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Atlas Venture Associates XII, LLC

Disclosed activity across 3 companies

Tapewire entity
76809
SEC CIK
0001845871

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Disc Medicine, Inc.GMTX · Entity 227310% ownerFebruary 05, 2021February 11, 2021
Jade Biosciences, Inc.AVTE · Entity 475710% ownerJuly 02, 2021July 06, 2021

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.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect4,744,365 Reported balance Holding disclosure · report date 2021-02-05 · row 1 Holding and transaction disclosures are not merged.
1 source row

Row 1 · Balance 4,744,365

F1: Represents 4,744,365 shares issued as Merger Consideration pursuant to the Merger Agreement. Atlas Venture Associates X, L.P. ("Atlas X LP") is the general partner of Atlas Fund X, and Atlas Venture Associates X, LLC ("Atlas X LLC") is the general partner of Atlas X LP. Each of Atlas Fund X, Atlas X LP. and Atlas X LLC may be deemed to beneficially own the shares held by Atlas Fund X. Each of Atlas X LP and Atlas X LLC disclaim Section 16 beneficial ownership of the securities owned by Atlas Fund X. Atlas Venture Associates Opportunity I, L.P. ("Atlas I LP") is the general partner of Atlas Fund I, and Atlas Venture Associates Opportunity I, LLC ("AVAO, LLC") is the general partner of Atlas I LP. Each of Atlas Fund I, Atlas I LP and AVAO LLC may be deemed to beneficially own the shares held by Atlas Fund I. Each of Atlas I LP and AVAO LLC disclaim Section 16 beneficial ownership of the securities owned by Atlas Fund I.

Common StockSEC Table I · non-derivativeDirect510,000 Reported balance Holding disclosure · report date 2021-02-05 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 510,000

F2: Represents 510,000 shares issued in the private placement of public securities ("PIPE") on February 5, 2021 to Atlas Venture Fund XII, L.P. ("Atlas Fund XII"). The general partner of Atlas Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of Atlas Fund XII, AVA XII LP, and AVA XII LLC may be deemed to beneficially own the shares held by Atlas Fund XII. Each of AVA XII LP and AVA XII LLC disclaim Section 16 beneficial ownership of the securities owned by Atlas Fund XII, except to the extent of its pecuniary interest therein, if any.

Filing footnotes · ownership attribution and instrument terms

F1: Represents 4,744,365 shares issued as Merger Consideration pursuant to the Merger Agreement. Atlas Venture Associates X, L.P. ("Atlas X LP") is the general partner of Atlas Fund X, and Atlas Venture Associates X, LLC ("Atlas X LLC") is the general partner of Atlas X LP. Each of Atlas Fund X, Atlas X LP. and Atlas X LLC may be deemed to beneficially own the shares held by Atlas Fund X. Each of Atlas X LP and Atlas X LLC disclaim Section 16 beneficial ownership of the securities owned by Atlas Fund X. Atlas Venture Associates Opportunity I, L.P. ("Atlas I LP") is the general partner of Atlas Fund I, and Atlas Venture Associates Opportunity I, LLC ("AVAO, LLC") is the general partner of Atlas I LP. Each of Atlas Fund I, Atlas I LP and AVAO LLC may be deemed to beneficially own the shares held by Atlas Fund I. Each of Atlas I LP and AVAO LLC disclaim Section 16 beneficial ownership of the securities owned by Atlas Fund I.

F2: Represents 510,000 shares issued in the private placement of public securities ("PIPE") on February 5, 2021 to Atlas Venture Fund XII, L.P. ("Atlas Fund XII"). The general partner of Atlas Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of Atlas Fund XII, AVA XII LP, and AVA XII LLC may be deemed to beneficially own the shares held by Atlas Fund XII. Each of AVA XII LP and AVA XII LLC disclaim Section 16 beneficial ownership of the securities owned by Atlas Fund XII, except to the extent of its pecuniary interest therein, if any.

