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| Keyboard |
| Dyne Therapeutics Inc | |
|---|---|
| Ticker | DYN |
| CIK # | 0001818794 |
| CUSIP | 26818M108 |
| Sector | Life Sciences - Pharmaceutical Preparations |
| Address | 830 Winter Street, Waltham, MA 02451 |
| Source | [EDGAR] |
| Reg D Offering (Form D) | Filed | Raised | Terms |
|---|---|---|---|
| Dyne Therapeutics Inc | 2020-08-14 | 115.7 M | Exemption: 506(b) · Duration: One year or less · Revenue: Decline to Disclose |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0001818794] | 10-K | |
| [0001818794] | 10-Q | |
| [0001818794] | 3 | |
| [0001818794] | 4 | |
| [0001818794] | 8-K | |
| [0001818794] | D | |
| [0001818794] | SC 13D | |
| [0001818794] | SC 13G |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Kersten Dirk
Common Stock
|
2026-03-11 | Sell | 129,672 | $19.52 | 2,531,197 |
|
Posner Brian S
Common Stock
|
2026-03-11 | Buy | 2,000 | $19.35 | 38,700 |
|
Kersten Dirk
Common Stock
|
2026-03-10 | Sell | 281,858 | $19.80 | 5,580,788 |
|
Kersten Dirk
Common Stock
|
2026-03-10 | Sell | 219,758 | $19.33 | 4,247,922 |
|
Kersten Dirk
Common Stock
|
2026-03-10 | Sell | 9,482 | $18.21 | 172,667 |
|
Kersten Dirk
Common Stock
|
2026-03-09 | Sell | 177,690 | $17.72 | 3,148,667 |
|
Posner Brian S
Common Stock
|
2026-03-06 | Buy | 3,000 | $15.06 | 45,180 |
|
Friedl-Naderer Johanna
Common Stock
|
2026-03-05 | Sell | 148 | $14.90 | 2,205 |
|
Kerr Douglas
Common Stock
|
2026-03-05 | Sell | 904 | $14.90 | 13,470 |
|
Cox John
Common Stock
|
2026-03-05 | Sell | 2,732 | $14.90 | 40,707 |
|
Lucera Erick
Common Stock
|
2026-02-12 | Grant | 65,000 | $0.00 | |
|
Friedl-Naderer Johanna
Stock option (right to buy) · derivative
|
2026-02-12 | Grant | 90,000 | $0.00 | |
|
Kerr Douglas
Common Stock
|
2026-02-12 | Grant | 85,000 | $0.00 | |
|
Cox John
Stock option (right to buy) · derivative
|
2026-02-12 | Grant | 285,000 | $0.00 | |
|
Kerr Douglas
Stock option (right to buy) · derivative
|
2026-02-12 | Grant | 130,000 | $0.00 | |
|
Friedl-Naderer Johanna
Common Stock
|
2026-02-12 | Grant | 60,000 | $0.00 | |
|
Cox John
Common Stock
|
2026-02-12 | Grant | 180,000 | $0.00 | |
|
Lucera Erick
Stock Option (Right to Buy) · derivative
|
2026-02-12 | Grant | 105,000 | $0.00 | |
|
Karnani Vikram
Stock option (right to buy) · derivative
|
2025-12-22 | Grant | 59,665 | $0.00 | |
|
Kerr Douglas
Common Stock
|
2025-12-05 | Sell | 880 | $20.72 | 18,234 |
| showing 20 of 200 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 228 | 155,250,685 |
| 2025-12-31 | 233 | 158,213,291 |
| 2025-09-30 | 208 | 155,004,286 |
| 2025-06-30 | 198 | 124,402,123 |
| 2025-03-31 | 207 | 118,642,124 |
| 2024-12-31 | 203 | 109,770,859 |
| 2024-09-30 | 204 | 110,341,484 |
| 2024-06-30 | 195 | 109,708,414 |
| 2024-03-31 | 172 | 96,532,813 |
| 2023-12-31 | 126 | 74,621,338 |
| 2023-09-30 | 117 | 59,764,315 |
| 2023-06-30 | 119 | 58,970,848 |
| Form 13F Holdings | ||||
|---|---|---|---|---|
| Firm | Period | DFND | Voting | Shares |
| Wasatch Advisors LP | [2026-06-30] | SOLE | 443,668 | 443,668 |
| Y-Intercept Hong Kong Ltd | [2026-06-30] | SOLE | 156,203 | 156,203 |
| PSP Research LLC | [2026-06-30] | SOLE | 0 | 20,000 |
| IFP Advisors LLC | [2026-06-30] | SOLE | 3,756 | 3,756 |
| Gamma Investing LLC | [2026-06-30] | DFND | 1,153 | 1,153 |
| Versant Capital Management Inc | [2026-06-30] | SOLE | 859 | 859 |
| First Horizon Corp | [2026-06-30] | DFND | 77 | 261 |
| MassMutual Private Wealth & Trust FSB | [2026-06-30] | SOLE | 243 | 243 |
| Aspect Partners LLC | [2026-06-30] | SOLE | 233 | 233 |
| Fortitude Family Office LLC | [2026-06-30] | SOLE | 184 | 184 |
| First Horizon Corp | [2026-06-30] | OTR | 0 | 99 |
| Ares Financial Consulting LLC | [2026-06-30] | SOLE | 84 | 84 |
| Handelsbanken Fonder AB | [2026-06-30] | SOLE | 0 | 53 |
| Farther Finance Advisors LLC | [2026-06-30] | SOLE | 0 | 20 |
| True Wealth Design LLC | [2026-06-30] | SOLE | 0 | 13 |
| Hughes Financial Services LLC | [2026-06-30] | SOLE | 3 | 3 |
| LRI Investments LLC | [2026-06-30] | SOLE | 1 | 1 | Prev | Page 1 | Next |