%) of the shares subject to the Option shall vest on the one (1) year anniversary of the Vesting Commencement Date (as defined below), and one thirty-sixth (1/36th) of the remaining shares subject to the Option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). The Vesting Commencement Date is January 1, 2023.

Read SEC document
September 27, 2022 Filed Sep 28, 2022 20:01 UTC Nautilus Biotechnology, Inc. NAUT · Entity 6679 PurchaseCommon Stock 5,000 $2.03 $10,149.00
Disclosure

SEC source: 0001808805-22-000101 · wf-form4_166439528878324.xml · nonDerivative · entry 2

Sankar Subramanian · CIK 0001856744 · Senior VP, Product Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,250

F3 · price: Represents the weighted average share price of an aggregate total of 5,000 shares purchased in the price range of $2.02 to $2.04 by the reporting person. The reporting person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

Read SEC document
September 26, 2022 Filed Sep 28, 2022 20:01 UTC Nautilus Biotechnology, Inc. NAUT · Entity 6679 PurchaseCommon Stock 10,000 $2.03 $20,250.00
Disclosure

SEC source: 0001808805-22-000101 · wf-form4_166439528878324.xml · nonDerivative · entry 1

Sankar Subramanian · CIK 0001856744 · Senior VP, Product Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,250

F1 · price: Represents the weighted average share price of an aggregate total of 10,000 shares purchased in the price range of $2.00 to $2.05 by the reporting person. The reporting person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

F2 · balance_after: Includes 1,250 shares of Common Stock acquired on June 1, 2022 through the Issuer's 2021 Employee Stock Purchase Plan.

Read SEC document
September 16, 2022 Filed Sep 19, 2022 21:50 UTC Nautilus Biotechnology, Inc. NAUT · Entity 6679 PurchaseCommon Stock 35,000 $2.16 $75,446.00
Disclosure

SEC source: 0001808805-22-000097 · wf-form4_166362419701017.xml · nonDerivative · entry 2

Sankar Subramanian · CIK 0001856744 · Senior VP, Product Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,000

F2 · price: Represents the weighted average share price of an aggregate total of 35,000 shares purchased in the price range of $2.10 to $2.21 by the reporting person. The reporting person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

Read SEC document
September 15, 2022 Filed Sep 19, 2022 21:50 UTC Nautilus Biotechnology, Inc. NAUT · Entity 6679 PurchaseCommon Stock 40,000 $2.19 $87,752.00
Disclosure

SEC source: 0001808805-22-000097 · wf-form4_166362419701017.xml · nonDerivative · entry 1

Sankar Subramanian · CIK 0001856744 · Senior VP, Product Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

F1 · price: Represents the weighted average share price of an aggregate total of 40,000 shares purchased in the price range of $2.145 to $2.2292 by the reporting person. The reporting person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

Read SEC document
February 25, 2022 Filed Feb 26, 2022 01:08 UTC Nautilus Biotechnology, Inc. NAUT · Entity 6679 GrantStock Option (Right to Buy) · Derivative 140,000 $0.00 Strike: $3.78 $0.00
Disclosure

SEC source: 0001808805-22-000021 · wf-form4_164583771063302.xml · derivative · entry 1

Sankar Subramanian · CIK 0001856744 · Senior VP, Product Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,000

Underlying: Common Stock · 140,000 shares

Expires 2032-02-25

F1 · derivative.exercise_date: Subject to reporting person's continuous status as a "Service Provider" (as defined in the the Issuer's 2021 Equity Incentive Plan) through each vesting date, twenty-five percent (25%) of the shares subject to the Option shall vest on the one (1) year anniversary of the Vesting Commencement Date (as defined below), and one thirty-sixth (1/36th) of the remaining shares subject to the Option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). The Vesting Commencement Date is February 25, 2022.

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.