Jade Biosciences, Inc.

Report date July 02, 2021 · Filed July 06, 2021

Jointly reported with Atlas Venture Fund XII, L.P., Atlas Venture Associates XII, L.P.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect3,103,879 Last balance in matching sequence After 2021-07-02 transaction · row 2 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
2 source rows

Row 1 · 2021-07-02 · Conversion · Acquired 2,568,165 · Balance 2,568,165

F1: Each share of Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock converted into Common Stock on a one-for-3.1060103 basis upon the closing of the Issuer's initial public offering without payment or additional consideration. The Preferred Stock had no expiration date.

F2: The shares are held directly by Atlas Venture Fund XII, L.P. ("Atlas Fund XII"). The general partner of Atlas Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of AVA XII LP and AVA XII LLC disclaim Section 16 beneficial ownership of the securities owned by Atlas Fund XII, except to the extent of its pecuniary interest therein, if any.

Row 2 · 2021-07-02 · Purchase · Acquired 535,714 · Balance 3,103,879

F2: The shares are held directly by Atlas Venture Fund XII, L.P. ("Atlas Fund XII"). The general partner of Atlas Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of AVA XII LP and AVA XII LLC disclaim Section 16 beneficial ownership of the securities owned by Atlas Fund XII, except to the extent of its pecuniary interest therein, if any.

Series A Preferred StockSEC Table II · derivative / convertible securityDirect0 Reported balance After 2021-07-02 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2021-07-02 · Conversion · Disposed 7,976,754 · Balance 0

F1: Each share of Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock converted into Common Stock on a one-for-3.1060103 basis upon the closing of the Issuer's initial public offering without payment or additional consideration. The Preferred Stock had no expiration date.

F2: The shares are held directly by Atlas Venture Fund XII, L.P. ("Atlas Fund XII"). The general partner of Atlas Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of AVA XII LP and AVA XII LLC disclaim Section 16 beneficial ownership of the securities owned by Atlas Fund XII, except to the extent of its pecuniary interest therein, if any.

Filing footnotes · ownership attribution and instrument terms

F1: Each share of Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock converted into Common Stock on a one-for-3.1060103 basis upon the closing of the Issuer's initial public offering without payment or additional consideration. The Preferred Stock had no expiration date.

F2: The shares are held directly by Atlas Venture Fund XII, L.P. ("Atlas Fund XII"). The general partner of Atlas Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of AVA XII LP and AVA XII LLC disclaim Section 16 beneficial ownership of the securities owned by Atlas Fund XII, except to the extent of its pecuniary interest therein, if any.

Past disclosures · reporting ended (1)

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

Section 16 reporting ended · disclosed 2025-08-07. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect0 Reported balance After 2025-08-05 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2025-08-05 · Disposition to issuer · Disposed 4,808,896 · Balance 0

F1: The securities were disposed pursuant to the Agreement and Plan of Merger (the "Merger Agreement") by and among the Issuer, Sanofi ("Parent"), and Vesper Acquisition Sub Inc., a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the terms of the Merger Agreement, on August 5, 2025, Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer continuing as the surviving corporation in the Merger and as a wholly owned subsidiary of Parent. Each share of Issuer Common Stock issued and outstanding was converted into the right to receive (i) $8.00 per share of Common Stock in cash, without interest plus (ii) one contingent value right, representing the right to receive $2.00 payable in cash, conditioned upon satisfaction of a certain clinical milestone.

F2: These shares were held directly by Atlas Venture Fund XII, L.P. ("Atlas Venture Fund XII"). The general partner of Atlas Venture Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of AVA XII LP and AVA XII LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund XII, except to the extent of its pecuniary interest therein, if any.

