Tectonic Therapeutic, Inc. (TECX)
Data as of , from SEC Form 4 filings.
Net insider selling (90d)Watch TECX
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About Tectonic Therapeutic, Inc. (TECX)
Tectonic Therapeutic, Inc. is an SEC registrant, filing under CIK 0001681087, classified as biological products (no diagnostic substances). We track it alongside the rest of the Health Care sector.
TECX Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 3 | 622 | $15K |
| Grant or award | 5 | 156,500 | |
| Option exercise | 4 | 172 | |
TECX insider transactions (Form 4)
4853 Form 4 filings on record, the earliest from Oct 24, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Daniel Lochner - Officer | Tax withholding / forfeiture | Common Stock | 520 footnote F1 | $23.67 | $12K | |
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| Peter McNamara - Officer | Tax withholding / forfeiture | Common Stock | 444 footnote F1 | $23.67 | $11K | |
| Peter McNamara - Officer | Open-market sale | Common Stock | 536 | $23.04 footnote F3 | $12K | |
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| Marcella K. Ruddy - Officer | Tax withholding / forfeiture | Common Stock | 525 footnote F1 | $23.67 | $12K | |
| ||||||
| Alise Reicin - Officer | Tax withholding / forfeiture | Common Stock | 1,545 footnote F1 | $23.67 | $37K | |
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| Marc Schwabish - Officer | Tax withholding / forfeiture | Common Stock | 411 footnote F1 | $23.67 | $10K | |
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| Marc Schwabish - Officer | Grant or award | Employee Stock Option (Right to Buy) | 17,750 | $0.00 | - | |
| Peter McNamara - Officer | Grant or award | Employee Stock Option (Right to Buy) | 21,000 | $0.00 | - | |
| Daniel Lochner - Officer | Grant or award | Employee Stock Option (Right to Buy) | 24,250 | $0.00 | - | |
| Marcella K. Ruddy - Officer | Grant or award | Employee Stock Option (Right to Buy) | 24,250 | $0.00 | - | |
| Alise Reicin - Officer | Grant or award | Employee Stock Option (Right to Buy) | 69,250 | $0.00 | - | |
| Peter McNamara - Officer | Option exercise | Common Stock | 43 | $14.71 | $633 | |
| Peter McNamara - Officer | Open-market sale | Common Stock | 43 | $36.52 | $2K | |
| Peter McNamara - Officer | Option exercise | Employee Stock Option (Right to Buy) | 43 | $0.00 | - | |
| Peter McNamara - Officer | Option exercise | Common Stock | 43 | $14.71 | $633 | |
| Peter McNamara - Officer | Open-market sale | Common Stock | 43 | $35.00 | $2K | |
| Peter McNamara - Officer | Option exercise | Employee Stock Option (Right to Buy) | 43 | $0.00 | - | |
| Peter McNamara - Officer | Option exercise | Common Stock | 172 | $14.71 | $3K | |
| Peter McNamara - Officer | Open-market sale | Common Stock | 172 | $35.00 | $6K | |
| Peter McNamara - Officer | Option exercise | Employee Stock Option (Right to Buy) | 172 | $0.00 | - | |
| Alise Reicin - Officer | Tax withholding / forfeiture | Common Stock | 924 footnote F1 | $30.34 | $28K | |
| ||||||
| Daniel Lochner - Officer | Grant or award | Performance Stock Option (Right to Buy) | 7,500 footnote F1 | $0.00 | - | |
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| Timothy A. Springer | Grant or award | Stock Option (Right to Buy) | 10,200 | $0.00 | - | |
| Praveen P. Tipirneni | Grant or award | Stock Option (Right to Buy) | 10,200 | $0.00 | - | |
| Phillip B. Donenberg | Grant or award | Stock Option (Right to Buy) | 10,200 | $0.00 | - | |
| Stefan Vitorovic | Grant or award | Stock Option (Right to Buy) | 10,200 | $0.00 | - | |
| Jessica Caroline Chutter | Grant or award | Stock Option (Right to Buy) | 20,400 | $0.00 | - | |
