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Rapport Therapeutics, Inc.

RAPP
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0002012593

In the last 90 days, Rapport Therapeutics, Inc. insiders filed 0 open-market purchases and 10 sales; 160 institutions reported holding it in 13F filings for Q2 2026, worth $2.13B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Rapport Therapeutics, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
10 filings
3 insiders, $7.55M in total
Insiders trading
3
Net value
−$7.55M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Rapport Therapeutics, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Rapport Therapeutics, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Ceesay AbrahamChief Executive Officer456,767Sep 24, 202613
Yeleswaram KrishnaswamyChief Development Officer195,862Aug 26, 20268
Gault CherylChief Operating Officer149,914Jul 1, 20265
Maraganore JohnDirector–Jun 10, 20261
Paul Steven MDirector41,666IndirectJun 10, 20261
Healy JamesDirector40,851IndirectJun 10, 20261
Perez Robert JDirector–Jun 10, 20261
Silva Paul MDirector–Jun 10, 20261
Huber Reid MDirector20,400Jun 10, 20261
Sanchez RamiroDirector–Jun 10, 20261
Young Wendy B.Director9,500Jun 10, 20261
Third Rock Ventures V, L.P.10% Owner6,280,525May 28, 20264
Third Rock Ventures VI, L.P.10% Owner6,280,525May 28, 20264
Third Rock Ventures GP V, LP10% Owner6,280,525May 28, 20264
Third Rock Ventures GP VI, L.P.10% Owner6,280,525May 28, 20264
TRV GP VI, LLC10% Owner6,280,525May 28, 20264
TRV GP V, LLC10% Owner6,280,525May 28, 20264
Bredt DavidChief Scientific Officer393,075Feb 19, 20267
Ignelzi Troy A.Chief Financial Officer10,000Feb 4, 20261
Sevigny JeffreyChief Medical Officer–Feb 4, 20261
Crandell Keith10% Owner3,728,738IndirectJun 10, 20240
Nelsen Robert10% Owner3,728,738IndirectJun 10, 20240
Gillis Steven10% Owner3,728,738IndirectJun 10, 20240
Burow Kristina10% Owner3,728,738IndirectJun 10, 20240
ARCH Venture Fund XII, L.P.10% Owner3,728,738IndirectJun 10, 20240
ARCH Venture Partners XII, LLC10% Owner3,728,738IndirectJun 10, 20240
ARCH Venture Partners XII, L.P.10% Owner3,728,738IndirectJun 10, 20240
Galer Bradley S.Chief Medical Officer–Jun 10, 20240

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 24, 2026 (view filing)4:05 PM ETSep 231 dayCeesay AbrahamChief Executive OfficerSSale−2.21K$39.17−$86.6K−0.5%456.8K after3 lots10b5-1
Sep 9, 2026 (view filing)4:05 PM ETSep 81 dayCeesay AbrahamChief Executive OfficerSSale−8.21K$45.61−$374.5K−1.8%459.0K after2 lots10b5-1
Aug 26, 2026 (view filing)4:05 PM ETAug 251 dayCeesay AbrahamChief Executive OfficerSSale−18.9K$49.57−$938.0K−3.9%467.2K after10b5-1
Aug 26, 2026 (view filing)4:00 PM ETAug 24-252 daysYeleswaram KrishnaswamyChief Development OfficerSSale−50.2K$50.47−$2.53M−20.4%195.9K after3 lots10b5-1
Aug 20, 2026 (view filing)4:09 PM ETAug 191 dayYeleswaram KrishnaswamyChief Development OfficerSSale−404$49.90−$20.2K−0.2%246.0K after10b5-1