Common StockSEC Table I · non-derivativeIndirectBy Atlas Venture Opportunity Fund I, L.P.0 Reported balance After 2025-08-05 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2025-08-05 · Disposition to issuer · Disposed 1,027,978 · Balance 0

F1: The securities were disposed pursuant to the Agreement and Plan of Merger (the "Merger Agreement") by and among the Issuer, Sanofi ("Parent"), and Vesper Acquisition Sub Inc., a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the terms of the Merger Agreement, on August 5, 2025, Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer continuing as the surviving corporation in the Merger and as a wholly owned subsidiary of Parent. Each share of Issuer Common Stock issued and outstanding was converted into the right to receive (i) $8.00 per share of Common Stock in cash, without interest plus (ii) one contingent value right, representing the right to receive $2.00 payable in cash, conditioned upon satisfaction of a certain clinical milestone.

F3: These shares were held directly by Atlas Venture Opportunity Fund I, L.P. ("Atlas Venture Opportunity Fund I"). The general partner of Atlas Venture Opportunity Fund I is Atlas Venture Associates Opportunity I, L.P. ("AVAO I LP"). Atlas Venture Associates Opportunity I, LLC ("AVAO I LLC") is the general partner of AVAO I LP. Each of AVAO I LP and AVAO I LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Opportunity Fund I, except to the extent of its pecuniary interest therein, if any.

Filing footnotes · ownership attribution and instrument terms

F1: The securities were disposed pursuant to the Agreement and Plan of Merger (the "Merger Agreement") by and among the Issuer, Sanofi ("Parent"), and Vesper Acquisition Sub Inc., a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the terms of the Merger Agreement, on August 5, 2025, Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer continuing as the surviving corporation in the Merger and as a wholly owned subsidiary of Parent. Each share of Issuer Common Stock issued and outstanding was converted into the right to receive (i) $8.00 per share of Common Stock in cash, without interest plus (ii) one contingent value right, representing the right to receive $2.00 payable in cash, conditioned upon satisfaction of a certain clinical milestone.

F2: These shares were held directly by Atlas Venture Fund XII, L.P. ("Atlas Venture Fund XII"). The general partner of Atlas Venture Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of AVA XII LP and AVA XII LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund XII, except to the extent of its pecuniary interest therein, if any.

F3: These shares were held directly by Atlas Venture Opportunity Fund I, L.P. ("Atlas Venture Opportunity Fund I"). The general partner of Atlas Venture Opportunity Fund I is Atlas Venture Associates Opportunity I, L.P. ("AVAO I LP"). Atlas Venture Associates Opportunity I, LLC ("AVAO I LLC") is the general partner of AVAO I LP. Each of AVAO I LP and AVAO I LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Opportunity Fund I, except to the extent of its pecuniary interest therein, if any.

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
August 05, 2025 Filed Aug 7, 2025 21:00 UTC Vigil Neuroscience, Inc. VIGL · Entity 11675 Disposition to issuerCommon Stock 1,027,978 Not disclosed Not disclosed
Disclosure

SEC source: 0001415889-25-021282 · form4-08072025_050805.xml · nonDerivative · entry 2

Atlas Venture Fund XII, L.P. · CIK 0001812049 · 10% owner

Atlas Venture Associates XII, L.P. · CIK 0001845875 · 10% owner

Atlas Venture Associates XII, LLC · CIK 0001845871 · 10% owner

Atlas Venture Opportunity Fund I, L.P. · CIK 0001759241 · 10% owner

Atlas Venture Associates Opportunity I, L.P. · CIK 0001780065 · 10% owner

Atlas Venture Associates Opportunity I, LLC · CIK 0001780066 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Atlas Venture Opportunity Fund I, L.P.

Disclosed balance after: 0

F1 · kind: The securities were disposed pursuant to the Agreement and Plan of Merger (the "Merger Agreement") by and among the Issuer, Sanofi ("Parent"), and Vesper Acquisition Sub Inc., a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the terms of the Merger Agreement, on August 5, 2025, Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer continuing as the surviving corporation in the Merger and as a wholly owned subsidiary of Parent. Each share of Issuer Common Stock issued and outstanding was converted into the right to receive (i) $8.00 per share of Common Stock in cash, without interest plus (ii) one contingent value right, representing the right to receive $2.00 payable in cash, conditioned upon satisfaction of a certain clinical milestone.

