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$DYN

$17.99 +$0.75 (4.35%)

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Insider Transactions

Insider Transaction Summary

Capital Fund IV Cooperatief U.A. Forbion

6,131,079 shares

Net: 0 B/S: -

Venture Fund XI, L.P. Atlas

5,700,521 shares

Net: 0 B/S: -

BIOVENTURES 2018, L.P. MPM

4,614,943 shares

Net: 0 B/S: -

Dirk Kersten

4,196,573 shares

Net: -758,000 B/S: -

Manager II, LLC VV

2,880,125 shares

Net: 0 B/S: -

CAPITAL MANAGEMENT, L.P. RA

2,805,045 shares

Net: 0 B/S: -

Biomedical Innovation Master Investors (Cayman) I L.P. Wellington

1,608,785 shares

Net: 0 B/S: -

Jason P Rhodes

1,577,432 shares

Net: -380,226 B/S: -

Global Management LP Logos

1,504,392 shares

Net: 0 B/S: -

Venture Opportunity Fund I, L.P. Atlas

1,458,691 shares

Net: 0 B/S: -

Joshua T Brumm

604,385 shares

Net: 0 B/S: -

Ventures, LLC CureDuchenne

602,972 shares

Net: 0 B/S: -

Romesh Subramanian

566,249 shares

Net: 0 B/S: -

John Cox

374,145 shares

Net: +455,191 B/S: 39.46

Oxana Beskrovnaya

195,840 shares

Net: 0 B/S: -

Douglas Kerr

171,606 shares

Net: +142,559 B/S: 19.88

Johanna Friedl-Naderer

154,581 shares

Net: +109,779 B/S: 75.38

Wildon Farwell

143,483 shares

Net: 0 B/S: -

SUSANNA GATTI HIGH

136,272 shares

Net: 0 B/S: -

Jonathan McNeill

132,411 shares

Net: 0 B/S: -

Erick Lucera

125,373 shares

Net: +59,273 B/S: 11.35

Richard William Scalzo

122,330 shares

Net: 0 B/S: -

Vikram Karnani

59,665 shares

Net: +59,665 B/S: ∞

EDWARD HURWITZ

35,000 shares

Net: 0 B/S: -

Catherine Stehman-Breen

35,000 shares

Net: 0 B/S: -

Carlo Incerti

35,000 shares

Net: 0 B/S: -

Brian S Posner

15,500 shares

Net: +77,000 B/S: ∞

Lawrence Otto Klein

7,222 shares

Net: 0 B/S: -

David Charles Lubner

0 shares

Net: -53,625 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Capital Fund IV Cooperatief U.A. Forbion	6,131,079	0	-
Venture Fund XI, L.P. Atlas	5,700,521	0	-
BIOVENTURES 2018, L.P. MPM	4,614,943	0	-
Dirk Kersten	4,196,573	-758,000	-
Manager II, LLC VV	2,880,125	0	-
CAPITAL MANAGEMENT, L.P. RA	2,805,045	0	-
Biomedical Innovation Master Investors (Cayman) I L.P. Wellington	1,608,785	0	-
Jason P Rhodes	1,577,432	-380,226	-
Global Management LP Logos	1,504,392	0	-
Venture Opportunity Fund I, L.P. Atlas	1,458,691	0	-
Joshua T Brumm	604,385	0	-
Ventures, LLC CureDuchenne	602,972	0	-
Romesh Subramanian	566,249	0	-
John Cox	374,145	+455,191	39.46
Oxana Beskrovnaya	195,840	0	-
Douglas Kerr	171,606	+142,559	19.88
Johanna Friedl-Naderer	154,581	+109,779	75.38
Wildon Farwell	143,483	0	-
SUSANNA GATTI HIGH	136,272	0	-
Jonathan McNeill	132,411	0	-
Erick Lucera	125,373	+59,273	11.35
Richard William Scalzo	122,330	0	-
Vikram Karnani	59,665	+59,665	∞
EDWARD HURWITZ	35,000	0	-
Catherine Stehman-Breen	35,000	0	-
Carlo Incerti	35,000	0	-
Brian S Posner	15,500	+77,000	∞
Lawrence Otto Klein	7,222	0	-
David Charles Lubner	0	-53,625	-

Individual Transactions

April 28, 2026

Jason P Rhodes

Open Market Sale

Change: -59,870

Price: $18.38

Shares: 1,577,432

Value: -$1,100,410

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jason P Rhodes	Apr 30	Open Market Sale (S) Market Sale	1,577,432	-59,870	$18.38	-$1,100,410

April 27, 2026

Jason P Rhodes

Open Market Sale

Change: -45,709

Price: $18.15

Shares: 1,637,302

Value: -$829,618

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jason P Rhodes	Apr 27	Open Market Sale (S) Market Sale	1,637,302	-45,709	$18.15	-$829,618

