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organization · Reporting owner

SV Life Sciences Fund VI (GP), L.P.

Disclosed activity across 3 companies

Tapewire entity
105496
SEC CIK
0001717730

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
MISONIX INCMSON · Entity 13270110% ownerSeptember 27, 2019October 07, 2019
TRex Bio, Inc.TRXB · Entity 18430810% ownerOctober 08, 2026October 13, 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.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectBy: SV Life Sciences Fund VI, L.P.1,639,826 Reported balance Holding disclosure · report date 2019-09-27 · row 1 Holding and transaction disclosures are not merged.
1 source row

Row 1 · Balance 1,639,826

F1: Acquired pursuant to the Agreement and Plan of Merger between Misonix, Inc., New Misonix, Inc., Motor Reincorp. Sub One, Inc., Surge Sub Two, LLC, Solsys Medical, LLC ("Solsys"), and Greg Madden solely in his capacity as representative, in exchange for 27,116,608 Series E Preferred Units of Solsys. The Merger Agreement placed a value on the issuer's common stock of $18.5479, which reflects the 10-day VWAP for the issuer's common stock as of three business days prior to the effective date of the merger.

F2: These shares are owned directly by SV Life Sciences Fund VI, L.P. ("SVLS VI LP"). 199,617 of the shares issued to SVLS VI LP are being held in escrow and are subject to forfeiture during the 15 month-period following the merger to satisfy any post-closing purchase price adjustments and indemnification claims. SV Life Sciences Fund VI (GP), L.P. ("SVLS VI GP"), the general partner of SVLS VI LP, may be deemed to share voting and dispositive power over the shares held by SVLS VI LP. SVLS VI GP disclaims beneficial ownership of shares held by SVLS VI LP except to the extent of any pecuniary interests therein.

F4: SVLS VI LP and Strategic Partners (each a "Fund," or collectively the "Funds") may be deemed to beneficially own the shares held by each other Fund because of certain contractual relationships among the Funds and their affiliates. The Funds disclaim beneficial ownership of shares held by any other Fund except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectBy: SV Life Sciences Fund VI Strategic Partners, L.P.56,143 Reported balance Holding disclosure · report date 2019-09-27 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 56,143

F1: Acquired pursuant to the Agreement and Plan of Merger between Misonix, Inc., New Misonix, Inc., Motor Reincorp. Sub One, Inc., Surge Sub Two, LLC, Solsys Medical, LLC ("Solsys"), and Greg Madden solely in his capacity as representative, in exchange for 27,116,608 Series E Preferred Units of Solsys. The Merger Agreement placed a value on the issuer's common stock of $18.5479, which reflects the 10-day VWAP for the issuer's common stock as of three business days prior to the effective date of the merger.

F3: These shares are owned directly by SV Life Sciences Fund VI Strategic Partners, L.P. ("Strategic Partners"). 6,834 of the shares issued to Strategic Partners are being held in escrow and are subject to forfeiture during the 15 month-period following the merger to satisfy any post-closing purchase price adjustments and indemnification claims. SVLS VI GP, the general partner of Strategic Partners, may be deemed to share voting and dispositive power over the shares held by Strategic Partners. SVLS VI GP disclaims beneficial ownership of shares held by Strategic Partners except to the extent of any pecuniary interests therein.

F4: SVLS VI LP and Strategic Partners (each a "Fund," or collectively the "Funds") may be deemed to beneficially own the shares held by each other Fund because of certain contractual relationships among the Funds and their affiliates. The Funds disclaim beneficial ownership of shares held by any other Fund except to the extent of any pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Acquired pursuant to the Agreement and Plan of Merger between Misonix, Inc., New Misonix, Inc., Motor Reincorp. Sub One, Inc., Surge Sub Two, LLC, Solsys Medical, LLC ("Solsys"), and Greg Madden solely in his capacity as representative, in exchange for 27,116,608 Series E Preferred Units of Solsys. The Merger Agreement placed a value on the issuer's common stock of $18.5479, which reflects the 10-day VWAP for the issuer's common stock as of three business days prior to the effective date of the merger.

F2: These shares are owned directly by SV Life Sciences Fund VI, L.P. ("SVLS VI LP"). 199,617 of the shares issued to SVLS VI LP are being held in escrow and are subject to forfeiture during the 15 month-period following the merger to satisfy any post-closing purchase price adjustments and indemnification claims. SV Life Sciences Fund VI (GP), L.P. ("SVLS VI GP"), the general partner of SVLS VI LP, may be deemed to share voting and dispositive power over the shares held by SVLS VI LP. SVLS VI GP disclaims beneficial ownership of shares held by SVLS VI LP except to the extent of any pecuniary interests therein.

F3: These shares are owned directly by SV Life Sciences Fund VI Strategic Partners, L.P. ("Strategic Partners"). 6,834 of the shares issued to Strategic Partners are being held in escrow and are subject to forfeiture during the 15 month-period following the merger to satisfy any post-closing purchase price adjustments and indemnification claims. SVLS VI GP, the general partner of Strategic Partners, may be deemed to share voting and dispositive power over the shares held by Strategic Partners. SVLS VI GP disclaims beneficial ownership of shares held by Strategic Partners except to the extent of any pecuniary interests therein.

