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McNamara Peter

Disclosed activity across 1 company

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19582
SEC CIK
0002023255

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Tectonic Therapeutic, Inc.TECX · Entity 5328Chief Scientific OfficerSeptember 25, 2026October 03, 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.

Tectonic Therapeutic, Inc.

Report date September 25, 2026 · Filed October 03, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect54,305 Ending reported balance After 2026-09-30 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2026-09-25 · Tax withholding · Disposed 444 · Balance 54,841

F1: This transaction reported represents the withholding of shares by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settlement of the restricted stock units granted on September 25, 2025.

Row 2 · 2026-09-30 · Sale · Disposed 536 · Balance 54,305

F2: This sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.61 to $23.32, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Filing footnotes · ownership attribution and instrument terms

F1: This transaction reported represents the withholding of shares by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settlement of the restricted stock units granted on September 25, 2025.

F2: This sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.61 to $23.32, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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
September 30, 2026 Filed Oct 3, 2026 01:00 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 SaleCommon Stock 536 $23.04 $12,349.44
Disclosure

SEC source: 0002023255-26-000012 · form4-10022026_091039.xml · nonDerivative · entry 2

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 54,305

F2 · kind: This sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.61 to $23.32, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Read SEC document
September 25, 2026 Filed Oct 3, 2026 01:00 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 Tax withholdingCommon Stock 444 $23.67 $10,509.48
Disclosure

SEC source: 0002023255-26-000012 · form4-10022026_091039.xml · nonDerivative · entry 1

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 54,841

F1 · shares: This transaction reported represents the withholding of shares by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settlement of the restricted stock units granted on September 25, 2025.

Read SEC document
September 03, 2026 Filed Sep 8, 2026 20:45 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 GrantEmployee Stock Option (Right to Buy) · Derivative 21,000 $0.00 Strike: $29.92 $0.00
Disclosure

SEC source: 0002023255-26-000011 · form4-09082026_040907.xml · derivative · entry 1

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,000

Underlying: Common Stock · 21,000 shares

Expires 2036-09-02

F1 · derivative.exercise_date: 1/8th of the shares subject to the option vest on September 3, 2026 with the remaining shares subject to the option vesting in the following 42 equal monthly installments beginning on October 3, 2026, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
August 25, 2026 Filed Aug 26, 2026 20:30 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 43 $0.00 Strike: $14.71 $0.00
Disclosure

SEC source: 0002023255-26-000009 · form4-08262026_040801.xml · derivative · entry 3

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,787

Underlying: Common Stock · 43 shares

Expires 2035-09-24

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

F1 · kind: This exercise and subsequent sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

F2 · derivative.exercise_date: The shares subject to the option vest in 48 equal monthly installments beginning on October 25, 2025, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
August 25, 2026 Filed Aug 26, 2026 20:30 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 SaleCommon Stock 43 $36.52 $1,570.36
Disclosure

SEC source: 0002023255-26-000009 · form4-08262026_040801.xml · nonDerivative · entry 2

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 55,285

F1 · kind: This exercise and subsequent sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

Read SEC document
August 25, 2026 Filed Aug 26, 2026 20:30 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 Exercise / conversionCommon Stock 43 $14.71 $632.53
Disclosure

SEC source: 0002023255-26-000009 · form4-08262026_040801.xml · nonDerivative · entry 1

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 55,328

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

F1 · kind: This exercise and subsequent sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

Read SEC document
August 12, 2026 Filed Aug 14, 2026 23:25 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 43 $0.00 Strike: $14.71 $0.00
Disclosure

SEC source: 0002023255-26-000007 · form4-08142026_110840.xml · derivative · entry 3

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,830

Underlying: Common Stock · 43 shares

Expires 2035-09-24

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

F1 · kind: This exercise and subsequent sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

F2 · derivative.exercise_date: The shares subject to the option vest in 48 equal monthly installments beginning on October 25, 2025, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
August 12, 2026 Filed Aug 14, 2026 23:25 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 SaleCommon Stock 43 $35.00 $1,505.00
Disclosure

SEC source: 0002023255-26-000007 · form4-08142026_110840.xml · nonDerivative · entry 2

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 55,285

F1 · kind: This exercise and subsequent sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