F1 · price: The securities were disposed pursuant to the Agreement and Plan of Merger (the "Merger Agreement") by and among the Issuer, Sanofi ("Parent"), and Vesper Acquisition Sub Inc., a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the terms of the Merger Agreement, on August 5, 2025, Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer continuing as the surviving corporation in the Merger and as a wholly owned subsidiary of Parent. Each share of Issuer Common Stock issued and outstanding was converted into the right to receive (i) $8.00 per share of Common Stock in cash, without interest plus (ii) one contingent value right, representing the right to receive $2.00 payable in cash, conditioned upon satisfaction of a certain clinical milestone.

F3 · ownership.nature: These shares were held directly by Atlas Venture Opportunity Fund I, L.P. ("Atlas Venture Opportunity Fund I"). The general partner of Atlas Venture Opportunity Fund I is Atlas Venture Associates Opportunity I, L.P. ("AVAO I LP"). Atlas Venture Associates Opportunity I, LLC ("AVAO I LLC") is the general partner of AVAO I LP. Each of AVAO I LP and AVAO I LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Opportunity Fund I, except to the extent of its pecuniary interest therein, if any.

Read SEC document
August 05, 2025 Filed Aug 7, 2025 21:00 UTC Vigil Neuroscience, Inc. VIGL · Entity 11675 Disposition to issuerCommon Stock 4,808,896 Not disclosed Not disclosed
Disclosure

SEC source: 0001415889-25-021282 · form4-08072025_050805.xml · nonDerivative · entry 1

Atlas Venture Fund XII, L.P. · CIK 0001812049 · 10% owner

Atlas Venture Associates XII, L.P. · CIK 0001845875 · 10% owner

Atlas Venture Associates XII, LLC · CIK 0001845871 · 10% owner

Atlas Venture Opportunity Fund I, L.P. · CIK 0001759241 · 10% owner

Atlas Venture Associates Opportunity I, L.P. · CIK 0001780065 · 10% owner

Atlas Venture Associates Opportunity I, LLC · CIK 0001780066 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The securities were disposed pursuant to the Agreement and Plan of Merger (the "Merger Agreement") by and among the Issuer, Sanofi ("Parent"), and Vesper Acquisition Sub Inc., a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the terms of the Merger Agreement, on August 5, 2025, Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer continuing as the surviving corporation in the Merger and as a wholly owned subsidiary of Parent. Each share of Issuer Common Stock issued and outstanding was converted into the right to receive (i) $8.00 per share of Common Stock in cash, without interest plus (ii) one contingent value right, representing the right to receive $2.00 payable in cash, conditioned upon satisfaction of a certain clinical milestone.

F1 · price: The securities were disposed pursuant to the Agreement and Plan of Merger (the "Merger Agreement") by and among the Issuer, Sanofi ("Parent"), and Vesper Acquisition Sub Inc., a wholly owned subsidiary of Parent ("Merger Sub"). Pursuant to the terms of the Merger Agreement, on August 5, 2025, Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer continuing as the surviving corporation in the Merger and as a wholly owned subsidiary of Parent. Each share of Issuer Common Stock issued and outstanding was converted into the right to receive (i) $8.00 per share of Common Stock in cash, without interest plus (ii) one contingent value right, representing the right to receive $2.00 payable in cash, conditioned upon satisfaction of a certain clinical milestone.

F2 · ownership.direct: These shares were held directly by Atlas Venture Fund XII, L.P. ("Atlas Venture Fund XII"). The general partner of Atlas Venture Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of AVA XII LP and AVA XII LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund XII, except to the extent of its pecuniary interest therein, if any.