F4: SVLS VI LP and Strategic Partners (each a "Fund," or collectively the "Funds") may be deemed to beneficially own the shares held by each other Fund because of certain contractual relationships among the Funds and their affiliates. The Funds disclaim beneficial ownership of shares held by any other Fund except to the extent of any pecuniary interest therein.

TRex Bio, Inc.

Report date October 08, 2026 · Filed October 13, 2026

Jointly reported with SVLSF VI, LLC, SV Life Sciences Fund VI, L.P.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectBy SV Life Sciences Fund VI, L.P.214,869 Reported balance After 2026-10-08 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2026-10-08 · Purchase · Acquired 89,783 · Balance 214,869

F1: The shares are held directly by SV Life Sciences Fund VI, L.P. ("SV Fund VI"). SV Life Sciences Fund VI (GP), L.P. (the "GP LP") is the general partner of SV Fund VI, and SVLSF VI, LLC ("SVLSF") is the general partner of GP LP. Investment and voting decisions of SV Fund VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

F5: Represents shares purchased by SV Fund VI in the issuer's initial public offering.

Common StockSEC Table I · non-derivativeIndirectBy SV Life Sciences Fund VI, L.P.1,788,943 Reported balance After 2026-10-13 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2026-10-13 · Conversion · Acquired 1,574,074 · Balance 1,788,943

F1: The shares are held directly by SV Life Sciences Fund VI, L.P. ("SV Fund VI"). SV Life Sciences Fund VI (GP), L.P. (the "GP LP") is the general partner of SV Fund VI, and SVLSF VI, LLC ("SVLSF") is the general partner of GP LP. Investment and voting decisions of SV Fund VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

Common StockSEC Table I · non-derivativeIndirectBy SV Life Sciences Fund VI, L.P.2,264,354 Reported balance After 2026-10-13 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 3 · 2026-10-13 · Conversion · Acquired 475,411 · Balance 2,264,354

F1: The shares are held directly by SV Life Sciences Fund VI, L.P. ("SV Fund VI"). SV Life Sciences Fund VI (GP), L.P. (the "GP LP") is the general partner of SV Fund VI, and SVLSF VI, LLC ("SVLSF") is the general partner of GP LP. Investment and voting decisions of SV Fund VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

Common StockSEC Table I · non-derivativeIndirectBy SV Life Sciences Fund VI Strategic Partners, L.P.7,356 Reported balance After 2026-10-08 transaction · row 4 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 4 · 2026-10-08 · Purchase · Acquired 3,074 · Balance 7,356

F2: The shares are held directly by SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Strategic Partners VI"). GP LP is the general partner of SV Strategic Partners VI, and SVLSF is the general partner of GP LP. Investment and voting decisions of SV Strategic Partners VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

F6: Represents shares purchased by SV Strategic Partners VI in the issuer's initial public offering.

Common StockSEC Table I · non-derivativeIndirectBy SV Life Sciences Fund VI Strategic Partners, L.P.61,248 Reported balance After 2026-10-13 transaction · row 5 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 5 · 2026-10-13 · Conversion · Acquired 53,892 · Balance 61,248

F2: The shares are held directly by SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Strategic Partners VI"). GP LP is the general partner of SV Strategic Partners VI, and SVLSF is the general partner of GP LP. Investment and voting decisions of SV Strategic Partners VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

Common StockSEC Table I · non-derivativeIndirectBy SV Life Sciences Fund VI Strategic Partners, L.P.77,525 Reported balance After 2026-10-13 transaction · row 6 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 6 · 2026-10-13 · Conversion · Acquired 16,277 · Balance 77,525

F2: The shares are held directly by SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Strategic Partners VI"). GP LP is the general partner of SV Strategic Partners VI, and SVLSF is the general partner of GP LP. Investment and voting decisions of SV Strategic Partners VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

Common StockSEC Table I · non-derivativeIndirectBy SV Trex Coinvestment, L.P.669,939 Reported balance After 2026-10-13 transaction · row 7 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 7 · 2026-10-13 · Conversion · Acquired 669,939 · Balance 669,939

F3: The shares are held directly by SV Trex Coinvestment, L.P. ("SV Coinvestment"). GP LP is the general partner of SV Coinvestment, and SVLSF is the general partner of GP LP. Investment and voting decisions of SV Coinvestment are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership and this report is not an admission of beneficial ownership for any other purpose.