Read SEC document
August 12, 2026 Filed Aug 14, 2026 23:25 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 Exercise / conversionCommon Stock 43 $14.71 $632.53
Disclosure

SEC source: 0002023255-26-000007 · form4-08142026_110840.xml · nonDerivative · entry 1

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 55,328

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

F1 · kind: This exercise and subsequent sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

Read SEC document
June 30, 2026 Filed Jul 1, 2026 21:19 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 172 $0.00 Strike: $14.71 $0.00
Disclosure

SEC source: 0002023255-26-000006 · form4-07012026_090747.xml · derivative · entry 3

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,873

Underlying: Common Stock · 172 shares

Expires 2035-09-24

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

F1 · kind: This exercise and subsequent sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

F2 · derivative.exercise_date: The shares subject to the option vest in 48 equal monthly installments beginning on October 25, 2025, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
June 30, 2026 Filed Jul 1, 2026 21:19 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 SaleCommon Stock 172 $35.00 $6,020.00
Disclosure

SEC source: 0002023255-26-000006 · form4-07012026_090747.xml · nonDerivative · entry 2

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 55,285

F1 · kind: This exercise and subsequent sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

Read SEC document
June 30, 2026 Filed Jul 1, 2026 21:19 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 Exercise / conversionCommon Stock 172 $14.71 $2,530.12
Disclosure

SEC source: 0002023255-26-000006 · form4-07012026_090747.xml · nonDerivative · entry 1

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 55,457

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

F1 · kind: This exercise and subsequent sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

Read SEC document
March 06, 2026 Filed Mar 9, 2026 22:12 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 215 $0.00 Strike: $14.71 $0.00
Disclosure

SEC source: 0002023255-26-000005 · form4-03092026_100314.xml · derivative · entry 6

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,045

Underlying: Common Stock · 215 shares

Expires 2035-09-24

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

F1 · kind: These exercises and sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

F4 · derivative.exercise_date: The shares subject to the option vest in 48 equal monthly installments beginning on October 25, 2025, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
March 06, 2026 Filed Mar 9, 2026 22:12 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 2,500 Not disclosed Strike: $2.38 Not disclosed
Disclosure

SEC source: 0002023255-26-000005 · form4-03092026_100314.xml · derivative · entry 5

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,959

Underlying: Common Stock · 2,500 shares

Expires 2031-06-27

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

F1 · kind: These exercises and sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

F3 · price: Received in exchange for a stock option to acquire 71,029 shares of common stock pursuant to that certain merger, as more fully described on the Reporting Person's Form 4 filed with the Securities and Exchange Commission on June 24, 2024. https://www.sec.gov/Archives/edgar/data/1681087/000141588924017962/xslF345X05/form4-06242024_080611.xml

F2 · derivative.exercise_date: 25% of the shares subject to the option vested on June 1, 2022; and the remainder of the shares subject to the option vest in 36 equal monthly installments with the final amount vesting on June 1, 2025, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
March 06, 2026 Filed Mar 9, 2026 22:12 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 SaleCommon Stock 215 $35.00 $7,525.00
Disclosure

SEC source: 0002023255-26-000005 · form4-03092026_100314.xml · nonDerivative · entry 4

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 55,285

F1 · kind: These exercises and sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

Read SEC document
March 06, 2026 Filed Mar 9, 2026 22:12 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 SaleCommon Stock 6,047 $30.00 $181,410.00
Disclosure

SEC source: 0002023255-26-000005 · form4-03092026_100314.xml · nonDerivative · entry 3

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 55,500

F1 · kind: These exercises and sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

Read SEC document
March 06, 2026 Filed Mar 9, 2026 22:12 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 Exercise / conversionCommon Stock 215 $14.71 $3,162.65
Disclosure

SEC source: 0002023255-26-000005 · form4-03092026_100314.xml · nonDerivative · entry 2

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 61,547

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

F1 · kind: These exercises and sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

Read SEC document
March 06, 2026 Filed Mar 9, 2026 22:12 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 Exercise / conversionCommon Stock 2,500 $2.38 $5,950.00
Disclosure

SEC source: 0002023255-26-000005 · form4-03092026_100314.xml · nonDerivative · entry 1

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 61,332

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

F1 · kind: These exercises and sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 22:45 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 GrantEmployee Stock Option (Right to Buy) · Derivative 21,000 $0.00 Strike: $27.41 $0.00
Disclosure

