DYN Stock: Insider Activity, Filings & Research
Drillr aggregates AI research, SEC filings, earnings signals and alt-data for DYN.
Insider Activity
Over the past 90 days, DYN insiders have engaged in predominantly selling activity, with 65 open-market sales against 4 purchases, resulting in net insider selling of $54.5M and an insider sentiment score of 0/100. Director Kersten Dirk accounted for a substantial portion of this activity, selling $5.6M, $4.3M, and $4.2M across three transactions in March and April 2026. Despite the heavy insider selling, DYN's stock price returned 18.1% over the same period, while institutional investors have been accumulating shares according to 13F filings. The data presents a divergence between insider disposition and both price performance and institutional buying interest.
Updated Jun 4, 2026 · based on SEC Form 4 filings · not investment advice
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 28, 2026 | Posner Brian Sdirector | Buy | 2,000 | $18.21 |
| May 22, 2026 | Posner Brian Sdirector | Buy | 2,500 | $17.12 |
| May 14, 2026 | Kerr Douglasofficer: Chief Medical Officer | Sell | 1,564 | $18.36 |
| May 14, 2026 | Cox Johndirector, officer: CEO & President | Sell | 3,311 | $18.36 |
| May 14, 2026 | Friedl-Naderer Johannaofficer: Chief Commercial Officer | Sell | 228 | $18.36 |
| May 14, 2026 | Lucera Erickofficer: Chief Financial Officer | Sell | 1,448 | $18.36 |
| May 6, 2026 | Rhodes Jason Pdirector | Sell | 6,081 | $18.03 |
| May 6, 2026 | Rhodes Jason Pdirector | Sell | 61 | $18.00 |
| May 6, 2026 | Rhodes Jason Pdirector | Sell | 21,926 | $18.18 |
| May 6, 2026 | Rhodes Jason Pdirector | Sell | 60 | $18.03 |
| May 6, 2026 | Rhodes Jason Pdirector | Sell | 2,466 | $18.00 |
| May 6, 2026 | Rhodes Jason Pdirector | Sell | 2,403 | $18.03 |
| May 6, 2026 | Rhodes Jason Pdirector | Sell | 6,241 | $18.00 |
| May 6, 2026 | Rhodes Jason Pdirector | Sell | 428 | $18.18 |
| May 6, 2026 | Rhodes Jason Pdirector | Sell | 43,621 | $18.18 |
Source: DYN SEC Form 4 filings, latest May 28, 2026. For informational purposes only — not investment advice.
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