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person · Reporting owner

Hesslein Robert W.

Disclosed activity across 3 companies

Tapewire entity
82368
SEC CIK
0001585018

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
ALNYLAM PHARMACEUTICALS, INC.ALNY · Entity 3132EVP, CLO and SecretaryMarch 03, 2025March 05, 2025
Voyager Therapeutics, Inc.VYGR · Entity 6271Senior VP & General CounselMarch 20, 2023March 22, 2023

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.

ALNYLAM PHARMACEUTICALS, INC.

Report date March 03, 2025 · Filed March 05, 2025

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect8,002 Reported balance After 2025-03-03 transaction · row 1
1 source row

Row 1 · 2025-03-03 · Grant · Acquired 757 · Balance 8,002

F1: These shares are represented by restricted stock units (RSUs) granted under the Amended and Restated 2018 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest over a three-year period, with one third vesting on each of the first, second and third anniversaries of the grant date, subject to the Reporting Persons continuous service with the Issuer as of each such vesting date.

Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $243.53 · Expires 2035-03-03Direct1,529 Reported balance After 2025-03-03 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2025-03-03 · Grant · Acquired 1,529 · Balance 1,529

F2: The stock option vests as to 25% of the shares on the first anniversary of the grant date and the remaining shares vest in equal installments at the end of each successive three-month period thereafter until the fourth anniversary of the grant date, subject to the Reporting Persons continuous service with the Issuer as of each such vesting date.

Filing footnotes · ownership attribution and instrument terms

F1: These shares are represented by restricted stock units (RSUs) granted under the Amended and Restated 2018 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest over a three-year period, with one third vesting on each of the first, second and third anniversaries of the grant date, subject to the Reporting Persons continuous service with the Issuer as of each such vesting date.

F2: The stock option vests as to 25% of the shares on the first anniversary of the grant date and the remaining shares vest in equal installments at the end of each successive three-month period thereafter until the fourth anniversary of the grant date, subject to the Reporting Persons continuous service with the Issuer as of each such vesting date.

Voyager Therapeutics, Inc.

Report date March 20, 2023 · Filed March 22, 2023

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect102,200 Reported balance After 2023-03-20 transaction · row 1
1 source row

Row 1 · 2023-03-20 · Sale · Disposed 4,410 · Balance 102,200

F1: Represents shares of common stock sold, pursuant to a durable automatic sales instruction letter effecting the sell-to-cover election of the Reporting Person to satisfy tax withholding obligations, in connection with the vesting of restricted stock units on March 19, 2023. The Reporting Person structured the durable automatic sales instructions to constitute a "binding contract" consistent with the affirmative defense to liability under Rule 10b5-1. The sales do not represent a discretionary trade by the Reporting Person.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.58 to $7.94, inclusive. The Reporting Person undertakes to provide to Voyager Therapeutics, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

Filing footnotes · ownership attribution and instrument terms

F1: Represents shares of common stock sold, pursuant to a durable automatic sales instruction letter effecting the sell-to-cover election of the Reporting Person to satisfy tax withholding obligations, in connection with the vesting of restricted stock units on March 19, 2023. The Reporting Person structured the durable automatic sales instructions to constitute a "binding contract" consistent with the affirmative defense to liability under Rule 10b5-1. The sales do not represent a discretionary trade by the Reporting Person.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.58 to $7.94, inclusive. The Reporting Person undertakes to provide to Voyager Therapeutics, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

Past disclosures · reporting ended (1)

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

Foundation Medicine, Inc.

Report date July 31, 2018 · Filed August 02, 2018

Section 16 reporting ended · disclosed 2018-08-02. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect0 Ending reported balance After 2018-07-31 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2018-07-31 · Other · Disposed 76,494 · Balance 28,709

F1: Foundation Medicine, Inc., a Delaware corporation (the "Company") entered into an Agreement and Plan of Merger, dated as of June 18, 2018, as amended (the "Merger Agreement"), with Roche Holdings, Inc., a Delaware corporation ("Parent" or "Roche"), and 062018 Merger Subsidiary, Inc., a Delaware corporation and a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the Merger Agreement, Parent caused Merger Sub to conduct a tender offer (the "Tender Offer") for all of the issued and outstanding shares of common stock, par value $0.0001 per share, of the Company, at a price of $137 per share. On July 31, 2018, Merger Sub irrevocably accepted for payment all shares that were validly tendered and not withdrawn. On July 31, 2018, following consummation of the Tender Offer, Merger Sub merged with and into the Company.