SEC source: 0002023255-26-000004 · form4-03052026_100302.xml · derivative · entry 4

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,000

Underlying: Common Stock · 21,000 shares

Expires 2036-03-03

F3 · derivative.exercise_date: The shares subject to the option vest in 48 equal monthly installments beginning on April 4, 2026, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 22:45 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 SaleCommon Stock 1,650 $25.00 $41,250.00
Disclosure

SEC source: 0002023255-26-000004 · form4-03052026_100302.xml · nonDerivative · entry 3

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 58,832

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 22:45 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 GrantCommon Stock 23,000 $0.00 $0.00
Disclosure

SEC source: 0002023255-26-000004 · form4-03052026_100302.xml · nonDerivative · entry 2

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 60,482

F2 · shares: These shares are represented by restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. The shares shall vest in 3 equal annual installments on each of March 4, 2027, March 4, 2028 and March 4, 2029, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
March 03, 2026 Filed Mar 5, 2026 22:45 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 SaleCommon Stock 1,649 $22.06 $36,376.94
Disclosure

SEC source: 0002023255-26-000004 · form4-03052026_100302.xml · nonDerivative · entry 1

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,482

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.

Read SEC document
February 04, 2026 Filed Feb 10, 2026 21:06 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 Tax withholdingCommon Stock 1,748 $23.22 $40,588.56
Disclosure

SEC source: 0002023255-26-000002 · form4-02102026_090217.xml · nonDerivative · entry 1

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,131

F1 · shares: This transaction reported represents the withholding of shares by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settlement of the restricted stock units granted on February 4, 2025.

Read SEC document
December 22, 2025 Filed Dec 29, 2025 21:35 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 7,000 Not disclosed Strike: $2.98 Not disclosed
Disclosure

SEC source: 0002023255-25-000005 · form4-12292025_041201.xml · derivative · entry 2

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,065

Underlying: Common Stock · 7,000 shares

Expires 2032-06-26

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 · price: Received in exchange for a stock option to acquire 60,000 shares of common stock pursuant to that certain merger, as more fully described on the Reporting Person's Form 4 filed with the Securities and Exchange Commission on June 24, 2024. https://www.sec.gov/Archives/edgar/data/1681087/000141588924017962/xslF345X05/form4-06242024_080611.xml

F1 · derivative.exercise_date: The shares subject to the option vest in 48 equal monthly installments beginning on June 27, 2022, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
December 22, 2025 Filed Dec 29, 2025 21:35 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 Exercise / conversionCommon Stock 7,000 $2.98 $20,860.00
Disclosure

SEC source: 0002023255-25-000005 · form4-12292025_041201.xml · nonDerivative · entry 1

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,879

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.

Read SEC document
September 25, 2025 Filed Sep 29, 2025 21:00 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 GrantEmployee Stock Option (Right to Buy) · Derivative 8,260 $0.00 Strike: $14.71 $0.00
Disclosure

SEC source: 0002023255-25-000003 · form4-09292025_050907.xml · derivative · entry 2

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,260

Underlying: Common Stock · 8,260 shares

Expires 2035-09-24

F2 · derivative.exercise_date: The shares subject to the option vest in 48 equal monthly installments beginning on October 25, 2025, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
September 25, 2025 Filed Sep 29, 2025 21:00 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 GrantCommon Stock 4,550 $0.00 $0.00
Disclosure

SEC source: 0002023255-25-000003 · form4-09292025_050907.xml · nonDerivative · entry 1

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,879

F1 · shares: These shares are represented by restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. The shares shall vest in 3 equal annual installments on each of September 25, 2026, September 25, 2027 and September 25, 2028, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
February 04, 2025 Filed Feb 6, 2025 21:05 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 GrantEmployee Stock Option (Right to Buy) · Derivative 27,530 $0.00 Strike: $48.01 $0.00
Disclosure

SEC source: 0001415889-25-003228 · form4-02062025_040208.xml · derivative · entry 2

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,530

Underlying: Common Stock · 27,530 shares

Expires 2035-02-03

F2 · derivative.exercise_date: The shares subject to the option vest in 48 equal monthly installments beginning on March 4, 2025, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
February 04, 2025 Filed Feb 6, 2025 21:05 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 GrantCommon Stock 15,141 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-003228 · form4-02062025_040208.xml · nonDerivative · entry 1