Read SEC document
January 11, 2022 Filed Jan 12, 2022 02:15 UTC Vigil Neuroscience, Inc. VIGL · Entity 11675 ConversionSeries B Preferred Stock · Derivative 2,850,789 $0.00 $0.00
Disclosure

SEC source: 0000899243-22-001654 · doc4.xml · derivative · entry 5

Atlas Venture Fund XII, L.P. · CIK 0001812049 · 10% owner

Atlas Venture Associates XII, L.P. · CIK 0001845875 · 10% owner

Atlas Venture Associates XII, LLC · CIK 0001845871 · 10% owner

Atlas Venture Opportunity Fund I, L.P. · CIK 0001759241 · 10% owner

Atlas Venture Associates Opportunity I, L.P. · CIK 0001780065 · 10% owner

Atlas Venture Associates Opportunity I, LLC · CIK 0001780066 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Atlas Venture Opportunity Fund I, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 1,027,978 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 share of Series A Preferred Stock and Series B Preferred Stock automatically converted into shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") on a one-for-2.7732 basis upon the closing of the Issuer's initial public offering on January 11, 2022 and had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock and Series B Preferred Stock automatically converted into shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") on a one-for-2.7732 basis upon the closing of the Issuer's initial public offering on January 11, 2022 and had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock and Series B Preferred Stock automatically converted into shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") on a one-for-2.7732 basis upon the closing of the Issuer's initial public offering on January 11, 2022 and had no expiration date.

F3 · ownership.nature: These shares are held directly by Atlas Venture Opportunity Fund I, L.P. ("Atlas Venture Opportunity Fund I"). The general partner of Atlas Venture Opportunity Fund I is Atlas Venture Associates Opportunity I, L.P. ("AVAO I LP"). Atlas Venture Associates Opportunity I, LLC ("AVAO I LLC") is the general partner of AVAO I LP. Each of AVAO I LP and AVAO I LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Opportunity Fund I, except to the extent of its pecuniary interest therein, if any.

Read SEC document
January 11, 2022 Filed Jan 12, 2022 02:15 UTC Vigil Neuroscience, Inc. VIGL · Entity 11675 ConversionSeries A Preferred Stock · Derivative 7,852,374 $0.00 $0.00
Disclosure

SEC source: 0000899243-22-001654 · doc4.xml · derivative · entry 4

Atlas Venture Fund XII, L.P. · CIK 0001812049 · 10% owner

Atlas Venture Associates XII, L.P. · CIK 0001845875 · 10% owner

Atlas Venture Associates XII, LLC · CIK 0001845871 · 10% owner

Atlas Venture Opportunity Fund I, L.P. · CIK 0001759241 · 10% owner

Atlas Venture Associates Opportunity I, L.P. · CIK 0001780065 · 10% owner

Atlas Venture Associates Opportunity I, LLC · CIK 0001780066 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Atlas Venture Fund XII, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 2,831,520 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 share of Series A Preferred Stock and Series B Preferred Stock automatically converted into shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") on a one-for-2.7732 basis upon the closing of the Issuer's initial public offering on January 11, 2022 and had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock and Series B Preferred Stock automatically converted into shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") on a one-for-2.7732 basis upon the closing of the Issuer's initial public offering on January 11, 2022 and had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock and Series B Preferred Stock automatically converted into shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") on a one-for-2.7732 basis upon the closing of the Issuer's initial public offering on January 11, 2022 and had no expiration date.

F2 · ownership.nature: These shares are held directly by Atlas Venture Fund XII, L.P. ("Atlas Venture Fund XII"). The general partner of Atlas Venture Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of AVA XII LP and AVA XII LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund XII, except to the extent of its pecuniary interest therein, if any.

