Third Rock Ventures V, L.P.

Third Rock Ventures V, L.P. serves as 10 percent owner at Rapport Therapeutics, Inc. Common Stock (RAPP). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$11.70M

Total Sells

4 trades

$34.39M

Net Position

Net Seller

$22.69M

Companies Traded

2

RAPP, SEPN

Active Period

Oct 2024 – May 2026

5 total trades

Most Recent

Sell RAPP

May 28, 2026 · $743.8K

Third Rock Ventures V, L.P.'s Insider Trading at Rapport Therapeutics, Inc. Common Stock (RAPP)

Buys

0 · $0.00

Sells

4 · $34.39M

Total Shares Bought

0

Total Shares Sold

854,708

RAPP Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 28, 2026	Sell	18,572	$40.05	$743.8K	6,280,525
May 13, 2026	Sell	133,618	$40.24	$5.38M	6,299,097
May 11, 2026	Sell	276,513	$40.12	$11.09M	6,437,733
Apr 21, 2026	Sell	426,005	$40.32	$17.18M	6,709,228

Third Rock Ventures V, L.P.'s Insider Trading at Septerna, Inc. (SEPN)

Buys

1 · $11.70M

Sells

0 · $0.00

Total Shares Bought

650,000

Total Shares Sold

0

SEPN Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Oct 28, 2024	Buy	650,000	$18.00	$11.70M	6,215,591

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Samira Shaikhly

officer: Chief People Officer

SEPNSell · Jun 30, 2026

Krishnaswamy Yeleswaram

officer: Chief Development Officer

RAPPSell · Apr 21, 2026

Elizabeth Bhatt

President and COO

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David Bredt

officer: Chief Scientific Officer

RAPPSell · Feb 19, 2026

PAUL STEVEN M

RAPPBuy · Sep 15, 2025

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