Series A Preferred StockSEC Table II · derivative / convertible securityIndirectBy SV Life Sciences Fund VI, L.P.0 Reported balance After 2026-10-13 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2026-10-13 · Conversion · Disposed 1,574,074 · Balance 0

F4: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F1: The shares are held directly by SV Life Sciences Fund VI, L.P. ("SV Fund VI"). SV Life Sciences Fund VI (GP), L.P. (the "GP LP") is the general partner of SV Fund VI, and SVLSF VI, LLC ("SVLSF") is the general partner of GP LP. Investment and voting decisions of SV Fund VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

Series B Preferred StockSEC Table II · derivative / convertible securityIndirectBy SV Life Sciences Fund VI, L.P.0 Reported balance After 2026-10-13 transaction · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · 2026-10-13 · Conversion · Disposed 475,411 · Balance 0

F4: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F1: The shares are held directly by SV Life Sciences Fund VI, L.P. ("SV Fund VI"). SV Life Sciences Fund VI (GP), L.P. (the "GP LP") is the general partner of SV Fund VI, and SVLSF VI, LLC ("SVLSF") is the general partner of GP LP. Investment and voting decisions of SV Fund VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

Series A Preferred StockSEC Table II · derivative / convertible securityIndirectBy SV Life Sciences Fund VI Strategic Partners, L.P.0 Reported balance After 2026-10-13 transaction · row 10 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 10 · 2026-10-13 · Conversion · Disposed 53,892 · Balance 0

F4: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F2: The shares are held directly by SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Strategic Partners VI"). GP LP is the general partner of SV Strategic Partners VI, and SVLSF is the general partner of GP LP. Investment and voting decisions of SV Strategic Partners VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

Series B Preferred StockSEC Table II · derivative / convertible securityIndirectBy SV Life Sciences Fund VI Strategic Partners, L.P.0 Reported balance After 2026-10-13 transaction · row 11 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 11 · 2026-10-13 · Conversion · Disposed 16,277 · Balance 0

F4: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F2: The shares are held directly by SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Strategic Partners VI"). GP LP is the general partner of SV Strategic Partners VI, and SVLSF is the general partner of GP LP. Investment and voting decisions of SV Strategic Partners VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

Series B Preferred StockSEC Table II · derivative / convertible securityIndirectBy SV Trex Coinvestment, L.P.0 Reported balance After 2026-10-13 transaction · row 12 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 12 · 2026-10-13 · Conversion · Disposed 669,939 · Balance 0

F4: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F3: The shares are held directly by SV Trex Coinvestment, L.P. ("SV Coinvestment"). GP LP is the general partner of SV Coinvestment, and SVLSF is the general partner of GP LP. Investment and voting decisions of SV Coinvestment are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership and this report is not an admission of beneficial ownership for any other purpose.

Filing footnotes · ownership attribution and instrument terms

F1: The shares are held directly by SV Life Sciences Fund VI, L.P. ("SV Fund VI"). SV Life Sciences Fund VI (GP), L.P. (the "GP LP") is the general partner of SV Fund VI, and SVLSF VI, LLC ("SVLSF") is the general partner of GP LP. Investment and voting decisions of SV Fund VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

F2: The shares are held directly by SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Strategic Partners VI"). GP LP is the general partner of SV Strategic Partners VI, and SVLSF is the general partner of GP LP. Investment and voting decisions of SV Strategic Partners VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

F3: The shares are held directly by SV Trex Coinvestment, L.P. ("SV Coinvestment"). GP LP is the general partner of SV Coinvestment, and SVLSF is the general partner of GP LP. Investment and voting decisions of SV Coinvestment are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership and this report is not an admission of beneficial ownership for any other purpose.

F4: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F5: Represents shares purchased by SV Fund VI in the issuer's initial public offering.

F6: Represents shares purchased by SV Strategic Partners VI in the issuer's initial public offering.

Past disclosures · reporting ended (1)

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

Tectonic Therapeutic, Inc.

Report date January 16, 2019 · Filed January 18, 2019

Jointly reported with SVLSF VI, LLC, SV Life Sciences Fund VI, L.P., SV Life Sciences Fund VI Strategic Partners, L.P.

Section 16 reporting ended · disclosed 2019-01-18. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee Footnote1,866,791 Reported balance After 2019-01-16 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2019-01-16 · Other · Disposed 778,663 · Balance 1,866,791

F1: SV Life Sciences Fund VI, L.P. ("SV Life LP") distributed the shares to its limited partners on a pro rata basis.

F2: The shares are held directly by SV Life LP. SV Life Sciences Fund VI (GP), L.P. ("SV Fund VI GP") is the general partner of SV Life LP. The general partner of SV Fund VI GP is SVLSF VI, LLC. Each of SV Fund VI GP and SVLSF VI, LLC disclaims beneficial ownership of the shares owned directly by SV Life LP, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee Footnote63,913 Reported balance After 2019-01-16 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2019-01-16 · Other · Disposed 26,660 · Balance 63,913

F3: SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Life SP LP") distributed the shares to its limited partners on a pro rata basis.

F4: The shares are held directly by SV Life SP LP. SV Fund VI GP is the general partner of SV Life SP LP. The general partner of SV Fund VI GP is SVLSF VI, LLC. Each of SV Fund VI GP, and SVLSF VI, LLC disclaims beneficial ownership of the shares owned directly by SV Life SP LP, except to the extent of any pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: SV Life Sciences Fund VI, L.P. ("SV Life LP") distributed the shares to its limited partners on a pro rata basis.

