Who
Ian Sheffield
Director
Company insider
Files Form 4 as: Director, Invivyd; Director, Fractyl Health.
In numbers
- Trades disclosed
- 7
- Buys
- 1
- Sells
- 0
- Bought
- $51K
- Sold
- $0
- Companies
- 2
- Companies where not an officer
- 2
- First trade
- 2 Sep 2025
- Last trade
- 31 Aug 2026
- Last filed
- 2 Sep 2026
Companies traded
Activity over time
1 Jun – 1 Oct
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 31 Aug 2026filed 2 Sep 2026 | IVVD Invivydoption or derivative · Biotechnology | SEC FORM 4 Code A | —100,000 at $0.00 | filing |
| 31 Aug 2026filed 2 Sep 2026 | IVVD Invivydoption or derivative · Biotechnology | SEC FORM 4 Code A | —100,000 at $0.00 | filing |
| 10 Jun 2026filed 11 Jun 2026 | GUTS Fractyl HealthMedical Devices | SEC FORM 4 Bought | $26K35,000 at $0.7294 | filing |
| 10 Jun 2026filed 11 Jun 2026 | GUTS Fractyl Healthoption or derivative · Medical Devices | SEC FORM 4 Code A | —22,500 at $0.00 | filing |
| 10 Jun 2026filed 11 Jun 2026 | GUTS Fractyl Healthoption or derivative · Medical Devices | SEC FORM 4 Code A | —22,500 at $0.00 | filing |
| 10 Jun 2026filed 11 Jun 2026 | GUTS Fractyl HealthMedical Devices | SEC FORM 4 Bought | $26K35,000 at $0.73 | filing |
| 2 Sep 2025filed 4 Sep 2025 | GUTS Fractyl Healthoption or derivative · Medical Devices | SEC FORM 4 Code A | —45,000 at $0.00 | filing |
News
Fractyl Health Stock Plunges 48% Despite Positive Revita Weight-Maintenance Trial ResultsGUTS · rttnews.com · 16 Oct 2026Analyzing Zealand Pharma A/S (OTCMKTS:ZLDPF) & Fractyl Health (NASDAQ:GUTS)GUTS · themarketsdaily.com · 14 Oct 2026Robbins LLP Reminds Fractyl Health, Inc. Stockholders of the October 20, 2026 Lead Plaintiff Deadline - GUTS Investors Should Contact the Firm for Information About Leading the Class ActionGUTS · prnewswire.com · 13 Oct 2026
0 headlines in the last 90 days name Ian Sheffield; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.