Insider · CIK 0001759241
Atlas Venture Opportunity Fund I, L.P.
Files at DYN (Dyne Therapeutics, Inc.). First filing Mar 5, 2024, latest Mar 5, 2024.
In brief
Atlas Venture Opportunity Fund I, L.P. files SEC Form 4 as 10% owner at DYN (Dyne Therapeutics, Inc.). Since Mar 5, 2024, Atlas Venture Opportunity Fund I, L.P. has reported 0 open-market buys worth $0 and 1 open-market sell worth $1.4M, the latest filed on Mar 5, 2024.
A track record needs three past buys with six months of prices behind them; Atlas Venture Opportunity Fund I, L.P. has 0, so none is measured yet.
The newest scored trade: sold $1.4M of DYN on Mar 1, 2024, filed Mar 5, 2024, scored 32 (weak), under a 10b5-1 plan.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
DYN: Dyne Therapeutics, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 32Weak | Dyne Therapeutics, Inc. | $1.4M 46,534 shares | -3% | +340% from low0% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Sep 4, 2026 | IRON Disc Medicine, Inc. | 912 0.00% of outstanding | $72k | Sep 4, 2026 | none |
| Sep 3, 2026 | IRON Disc Medicine, Inc. | 2,810 0.01% of outstanding | $225k | Sep 3, 2026 | none |
| Sep 2, 2026 | IRON Disc Medicine, Inc. | 26,552 0.07% of outstanding | $2.1M | Sep 2, 2026 | none |
| Aug 14, 2026 | DYN Dyne Therapeutics, Inc. | 322,465 0.17% of outstanding | $8.4M | Aug 14, 2026 | none |
| Aug 13, 2026 | DYN Dyne Therapeutics, Inc. | 63,643 0.03% of outstanding | $1.7M | Aug 13, 2026 | none |
| Jul 7, 2026 | DYN Dyne Therapeutics, Inc. | 60,858 0.04% of outstanding | $1.4M | Jul 7, 2026 | none |
| Jul 6, 2026 | DYN Dyne Therapeutics, Inc. | 100,019 0.06% of outstanding | $2.3M | Jul 6, 2026 | none |
| Jun 29, 2026 | DYN Dyne Therapeutics, Inc. | 40,702 0.02% of outstanding | $852k | Jun 29, 2026 | none |
| Jun 29, 2026 | KYMR KYMERA THERAPEUTICS, INC. | 10,473 0.01% of outstanding | $1.1M | Jun 29, 2026 | $180M |
| Jun 26, 2026 | KYMR KYMERA THERAPEUTICS, INC. | 57,451 0.07% of outstanding | $6.7M | Jun 26, 2026 | $129M |
| Jun 26, 2026 | DYN Dyne Therapeutics, Inc. | 64,411 0.04% of outstanding | $1.3M | Jun 26, 2026 | none |
| Jun 25, 2026 | KYMR KYMERA THERAPEUTICS, INC. | 67,329 0.08% of outstanding | $6.7M | Jun 25, 2026 | $64M |
| Jun 25, 2026 | DYN Dyne Therapeutics, Inc. | 5,019 0.00% of outstanding | $102k | Jun 25, 2026 | none |
| Jun 24, 2026 | KYMR KYMERA THERAPEUTICS, INC. | 16,542 0.02% of outstanding | $1.6M | Jun 24, 2026 | $50M |
| Jun 24, 2026 | DYN Dyne Therapeutics, Inc. | 19,973 0.01% of outstanding | $405k | Jun 24, 2026 | none |
| Jun 23, 2026 | KYMR KYMERA THERAPEUTICS, INC. | 173 0.00% of outstanding | $17k | Jun 23, 2026 | $50M |
| Jun 23, 2026 | DYN Dyne Therapeutics, Inc. | 30,774 0.02% of outstanding | $642k | Jun 23, 2026 | none |
| Jun 22, 2026 | KYMR KYMERA THERAPEUTICS, INC. | 34,152 0.04% of outstanding | $3.1M | Jun 22, 2026 | $22M |
| Jun 18, 2026 | KYMR KYMERA THERAPEUTICS, INC. | 14,128 0.02% of outstanding | $1.3M | Jun 18, 2026 | $12M |
| Jun 17, 2026 | KYMR KYMERA THERAPEUTICS, INC. | 12,902 0.02% of outstanding | $1.1M | Jun 17, 2026 | $1.4M |
| May 6, 2026 | DYN Dyne Therapeutics, Inc. | 17,244 0.01% of outstanding | $301k | May 6, 2026 | none |
| May 5, 2026 | DYN Dyne Therapeutics, Inc. | 2,403 0.00% of outstanding | $43k | May 5, 2026 | none |
| May 4, 2026 | DYN Dyne Therapeutics, Inc. | 2,466 0.00% of outstanding | $43k | May 4, 2026 | none |
| Apr 28, 2026 | DYN Dyne Therapeutics, Inc. | 47,103 0.03% of outstanding | $850k | Apr 28, 2026 | none |
| Apr 27, 2026 | DYN Dyne Therapeutics, Inc. | 35,947 0.02% of outstanding | $656k | Apr 27, 2026 | none |
Transactions
Every row this insider has filed, 2 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Mar 1, 2024 | DYN Dyne Therapeutics, Inc. | SOpen-market sale Common Stock10b5-1 | -29,435 | $30.05 | $885k | 1,458,691 | Mar 5, 2024 |
| Mar 1, 2024 | DYN Dyne Therapeutics, Inc. | SOpen-market sale Common Stockindirect: See footnote10b5-1 | -17,099 | $30.05 | $514k | 847,388 | Mar 5, 2024 |
Questions about Atlas Venture Opportunity Fund I, L.P.
Answered from the filings on this page, as of the latest one.
Is Atlas Venture Opportunity Fund I, L.P. buying or selling?
Not in the last 12 months. Atlas Venture Opportunity Fund I, L.P.'s latest open-market trade on SEC Form 4 was sold $1.4M of DYN on Mar 1, 2024.
How did Atlas Venture Opportunity Fund I, L.P.'s past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Atlas Venture Opportunity Fund I, L.P. has 0.
Where does Atlas Venture Opportunity Fund I, L.P. file Form 4?
Atlas Venture Opportunity Fund I, L.P. has filed Form 4 at DYN (Dyne Therapeutics, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.