F2: The shares are held directly by SV Life LP. SV Life Sciences Fund VI (GP), L.P. ("SV Fund VI GP") is the general partner of SV Life LP. The general partner of SV Fund VI GP is SVLSF VI, LLC. Each of SV Fund VI GP and SVLSF VI, LLC disclaims beneficial ownership of the shares owned directly by SV Life LP, except to the extent of any pecuniary interest therein.

F3: SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Life SP LP") distributed the shares to its limited partners on a pro rata basis.

F4: The shares are held directly by SV Life SP LP. SV Fund VI GP is the general partner of SV Life SP LP. The general partner of SV Fund VI GP is SVLSF VI, LLC. Each of SV Fund VI GP, and SVLSF VI, LLC disclaims beneficial ownership of the shares owned directly by SV Life SP LP, except to the extent of any pecuniary interest therein.

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 13, 2026 Filed Oct 13, 2026 20:30 UTC TRex Bio, Inc. TRXB · Entity 184308 ConversionSeries B Preferred Stock · Derivative 669,939 $0.00 $0.00
Disclosure

SEC source: 0001829126-26-011084 · ownership.xml · derivative · entry 12

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By SV Trex Coinvestment, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 669,939 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.

F4 · derivative.exercise_price: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F4 · derivative.exercise_date: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F4 · derivative.expiration_date: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F3 · ownership.nature: The shares are held directly by SV Trex Coinvestment, L.P. ("SV Coinvestment"). GP LP is the general partner of SV Coinvestment, and SVLSF is the general partner of GP LP. Investment and voting decisions of SV Coinvestment are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership and this report is not an admission of beneficial ownership for any other purpose.

Read SEC document
October 13, 2026 Filed Oct 13, 2026 20:30 UTC TRex Bio, Inc. TRXB · Entity 184308 ConversionSeries B Preferred Stock · Derivative 16,277 $0.00 $0.00
Disclosure

SEC source: 0001829126-26-011084 · ownership.xml · derivative · entry 11

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By SV Life Sciences Fund VI Strategic Partners, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 16,277 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.

F4 · derivative.exercise_price: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F4 · derivative.exercise_date: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F4 · derivative.expiration_date: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F2 · ownership.nature: The shares are held directly by SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Strategic Partners VI"). GP LP is the general partner of SV Strategic Partners VI, and SVLSF is the general partner of GP LP. Investment and voting decisions of SV Strategic Partners VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

Read SEC document
October 13, 2026 Filed Oct 13, 2026 20:30 UTC TRex Bio, Inc. TRXB · Entity 184308 ConversionSeries A Preferred Stock · Derivative 53,892 $0.00 $0.00
Disclosure

SEC source: 0001829126-26-011084 · ownership.xml · derivative · entry 10

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By SV Life Sciences Fund VI Strategic Partners, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 53,892 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.

F4 · derivative.exercise_price: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F4 · derivative.exercise_date: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F4 · derivative.expiration_date: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F2 · ownership.nature: The shares are held directly by SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Strategic Partners VI"). GP LP is the general partner of SV Strategic Partners VI, and SVLSF is the general partner of GP LP. Investment and voting decisions of SV Strategic Partners VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

Read SEC document
October 13, 2026 Filed Oct 13, 2026 20:30 UTC TRex Bio, Inc. TRXB · Entity 184308 ConversionSeries B Preferred Stock · Derivative 475,411 $0.00 $0.00
Disclosure

SEC source: 0001829126-26-011084 · ownership.xml · derivative · entry 9

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By SV Life Sciences Fund VI, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 475,411 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.

F4 · derivative.exercise_price: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F4 · derivative.exercise_date: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F4 · derivative.expiration_date: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F1 · ownership.nature: The shares are held directly by SV Life Sciences Fund VI, L.P. ("SV Fund VI"). SV Life Sciences Fund VI (GP), L.P. (the "GP LP") is the general partner of SV Fund VI, and SVLSF VI, LLC ("SVLSF") is the general partner of GP LP. Investment and voting decisions of SV Fund VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

Read SEC document
October 13, 2026 Filed Oct 13, 2026 20:30 UTC TRex Bio, Inc. TRXB · Entity 184308 ConversionSeries A Preferred Stock · Derivative 1,574,074 $0.00 $0.00
Disclosure

SEC source: 0001829126-26-011084 · ownership.xml · derivative · entry 8

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By SV Life Sciences Fund VI, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 1,574,074 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.

F4 · derivative.exercise_price: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F4 · derivative.exercise_date: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F4 · derivative.expiration_date: On October 13, 2026, 3.8649 shares of preferred stock automatically converted into one share of common stock upon the closing of the issuer's initial public offering, for no additional consideration. The preferred stock has no expiration date.