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,329

F1 · shares: These shares are represented by restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. The shares shall vest in 3 equal annual installments on each of February 4, 2026, February 4, 2027 and February 4, 2028, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
December 03, 2024 Filed Dec 5, 2024 21:32 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 3,500 Not disclosed Strike: $2.38 Not disclosed
Disclosure

SEC source: 0001415889-24-028404 · form4-12052024_091203.xml · derivative · entry 2

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,459

Underlying: Common Stock · 34,459 shares

Expires 2031-06-27

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 · price: Received in exchange for a stock option to acquire 71,029 shares of common stock pursuant to that certain merger, as more fully described on the Reporting Person's Form 4 filed with the Securities and Exchange Commission on June 24, 2024. https://www.sec.gov/Archives/edgar/data/1681087/000141588924017962/xslF345X05/form4-06242024_080611.xml.

F1 · derivative.exercise_date: 25% of the shares subject to the option vested on June 1, 2022; and the remainder of the shares subject to the option vest in 36 equal monthly installments with the final amount vesting on June 1, 2025, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Read SEC document
December 03, 2024 Filed Dec 5, 2024 21:32 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 Exercise / conversionCommon Stock 3,500 $2.38 $8,330.00
Disclosure

SEC source: 0001415889-24-028404 · form4-12052024_091203.xml · nonDerivative · entry 1

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,188

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.

Read SEC document
June 20, 2024 Filed Jun 24, 2024 20:20 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 GrantEmployee Stock Option (Right to Buy) · Derivative 77,000 $0.00 Strike: $16.80 $0.00
Disclosure

SEC source: 0001415889-24-017962 · form4-06242024_080611.xml · derivative · entry 5

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,000

Underlying: Common Stock · 77,000 shares

Expires 2034-06-19

F9 · derivative.exercise_date: The shares subject to the option vest as to 25% of the shares on June 20, 2025 with the remainder vesting in the following 36 equal monthly installments, subject to the Reporting Person's continued service on each such vesting date.

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June 20, 2024 Filed Jun 24, 2024 20:20 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 GrantEmployee Stock Option (Right to Buy) · Derivative 18,704 Not disclosed Strike: $5.38 Not disclosed
Disclosure

SEC source: 0001415889-24-017962 · form4-06242024_080611.xml · derivative · entry 4

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,704

Underlying: Common Stock · 18,704 shares

Expires 2033-11-30

F2 · derivative.exercise_price: Upon the closing of the Merger, each outstanding option to purchase shares of Tectonic common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock, on the same terms and conditions as were applicable to such Tectonic stock option prior to the Merger, as adjusted for the exchange ratio and the reverse stock split.

F2 · shares: Upon the closing of the Merger, each outstanding option to purchase shares of Tectonic common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock, on the same terms and conditions as were applicable to such Tectonic stock option prior to the Merger, as adjusted for the exchange ratio and the reverse stock split.

F2 · price: Upon the closing of the Merger, each outstanding option to purchase shares of Tectonic common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock, on the same terms and conditions as were applicable to such Tectonic stock option prior to the Merger, as adjusted for the exchange ratio and the reverse stock split.

F8 · price: Received in exchange for a stock option to acquire 35,000 shares of Tectonic common stock pursuant to the Merger Agreement.

F7 · derivative.exercise_date: The shares subject to the option vest in 48 equal monthly installments beginning on December 1, 2023, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

F2 · derivative.underlying_shares: Upon the closing of the Merger, each outstanding option to purchase shares of Tectonic common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock, on the same terms and conditions as were applicable to such Tectonic stock option prior to the Merger, as adjusted for the exchange ratio and the reverse stock split.

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June 20, 2024 Filed Jun 24, 2024 20:20 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 GrantEmployee Stock Option (Right to Buy) · Derivative 32,065 Not disclosed Strike: $2.98 Not disclosed
Disclosure

SEC source: 0001415889-24-017962 · form4-06242024_080611.xml · derivative · entry 3

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,065

Underlying: Common Stock · 32,065 shares

Expires 2032-06-26

F2 · derivative.exercise_price: Upon the closing of the Merger, each outstanding option to purchase shares of Tectonic common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock, on the same terms and conditions as were applicable to such Tectonic stock option prior to the Merger, as adjusted for the exchange ratio and the reverse stock split.