Aug 12, 2026 (view filing)4:35 PM ETAug 10-112 daysCeesay AbrahamChief Executive OfficerSSale−51.5K$47.25−$2.43M−9.6%486.1K after5 lots10b5-1
Jul 29, 2026 (view filing)4:05 PM ETJul 272 daysCeesay AbrahamChief Executive OfficerSSale−2.21K$42.11−$93.1K−0.4%537.6K after2 lots10b5-1
Jul 15, 2026 (view filing)4:15 PM ETJul 141 dayCeesay AbrahamChief Executive OfficerSSale−8.21K$40.00−$328.4K−1.5%539.8K after2 lots10b5-1
Jul 1, 2026 (view filing)4:10 PM ETJun 301 dayGault CherylChief Operating OfficerSSale−10.0K$41.58−$415.8K−6.3%149.9K after4 lots10b5-1
Jul 1, 2026 (view filing)4:05 PM ETJun 292 daysCeesay AbrahamChief Executive OfficerSSale−8.22K$39.83−$327.4K−1.5%548.0K after2 lots10b5-1
May 28, 2026 (view filing)4:15 PM ETMay 262 daysThird Rock Ventures V, L.P. and 5 others10% OwnerSSale−18.6K$40.05−$743.8K−0.3%6.28M after10b5-1
May 13, 2026 (view filing)7:06 PM ETMay 112 daysThird Rock Ventures V, L.P. and 5 others10% OwnerSSale−133.6K$40.24−$5.38M−2.1%6.30M after10b5-1
May 11, 2026 (view filing)5:07 PM ETMay 7-84 daysThird Rock Ventures V, L.P. and 5 others10% OwnerSSale−276.5K$40.12−$11.1M−4.1%6.43M after2 lots10b5-1
Apr 21, 2026 (view filing)7:36 PM ETApr 174 daysThird Rock Ventures V, L.P. and 5 others10% OwnerSSale−426.0K$40.32−$17.2M−6.0%6.71M after10b5-1
Apr 21, 2026 (view filing)Apr 174 daysYeleswaram KrishnaswamyChief Development OfficerSSale−20.2K$39.99−$808.8K−7.6%246.4K after10b5-1
Apr 14, 2026 (view filing)Apr 10-144 daysYeleswaram KrishnaswamyChief Development OfficerSSale−19.9K$35.03−$695.8K−6.9%266.7K after3 lots10b5-1
Apr 9, 2026 (view filing)Apr 81 dayYeleswaram KrishnaswamyChief Development OfficerSSale−360$34.90−$12.6K−0.1%286.5K after10b5-1
Mar 31, 2026 (view filing)Mar 301 dayGault CherylChief Operating OfficerSSale−10.0K$28.18−$281.8K−5.9%159.9K after2 lots10b5-1
Mar 26, 2026 (view filing)Mar 251 dayYeleswaram KrishnaswamyChief Development OfficerSSale−10.1K$29.99−$303.3K−3.4%286.9K after10b5-1
Mar 9, 2026 (view filing)Mar 54 daysGault CherylChief Operating OfficerSSale−2.01K$28.93−$58.3K−1.2%169.9K after
Feb 19, 2026 (view filing)Feb 181 dayCeesay AbrahamChief Executive OfficerSSale−5.83K$29.34−$171.2K−1.0%556.2K after2 lots10b5-1
Feb 19, 2026 (view filing)Feb 181 dayCeesay AbrahamChief Executive OfficerSSale−5.08K$29.35−$149.2K−19.7%20.7K after2 lots10b5-1
Feb 19, 2026 (view filing)Feb 172 daysBredt DavidChief Scientific OfficerSSale−8.50K$29.02−$246.6K−2.1%387.1K after3 lots10b5-1
Jan 22, 2026 (view filing)Jan 202 daysCeesay AbrahamChief Executive OfficerSSale−5.83K$26.12−$152.4K−1.0%562.1K after10b5-1
Jan 22, 2026 (view filing)Jan 202 daysCeesay AbrahamChief Executive OfficerSSale−5.08K$26.11−$132.7K−16.5%25.8K after10b5-1
Jan 16, 2026 (view filing)Jan 151 dayBredt DavidChief Scientific OfficerSSale−8.50K$26.84−$228.2K−2.1%395.6K after2 lots10b5-1
