DYN Insider Trading
Dyne Therapeutics, Inc. | Pharmaceutical Preparations
Comprehensive Trading Performance Summary
The investment history of corporate insiders at Dyne Therapeutics, Inc. provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Pharmaceutical Preparations sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2023-01-23 16:27 | 2023-01-18 | McNeill Jonathan | Officer - See Remarks | OPT+S | $14.03 | 10,000 | $140,300 | 67,600 | 0.0% |
| 2023-01-12 00:56 | 2023-01-09 | McNeill Jonathan | Officer - See Remarks | SELL | $11.57 | 30,150 | $348,836 | 67,600 | -30.8% |
| 2022-12-15 00:55 | 2022-12-12 | Atlas Venture Opportunity Fund II, L.P. | 10% owner | BUY | $10.70 | 934,581 | $10,000,017 | 934,581 | +100.0% |
| 2022-12-15 00:56 | 2022-12-12 | Rhodes Jason P | Director | BUY | $10.70 | 934,581 | $10,000,017 | 934,581 | +100.0% |
| 2022-12-14 01:05 | 2022-12-12 | McNeill Jonathan | Officer - See Remarks | SELL | $10.87 | 472 | $5,131 | 97,750 | -0.5% |
| 2022-12-14 01:04 | 2022-12-12 | Farwell Wildon | Officer - Chief Medical Officer | SELL | $10.87 | 628 | $6,826 | 100,096 | -0.6% |
| 2022-12-14 01:03 | 2022-12-12 | Beskrovnaya Oxana | Officer - Chief Scientific Officer | SELL | $10.87 | 680 | $7,392 | 90,145 | -0.7% |
| 2022-12-14 01:06 | 2022-12-12 | Scalzo Richard William | Officer - See Remarks | SELL | $10.87 | 312 | $3,391 | 56,183 | -0.6% |
| 2022-12-14 01:05 | 2022-12-12 | HIGH SUSANNA GATTI | Officer - Chief Operating Officer | SELL | $10.87 | 751 | $8,163 | 112,035 | -0.7% |
| 2022-12-14 01:04 | 2022-12-12 | Brumm Joshua T | Director, Officer - See Remarks | SELL | $10.87 | 3,322 | $36,110 | 329,801 | -1.0% |
| 2022-10-11 16:00 | 2022-10-07 | Brumm Joshua T | Director, Officer - See Remarks | OPT+S | $12.52 | 210,000 | $2,629,515 | 204,623 | 0.0% |
| 2022-03-15 00:09 | 2022-03-11 | McNeill Jonathan | Officer - See Remarks | SELL | $8.73 | 481 | $4,199 | 60,466 | -0.8% |
| 2022-03-15 00:08 | 2022-03-11 | Farwell Wildon | Officer - Chief Medical Officer | SELL | $8.73 | 640 | $5,587 | 66,050 | -1.0% |
| 2022-03-15 00:06 | 2022-03-11 | Beskrovnaya Oxana | Officer - Chief Scientific Officer | SELL | $8.73 | 693 | $6,050 | 53,676 | -1.3% |
| 2022-03-15 00:09 | 2022-03-11 | Scalzo Richard William | Officer - See Remarks | SELL | $8.73 | 308 | $2,689 | 26,994 | -1.1% |
| 2022-03-15 00:08 | 2022-03-11 | HIGH SUSANNA GATTI | Officer - Chief Operating Officer | SELL | $8.73 | 765 | $6,678 | 73,003 | -1.0% |
| 2022-03-15 00:07 | 2022-03-11 | Brumm Joshua T | Director, Officer - See Remarks | SELL | $8.73 | 3,384 | $29,542 | 210,324 | -1.6% |
| 2022-03-04 03:22 | 2022-03-02 | Farwell Wildon | Officer - Chief Medical Officer | SELL | $8.56 | 5,617 | $48,082 | 66,690 | -7.8% |
| 2021-09-24 17:50 | 2021-09-23 | HIGH SUSANNA GATTI | Officer - Chief Operating Officer | SELL | $17.22 | 2,451 | $42,206 | 33,453 | -6.8% |
| 2021-09-23 03:02 | 2021-09-20 | McNeill Jonathan | Officer - See Remarks | SELL | $15.90 | 1,274 | $20,252 | 35,636 | -3.5% |
| 2021-09-23 03:01 | 2021-09-20 | Beskrovnaya Oxana | Officer - Chief Scientific Officer | SELL | $15.90 | 1,444 | $22,954 | 17,845 | -7.5% |
| 2021-09-23 03:03 | 2021-09-20 | Scalzo Richard William | Officer - See Remarks | SELL | $15.90 | 859 | $13,655 | 10,606 | -7.5% |
| 2021-09-23 03:02 | 2021-09-20 | Brumm Joshua T | Director, Officer - See Remarks | SELL | $15.90 | 8,009 | $127,313 | 99,018 | -7.5% |
| 2020-09-24 02:09 | 2020-09-21 | Logos Global Management LP | 10% owner | BUY | $19.00 | 700,000 | $13,300,000 | 1,504,392 | +87.0% |
| 2020-09-24 02:11 | 2020-09-21 | VV Manager II, LLC | 10% owner | BUY | $19.00 | 815,000 | $15,485,000 | 79,921 | +100.0% |
