Company profile
Metsera, Inc. Insider Trading
MTSREvery SEC Form 4 insider trading filing for Metsera, Inc. (MTSR) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Sector
- Pharmaceutical Preparations
- CIK
- 0002040807
- Filings
- 34
- Insiders
- 23
- Last filing
- 2025-11-13
Activity summary
No insider transactions in the last 30 days. The most recent was on November 13, 2025, when ARCH Venture Partners XII, LLC sold 18,503,128 shares. 34 filings from 23 insiders are on record below.
Quarterly balance
Buy and sell value by quarter, Q1 25 to Q4 25. Metsera, Inc. insiders are net buyers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $94.2M.
No insider activity recorded for MTSR in the last 90 days.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Nov 13, 2025 | ARCH Venture Partners XII, LLC | MTSR | Disposition | 18,503,128 | — | — |
| Nov 13, 2025 | ARCH Venture Partners XII, LLC | MTSR | Disposition | 8,313,680 | — | — |
| Nov 13, 2025 | Paul L Berns | MTSR | Disposition | 4,031 | — | — |
| Nov 13, 2025 | Paul L Berns | MTSR | Disposition | 7,523,682 | — | — |
| Nov 13, 2025 | Paul L Berns | MTSR | Disposition | 8,313,680 | — | — |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=MTSR" \
-H "X-Api-Key: $KEY"