Tectonic Therapeutic Inc. (TECX) - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Tectonic Therapeutic Inc.
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2026-03-06
Sale
2026-03-09
6:15 pm
Tectonic Therapeutic Inc.TECXRuddy Marcella K.
Chief Medical Officer
10,000$30$300,00069,747
(Direct)
View
2026-03-06
Sale
2026-03-09
6:12 pm
Tectonic Therapeutic Inc.TECXMcNamara Peter
Chief Scientific Officer
6,262$30.17$188,93595,289
(Direct)
View
2026-03-03
Sale
2026-03-05
5:45 pm
Tectonic Therapeutic Inc.TECXMcNamara Peter
Chief Scientific Officer
3,299$23.53$77,62779,832
(Direct)
View
2026-02-11
Purchase(A)
2026-03-05
4:30 pm
Tectonic Therapeutic Inc.TECXREICIN ALISE
Chief Executive Officer
2,500$21.1$52,750362,077
(Indirect
Direct)
View
2026-02-11
Purchase
2026-02-12
4:15 pm
Tectonic Therapeutic Inc.TECXREICIN ALISE
Chief Executive Officer
2,500$21.1$52,750362,077
(Indirect
Direct)
View
2026-02-10
Purchase
2026-02-11
5:32 pm
Tectonic Therapeutic Inc.TECXLochner Daniel
Chief Financial Officer
6,000$21.61$129,66032,044
(Direct)
View
2025-04-09
Purchase
2025-04-11
6:12 pm
Tectonic Therapeutic Inc.TECXSPRINGER TIMOTHY A
Director
10% Owner
141,923$16.2$2,299,0156,024,338
(Indirect
Direct)
View
2025-04-07
Purchase
2025-04-09
5:38 pm
Tectonic Therapeutic Inc.TECXSPRINGER TIMOTHY A
Director
10% Owner
500,000$17.1$8,550,0005,882,415
(Indirect
Direct)
View
2025-04-07
Sale
2025-04-07
5:02 pm
Tectonic Therapeutic Inc.TECXMCGUIRE TERRANCE
Director
500,000$17.1$8,550,000657,976
(Indirect)
View
2025-02-05
Purchase
2025-02-07
4:21 pm
Tectonic Therapeutic Inc.TECXSPRINGER TIMOTHY A
Director
10% Owner
789,294$50.68$39,999,9775,382,415
(Indirect
Direct)
View
2025-02-05
Purchase
2025-02-07
4:19 pm
Tectonic Therapeutic Inc.TECXLochner Daniel
Chief Financial Officer
4,617$54.14$249,9644,617
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-03-06
Exercise
2026-03-09
6:12 pm
N/A
N/A
Tectonic Therapeutic Inc.TECXMcNamara Peter
Chief Scientific Officer
2,500$2.3895,289
(Direct)
View
2026-03-06
Exercise
2026-03-09
6:12 pm
N/A
2031-06-27
Tectonic Therapeutic Inc.TECXMcNamara Peter
Chief Scientific Officer
2,715$095,289
(Direct)
View
2026-03-06
Exercise
2026-03-09
6:12 pm
N/A
N/A
Tectonic Therapeutic Inc.TECXMcNamara Peter
Chief Scientific Officer
215$14.7195,289
(Direct)
View
2026-03-04
Option Award
2026-03-05
5:47 pm
N/A
2036-03-03
Tectonic Therapeutic Inc.TECXREICIN ALISE
Chief Executive Officer
145,750$0507,827
(Direct)
View
2026-03-04
Option Award
2026-03-05
5:46 pm
N/A
2036-03-03
Tectonic Therapeutic Inc.TECXSchwabish Marc
Chief Business Officer
37,250$063,064
(Direct)
View
2026-03-04
Option Award
2026-03-05
5:45 pm
N/A
2036-03-03
Tectonic Therapeutic Inc.TECXMcNamara Peter
Chief Scientific Officer
44,000$079,832
(Direct)
View
2026-03-04
Option Award
2026-03-05
5:43 pm
N/A
2036-03-03
Tectonic Therapeutic Inc.TECXLochner Daniel
Chief Financial Officer
50,750$082,794
(Direct)
View
2026-03-04
Option Award
2026-03-05
5:42 pm
N/A
2036-03-03
Tectonic Therapeutic Inc.TECXRuddy Marcella K.
Chief Medical Officer
50,750$0103,997
(Direct)
View
2026-02-10
Exercise
2026-02-12
4:15 pm
N/A
N/A
Tectonic Therapeutic Inc.TECXSchwabish Marc
Chief Business Officer
4,500$2.38107,828
(Direct)
View
2026-02-10
Exercise
2026-02-12
4:15 pm
N/A
2031-06-27
Tectonic Therapeutic Inc.TECXSchwabish Marc
Chief Business Officer
4,500$0107,828
(Direct)
View
2026-02-04
Tax Withholding
2026-02-10
4:10 pm
N/A
N/A
Tectonic Therapeutic Inc.TECXSchwabish Marc
Chief Business Officer
1,619$23.2221,314
(Direct)
View
2026-02-04
Tax Withholding
2026-02-10
4:09 pm
N/A
N/A
Tectonic Therapeutic Inc.TECXRuddy Marcella K.
