Rapport Therapeutics, Inc. Common Stock (RAPP) Insider Trading
Over the last 3 months, RAPP insiders made 0 open-market buys and 14 sales, a net sale of -$36.6M (SEC Form 4). Over the last 6 months, 111 institutions increased and 65 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
14
Net (3m)
-$36.6M
Insider trades by month Buys Sells
Dec
Jan
Feb
Mar
Apr
May
Context3-month price +26.1%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 28, 2026 | Third Rock Ventures V, L.P.10 percent owner | Sell | 18,572 | $40.05 |
| May 13, 2026 | Third Rock Ventures V, L.P.10 percent owner | Sell | 133,618 | $40.24 |
| May 11, 2026 | Third Rock Ventures V, L.P.10 percent owner | Sell | 271,495 | $40.12 |
| May 11, 2026 | Third Rock Ventures V, L.P.10 percent owner | Sell | 5,018 | $40.31 |
| Apr 21, 2026 | Third Rock Ventures V, L.P.10 percent owner | Sell | 426,005 | $40.32 |
| Apr 21, 2026 | Yeleswaram Krishnaswamyofficer: Chief Development Officer | Sell | 20,225 | $39.99 |
| Apr 14, 2026 | Yeleswaram Krishnaswamyofficer: Chief Development Officer | Sell | 10,200 | $35.08 |
| Apr 14, 2026 | Yeleswaram Krishnaswamyofficer: Chief Development Officer | Sell | 500 | $34.98 |
| Apr 14, 2026 | Yeleswaram Krishnaswamyofficer: Chief Development Officer | Sell | 9,165 | $34.97 |
| Apr 9, 2026 | Yeleswaram Krishnaswamyofficer: Chief Development Officer | Sell | 360 | $34.90 |
| Mar 31, 2026 | Gault Cherylofficer: Chief Operating Officer | Sell | 7,161 | $28.04 |
| Mar 31, 2026 | Gault Cherylofficer: Chief Operating Officer | Sell | 2,839 | $28.55 |
| Mar 26, 2026 | Yeleswaram Krishnaswamyofficer: Chief Development Officer | Sell | 10,115 | $29.99 |
| Mar 9, 2026 | Gault Cherylofficer: Chief Operating Officer | Sell | 2,014 | $28.93 |
| Feb 19, 2026 | Ceesay Abrahamdirector, officer: Chief Executive Officer | Sell | 2,983 | $29.04 |
| Feb 19, 2026 | Ceesay Abrahamdirector, officer: Chief Executive Officer | Sell | 3,552 | $29.05 |
| Feb 19, 2026 | Bredt Davidofficer: Chief Scientific Officer | Option | 6,000 | $1.80 |
| Feb 19, 2026 | Bredt Davidofficer: Chief Scientific Officer | Sell | 2,200 | $29.59 |
| Feb 19, 2026 | Bredt Davidofficer: Chief Scientific Officer | Sell | 5,400 | $28.95 |
| Feb 19, 2026 | Bredt Davidofficer: Chief Scientific Officer | Sell | 900 | $28.02 |
| Feb 19, 2026 | Ceesay Abrahamdirector, officer: Chief Executive Officer | Sell | 2,100 | $29.80 |
| Feb 19, 2026 | Ceesay Abrahamdirector, officer: Chief Executive Officer | Sell | 2,281 | $29.80 |
| Feb 4, 2026 | Gault Cherylofficer: Chief Operating Officer | Grant | 132,000 | $27.75 |
| Feb 4, 2026 | Yeleswaram Krishnaswamyofficer: Chief Development Officer | Grant | 120,000 | $27.75 |
| Feb 4, 2026 | Ignelzi Troy A.officer: Chief Financial Officer | Grant | 148,000 | $27.75 |
| Feb 4, 2026 | Ceesay Abrahamdirector, officer: Chief Executive Officer | Grant | 428,000 | $27.75 |
| Feb 4, 2026 | Sevigny Jeffreyofficer: Chief Medical Officer | Grant | 130,000 | $27.75 |
| Feb 4, 2026 | Bredt Davidofficer: Chief Scientific Officer | Grant | 103,000 | $27.75 |
| Jan 22, 2026 | Ceesay Abrahamdirector, officer: Chief Executive Officer | Sell | 5,833 | $26.12 |
| Jan 22, 2026 | Ceesay Abrahamdirector, officer: Chief Executive Officer | Sell | 5,083 | $26.11 |
Source: RAPP SEC Form 4 filings, latest May 28, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their RAPP positions over the last 6 months (SEC Form 13F).
Increased
111
New positions
64
Reduced
65
Sold out
43
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Increased | 7.2M | May 15, 2026 |
| TRV GP V, LLC | Unchanged | 7.1M | Feb 13, 2026 |
| TRV GP V, LLC | Unchanged | 7.1M | May 7, 2026 |
| FMR LLC | Increased | 7.1M | Feb 17, 2026 |
| ARCH VENTURE MANAGEMENT, LLC | Unchanged | 3.7M | Feb 17, 2026 |
| ARCH VENTURE MANAGEMENT, LLC | Unchanged | 3.7M | May 15, 2026 |
| CAPITAL INTERNATIONAL INVESTORS | Unchanged | 3.4M | Feb 11, 2026 |
| CAPITAL INTERNATIONAL INVESTORS | Reduced | 3.1M | May 13, 2026 |
| CORMORANT ASSET MANAGEMENT, LP | Reduced | 3.0M | Feb 17, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 3.0M | Mar 25, 2026 |
| CORMORANT ASSET MANAGEMENT, LP | Reduced | 3.0M | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | Reduced | 2.9M | May 15, 2026 |
| BLACKROCK, INC. | Increased | 2.5M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 2.4M | Feb 12, 2026 |
| SOFINNOVA INVESTMENTS, INC. | Reduced | 1.9M | Feb 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.