Stocks · Health care · Pharmaceutical Preparations

Dyne Therapeutics, Inc.

DYN Clue Score44
United States Fiscal year ends December CIK 0001818794
16.64
+1.65%
Close, 9 Oct 2026 · USD

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
16.64 on 9 Oct 2026
27 20 14 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $14.03 14 Oct 2025 $15.45 15 Oct 2025 $16.53 16 Oct 2025 $16.42 17 Oct 2025 $16.38 20 Oct 2025 $17.08 21 Oct 2025 $16.75 22 Oct 2025 $16.35 23 Oct 2025 $16.49 24 Oct 2025 $17.12 27 Oct 2025 $24.17 28 Oct 2025 $24.29 29 Oct 2025 $23.63 30 Oct 2025 $23.55 31 Oct 2025 $22.58 3 Nov 2025 $24.11 4 Nov 2025 $21.52 5 Nov 2025 $20.90 6 Nov 2025 $18.21 7 Nov 2025 $18.36 10 Nov 2025 $18.51 11 Nov 2025 $19.67 12 Nov 2025 $18.61 13 Nov 2025 $18.83 14 Nov 2025 $18.79 17 Nov 2025 $20.24 18 Nov 2025 $20.96 19 Nov 2025 $20.60 20 Nov 2025 $20.12 21 Nov 2025 $21.18 24 Nov 2025 $21.67 25 Nov 2025 $20.80 26 Nov 2025 $21.17 28 Nov 2025 $21.90 1 Dec 2025 $20.61 2 Dec 2025 $19.99 3 Dec 2025 $20.09 4 Dec 2025 $20.65 5 Dec 2025 $20.28 8 Dec 2025 $22.20 9 Dec 2025 $18.44 10 Dec 2025 $19.69 11 Dec 2025 $19.42 12 Dec 2025 $19.27 15 Dec 2025 $19.59 16 Dec 2025 $19.55 17 Dec 2025 $18.90 18 Dec 2025 $18.55 19 Dec 2025 $19.85 22 Dec 2025 $20.78 23 Dec 2025 $20.41 24 Dec 2025 $20.35 26 Dec 2025 $20.04 29 Dec 2025 $19.59 30 Dec 2025 $19.20 31 Dec 2025 $19.56 2 Jan 2026 $18.50 5 Jan 2026 $18.23 6 Jan 2026 $18.12 7 Jan 2026 $19.39 8 Jan 2026 $18.26 9 Jan 2026 $17.77 12 Jan 2026 $17.46 13 Jan 2026 $17.04 14 Jan 2026 $17.45 15 Jan 2026 $16.42 16 Jan 2026 $16.71 20 Jan 2026 $16.58 21 Jan 2026 $17.50 22 Jan 2026 $18.08 23 Jan 2026 $18.00 26 Jan 2026 $18.00 27 Jan 2026 $18.04 28 Jan 2026 $17.70 29 Jan 2026 $17.88 30 Jan 2026 $17.89 2 Feb 2026 $18.76 3 Feb 2026 $18.96 4 Feb 2026 $18.23 5 Feb 2026 $16.55 6 Feb 2026 $16.80 9 Feb 2026 $16.99 10 Feb 2026 $17.14 11 Feb 2026 $16.68 12 Feb 2026 $16.00 13 Feb 2026 $15.54 17 Feb 2026 $15.28 18 Feb 2026 $15.38 19 Feb 2026 $15.25 20 Feb 2026 $14.88 23 Feb 2026 $15.45 24 Feb 2026 $15.54 25 Feb 2026 $16.09 26 Feb 2026 $16.19 27 Feb 2026 $15.62 2 Mar 2026 $16.15 3 Mar 2026 $14.60 4 Mar 2026 $15.23 5 Mar 2026 $15.20 6 Mar 2026 $14.86 9 Mar 2026 $17.69 10 Mar 2026 $19.78 11 Mar 2026 $19.99 12 Mar 2026 $18.06 13 Mar 2026 $17.92 16 Mar 2026 $18.13 17 Mar 2026 $18.66 18 Mar 2026 $18.29 19 Mar 2026 $17.80 20 Mar 2026 $17.56 23 Mar 2026 $17.87 24 Mar 2026 $17.85 25 Mar 2026 $18.98 26 Mar 2026 $18.55 27 Mar 2026 $17.14 30 Mar 2026 $17.09 31 Mar 2026 $18.13 1 Apr 2026 $18.10 2 Apr 2026 $18.84 6 Apr 2026 $18.35 7 Apr 2026 $18.16 8 Apr 2026 $18.38 9 Apr 2026 $19.36 10 Apr 2026 $18.68 13 Apr 2026 $19.00 14 Apr 2026 $19.81 15 Apr 2026 $19.98 16 Apr 2026 $19.91 17 Apr 2026 $20.41 20 Apr 2026 $20.02 21 Apr 2026 $19.21 22 Apr 2026 $19.67 23 Apr 2026 $18.90 24 Apr 2026 $18.26 27 Apr 2026 $18.04 28 Apr 2026 $18.16 29 Apr 2026 $17.41 30 Apr 2026 $17.55 1 May 2026 $17.39 4 May 2026 $17.71 5 May 2026 $17.47 6 May 2026 $18.84 7 May 2026 $17.54 8 May 2026 $17.61 11 