F2: The amount reported represents the number of shares sold by the reporting person in connection with the Tender Offer by Roche.

Row 2 · 2018-07-31 · Other · Disposed 28,709 · Balance 0

F1: Foundation Medicine, Inc., a Delaware corporation (the "Company") entered into an Agreement and Plan of Merger, dated as of June 18, 2018, as amended (the "Merger Agreement"), with Roche Holdings, Inc., a Delaware corporation ("Parent" or "Roche"), and 062018 Merger Subsidiary, Inc., a Delaware corporation and a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the Merger Agreement, Parent caused Merger Sub to conduct a tender offer (the "Tender Offer") for all of the issued and outstanding shares of common stock, par value $0.0001 per share, of the Company, at a price of $137 per share. On July 31, 2018, Merger Sub irrevocably accepted for payment all shares that were validly tendered and not withdrawn. On July 31, 2018, following consummation of the Tender Offer, Merger Sub merged with and into the Company.

F3: The amount reported represents the number of unvested restricted stock units cancelled in connection with the Tender Offer by Roche and converted into the right to receive an amount in cash equal to the product of (1) the offer price of $137 per share multiplied by (2) the number of shares represented by such unvested restricted stock units, without interest and less any required withholding taxes. Payments are subject to the original vesting schedule and vesting conditions applicable to the underlying unvested restricted stock units.

Filing footnotes · ownership attribution and instrument terms

F1: Foundation Medicine, Inc., a Delaware corporation (the "Company") entered into an Agreement and Plan of Merger, dated as of June 18, 2018, as amended (the "Merger Agreement"), with Roche Holdings, Inc., a Delaware corporation ("Parent" or "Roche"), and 062018 Merger Subsidiary, Inc., a Delaware corporation and a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the Merger Agreement, Parent caused Merger Sub to conduct a tender offer (the "Tender Offer") for all of the issued and outstanding shares of common stock, par value $0.0001 per share, of the Company, at a price of $137 per share. On July 31, 2018, Merger Sub irrevocably accepted for payment all shares that were validly tendered and not withdrawn. On July 31, 2018, following consummation of the Tender Offer, Merger Sub merged with and into the Company.

F2: The amount reported represents the number of shares sold by the reporting person in connection with the Tender Offer by Roche.

F3: The amount reported represents the number of unvested restricted stock units cancelled in connection with the Tender Offer by Roche and converted into the right to receive an amount in cash equal to the product of (1) the offer price of $137 per share multiplied by (2) the number of shares represented by such unvested restricted stock units, without interest and less any required withholding taxes. Payments are subject to the original vesting schedule and vesting conditions applicable to the underlying unvested restricted stock units.

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 04, 2016 Filed Oct 5, 2016 16:05 UTC Foundation Medicine, Inc. FMI · Entity 164565 SaleCommon Stock 1,220 $23.65 $28,853.00
Disclosure

SEC source: 0001209191-16-144869 · doc4.xml · nonDerivative · entry 1

Hesslein Robert W. · CIK 0001585018 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,218

F1 · shares: Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of restricted stock units on October 1, 2016. This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a "sell to cover" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the reporting person.

F2 · price: The price reported in this Column 4 is a weighted average price. The shares were sold as part of a group sale of shares in multiple transactions at prices ranging from $23.31 to $23.72, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in this footnote.

F3 · balance_after: The reporting person previously reported restricted stock units granted to the reporting person on April 1, 2016 in Table I of the Form 4 filed on April 6, 2016. As such, no adjustment to the reporting person's beneficial interest needs to be made to reflect the vesting event related to this securities sale.

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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.