Chief Medical Officer
2,064$23.2253,247
(Direct)
View
2026-02-04
Tax Withholding
2026-02-10
4:07 pm
N/A
N/A
Tectonic Therapeutic Inc.TECXREICIN ALISE
Chief Executive Officer
4,104$23.22359,577
(Direct)
View
2026-02-04
Tax Withholding
2026-02-10
4:06 pm
N/A
N/A
Tectonic Therapeutic Inc.TECXMcNamara Peter
Chief Scientific Officer
1,748$23.2239,131
(Direct)
View
2026-02-04
Tax Withholding
2026-02-10
4:04 pm
N/A
N/A
Tectonic Therapeutic Inc.TECXLochner Daniel
Chief Financial Officer
2,077$23.2226,044
(Direct)
View
2025-12-31
Exercise
2026-01-05
5:02 pm
N/A
N/A
Tectonic Therapeutic Inc.TECXREICIN ALISE
Chief Executive Officer
10,966$2.38386,638
(Direct)
View
2025-12-31
Exercise
2026-01-05
5:02 pm
N/A
2031-06-27
Tectonic Therapeutic Inc.TECXREICIN ALISE
Chief Executive Officer
10,966$0386,638
(Direct)
View
2025-12-22
Exercise
2025-12-29
4:35 pm
N/A
2032-06-26
Tectonic Therapeutic Inc.TECXMcNamara Peter
Chief Scientific Officer
7,000$065,944
(Direct)
View
2025-12-22
Exercise
2025-12-29
4:35 pm
N/A
N/A
Tectonic Therapeutic Inc.TECXMcNamara Peter
Chief Scientific Officer
7,000$2.9865,944
(Direct)
View
2025-09-25
Option Award
2025-09-29
5:00 pm
N/A
2035-09-24
Tectonic Therapeutic Inc.TECXSchwabish Marc
Chief Business Officer
11,860$030,583
(Direct)
View
2025-09-25
Option Award
2025-09-29
5:00 pm
N/A
2035-09-24
Tectonic Therapeutic Inc.TECXMcNamara Peter
Chief Scientific Officer
12,810$042,139
(Direct)
View
2025-09-25
Option Award
2025-09-29
5:00 pm
N/A
2035-09-24
Tectonic Therapeutic Inc.TECXLochner Daniel
Chief Financial Officer
15,290$037,981
(Direct)
View
2025-09-25
Option Award
2025-09-29
5:00 pm
N/A
2035-09-24
Tectonic Therapeutic Inc.TECXRuddy Marcella K.
Chief Medical Officer
15,120$065,061
(Direct)
View
2025-09-25
Option Award
2025-09-29
5:00 pm
N/A
2035-09-24
Tectonic Therapeutic Inc.TECXREICIN ALISE
Chief Executive Officer
41,410$0379,425
(Direct)
View
2025-06-20
Tax Withholding
2025-06-24
4:55 pm
N/A
N/A
Tectonic Therapeutic Inc.TECXREICIN ALISE
Chief Executive Officer
859$19.81338,015
(Direct)
View
2025-06-09
Option Award
2025-06-11
4:30 pm
N/A
2035-06-08
Tectonic Therapeutic Inc.TECXDonenberg Phillip B.
Director
10,200$010,200
(Direct)
View
2025-06-09
Option Award
2025-06-11
4:30 pm
N/A
2035-06-08
Tectonic Therapeutic Inc.TECXVitorovic Stefan
Director
10,200$010,200
(Direct)
View
2025-06-09
Option Award
2025-06-11
4:30 pm
N/A
2035-06-08
Tectonic Therapeutic Inc.TECXMCGUIRE TERRANCE
Director
10,200$010,200
(Direct)
View
2025-06-09
Option Award
2025-06-11
4:30 pm
N/A
2035-06-08
Tectonic Therapeutic Inc.TECXTipirneni Praveen P.
Director
10,200$010,200
(Direct)
View
2025-06-09
Option Award
2025-06-11
4:30 pm
N/A
2035-06-08
Tectonic Therapeutic Inc.TECXSPRINGER TIMOTHY A
Director
10% Owner
10,200$010,200
(Direct)
View
2025-02-04
Option Award
2025-02-06
4:05 pm
N/A
2035-02-03
Tectonic Therapeutic Inc.TECXSchwabish Marc
Chief Business Officer
39,519$044,219
(Direct)
View
2025-02-04
Option Award
2025-02-06
4:05 pm
N/A
2035-02-03
Tectonic Therapeutic Inc.TECXMcNamara Peter
Chief Scientific Officer
42,671$056,859
(Direct)
View
2025-02-04
Option Award
2025-02-06
4:05 pm
N/A
2035-02-03
Tectonic Therapeutic Inc.TECXLochner Daniel
Chief Financial Officer
50,936$050,936
(Direct)
View
2025-02-04
Option Award
2025-02-06
4:05 pm
N/A
2035-02-03
Tectonic Therapeutic Inc.TECXRuddy Marcella K.
Chief Medical Officer
50,378$082,443
(Direct)
View
2025-02-04
Option Award
2025-02-06
4:05 pm
N/A
2035-02-03
Tectonic Therapeutic Inc.TECXREICIN ALISE
Chief Executive Officer
138,000$0440,827
(Direct)
View
2025-01-28
Exercise
2025-01-29
4:05 pm
N/A
N/A
Tectonic Therapeutic Inc.TECXSchwabish Marc
Chief Business Officer
2,700$2.3891,214
(Direct)
View
2025-01-28
Exercise
2025-01-29
4:05 pm
N/A
2031-06-27
Tectonic Therapeutic Inc.TECXSchwabish Marc
Chief Business Officer
2,700$091,214
(Direct)
View
(A) Indicate amendment filing.
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