Read SEC document
January 11, 2022 Filed Jan 12, 2022 02:15 UTC Vigil Neuroscience, Inc. VIGL · Entity 11675 PurchaseCommon Stock 535,000 $14.00 $7,490,000.00
Disclosure

SEC source: 0000899243-22-001654 · doc4.xml · nonDerivative · entry 3

Atlas Venture Fund XII, L.P. · CIK 0001812049 · 10% owner

Atlas Venture Associates XII, L.P. · CIK 0001845875 · 10% owner

Atlas Venture Associates XII, LLC · CIK 0001845871 · 10% owner

Atlas Venture Opportunity Fund I, L.P. · CIK 0001759241 · 10% owner

Atlas Venture Associates Opportunity I, L.P. · CIK 0001780065 · 10% owner

Atlas Venture Associates Opportunity I, LLC · CIK 0001780066 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Atlas Venture Fund XII, L.P.

Disclosed balance after: 4,808,896

F4 · price: On January 11, 2022, Atlas Venture Fund XII purchased 535,000 shares of Common Stock of the Issuer at a price of $14.00 per share pursuant to an underwritten public offering.

F2 · ownership.nature: These shares are held directly by Atlas Venture Fund XII, L.P. ("Atlas Venture Fund XII"). The general partner of Atlas Venture Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of AVA XII LP and AVA XII LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund XII, except to the extent of its pecuniary interest therein, if any.

Read SEC document
January 11, 2022 Filed Jan 12, 2022 02:15 UTC Vigil Neuroscience, Inc. VIGL · Entity 11675 ConversionCommon Stock 1,027,978 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-22-001654 · doc4.xml · nonDerivative · entry 2

Atlas Venture Fund XII, L.P. · CIK 0001812049 · 10% owner

Atlas Venture Associates XII, L.P. · CIK 0001845875 · 10% owner

Atlas Venture Associates XII, LLC · CIK 0001845871 · 10% owner

Atlas Venture Opportunity Fund I, L.P. · CIK 0001759241 · 10% owner

Atlas Venture Associates Opportunity I, L.P. · CIK 0001780065 · 10% owner

Atlas Venture Associates Opportunity I, LLC · CIK 0001780066 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Atlas Venture Opportunity Fund I, L.P.

Disclosed balance after: 1,027,978

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 share of Series A Preferred Stock and Series B Preferred Stock automatically converted into shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") on a one-for-2.7732 basis upon the closing of the Issuer's initial public offering on January 11, 2022 and had no expiration date.

F3 · ownership.nature: These shares are held directly by Atlas Venture Opportunity Fund I, L.P. ("Atlas Venture Opportunity Fund I"). The general partner of Atlas Venture Opportunity Fund I is Atlas Venture Associates Opportunity I, L.P. ("AVAO I LP"). Atlas Venture Associates Opportunity I, LLC ("AVAO I LLC") is the general partner of AVAO I LP. Each of AVAO I LP and AVAO I LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Opportunity Fund I, except to the extent of its pecuniary interest therein, if any.

Read SEC document
January 11, 2022 Filed Jan 12, 2022 02:15 UTC Vigil Neuroscience, Inc. VIGL · Entity 11675 ConversionCommon Stock 2,831,520 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-22-001654 · doc4.xml · nonDerivative · entry 1

Atlas Venture Fund XII, L.P. · CIK 0001812049 · 10% owner

Atlas Venture Associates XII, L.P. · CIK 0001845875 · 10% owner

Atlas Venture Associates XII, LLC · CIK 0001845871 · 10% owner

Atlas Venture Opportunity Fund I, L.P. · CIK 0001759241 · 10% owner

Atlas Venture Associates Opportunity I, L.P. · CIK 0001780065 · 10% owner

Atlas Venture Associates Opportunity I, LLC · CIK 0001780066 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Atlas Venture Fund XII, L.P.