| Marcella K. Ruddy - Officer | Open-market sale | Common Stock | 1,065 | $30.00 | $32K | |
| Marcella K. Ruddy - Officer | Open-market sale | Common Stock | 1,000 | $31.05 | $31K | |
 Francois Nader | Grant or award | Stock Option (Right to Buy) | 20,400 | $0.00 | - | |
| Marcella K. Ruddy - Officer | Open-market sale | Common Stock | 10,000 | $30.00 | $300K | |
| Peter McNamara - Officer | Open-market sale | Common Stock | 215 | $35.00 | $8K | |
| Peter McNamara - Officer | Option exercise | Employee Stock Option (Right to Buy) | 2,500 | - footnote F3 | - | |
| Peter McNamara - Officer | Option exercise | Employee Stock Option (Right to Buy) | 215 | $0.00 | - | |
| Peter McNamara - Officer | Option exercise | Common Stock | 2,500 | $2.38 | $6K | |
| Peter McNamara - Officer | Option exercise | Common Stock | 215 | $14.71 | $3K | |
| Peter McNamara - Officer | Open-market sale | Common Stock | 6,047 | $30.00 | $181K | |
| ||||||
| Marc Schwabish - Officer | Grant or award | Common Stock | 19,500 footnote F1 | $0.00 | - | |
| Marc Schwabish - Officer | Grant or award | Employee Stock Option (Right to Buy) | 17,750 | $0.00 | - | |
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| Peter McNamara - Officer | Open-market sale | Common Stock | 1,649 | $22.06 | $36K | |
| Peter McNamara - Officer | Grant or award | Common Stock | 23,000 footnote F2 | $0.00 | - | |
| Peter McNamara - Officer | Open-market sale | Common Stock | 1,650 | $25.00 | $41K | |
| Peter McNamara - Officer | Grant or award | Employee Stock Option (Right to Buy) | 21,000 | $0.00 | - | |
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| Daniel Lochner - Officer | Grant or award | Employee Stock Option (Right to Buy) | 24,250 | $0.00 | - | |
| Daniel Lochner - Officer | Grant or award | Common Stock | 26,500 footnote F1 | $0.00 | - | |
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| Marcella K. Ruddy - Officer | Grant or award | Common Stock | 26,500 footnote F1 | $0.00 | - | |
| Marcella K. Ruddy - Officer | Grant or award | Employee Stock Option (Right to Buy) | 24,250 | $0.00 | - | |
| ||||||
| Alise Reicin - Officer | Open-market purchase | Common Stock | 2,500 | $21.10 | $53K | |
Item 8.01, 9.01
Item 2.02, 9.01
Item 5.07, 8.01, 9.01
Item 2.02, 9.01
Recent TECX Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| PETER MCNAMARA | Officer | 493 | $12K | View on EDGAR | |
| TERRANCE MCGUIRE | Former Director | 7,513 |
TECX insider trading FAQ
What is the latest insider trade for TECX?
Tectonic Therapeutic, Inc. (TECX) had 12 insider filings in the last 90 days, with the most recent on 2026-10-02. The full record for TECX runs to 53 Form 4 filings, the earliest from 2024-10-24. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying TECX stock?
No insider purchases of TECX were filed in the last 90 days. 14 purchases are on record for this company.
How many insiders are selling TECX stock?
3 insider sales of TECX were filed in the last 90 days, totaling $15K.
Where can I see TECX SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects TECX Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Daniel Lochner view on EDGAR
- - Peter McNamara view on EDGAR
- - Marcella K. Ruddy view on EDGAR
- - Alise Reicin view on EDGAR
- - Marc Schwabish view on EDGAR
- - Marc Schwabish view on EDGAR
- - Peter McNamara view on EDGAR
- - Daniel Lochner view on EDGAR
- - Marcella K. Ruddy view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Health Care
- Where TECX's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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