F1 · ownership.nature: The shares are held directly by SV Life Sciences Fund VI, L.P. ("SV Fund VI"). SV Life Sciences Fund VI (GP), L.P. (the "GP LP") is the general partner of SV Fund VI, and SVLSF VI, LLC ("SVLSF") is the general partner of GP LP. Investment and voting decisions of SV Fund VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

Read SEC document
October 13, 2026 Filed Oct 13, 2026 20:30 UTC TRex Bio, Inc. TRXB · Entity 184308 ConversionCommon Stock 669,939 $0.00 $0.00
Disclosure

SEC source: 0001829126-26-011084 · ownership.xml · nonDerivative · entry 7

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By SV Trex Coinvestment, L.P.

Disclosed balance after: 669,939

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 · ownership.nature: The shares are held directly by SV Trex Coinvestment, L.P. ("SV Coinvestment"). GP LP is the general partner of SV Coinvestment, and SVLSF is the general partner of GP LP. Investment and voting decisions of SV Coinvestment are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership and this report is not an admission of beneficial ownership for any other purpose.

Read SEC document
October 13, 2026 Filed Oct 13, 2026 20:30 UTC TRex Bio, Inc. TRXB · Entity 184308 ConversionCommon Stock 16,277 $0.00 $0.00
Disclosure

SEC source: 0001829126-26-011084 · ownership.xml · nonDerivative · entry 6

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By SV Life Sciences Fund VI Strategic Partners, L.P.

Disclosed balance after: 77,525

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.

F2 · ownership.nature: The shares are held directly by SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Strategic Partners VI"). GP LP is the general partner of SV Strategic Partners VI, and SVLSF is the general partner of GP LP. Investment and voting decisions of SV Strategic Partners VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

Read SEC document
October 13, 2026 Filed Oct 13, 2026 20:30 UTC TRex Bio, Inc. TRXB · Entity 184308 ConversionCommon Stock 53,892 $0.00 $0.00
Disclosure

SEC source: 0001829126-26-011084 · ownership.xml · nonDerivative · entry 5

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By SV Life Sciences Fund VI Strategic Partners, L.P.

Disclosed balance after: 61,248

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.

F2 · ownership.nature: The shares are held directly by SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Strategic Partners VI"). GP LP is the general partner of SV Strategic Partners VI, and SVLSF is the general partner of GP LP. Investment and voting decisions of SV Strategic Partners VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

Read SEC document
October 13, 2026 Filed Oct 13, 2026 20:30 UTC TRex Bio, Inc. TRXB · Entity 184308 ConversionCommon Stock 475,411 $0.00 $0.00
Disclosure

SEC source: 0001829126-26-011084 · ownership.xml · nonDerivative · entry 3

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By SV Life Sciences Fund VI, L.P.

Disclosed balance after: 2,264,354

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 · ownership.nature: The shares are held directly by SV Life Sciences Fund VI, L.P. ("SV Fund VI"). SV Life Sciences Fund VI (GP), L.P. (the "GP LP") is the general partner of SV Fund VI, and SVLSF VI, LLC ("SVLSF") is the general partner of GP LP. Investment and voting decisions of SV Fund VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

Read SEC document
October 13, 2026 Filed Oct 13, 2026 20:30 UTC TRex Bio, Inc. TRXB · Entity 184308 ConversionCommon Stock 1,574,074 $0.00 $0.00
Disclosure

SEC source: 0001829126-26-011084 · ownership.xml · nonDerivative · entry 2

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By SV Life Sciences Fund VI, L.P.

Disclosed balance after: 1,788,943

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 · ownership.nature: The shares are held directly by SV Life Sciences Fund VI, L.P. ("SV Fund VI"). SV Life Sciences Fund VI (GP), L.P. (the "GP LP") is the general partner of SV Fund VI, and SVLSF VI, LLC ("SVLSF") is the general partner of GP LP. Investment and voting decisions of SV Fund VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

Read SEC document
October 08, 2026 Filed Oct 13, 2026 20:30 UTC TRex Bio, Inc. TRXB · Entity 184308 PurchaseCommon Stock 3,074 $14.00 $43,036.00
Disclosure

SEC source: 0001829126-26-011084 · ownership.xml · nonDerivative · entry 4

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By SV Life Sciences Fund VI Strategic Partners, L.P.

Disclosed balance after: 7,356

F2 · ownership.nature: The shares are held directly by SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Strategic Partners VI"). GP LP is the general partner of SV Strategic Partners VI, and SVLSF is the general partner of GP LP. Investment and voting decisions of SV Strategic Partners VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

F6 · ownership.nature: Represents shares purchased by SV Strategic Partners VI in the issuer's initial public offering.

Read SEC document
October 08, 2026 Filed Oct 13, 2026 20:30 UTC TRex Bio, Inc. TRXB · Entity 184308 PurchaseCommon Stock 89,783 $14.00 $1,256,962.00
Disclosure

SEC source: 0001829126-26-011084 · ownership.xml · nonDerivative · entry 1

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By SV Life Sciences Fund VI, L.P.