Disclosed balance after: 4,273,896

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 share of Series A Preferred Stock and Series B Preferred Stock automatically converted into shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") on a one-for-2.7732 basis upon the closing of the Issuer's initial public offering on January 11, 2022 and had no expiration date.

F2 · ownership.nature: These shares are held directly by Atlas Venture Fund XII, L.P. ("Atlas Venture Fund XII"). The general partner of Atlas Venture Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of AVA XII LP and AVA XII LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund XII, except to the extent of its pecuniary interest therein, if any.

Read SEC document
July 02, 2021 Filed Jul 6, 2021 20:26 UTC Jade Biosciences, Inc. AVTE · Entity 4757 ConversionSeries A Preferred Stock · Derivative 7,976,754 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-21-089434 · tm2121485-1_4seq1.xml · derivative · entry 3

Atlas Venture Fund XII, L.P. · CIK 0001812049 · 10% owner

Atlas Venture Associates XII, L.P. · CIK 0001845875 · 10% owner

Atlas Venture Associates XII, LLC · CIK 0001845871 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,568,165 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 share of Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock converted into Common Stock on a one-for-3.1060103 basis upon the closing of the Issuer's initial public offering without payment or additional consideration. The Preferred Stock had no expiration date.

F1 · price: Each share of Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock converted into Common Stock on a one-for-3.1060103 basis upon the closing of the Issuer's initial public offering without payment or additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock converted into Common Stock on a one-for-3.1060103 basis upon the closing of the Issuer's initial public offering without payment or additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock converted into Common Stock on a one-for-3.1060103 basis upon the closing of the Issuer's initial public offering without payment or additional consideration. The Preferred Stock had no expiration date.

F2 · ownership.direct: The shares are held directly by Atlas Venture Fund XII, L.P. ("Atlas Fund XII"). The general partner of Atlas Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of AVA XII LP and AVA XII LLC disclaim Section 16 beneficial ownership of the securities owned by Atlas Fund XII, except to the extent of its pecuniary interest therein, if any.

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July 02, 2021 Filed Jul 6, 2021 20:26 UTC Jade Biosciences, Inc. AVTE · Entity 4757 PurchaseCommon Stock 535,714 $14.00 $7,499,996.00
Disclosure

SEC source: 0001104659-21-089434 · tm2121485-1_4seq1.xml · nonDerivative · entry 2

Atlas Venture Fund XII, L.P. · CIK 0001812049 · 10% owner

Atlas Venture Associates XII, L.P. · CIK 0001845875 · 10% owner

Atlas Venture Associates XII, LLC · CIK 0001845871 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,103,879

F2 · ownership.direct: The shares are held directly by Atlas Venture Fund XII, L.P. ("Atlas Fund XII"). The general partner of Atlas Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of AVA XII LP and AVA XII LLC disclaim Section 16 beneficial ownership of the securities owned by Atlas Fund XII, except to the extent of its pecuniary interest therein, if any.

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July 02, 2021 Filed Jul 6, 2021 20:26 UTC Jade Biosciences, Inc. AVTE · Entity 4757 ConversionCommon Stock 2,568,165 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-21-089434 · tm2121485-1_4seq1.xml · nonDerivative · entry 1

Atlas Venture Fund XII, L.P. · CIK 0001812049 · 10% owner

Atlas Venture Associates XII, L.P. · CIK 0001845875 · 10% owner

Atlas Venture Associates XII, LLC · CIK 0001845871 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,568,165

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 share of Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock converted into Common Stock on a one-for-3.1060103 basis upon the closing of the Issuer's initial public offering without payment or additional consideration. The Preferred Stock had no expiration date.

F2 · ownership.direct: The shares are held directly by Atlas Venture Fund XII, L.P. ("Atlas Fund XII"). The general partner of Atlas Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of AVA XII LP and AVA XII LLC disclaim Section 16 beneficial ownership of the securities owned by Atlas Fund XII, except to the extent of its pecuniary interest therein, if any.

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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.