Eric Siemers
Chief Medical Officer · Acumen Pharmaceuticals, Inc.
- 2026
- Jan 23, 2026
- 2
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Eric Siemers 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.
- Derek M. Meisner - $105K in ABOS purchases and sales in the last 12 months
- Derrell Porter - $75K in ABOS purchases and sales in the last 12 months
- Daniel Joseph Oconnell - $22K in ABOS purchases and sales in the last 12 months
- Nathan B. Fountain - $14K in ABOS purchases and sales in the last 12 months
- Matt Zuga - $8K in ABOS purchases and sales in the last 12 months
- Russell Barton - $5K in ABOS purchases and sales in the last 12 months
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Frequently asked questions
Who is Eric Siemers?
Eric Siemers is a corporate insider, tracked as Chief Medical Officer of Acumen Pharmaceuticals, Inc. (ABOS). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Eric Siemers last file a Form 4?
The most recent primary Form 4 on record is dated 23 January 2026, one of 2 filings going back to 2026.
Has Eric Siemers been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($6K) across all tracked filings.
