RAPP Rapport Therapeutics, Inc.
Price Chart
Executive Summary
Third Rock Ventures V, L.P., a 10% stockholder, filed a Form 144 indicating intent to sell 271,495 shares of Rapport Therapeutics common stock, valued at approximately $10.9 million. This follows a prior sizable sale of 426,005 shares (~$17.2M) on April 17, 2026, signaling ongoing distribution by a major venture capital backer.
Actionable Insight
Third Rock Ventures continues to distribute shares, likely for fund-level liquidity. The stock may face modest selling pressure near the proposed sale price. Watch for additional Form 144 or Form 4 filings to gauge the pace of distribution.
Key Facts
- Third Rock Ventures V, L.P. proposes to sell 271,495 shares.
- Estimated aggregate market value of proposed sale: $10,892,705.19.
- Shares acquired on 02/21/2023 via original issuance from the issuer.
- Prior sale of 426,005 shares (~$17.2M) on 04/17/2026 by the same entity.
- Recent insider activity (30d): 6 sells totaling $18.7M (prior to this filing).
Financial Impact
Proposed sale of ~$10.9M (0.6% of $1.8B market cap) adds to recent insider selling of $18.7M over the past 30 days.
Risk Factors
- Continued insider selling could pressure share price.
- VC distributions often persist over multiple weeks/months.
Market Snapshot
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001974078-26-000168 |
| Document: 0001974078-26-000168-index.html | 0001974078-26-000168 |
| Document: 0001974078-26-000168.txt | 0001974078-26-000168 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
May 11, 2026
9d ago
|
144
| $37.24 $35.18 | ▲ +5.53% | ▲ +5.61% | $35.72 (+4.08%) |
|
May 8, 2026
12d ago
|
144
| $38.43 $35.18 | ▼ −8.46% | ▼ −8.37% | $35.72 (−7.05%) |
|
May 7, 2026
13d ago
|
144
| $38.04 $37.95 | ▼ −0.24% | ▼ −1.70% | $35.72 (−6.10%) |
|
May 7, 2026
13d ago
|
8-K
| $39.93 $38.08 | ▼ −4.63% | ▼ −6.14% | $35.72 (−10.54%) |
|
Apr 23, 2026
27d ago
|
DEFA14A
| $36.36 $33.00 | ▼ −9.24% | ▼ −10.72% | $35.72 (−1.76%) |
|
Apr 21, 2026
29d ago
|
Press Release
| $36.78 $33.30 | ▼ −9.48% | ▼ −9.53% | $35.72 (−2.88%) |
|
Apr 1, 2026
7w ago
|
Press Release
| $31.67 $34.22 | ▲ +8.05% | ▲ +4.29% | $35.72 (+12.79%) |
|
Mar 30, 2026
7w ago
|
144
| $31.29 $33.69 | ▲ +7.67% | ▲ +3.73% | $35.72 (+14.16%) |
|
Mar 10, 2026
10w ago
|
Press Release
| $29.63 $27.73 | ▼ −6.41% | ▼ −5.51% | $35.72 (+20.55%) |
US Market Status
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