Quick Takeaways
- Terrance McGuire filed SCHEDULE 13D/A for Tectonic Therapeutic, Inc. Common Stock, $0.0001 par value per share (TECX).
- Disclosed ownership: 6.3%.
- Date of event: 03 Apr 2025.
Terrance McGuire - 03 Apr 2025 SCHEDULE 13D/A Report for Tectonic Therapeutic, Inc. Common Stock, $0.0001 par value per share (TECX)
- Filing Manager
- Terrance McGuire
- Reporting Manager
- Terrance McGuire
- Symbol
- TECX
- Shares outstanding
- 10,444,063 shares
- Disclosed Ownership
- 657,976 shares
- Ownership
- 6.3%
- Form type
- SCHEDULE 13D/A
- Filing time
- 07 Apr 2025, 17:19:24 UTC
- Date of event
- 03 Apr 2025
- Previous filing
- 07 Feb 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Terrance McGuire disclosed 6.3% ownership in Tectonic Therapeutic, Inc. Common Stock, $0.0001 par value per share (TECX) on 03 Apr 2025."
What Changed
- Previous schedule filing date: 07 Feb 2025.
- Current filing was accepted on 07 Apr 2025, 17:19.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (8)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Terrance McGuire | 6.3% | 657,976 | 0 | 657,976 | /s/ Lauren Crockett* | Lauren Crockett/Attorney-in-Fact | 0001117003 |
| Polaris Partners IX, L.P. | 3.1% | 573,062 | 0 | 573,062 | /s/ Lauren Crockett | Lauren Crockett/General Counsel of Polaris Partners GP IX, L.L.C. the General Partner of Polaris Partners IX, L.P. | 0001779755 |
| Polaris Partners GP IX, L.L.C. | 3.1% | 573,062 | 0 | 573,062 | /s/ Lauren Crockett | Lauren Crockett/General Counsel | 0001877150 |
| Polaris Founders Capital Fund I, L.P. | 0.1% | 20,262 | 0 | 20,262 | /s/ Gregg Rubin | Gregg Rubin/General Partner of Polaris Founders Capital Management Co. I, L.L.C. the General Partner of Polaris Founders Capital Fund I, L.P. | |
| Polaris Founders Capital Fund Management Co. I, L.L.C. | 0.1% | 20,262 | 0 | 20,262 | /s/ Gregg Rubin | Gregg Rubin/General Partner | |
| Polaris Founders Capital Fund II, L.P. | 0.3% | 64,652 | 0 | 64,652 | /s/ Harold Friedman | Harold Friedman/Vice President of Polaris Founders Capital Management Co. II, L.L.C. the General Partner of Polaris Founders Capital Fund II, L.P. | |
| Polaris Founders Capital Fund Management Co. II, L.L.C. | 0.3% | 64,652 | 0 | 64,652 | /s/ Harold Friedman | Harold Friedman/Vice President | |
| Jonathan Flint | 0.5% | 84,914 | 0 | 84,914 | /s/ Lauren Crockett* | Lauren Crockett/Attorney-in-Fact | 0001295676 |