Disclosed balance after: 214,869

F1 · ownership.nature: The shares are held directly by SV Life Sciences Fund VI, L.P. ("SV Fund VI"). SV Life Sciences Fund VI (GP), L.P. (the "GP LP") is the general partner of SV Fund VI, and SVLSF VI, LLC ("SVLSF") is the general partner of GP LP. Investment and voting decisions of SV Fund VI are made by the investment committee of SVLSF. Each of GP LP and SVLSF disclaims beneficial ownership except to the extent of its pecuniary interest, and this report is not an admission of beneficial ownership for any other purpose.

F5 · ownership.nature: Represents shares purchased by SV Fund VI in the issuer's initial public offering.

Read SEC document
January 16, 2019 Filed Jan 18, 2019 17:00 UTC Tectonic Therapeutic, Inc. AVRO · Entity 5328 OtherCommon Stock 26,660 $0.00 $0.00
Disclosure

SEC source: 0000899243-19-001495 · doc4.xml · nonDerivative · entry 2

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

SV Life Sciences Fund VI Strategic Partners, L.P. · CIK 0001667605 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 63,913

F3 · kind: SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Life SP LP") distributed the shares to its limited partners on a pro rata basis.

F4 · ownership.nature: The shares are held directly by SV Life SP LP. SV Fund VI GP is the general partner of SV Life SP LP. The general partner of SV Fund VI GP is SVLSF VI, LLC. Each of SV Fund VI GP, and SVLSF VI, LLC disclaims beneficial ownership of the shares owned directly by SV Life SP LP, except to the extent of any pecuniary interest therein.

Read SEC document
January 16, 2019 Filed Jan 18, 2019 17:00 UTC Tectonic Therapeutic, Inc. AVRO · Entity 5328 OtherCommon Stock 778,663 $0.00 $0.00
Disclosure

SEC source: 0000899243-19-001495 · doc4.xml · nonDerivative · entry 1

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

SV Life Sciences Fund VI Strategic Partners, L.P. · CIK 0001667605 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,866,791

F1 · kind: SV Life Sciences Fund VI, L.P. ("SV Life LP") distributed the shares to its limited partners on a pro rata basis.

F2 · ownership.nature: The shares are held directly by SV Life LP. SV Life Sciences Fund VI (GP), L.P. ("SV Fund VI GP") is the general partner of SV Life LP. The general partner of SV Fund VI GP is SVLSF VI, LLC. Each of SV Fund VI GP and SVLSF VI, LLC disclaims beneficial ownership of the shares owned directly by SV Life LP, except to the extent of any pecuniary interest therein.

Read SEC document
June 25, 2018 Filed Jun 25, 2018 18:16 UTC Tectonic Therapeutic, Inc. AVRO · Entity 5328 ConversionSeries B Preferred Stock · Derivative 61,908 $0.00 $0.00
Disclosure

SEC source: 0000899243-18-017965 · doc4.xml · derivative · entry 8

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

SV Life Sciences Fund VI Strategic Partners, L.P. · CIK 0001667605 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 14,982 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.

F3 · derivative.exercise_price: Represents the total number of shares of Common Stock received by SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Life SP LP") upon the conversion of the Issuer's Series A Preferred Stock in connection with the closing of the Issuer's initial public offering.

F7 · derivative.exercise_date: All series of Convertible Preferred Stock automatically converted into the Issuer's Common Stock on a 4.132-for-1 basis on June 25, 2018 and had no expiration date.

F7 · derivative.expiration_date: All series of Convertible Preferred Stock automatically converted into the Issuer's Common Stock on a 4.132-for-1 basis on June 25, 2018 and had no expiration date.

F4 · ownership.nature: The shares are held directly by SV Life SP LP. SV Health Investors, LLC is the Manager of SV Life SP LP. SV Fund VI GP is the general partner of SV Life SP LP. The general partner of SV Fund VI GP is SVLSF VI, LLC. The members of the investment committee of SVLSF VI, LLC are Kate Bingham, Thomas Flynn, James Garvey, Eugene D. Hill, III, Paul LaViolette, and Michael Ross. Each of SV Fund VI GP, SVLSF VI, LLC and the SVLSF VI, LLC investment committee disclaims beneficial ownership of the shares owned directly by SV Life SP LP, except to the extent of any pecuniary interest therein.

Read SEC document
June 25, 2018 Filed Jun 25, 2018 18:16 UTC Tectonic Therapeutic, Inc. AVRO · Entity 5328 ConversionSeries B Preferred Stock · Derivative 1,808,211 $0.00 $0.00
Disclosure

SEC source: 0000899243-18-017965 · doc4.xml · derivative · entry 7

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

SV Life Sciences Fund VI Strategic Partners, L.P. · CIK 0001667605 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 437,611 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.

F3 · derivative.exercise_price: Represents the total number of shares of Common Stock received by SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Life SP LP") upon the conversion of the Issuer's Series A Preferred Stock in connection with the closing of the Issuer's initial public offering.