April 24, 2026

David Charles Lubner

Gift

Change: -53,625

Price: $0.00

Shares: 0

Value: -$0

Jason P Rhodes

Open Market Sale

Change: -36,345

Price: $18.48

Shares: 1,683,011

Value: -$671,655

Insider	Filing Date	Transaction	Shares	Change	Price	Value
David Charles Lubner	Apr 28	Gift (G) Non-Market Transfer	0	-53,625	$0.00	-$0
Jason P Rhodes	Apr 27	Open Market Sale (S) Market Sale	1,683,011	-36,345	$18.48	-$671,655

April 23, 2026

Jason P Rhodes

Open Market Sale

Change: -19,261

Price: $19.19

Shares: 1,719,356

Value: -$369,618

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jason P Rhodes	Apr 27	Open Market Sale (S) Market Sale	1,719,356	-19,261	$19.19	-$369,618

April 22, 2026

Dirk Kersten

Open Market Sale

Change: -2,652

Price: $20.00

Shares: 4,196,573

Value: -$53,049

Jason P Rhodes

Open Market Sale

Change: -75,866

Price: $19.68

Shares: 1,738,617

Value: -$1,493,042

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Dirk Kersten	Apr 23	Open Market Sale (S) Market Sale	4,196,573	-2,652	$20.00	-$53,049
Jason P Rhodes	Apr 22	Open Market Sale (S) Market Sale	1,738,617	-75,866	$19.68	-$1,493,042

April 21, 2026

Dirk Kersten

Open Market Sale

Change: -8,300

Price: $20.01

Shares: 4,199,225

Value: -$166,120

Jason P Rhodes

Open Market Sale

Change: -71,499

Price: $19.51

Shares: 1,815,252

Value: -$1,394,945

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Dirk Kersten	Apr 23	Open Market Sale (S) Market Sale	4,199,225	-8,300	$20.01	-$166,120
Jason P Rhodes	Apr 22	Open Market Sale (S) Market Sale	1,815,252	-71,499	$19.51	-$1,394,945

April 20, 2026

Jason P Rhodes

Open Market Sale

Change: -71,676

Price: $20.06

Shares: 1,886,751

Value: -$1,437,820

Dirk Kersten

Open Market Sale

Change: -125,274

Price: $20.07

Shares: 4,207,525

Value: -$2,513,898

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jason P Rhodes	Apr 22	Open Market Sale (S) Market Sale	1,886,751	-71,676	$20.06	-$1,437,820
Dirk Kersten	Apr 21	Open Market Sale (S) Market Sale	4,207,525	-125,274	$20.07	-$2,513,898

April 17, 2026

Dirk Kersten

Open Market Sale

Change: -211,974

Price: $20.29

Shares: 4,332,799

Value: -$4,301,291

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Dirk Kersten	Apr 21	Open Market Sale (S) Market Sale	4,332,799	-211,974	$20.29	-$4,301,291

April 16, 2026

Dirk Kersten

Open Market Sale

Change: -11,116

Price: $21.10

Shares: 4,551,430

Value: -$234,590

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Dirk Kersten	Apr 17	Open Market Sale (S) Market Sale	4,551,430	-11,116	$21.10	-$234,590

April 15, 2026

Dirk Kersten

Open Market Sale

Change: -81,840

Price: $20.27

Shares: 4,562,546

Value: -$1,659,044

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Dirk Kersten	Apr 17	Open Market Sale (S) Market Sale	4,562,546	-81,840	$20.27	-$1,659,044

April 01, 2026

Erick Lucera

Open Market Sale

Change: -5,727

Price: $18.64

Shares: 125,373

Value: -$106,751

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Erick Lucera	Apr 03	Open Market Sale (S) Market Sale	125,373	-5,727	$18.64	-$106,751

March 30, 2026

Brian S Posner

Open Market Purchase

Change: +2,000

Price: $17.08

Shares: 15,500

Value: +$34,160

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Brian S Posner	Apr 01	Open Market Purchase (P) Market Purchase	15,500	+2,000	$17.08	+$34,160

March 11, 2026

Dirk Kersten

Open Market Sale

Change: -129,672

Price: $19.52

Shares: 4,644,386

Value: -$2,530,562

Brian S Posner

Open Market Purchase

Change: +2,000

Price: $19.35

Shares: 13,500

Value: +$38,700

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Dirk Kersten	Mar 13	Open Market Sale (S) Market Sale	4,644,386	-129,672	$19.52	-$2,530,562
Brian S Posner	Mar 13	Open Market Purchase (P) Market Purchase	13,500	+2,000	$19.35	+$38,700

March 10, 2026

Dirk Kersten

Open Market Sale

Change: -9,482

Price: $18.21

Shares: 5,275,674

Value: -$172,687

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Dirk Kersten	Mar 11	Open Market Sale (S) Market Sale	5,275,674	-9,482	$18.21	-$172,687

March 09, 2026

Dirk Kersten

Open Market Sale

Change: -177,690

Price: $17.72

Shares: 5,285,156

Value: -$3,148,986

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Dirk Kersten	Mar 11	Open Market Sale (S) Market Sale	5,285,156	-177,690	$17.72	-$3,148,986