rotation.to
Following this device: dark.
Free account
rotation.to
Appearance
Following this device: dark.
Drag a card by its title · ⚙ to size, swap or remove

Who

Dirk Kersten

Director

Company insider

Files Form 4 as: Director and 10% owner, Dyne Therapeutics.

In numbers

Trades disclosed
127
Buys
1
Sells
59
Bought
$30.0M
Sold
$182.8M
Companies
1
Companies where not an officer
1
First trade
31 Jul 2020
Last trade
27 Jul 2026
Last filed
29 Jul 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
DYN Dyne TherapeuticsDirector, 10% owner · Biotechnology · last 27 Jul 20261 buy · 59 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
60Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
27 Jul 2026filed 29 Jul 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$6.5M256,072 at $25.50filing
27 Jul 2026filed 29 Jul 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$140K5,388 at $26.04filing
27 Jul 2026filed 29 Jul 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$6.5M256,072 at $25.50filing
27 Jul 2026filed 29 Jul 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$140K5,388 at $26.04filing
23 Jun 2026filed 24 Jun 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$1.5M71,629 at $21.04filing
23 Jun 2026filed 24 Jun 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$36K1,657 at $21.47filing
23 Jun 2026filed 24 Jun 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$1.5M71,629 at $21.04filing
23 Jun 2026filed 24 Jun 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$36K1,657 at $21.47filing
22 Jun 2026filed 24 Jun 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$3.9M190,676 at $20.57filing
22 Jun 2026filed 24 Jun 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$3.9M190,676 at $20.57filing
18 Jun 2026filed 22 Jun 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$941K46,901 at $20.07filing
18 Jun 2026filed 22 Jun 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$941K46,901 at $20.07filing
17 Jun 2026filed 22 Jun 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$754K37,454 at $20.14filing
17 Jun 2026filed 22 Jun 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$754K37,454 at $20.14filing
5 Jun 2026filed 9 Jun 2026DYN Dyne Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—35,152 at $0.00filing
5 Jun 2026filed 9 Jun 2026DYN Dyne Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—35,152 at $0.00filing
22 Apr 2026filed 23 Apr 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$53K2,652 at $20.00filing
22 Apr 2026filed 23 Apr 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$53K2,652 at $20.00filing
21 Apr 2026filed 23 Apr 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$166K8,300 at $20.01filing
21 Apr 2026filed 23 Apr 2026DYN Dyne TherapeuticsBiotechnologySEC FORM 4 Sold$166K8,300 at $20.01filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Health Care60

Buys in green, sells in red, by the company’s sector.

Related people

Douglas KerrHead of R&D and CMO · Head of R&D and CMO at Dyne Therapeutics, filing Form 4 there in the last year
Brian S. PosnerDirector · Director at Dyne Therapeutics, filing Form 4 there in the last year
Johanna Friedl-NadererChief Commercial Officer · Chief Commercial Officer at Dyne Therapeutics, filing Form 4 there in the last year
John CoxCEO & President · CEO & President at Dyne Therapeutics, filing Form 4 there in the last year
Erick LuceraChief Financial Officer · Chief Financial Officer at Dyne Therapeutics, filing Form 4 there in the last year
Jason P. RhodesDirector · Also traded DYN in the last 90 days