| 2020-09-24 01:55 | 2020-09-21 | RA CAPITAL MANAGEMENT, L.P. | 10% owner | BUY | $19.00 | 660,000 | $12,540,000 | 2,805,045 | +30.8% |
| 2018-01-11 16:30 | 2018-01-09 | ECP ControlCo, LLC | 10% owner | SELL | $11.79 | 5,250,000 | $61,897,500 | 14,291,152 | -26.9% |
| 2017-03-24 23:34 | 2017-03-24 | FLEXON ROBERT C | Director, Officer - President and CEO | BUY | $7.16 | 15,000 | $107,400 | 720,506 | +2.1% |
| 2017-03-10 01:26 | 2017-03-09 | FLEXON ROBERT C | Director, Officer - President and CEO | BUY | $7.62 | 25,000 | $190,500 | 705,506 | +3.7% |
| 2016-11-07 14:27 | 2016-11-04 | FLEXON ROBERT C | Director, Officer - President and CEO | BUY | $8.21 | 12,500 | $102,679 | 429,462 | +3.0% |
| 2016-03-02 02:53 | 2016-03-01 | FLEXON ROBERT C | Director, Officer - President and CEO | BUY | $10.08 | 10,000 | $100,800 | 436,763 | +2.3% |
| 2015-12-11 01:16 | 2015-12-08 | Wood Patrick III | Director | BUY | $11.61 | 6,400 | $74,304 | 45,023 | +16.6% |
| 2015-11-17 01:34 | 2015-11-13 | FLEXON ROBERT C | Director, Officer - President and CEO | BUY | $16.70 | 10,000 | $167,000 | 426,763 | +2.4% |
| 2015-11-12 17:39 | 2015-11-10 | Thompson Daniel P. | Officer - EVP | BUY | $17.55 | 1,000 | $17,550 | 19,583 | +5.4% |
| 2015-08-25 00:32 | 2015-08-20 | Petrone Sheree M. | Officer - Executive Vice President | BUY | $25.78 | 3,000 | $77,340 | 16,790 | +21.8% |
| 2015-08-25 00:31 | 2015-08-21 | Stein Jeffrey Scott | Director | BUY | $24.71 | 1,000 | $24,710 | 15,489 | +6.9% |
| 2015-08-21 23:47 | 2015-08-21 | Daley Martin W. | Officer - Executive Vice President | BUY | $24.71 | 2,000 | $49,420 | 20,102 | +11.0% |
| 2015-08-21 23:46 | 2015-08-20 | Ackermann Hilary E. | Director | BUY | $26.17 | 1,000 | $26,170 | 1,000 | +100.0% |
| 2015-08-18 23:54 | 2015-08-18 | Jones Henry D. | Officer - EVP & Chief Commercial Officer | BUY | $25.90 | 3,000 | $77,700 | 64,005 | +4.9% |
| 2015-08-18 23:55 | 2015-08-18 | Burke Carolyn Jeanne | Officer - EVP | BUY | $25.66 | 3,000 | $76,980 | 62,647 | +5.0% |
| 2015-08-18 00:09 | 2015-08-17 | Cox Julius | Officer - EVP - CAO | BUY | $25.42 | 980 | $24,911 | 18,348 | +5.6% |
| 2015-08-14 23:39 | 2015-08-14 | Alonso Mario E | Officer - EVP-Strategic Planning & Dev | BUY | $25.00 | 2,000 | $50,000 | 38,971 | +5.4% |
| 2015-08-14 00:14 | 2015-08-13 | Callaway Catherine B. | Officer - Exec VP and General Counsel | BUY | $24.38 | 2,500 | $60,950 | 63,042 | +4.1% |
| 2015-08-14 00:13 | 2015-08-13 | Freeland Clint | Officer - Exec. VP and CFO | BUY | $24.50 | 2,000 | $49,000 | 71,894 | +2.9% |
| 2015-08-14 00:06 | 2015-08-12 | Wood Patrick III | Director | BUY | $22.97 | 3,500 | $80,395 | 38,623 | +10.0% |
| 2015-08-14 00:03 | 2015-08-11 | SULT JOHN R | Director | BUY | $23.61 | 10,550 | $249,086 | 25,039 | +72.8% |
| 2015-08-14 00:11 | 2015-08-12 | FLEXON ROBERT C | Director, Officer - President and CEO | BUY | $22.91 | 8,000 | $183,280 | 429,871 | +1.9% |
| 2015-06-03 20:08 | 2015-06-02 | FRANKLIN RESOURCES INC | 10% owner | SELL | $32.28 | 250,000 | $8,070,000 | 8,927,023 | -2.7% |
| 2015-06-02 20:49 | 2015-06-01 | FRANKLIN RESOURCES INC | 10% owner | SELL | $32.45 | 50,000 | $1,622,500 | 9,177,023 | -0.5% |
| 2015-05-29 00:12 | 2015-05-27 | FRANKLIN RESOURCES INC | 10% owner | SELL | $32.50 | 1,284,500 | $41,745,736 | 9,227,023 | -12.2% |
How to Interpret $DYN Trades
Not every insider transaction in Dyne Therapeutics, Inc. is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $DYN shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for DYN
Insider activity data for Dyne Therapeutics, Inc. is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $DYN, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.