Insiders who reported open-market trades in the last 12 months at the companies Madryn Asset Management, LP 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.
Jorey Chernett - $4.33M in STIM purchases and sales in the last 12 months
Keith J. Sullivan - $193K in STIM purchases and sales in the last 12 months
Madryn Asset Management, LP is an investment firm of Neuronetics, Inc. (STIM). InsiderAlpha holds 6 primary Form 4 filings for it, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Madryn Asset Management, LP last file a Form 4?
The most recent primary Form 4 on record is dated 17 June 2026, one of 6 filings going back to 2025.
Has Madryn Asset Management, LP been buying or selling stock?
Recorded transactions: 9 open-market purchases ($1.50M) and 3 open-market sales ($13.02M) across all tracked filings.
Madryn Asset Management, LP files SEC Form 4 reports at Neuronetics, Inc. (STIM). 6 SEC Form 4 filings on record going back to 2025, most recently on 17 June 2026. Most recent open-market trade: bought $1.50M of VERO on 31 March 2026. Lifetime open-market purchases: $1.50M. Lifetime open-market sales: $13.02M.
Recent transactions
13
The latest 13 SEC Form 4 transactions reported by Madryn Asset Management, LP.
InsiderAlpha's records for Madryn Asset Management, LP go back to 2025: 6 primary Form 4 filings, an average of 3.0 per year. The typical open-market purchase is $1.50M (1 of 9 buys carry a usable dollar value, totaling $1.50M). The largest single buy on record is $1.50M of VERO in 2026. Sales side: 3 recorded sales totaling $13.02M, so the filing history runs sell-heavy by dollar value. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