F7 · derivative.exercise_date: All series of Convertible Preferred Stock automatically converted into the Issuer's Common Stock on a 4.132-for-1 basis on June 25, 2018 and had no expiration date.

F7 · derivative.expiration_date: All series of Convertible Preferred Stock automatically converted into the Issuer's Common Stock on a 4.132-for-1 basis on June 25, 2018 and had no expiration date.

F2 · ownership.nature: The shares are held directly by SV Life LP. SV Health Investors, LLC is the Manager of SV Life LP. SV Life Sciences Fund VI (GP), L.P., ("SV Fund VI GP") is the general partner of SV Life LP. The general partner of SV Fund VI GP is SVLSF VI, LLC. The members of the investment committee of SVLSF VI, LLC are Kate Bingham, Thomas Flynn, James Garvey, Eugene D. Hill, III, Paul LaViolette, and Michael Ross. Each of SV Fund VI GP, SVLSF VI, LLC and the SVLSF VI, LLC investment committee disclaims beneficial ownership of the shares owned directly by SV Life LP, except to the extent of any pecuniary interest therein.

Read SEC document
June 25, 2018 Filed Jun 25, 2018 18:16 UTC Tectonic Therapeutic, Inc. AVRO · Entity 5328 ConversionSeries A Preferred Stock · Derivative 312,341 $0.00 $0.00
Disclosure

SEC source: 0000899243-18-017965 · doc4.xml · derivative · entry 6

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

SV Life Sciences Fund VI Strategic Partners, L.P. · CIK 0001667605 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 75,591 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.

F3 · derivative.exercise_price: Represents the total number of shares of Common Stock received by SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Life SP LP") upon the conversion of the Issuer's Series A Preferred Stock in connection with the closing of the Issuer's initial public offering.

F7 · derivative.exercise_date: All series of Convertible Preferred Stock automatically converted into the Issuer's Common Stock on a 4.132-for-1 basis on June 25, 2018 and had no expiration date.

F7 · derivative.expiration_date: All series of Convertible Preferred Stock automatically converted into the Issuer's Common Stock on a 4.132-for-1 basis on June 25, 2018 and had no expiration date.

F4 · ownership.nature: The shares are held directly by SV Life SP LP. SV Health Investors, LLC is the Manager of SV Life SP LP. SV Fund VI GP is the general partner of SV Life SP LP. The general partner of SV Fund VI GP is SVLSF VI, LLC. The members of the investment committee of SVLSF VI, LLC are Kate Bingham, Thomas Flynn, James Garvey, Eugene D. Hill, III, Paul LaViolette, and Michael Ross. Each of SV Fund VI GP, SVLSF VI, LLC and the SVLSF VI, LLC investment committee disclaims beneficial ownership of the shares owned directly by SV Life SP LP, except to the extent of any pecuniary interest therein.

Read SEC document
June 25, 2018 Filed Jun 25, 2018 18:16 UTC Tectonic Therapeutic, Inc. AVRO · Entity 5328 ConversionSeries A Preferred Stock · Derivative 9,122,809 $0.00 $0.00
Disclosure

SEC source: 0000899243-18-017965 · doc4.xml · derivative · entry 5

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

SV Life Sciences Fund VI Strategic Partners, L.P. · CIK 0001667605 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 2,207,843 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.

F3 · derivative.exercise_price: Represents the total number of shares of Common Stock received by SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Life SP LP") upon the conversion of the Issuer's Series A Preferred Stock in connection with the closing of the Issuer's initial public offering.

F7 · derivative.exercise_date: All series of Convertible Preferred Stock automatically converted into the Issuer's Common Stock on a 4.132-for-1 basis on June 25, 2018 and had no expiration date.

F7 · derivative.expiration_date: All series of Convertible Preferred Stock automatically converted into the Issuer's Common Stock on a 4.132-for-1 basis on June 25, 2018 and had no expiration date.

F2 · ownership.nature: The shares are held directly by SV Life LP. SV Health Investors, LLC is the Manager of SV Life LP. SV Life Sciences Fund VI (GP), L.P., ("SV Fund VI GP") is the general partner of SV Life LP. The general partner of SV Fund VI GP is SVLSF VI, LLC. The members of the investment committee of SVLSF VI, LLC are Kate Bingham, Thomas Flynn, James Garvey, Eugene D. Hill, III, Paul LaViolette, and Michael Ross. Each of SV Fund VI GP, SVLSF VI, LLC and the SVLSF VI, LLC investment committee disclaims beneficial ownership of the shares owned directly by SV Life LP, except to the extent of any pecuniary interest therein.

Read SEC document
June 25, 2018 Filed Jun 25, 2018 18:16 UTC Tectonic Therapeutic, Inc. AVRO · Entity 5328 ConversionCommon Stock 14,982 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-18-017965 · doc4.xml · nonDerivative · entry 4

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

SV Life Sciences Fund VI Strategic Partners, L.P. · CIK 0001667605 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 90,573

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.

