Rapport Therapeutics Inc

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Rapport Therapeutics Inc
TickerRAPP
CIK #0002012593
CUSIP75383L102
SectorLife Sciences - Pharmaceutical Preparations
Address1325 Boylston Street Suite 401, Boston, MA 02215
Source [EDGAR]
CIK Filing 2011 - 2026
[0002012593] 10-K
[0002012593] 10-Q
[0002012593] 3
[0002012593] 4
[0002012593] 8-K
[0002012593] SC 13D
[0002012593] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
BlackRock Inc Rapport Therapeutics Inc [2026-01-21] 0.0
Third Rock Ventures V LP Rapport Therapeutics Inc [2025-02-13] 0.0
Arch Venture Fund XII LP Rapport Therapeutics Inc [2024-11-14] 10.2
Capital International Investors Rapport Therapeutics Inc [2024-11-13] 7.1
Johnson & Johnson Rapport Therapeutics Inc [2024-10-18] 6.8
FMR LLC Rapport Therapeutics Inc [2024-07-10] 0.0
Goldman Sachs Group Inc Rapport Therapeutics Inc [2024-06-21] 7.5
Cormorant Asset Management LP Rapport Therapeutics Inc [2024-06-20] 3.51
Sofinnova Venture Partners Xi LP Rapport Therapeutics Inc [2024-06-14] 11.0
Form 3/4/5 Filer 2011 - 2026
Rapport Therapeutics Inc
Ceesay Abraham
Gault Cheryl
Perez Robert J
Paul Steven M
Silva Paul M
Healy James
Huber Reid M
Young Wendy B
Sanchez Ramiro
Maraganore John
Third Rock Ventures V LP
Third Rock Ventures GP V LP
TRV GP VI LLC
TRV GP V LLC
Third Rock Ventures VI LP
Third Rock Ventures GP VI LP
Yeleswaram Krishnaswamy
Bredt David
Ignelzi Troy A
Sevigny Jeffrey
Arch Venture Fund XII LP
Arch Venture Partners XII LLC
Burow Kristina
Nelsen Robert
Gillis Steven
Crandell Keith
Arch Venture Partners XII LP
Galer Bradley S
Burrell Terry-Ann
Tong Jeffrey K
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Gault Cheryl
Common Stock
2026-03-30 Sell 2,839 $28.55 81,053
Gault Cheryl
Common Stock
2026-03-30 Sell 7,161 $28.04 200,794
Yeleswaram Krishnaswamy
Common Stock
2026-03-25 Sell 10,115 $29.99 303,349
Gault Cheryl
Common Stock
2026-03-05 Sell 2,014 $28.93 58,265
Bredt David
Stock Options (Right to Buy) · derivative
2026-02-19 Option exercise 6,000 $0.00
Bredt David
Common Stock
2026-02-19 Option exercise 6,000 $1.80 10,800
Ceesay Abraham
Common Stock
2026-02-18 Sell 2,281 $29.80 67,974
Ceesay Abraham
Common Stock
2026-02-18 Sell 3,552 $29.05 103,186
Ceesay Abraham
Common Stock
2026-02-18 Sell 2,100 $29.80 62,580
Ceesay Abraham
Common Stock
2026-02-18 Sell 2,983 $29.04 86,626
Bredt David
Common Stock
2026-02-17 Sell 5,400 $28.95 156,330
Bredt David
Common Stock
2026-02-17 Sell 2,200 $29.59 65,098
Bredt David
Common Stock
2026-02-17 Sell 900 $28.02 25,218
Gault Cheryl
Stock Option (Right to Buy) · derivative
2026-02-02 Grant 132,000 $0.00
Sevigny Jeffrey
Stock Option (Right to Buy) · derivative
2026-02-02 Grant 130,000 $0.00
Ceesay Abraham
Stock Option (Right to Buy) · derivative
2026-02-02 Grant 428,000 $0.00
Ignelzi Troy A
Stock Option (Right to Buy) · derivative
2026-02-02 Grant 148,000 $0.00
Yeleswaram Krishnaswamy
Stock Option (Right to Buy) · derivative
2026-02-02 Grant 120,000 $0.00
Bredt David
Stock Option (Right to Buy) · derivative
2026-02-02 Grant 103,000 $0.00
Ceesay Abraham
Common Stock
2026-01-20 Sell 5,833 $26.12 152,358
showing 20 of 125 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 147 51,072,773
2025-12-31 145 49,665,517
2025-09-30 124 47,918,506
2025-06-30 82 36,377,363
2025-03-31 78 35,507,497
2024-12-31 71 33,821,163
2024-09-30 56 25,679,511
2024-06-30 36 22,665,656
Form 13F Holdings
Firm Period DFND Voting Shares
Swedbank AB [2026-06-30] DFND 117,400 117,400
Ellsworth Advisors LLC [2026-06-30] SOLE 0 24,539
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 19,189 19,189
PSP Research LLC [2026-06-30] SOLE 0 14,000
Gamma Investing LLC [2026-06-30] DFND 408 408
MassMutual Private Wealth & Trust FSB [2026-06-30] SOLE 163 163
True Wealth Design LLC [2026-06-30] SOLE 0 41
Versant Capital Management Inc [2026-06-30] SOLE 27 27
IFP Advisors LLC [2026-06-30] SOLE 3 3
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