Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Willard H. Dere files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- George Eric Davis - $2.76M in BMRN purchases and sales in the last 12 months
- Charles Greg Guyer - $997K in BMRN purchases and sales in the last 12 months
- Gregory R. Friberg - $559K in BMRN purchases and sales in the last 12 months
- Matthew R. Henn - $23K in MCRB purchases and sales in the last 12 months
- Laurence Reid - $23K in MGX purchases and sales in the last 12 months
- Teresa L. Young - $19K in MCRB purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Willard H. Dere?
Willard H. Dere is a corporate insider of Seres Therapeutics, Inc. (MCRB). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Willard H. Dere last file a Form 4?
The most recent primary Form 4 on record is dated 10 July 2026, one of 4 filings going back to 2025.