F6 · price: Represents the total number of shares of Common Stock received by SV Life SP LP upon the conversion of the Issuer's Series B Preferred Stock in connection with the closing of the Issuer's initial public offering.

F4 · ownership.nature: The shares are held directly by SV Life SP LP. SV Health Investors, LLC is the Manager of SV Life SP LP. SV Fund VI GP is the general partner of SV Life SP LP. The general partner of SV Fund VI GP is SVLSF VI, LLC. The members of the investment committee of SVLSF VI, LLC are Kate Bingham, Thomas Flynn, James Garvey, Eugene D. Hill, III, Paul LaViolette, and Michael Ross. Each of SV Fund VI GP, SVLSF VI, LLC and the SVLSF VI, LLC investment committee disclaims beneficial ownership of the shares owned directly by SV Life SP LP, except to the extent of any pecuniary interest therein.

Read SEC document
June 25, 2018 Filed Jun 25, 2018 18:16 UTC Tectonic Therapeutic, Inc. AVRO · Entity 5328 ConversionCommon Stock 437,611 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-18-017965 · doc4.xml · nonDerivative · entry 3

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

SV Life Sciences Fund VI Strategic Partners, L.P. · CIK 0001667605 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,645,454

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.

F5 · price: Represents the total number of shares of Common Stock received by SV Life LP upon the conversion of the Issuer's Series B Preferred Stock in connection with the closing of the Issuer's initial public offering.

F2 · ownership.nature: The shares are held directly by SV Life LP. SV Health Investors, LLC is the Manager of SV Life LP. SV Life Sciences Fund VI (GP), L.P., ("SV Fund VI GP") is the general partner of SV Life LP. The general partner of SV Fund VI GP is SVLSF VI, LLC. The members of the investment committee of SVLSF VI, LLC are Kate Bingham, Thomas Flynn, James Garvey, Eugene D. Hill, III, Paul LaViolette, and Michael Ross. Each of SV Fund VI GP, SVLSF VI, LLC and the SVLSF VI, LLC investment committee disclaims beneficial ownership of the shares owned directly by SV Life LP, except to the extent of any pecuniary interest therein.

Read SEC document
June 25, 2018 Filed Jun 25, 2018 18:16 UTC Tectonic Therapeutic, Inc. AVRO · Entity 5328 ConversionCommon Stock 75,591 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-18-017965 · doc4.xml · nonDerivative · entry 2

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

SV Life Sciences Fund VI Strategic Partners, L.P. · CIK 0001667605 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 75,591

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 · price: Represents the total number of shares of Common Stock received by SV Life Sciences Fund VI Strategic Partners, L.P. ("SV Life SP LP") upon the conversion of the Issuer's Series A Preferred Stock in connection with the closing of the Issuer's initial public offering.

F4 · ownership.nature: The shares are held directly by SV Life SP LP. SV Health Investors, LLC is the Manager of SV Life SP LP. SV Fund VI GP is the general partner of SV Life SP LP. The general partner of SV Fund VI GP is SVLSF VI, LLC. The members of the investment committee of SVLSF VI, LLC are Kate Bingham, Thomas Flynn, James Garvey, Eugene D. Hill, III, Paul LaViolette, and Michael Ross. Each of SV Fund VI GP, SVLSF VI, LLC and the SVLSF VI, LLC investment committee disclaims beneficial ownership of the shares owned directly by SV Life SP LP, except to the extent of any pecuniary interest therein.

Read SEC document
June 25, 2018 Filed Jun 25, 2018 18:16 UTC Tectonic Therapeutic, Inc. AVRO · Entity 5328 ConversionCommon Stock 2,207,843 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-18-017965 · doc4.xml · nonDerivative · entry 1

SVLSF VI, LLC · CIK 0001717728 · 10% owner

SV Life Sciences Fund VI, L.P. · CIK 0001642251 · 10% owner

SV Life Sciences Fund VI Strategic Partners, L.P. · CIK 0001667605 · 10% owner

SV Life Sciences Fund VI (GP), L.P. · CIK 0001717730 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,207,843

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: Represents the total number of shares of Common Stock received by SV Life Sciences Fund VI, L.P. ("SV Life LP") upon the conversion of the Issuer's Series A Preferred Stock in connection with the closing of the Issuer's initial public offering.

F2 · ownership.nature: The shares are held directly by SV Life LP. SV Health Investors, LLC is the Manager of SV Life LP. SV Life Sciences Fund VI (GP), L.P., ("SV Fund VI GP") is the general partner of SV Life LP. The general partner of SV Fund VI GP is SVLSF VI, LLC. The members of the investment committee of SVLSF VI, LLC are Kate Bingham, Thomas Flynn, James Garvey, Eugene D. Hill, III, Paul LaViolette, and Michael Ross. Each of SV Fund VI GP, SVLSF VI, LLC and the SVLSF VI, LLC investment committee disclaims beneficial ownership of the shares owned directly by SV Life LP, except to the extent of any pecuniary interest therein.

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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.