F2 · shares: Upon the closing of the Merger, each outstanding option to purchase shares of Tectonic common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock, on the same terms and conditions as were applicable to such Tectonic stock option prior to the Merger, as adjusted for the exchange ratio and the reverse stock split.

F2 · price: Upon the closing of the Merger, each outstanding option to purchase shares of Tectonic common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock, on the same terms and conditions as were applicable to such Tectonic stock option prior to the Merger, as adjusted for the exchange ratio and the reverse stock split.

F6 · price: Received in exchange for a stock option to acquire 60,000 shares of Tectonic common stock pursuant to the Merger Agreement.

F5 · derivative.exercise_date: The shares subject to the option vest in 48 equal monthly installments beginning on June 27, 2022, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

F2 · derivative.underlying_shares: Upon the closing of the Merger, each outstanding option to purchase shares of Tectonic common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock, on the same terms and conditions as were applicable to such Tectonic stock option prior to the Merger, as adjusted for the exchange ratio and the reverse stock split.

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June 20, 2024 Filed Jun 24, 2024 20:20 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 GrantEmployee Stock Option (Right to Buy) · Derivative 37,959 Not disclosed Strike: $2.38 Not disclosed
Disclosure

SEC source: 0001415889-24-017962 · form4-06242024_080611.xml · derivative · entry 2

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,959

Underlying: Common Stock · 37,959 shares

Expires 2031-06-27

F2 · derivative.exercise_price: Upon the closing of the Merger, each outstanding option to purchase shares of Tectonic common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock, on the same terms and conditions as were applicable to such Tectonic stock option prior to the Merger, as adjusted for the exchange ratio and the reverse stock split.

F2 · shares: Upon the closing of the Merger, each outstanding option to purchase shares of Tectonic common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock, on the same terms and conditions as were applicable to such Tectonic stock option prior to the Merger, as adjusted for the exchange ratio and the reverse stock split.

F2 · price: Upon the closing of the Merger, each outstanding option to purchase shares of Tectonic common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock, on the same terms and conditions as were applicable to such Tectonic stock option prior to the Merger, as adjusted for the exchange ratio and the reverse stock split.

F4 · price: Received in exchange for a stock option to acquire 71,029 shares of Tectonic common stock pursuant to the Merger Agreement.

F3 · derivative.exercise_date: 25,796 of the shares subject to the option are immediately exercisable. The remainder of the shares subject to the option vest in 12 equal monthly installments beginning on July 1, 2024, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

F2 · derivative.underlying_shares: Upon the closing of the Merger, each outstanding option to purchase shares of Tectonic common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock, on the same terms and conditions as were applicable to such Tectonic stock option prior to the Merger, as adjusted for the exchange ratio and the reverse stock split.

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June 20, 2024 Filed Jun 24, 2024 20:20 UTC Tectonic Therapeutic, Inc. TECX · Entity 5328 GrantCommon Stock 10,688 Not disclosed Not disclosed
Disclosure

SEC source: 0001415889-24-017962 · form4-06242024_080611.xml · nonDerivative · entry 1

McNamara Peter · CIK 0002023255 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,688

F1 · price: Received in exchange for 20,000 shares of common stock of Tectonic Therapeutic, Inc., a Delaware corporation ("Tectonic"), pursuant to an Agreement and Plan of Merger dated as of January 30, 2024 (the "Merger Agreement") by and among AVROBIO, Inc., a Delaware corporation ("AVROBIO"), Tectonic and Alpine Merger Subsidiary, Inc., a direct, wholly owned subsidiary of AVROBIO (the "Merger Sub"). Under the terms of the Merger Agreement, on June 20, 2024, Merger Sub merged with and into Tectonic (the "Merger"), with Tectonic surviving the Merger as a wholly owned subsidiary of AVROBIO. Upon the closing of the Merger, each share of Tectonic common stock was converted into the right to receive 0.534419990 shares of the Issuer's common stock, after giving effect to a reverse stock split of the Issuer's common stock of 1-for-12. Subsequent to the Merger, the name of the Issuer was changed from AVROBIO, Inc. to Tectonic Therapeutic, Inc.

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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.