Kersten Dirk
SEC Form 4 insider trading activity
Kersten Dirk has filed 8 SEC Form 4 filings (19 transaction rows) across 1 company, with disclosures dating back to 2026. 8 of those filings fall inside the rolling window. Most recent filing: Jul 29, 2026.
On the most recent filing, Kersten Dirk is listed as Director at Dyne Therapeutics, Inc. Inside the rolling window, Kersten Dirk reported no open-market purchases and 14 open-market sales totaling $38.6M in DYN. The largest disclosed transaction in the window is a sale of 511,098 DYN shares on Mar 10, 2026, worth $10.0M.
Companies traded
Other insiders at DYN
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$38.6M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| DYN | Director | Sale | 261,460 | $6.7M | Jul 29 | SEC ↗ | |
| DYN | Director | Sale | 190,676 | $3.9M | Jun 24 | SEC ↗ | |
| DYN | Director | Sale | 73,286 | $1.5M | Jun 24 | SEC ↗ | |
| DYN | Director | Sale | 37,454 | $754K | Jun 22 | SEC ↗ | |
| DYN | Director | Sale | 46,901 | $941K | Jun 22 | SEC ↗ | |
| DYN | Director | Sale | 8,300 | $166K | Apr 23 | SEC ↗ | |
| DYN | Director | Sale | 2,652 | $53K | Apr 23 | SEC ↗ | |
| DYN | Director | Sale | 211,974 | $4.3M | Apr 21 | SEC ↗ | |
| DYN | Director | Sale | 125,274 | $2.5M | Apr 21 | SEC ↗ | |
| DYN | Director | Sale | 81,840 | $1.7M | Apr 17 | SEC ↗ | |
| DYN | Director | Sale | 17,773 | $368K | Apr 17 | SEC ↗ | |
| DYN | Director | Sale | 129,672 | $2.5M | Mar 13 | SEC ↗ | |
| DYN | Director | Sale | 177,690 | $3.1M | Mar 11 | SEC ↗ | |
| DYN | Director | Sale | 511,098 | $10.0M | Mar 11 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has Kersten Dirk made?
Kersten Dirk has filed 8 SEC Form 4 filings (19 transaction rows) across 1 company since 2026.
Which companies does Kersten Dirk trade?
Kersten Dirk has filed SEC Form 4 disclosures for 1 company, including DYN.
When was Kersten Dirk's most recent SEC Form 4 filing?
Kersten Dirk's most recent SEC Form 4 filing on Tracefour is dated Jul 29, 2026.
What is Kersten Dirk's total buy and sell value in the current window?
Inside the rolling retention window, Kersten Dirk bought $0 and sold $38.6M based on SEC Form 4 filings.
What was Kersten Dirk's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 511,098 DYN shares on 2026-03-10, worth $10.0M, per SEC Form 4 filings.