May 2026 $18.46 12 May 2026 $18.37 13 May 2026 $18.44 14 May 2026 $18.28 15 May 2026 $17.29 18 May 2026 $16.54 19 May 2026 $15.92 20 May 2026 $17.56 21 May 2026 $17.37 22 May 2026 $17.37 26 May 2026 $18.15 27 May 2026 $18.16 28 May 2026 $18.56 29 May 2026 $19.33 1 Jun 2026 $18.63 2 Jun 2026 $17.24 3 Jun 2026 $17.99 4 Jun 2026 $18.41 5 Jun 2026 $17.04 8 Jun 2026 $16.81 9 Jun 2026 $17.92 10 Jun 2026 $17.67 11 Jun 2026 $17.95 12 Jun 2026 $18.19 15 Jun 2026 $18.73 16 Jun 2026 $18.07 17 Jun 2026 $19.20 18 Jun 2026 $19.80 22 Jun 2026 $20.87 23 Jun 2026 $20.26 24 Jun 2026 $20.33 25 Jun 2026 $20.61 26 Jun 2026 $20.94 29 Jun 2026 $21.26 30 Jun 2026 $22.21 1 Jul 2026 $21.79 2 Jul 2026 $23.07 6 Jul 2026 $22.84 7 Jul 2026 $23.83 8 Jul 2026 $23.83 9 Jul 2026 $24.27 10 Jul 2026 $23.42 13 Jul 2026 $23.64 14 Jul 2026 $23.78 15 Jul 2026 $23.99 16 Jul 2026 $22.72 17 Jul 2026 $23.74 20 Jul 2026 $23.45 21 Jul 2026 $23.83 22 Jul 2026 $23.21 23 Jul 2026 $23.89 24 Jul 2026 $24.44 27 Jul 2026 $25.63 28 Jul 2026 $25.90 29 Jul 2026 $25.10 30 Jul 2026 $25.73 31 Jul 2026 $25.18 3 Aug 2026 $25.24 4 Aug 2026 $25.97 5 Aug 2026 $26.17 6 Aug 2026 $25.88 7 Aug 2026 $26.25 10 Aug 2026 $26.50 11 Aug 2026 $26.71 12 Aug 2026 $26.17 13 Aug 2026 $25.96 14 Aug 2026 $25.70 17 Aug 2026 $26.15 18 Aug 2026 $26.00 19 Aug 2026 $26.78 20 Aug 2026 $25.98 21 Aug 2026 $26.10 24 Aug 2026 $25.99 25 Aug 2026 $26.34 26 Aug 2026 $26.36 27 Aug 2026 $26.09 28 Aug 2026 $25.07 31 Aug 2026 $25.43 1 Sep 2026 $25.10 2 Sep 2026 $25.14 3 Sep 2026 $24.95 4 Sep 2026 $24.28 8 Sep 2026 $20.31 9 Sep 2026 $19.19 10 Sep 2026 $18.42 11 Sep 2026 $18.21 14 Sep 2026 $18.52 15 Sep 2026 $17.90 16 Sep 2026 $17.31 17 Sep 2026 $18.06 18 Sep 2026 $17.11 21 Sep 2026 $17.12 22 Sep 2026 $17.14 23 Sep 2026 $16.23 24 Sep 2026 $16.51 25 Sep 2026 $16.03 28 Sep 2026 $16.34 29 Sep 2026 $16.21 30 Sep 2026 $16.11 1 Oct 2026 $15.82 2 Oct 2026 $15.20 5 Oct 2026 $15.44 6 Oct 2026 $15.40 7 Oct 2026 $15.97 8 Oct 2026 $16.37 9 Oct 2026 $16.64 Friedl-Naderer Johanna Chief Commercial Officer Sold on a plan $2.98K 5 Dec 2025 · at $20.72 · 0.2% of stake Kerr Douglas Chief Medical Officer Sold on a plan $18.23K 5 Dec 2025 · at $20.72 · 1.0% of stake Cox John CEO & President Sold on a plan $55.16K 5 Dec 2025 · at $20.72 · 1.3% of stake Friedl-Naderer Johanna Chief Commercial Officer Sold on a plan $2.21K 5 Mar 2026 · at $14.90 · 0.1% of stake Kerr Douglas Chief Medical Officer Sold on a plan $13.47K 5 Mar 2026 · at $14.90 · 0.5% of stake Cox John CEO & President Sold on a plan $40.71K 5 Mar 2026 · at $14.90 · 0.7% of stake Posner Brian S Director Bought $45.18K 6 Mar 2026 · at $15.06 · 35.3% of stake Kersten Dirk Director Sold on a plan $3.15M 9 Mar 2026 · at $17.72 · 3.3% of stake Kersten Dirk Director Sold on a plan $10.00M 10 Mar 2026 · at $19.57 · 9.7% of stake Posner Brian S Director Bought $38.70K 11 Mar 2026 · at $19.35 · 17.4% of stake Kersten Dirk Director Sold on a plan $2.53M 11 Mar 2026 · at $19.52 · 2.7% of stake Posner Brian S Director Bought $34.16K 30 Mar 2026 · at $17.08 · 14.8% of stake Lucera Erick Chief Financial Officer Sold on a plan $106.75K 1 Apr 2026 · at $18.64 · 4.4% of stake Kersten Dirk Director Sold on a plan $1.66M 15 Apr 2026 · at $20.27 · 1.8% of stake Kersten Dirk Director Sold on a plan $368.11K 16 Apr 2026 · at $20.71 · 0.4% of stake Kersten Dirk Director Sold on a plan $4.30M 17 Apr 2026 · at $20.29 · 4.7% of stake Kersten Dirk Director Sold on a plan $2.51M 20 Apr 2026 · at $20.07 · 2.9% of stake Rhodes Jason P Director Sold on a plan $5.46M 20 Apr 2026 · at $20.06 · 94.9% of stake Kersten Dirk Director Sold on a plan $166.12K 21 Apr 2026 · at $20.01 · 0.2% of stake Rhodes Jason P Director Sold on a plan $5.35M 21 Apr 2026 · at $19.52 · 95.4% of stake Kersten Dirk Director Sold on a plan $53.05K 22 Apr 2026 · at $20.00 · 0.1% of stake Rhodes Jason P Director Sold on a plan $5.67M 22 Apr 2026 · at $19.68 · 96.1% of stake Rhodes Jason P Director Sold on a plan $1.40M 23 Apr 2026 · at $19.19 · 86.6% of stake Rhodes Jason P Director Sold on a plan $2.55M 24 Apr 2026 · at $18.48 · 92.9% of stake Rhodes Jason P Director Sold on a plan $3.15M 27 Apr 2026 · at $18.15 · 94.7% of stake Rhodes Jason P Director Sold on a plan $4.18M 28 Apr 2026 · at $18.38 · 96.4% of stake Rhodes Jason P Director Sold on a plan $214.27K 4 May 2026 · at $18.00 · 58.5% of stake Rhodes Jason P Director Sold on a plan $209.15K 5 May 2026 · at $18.03 · 58.0% of stake Rhodes Jason P Director Sold on a plan $1.51M 6 May 2026 · at $18.18 · 91.3% of stake Friedl-Naderer Johanna Chief Commercial Officer Sold on a plan $4.19K 13 May 2026 · at $18.36 · 0.1% of stake Lucera Erick Chief Financial Officer Sold on a plan $26.59K 13 May 2026 · at $18.36 · 1.2% of stake Kerr Douglas Chief Medical Officer Sold on a plan $28.72K 13 May 2026 · at $18.36 · 0.9% of stake Cox John CEO & President Sold on a plan $60.79K 13 May 2026 · at $18.36 · 0.9% of stake Posner Brian S Director Bought $42.80K 20 May 2026 · at $17.12 · 16.1% of stake Posner Brian S Director Bought $36.42K 26 May 2026 · at $18.21 · 11.1% of stake Posner Brian S Director Bought $43.70K 3 Jun 2026 · at $17.48 · 12.5% of stake Posner Brian S Director Bought $33.88K 8 Jun 2026 · at $16.94 · 8.9% of stake Friedl-Naderer Johanna Chief Commercial Officer Sold on a plan $2.66K 16 Jun 2026 · at $18.33 · 0.1% of stake Kerr Douglas Chief Medical Officer Sold on a plan $16.26K 16 Jun 2026 · at $18.33 · 0.5% of stake Cox John CEO & President Sold on a plan $49.18K 16 Jun 2026 · at $18.33 · 0.7% of stake Kersten Dirk Director Sold on a plan $754.32K 17 Jun 2026 · at $20.14 · 0.9% of stake Kersten Dirk Director Sold on a plan $941.37K 18 Jun 2026 · at $20.07 · 1.1% of stake Kersten Dirk Director Sold on a plan $3.92M 22 Jun 2026 · at $20.57 · 4.6% of stake Kersten Dirk Director Sold on a plan $1.54M 23 Jun 2026 · at $21.05 · 1.9% of stake Rhodes Jason P Director Sold on a plan $3.12M 23 Jun 2026 · at $21.13 · 11.8% of stake Rhodes Jason P Director Sold on a plan $2.02M 24 Jun 2026 · at $21.02 · 8.1% of stake Lucera Erick Chief Financial Officer Sold at will $48.11K 25 Jun 2026 · at $20.37 · 1.9% of stake Rhodes Jason P Director Sold on a plan $508.51K 25 Jun 2026 · at $21.10 · 2.2% of stake Rhodes Jason P Director Sold on a plan $6.58M 26 Jun 2026 · at $21.28 · 23.3% of stake Rhodes Jason P Director Sold on a plan $4.13M 29 Jun 2026 · at $21.14 · 16.7% of stake Rhodes Jason P Director Sold on a plan $10.94M 6 Jul 2026 · at $22.79 · 35.4% of stake Rhodes Jason P Director Sold on a plan $6.91M 7 Jul 2026 · at $23.26 · 99.0% of stake Kersten Dirk Director Sold on a plan $6.67M 27 Jul 2026 · at $25.51 · 6.8% of stake Friedl-Naderer Johanna Chief Commercial Officer Sold on a plan $5.94K 13 Aug 2026 · at $26.28 · 0.1% of stake Kerr Douglas Chief Medical Officer Sold on a plan $40.89K 13 Aug 2026 · at $26.28 · 0.9% of stake Lucera Erick Chief Financial Officer Sold on a plan $47.23K 13 Aug 2026 · at $26.28 · 1.5% of stake Cox John CEO & President Sold on a plan $131.03K 13 Aug 2026 · at $26.28 · 1.4% of stake Rhodes Jason P Director Sold on a plan $11.17M 13 Aug 2026 · at $26.20 · 36.2% of stake Rhodes Jason P Director Sold on a plan $54.01M 14 Aug 2026 · at $25.00 · 83.4% of stake Friedl-Naderer Johanna Chief Commercial Officer Sold on a plan $21.92K 4 Sep 2026 · at $24.35 · 0.6% of stake Kerr Douglas Chief Medical Officer Sold on a plan $91.19K 4 Sep 2026 · at $24.35 · 2.2% of stake Friedl-Naderer Johanna Chief Commercial Officer Sold on a plan $3.49K 8 Sep 2026 · at $18.88 · 0.1% of stake Kerr Douglas Chief Medical Officer Sold on a plan $24.36K 8 Sep 2026 · at $18.88 · 0.8% of stake Cox John CEO & President Sold on a plan $106.82K 8 Sep 2026 · at $18.88 · 1.6% of stake Posner Brian S Director Bought $40.00K 2 Oct 2026 · at $16.00 · 10.2% of stake
8 buys1 sale at will56 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Net income
$446.21M
Free cash flow
$405.13M
Return on equity
-45.9%
Return on capital
-33.0%
Debt to equity
0.15

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
0K -59M FY20 Fiscal year 2020 Revenue $0.00 Net income $59.44M Margin n/a 0K -149M FY21 Fiscal year 2021 Revenue $0.00 Net income $149.29M Margin n/a 0K -168M FY22 Fiscal year 2022 Revenue $0.00 Net income $168.10M Margin n/a 0K -236M FY23 Fiscal year 2023 Revenue $0.00 Net income $235.94M Margin n/a 0K -317M FY24 Fiscal year 2024 Revenue $0.00 Net income $317.42M Margin n/a 0K -446M FY25 Fiscal year 2025 Revenue $0.00 Net income $446.21M Margin n/a
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
2 Oct 2026 Posner Brian S
Director
Bought $40.00K 10.2%
8 Sep 2026 Cox John
CEO & President
Sold on a plan $106.82K 1.6%
8 Sep 2026 Kerr Douglas
Chief Medical Officer
Sold on a plan $24.36K 0.8%
8 Sep 2026 Friedl-Naderer Johanna
Chief Commercial Officer
Sold on a plan $3.49K 0.1%
4 Sep 2026 Kerr Douglas
Chief Medical Officer
Sold on a plan $91.19K 2.2%
4 Sep 2026 Friedl-Naderer Johanna
Chief Commercial Officer
Sold on a plan $21.92K 0.6%