Jan 5, 2026 (view filing)Dec 31, 20255 daysBredt DavidChief Scientific OfficerSSale−6.57K$30.05−$197.3K−1.6%404.1K after
Jan 5, 2026 (view filing)Dec 31, 20255 daysYeleswaram KrishnaswamyChief Development OfficerSSale−2.84K$30.05−$85.3K−0.9%297.0K after
Dec 18, 2025 (view filing)Dec 171 dayCeesay AbrahamChief Executive OfficerSSale−5.83K$29.64−$172.9K−1.0%567.9K after3 lots10b5-1
Dec 18, 2025 (view filing)Dec 171 dayCeesay AbrahamChief Executive OfficerSSale−5.08K$29.63−$150.6K−14.1%30.9K after3 lots10b5-1
Dec 16, 2025 (view filing)Dec 151 dayBredt DavidChief Scientific OfficerSSale−8.50K$30.02−$255.2K−2.1%392.6K after2 lots10b5-1
Dec 1, 2025 (view filing)Nov 265 daysGault CherylChief Operating OfficerSSale−5.00K$30.10−$150.5K−2.8%171.9K after10b5-1
Nov 18, 2025 (view filing)Nov 171 dayCeesay AbrahamChief Executive OfficerSSale−5.83K$25.19−$146.9K−1.0%573.7K after2 lots10b5-1
Nov 18, 2025 (view filing)Nov 171 dayCeesay AbrahamChief Executive OfficerSSale−5.08K$25.21−$128.1K−12.4%36.0K after2 lots10b5-1
Nov 18, 2025 (view filing)Nov 171 dayBredt DavidChief Scientific OfficerSSale−8.50K$25.19−$214.1K−2.1%401.1K after2 lots10b5-1
Oct 16, 2025 (view filing)Oct 151 dayBredt DavidChief Scientific OfficerSSale−8.50K$25.78−$219.2K−2.0%409.6K after2 lots10b5-1
Oct 16, 2025 (view filing)Oct 151 dayCeesay AbrahamChief Executive OfficerSSale−5.83K$25.81−$150.5K−1.0%579.6K after2 lots10b5-1
Oct 16, 2025 (view filing)Oct 151 dayCeesay AbrahamChief Executive OfficerSSale−5.08K$25.81−$131.2K−11.0%41.1K after2 lots10b5-1
Sep 19, 2025 (view filing)Sep 172 daysCeesay AbrahamChief Executive OfficerSSale−40.8K$26.32−$1.07M−6.5%585.4K after2 lots10b5-1
Sep 19, 2025 (view filing)Sep 172 daysCeesay AbrahamChief Executive OfficerSSale−35.6K$26.31−$936.4K−43.5%46.1K after2 lots10b5-1
Sep 17, 2025 (view filing)Sep 152 daysBredt DavidChief Scientific OfficerSSale−8.50K$24.19−$205.6K−2.0%418.1K after2 lots10b5-1
Sep 15, 2025 (view filing)Sep 123 daysHuber Reid MDirectorPPurchase+20.4K$24.48+$499.4KNew position20.4K after
Sep 15, 2025 (view filing)Sep 123 daysPaul Steven MDirectorPPurchase+41.7K$24.65+$1.03MNew position41.7K after2 lots
Sep 11, 2025 (view filing)Sep 11Same dayYoung Wendy B.DirectorPPurchase+3.50K$22.60+$79.1K+58.3%9.50K after
Sep 10, 2025 (view filing)Sep 82 daysGault CherylChief Operating OfficerSSale−5.00K$38.33−$191.7K−2.8%171.9K after10b5-1
Aug 18, 2025 (view filing)Aug 153 daysBredt DavidChief Scientific OfficerSSale−8.50K$15.00−$127.5K−2.0%426.6K after2 lots10b5-1
Jul 16, 2025 (view filing)Jul 151 dayBredt DavidChief Scientific OfficerSSale−8.50K$14.00−$119.0K−1.9%435.1K after10b5-1
Jun 18, 2025 (view filing)Jun 162 daysBredt DavidChief Scientific OfficerSSale−8.50K$11.00−$93.5K−1.9%443.6K after10b5-1
May 19, 2025 (view filing)May 154 daysBredt DavidChief Scientific OfficerSSale−8.50K$9.56−$81.3K−1.8%452.1K after10b5-1
Apr 16, 2025 (view filing)Apr 151 dayBredt DavidChief Scientific OfficerSSale−8.50K$9.57−$81.3K−1.8%460.6K after10b5-1