DYN Dyne Therapeutics, Inc.
NEUTRAL
Impact: 2/10
144
Form 144 — notice of proposed sale of securities
Latest settled — T+20d ⚠ clustered
DYN ▲ +2.57% at T+20d
NEUTRAL call ✓ call won +2.57% · α vs SPY -0.57% · entry $17.54 → $17.99
Currently $18.19 · +3.71% from $17.54 entry
T+1d
+0.40%
call +0.40% · α -0.43%
$17.61
settled 5w ago
T+5d
+5.13%
call +5.13% · α +3.63%
$18.44
settled 4w ago
T+20d
+2.57%
call +2.57% · α -0.57%
$17.99
settled 9d ago
T+60d
—
call — · α —
—
in 7w
Price Chart
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Executive Summary
Atlas Venture Fund XI, L.P. filed a Form 144 indicating intent to sell 43,621 shares of Dyne Therapeutics (DYN) valued at approximately $762,058. This represents a very small portion of the fund's likely holdings and is not material relative to DYN's $2.9B market cap.
Actionable Insight
This is a routine small sale by a major shareholder; not indicative of fundamental change. Monitor for larger insider sales or any material corporate events.
Key Facts
- Atlas Venture Fund XI, L.P. filed Form 144 to sell 43,621 shares of DYN
- Estimated market value of the sale is $762,058.87
- Filing date: May 6, 2026
- Seller is a venture capital fund and major early investor in DYN
Financial Impact
Sale of 43,621 shares valued at ~$762k, representing ~0.03% of DYN's market cap
dilution
Risk Factors
- Recent pattern of insider selling (9 sells totaling $8.6M over 30 days) may indicate broader distribution
Market Snapshot
Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
85% bullish (20 analysts)
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001628280-26-031384 |
| Document: 0001628280-26-031384-index.html | 0001628280-26-031384 |
| Document: 0001628280-26-031384.txt | 0001628280-26-031384 |
28 reports for DYN
89%
Hit rate
best @ T+20▲ +13.90%
Filters
Rows
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 12, 2026
1d ago
|
Institutional Cluster
| $17.96 awaiting T+1 | awaiting T+1 | — | $18.19 (+1.28%) |
|
Jun 3, 2026
10d ago
|
8-K
| $17.99 $18.41 | ▲ +2.33% | ▲ +1.94% | $18.19 (+1.11%) |
|
Jun 3, 2026
10d ago
|
Press Release
| $17.99 $18.41 | ▲ +2.33% | ▲ +1.94% | $18.19 (+1.11%) |
|
May 20, 2026
23d ago
|
Press Release
| $17.37 $17.37 | · 0.00% | ▼ −0.45% | $18.19 (+4.72%) |
|
May 20, 2026
24d ago
|
Press Release
| $17.56 $17.37 | ▼ −1.08% | ▼ −1.28% | $18.19 (+3.59%) |
|
May 13, 2026
4w ago
|
144
| $18.28 $17.29 | ▼ −5.42% | ▼ −4.19% | $18.19 (−0.49%) |
|
May 13, 2026
4w ago
|
144
| $18.28 $17.29 | ▼ −5.42% | ▼ −4.19% | $18.19 (−0.49%) |
|
May 11, 2026
4w ago
|
8-K
| $18.46 $18.37 | ▼ −0.49% | ▼ −0.35% | $18.19 (−1.46%) |
|
May 6, 2026
5w ago
|
144
| $17.54 $17.61 | ▲ +0.40% | ▼ −0.43% | $18.19 (+3.71%) |
|
May 6, 2026
5w ago
|
144
| $17.54 $17.61 | ▲ +0.40% | ▼ −0.43% | $18.19 (+3.71%) |
Showing 10 of 28
US Market Status
Market Closed — Opens Mon (49h 14m)
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