Rapport Therapeutics: fund acquires 1.19M shares
The private placement was made under a Securities Purchase Agreement dated October 28, 2026, between the issuer and both partnerships.
Sentiment and the balance of points
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Form Type
4
Rhea-AI Filing Summary
Rapport Therapeutics, Inc. (RAPP) reported that Third Rock Ventures V, L.P. acquired 238,095 common shares and Third Rock Ventures VI, L.P. acquired 1,190,476 common shares in a private placement on October 30, 2026, at $21 per share. Third Rock Ventures V, L.P. directly held 6,518,620 shares after the transaction; Third Rock Ventures VI, L.P. directly held 2,159,694. Reid Huber, a partner at Third Rock Ventures, serves on the issuer’s board and has been deputized to represent the reporting persons on the board.
Insider Trade Summary
Grant/Award: 1,428,571 shares
Grant/Award
2 txns
Insider
Third Rock Ventures V, L.P., Third Rock Ventures GP V, LP, TRV GP V, LLC, Third Rock Ventures VI, L.P., Third Rock Ventures GP VI, L.P., TRV GP VI, LLC
Role
Director, 10% Owner | Director, 10% Owner | Director, 10% Owner | Director, 10% Owner | Director, 10% Owner | Director, 10% Owner
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Grant/Award | Common Stock F1, F2, F3 | 238,095 | $21.00 | $5.00M |
| Grant/Award | Common Stock F1, F3, F4 | 1,190,476 | $21.00 | $25.00M |
Holdings After Transaction:
Common Stock — 6,518,620 shares (Direct);
Common Stock — 2,159,694 shares (Indirect, By Third Rock Ventures VI, L.P.)
Holdings Before and After:
Common Stock, 6,280,525 to 6,518,620 shares (Direct);
Common Stock, 969,218 to 2,159,694 shares (Indirect, By Third Rock Ventures VI, L.P.)
Footnotes (4)
- F1. Shares acquired in a private placement pursuant to a Securities Purchase Agreement dated October 28, 2026 by and between the Issuer, Third Rock Ventures V, L.P. ("TRV V") and Third Rock Ventures VI, L.P. ("TRV VI").
- F2. These shares are directly held by TRV V. The general partner of TRV V is Third Rock Ventures GP V, L.P. ("TRV GP V"). The general partner of TRV GP V is TRV GP V, LLC ("TRV GP V LLC"). Each of TRV GP V and TRV GP V LLC disclaims beneficial ownership of the shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that it is the beneficial owner of such shares.
- F3. Each of Reporting Persons disclaims the existence of a Section 13(d) "group" as between any TRV V related parties and any TRV VI related parties and this report shall not be deemed an admission that any of such parties is or may be part of such a group with any of the other parties.
- F4. These shares are held directly by TRV VI. The general partner of TRV VI is Third Rock Ventures GP VI, L.P. ("TRV GP VI"). The general partner of TRV GP VI is TRV GP VI, LLC ("TRV GP VI LLC"). Each of TRV GP VI, and TRV GP VI LLC, disclaims beneficial ownership of these shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that it is the beneficial owner of such shares.
Key Figures
Shares acquired by Third Rock Ventures V, L.P.: 238,095 shares
Shares acquired by Third Rock Ventures VI, L.P.: 1,190,476 shares
Price per share: $21 per share
+2 more
5 metrics
Shares acquired by Third Rock Ventures V, L.P.
238,095 shares
Private placement on October 30, 2026
Shares acquired by Third Rock Ventures VI, L.P.
1,190,476 shares
Private placement on October 30, 2026
Price per share
$21 per share
Private placement on October 30, 2026
Shares held by Third Rock Ventures V, L.P. after transaction
6,518,620 shares
Following the October 30, 2026 transaction
Shares held by Third Rock Ventures VI, L.P. after transaction
2,159,694 shares
Following the October 30, 2026 transaction
Key Terms
private placement, Securities Purchase Agreement, director by deputization, beneficial ownership, +1 more
5 terms
private placement financial
"Shares acquired in a private placement"
A private placement is a sale of securities directly to a selected group of investors, typically institutions or accredited investors, instead of through a public offering. It lets a company raise money faster and with fewer regulatory steps; for existing shareholders it matters because the newly issued shares, often sold at a discount, increase the share count and can dilute their ownership.
Securities Purchase Agreement financial
"pursuant to a Securities Purchase Agreement dated October 28, 2026"
A securities purchase agreement is a written contract between a buyer and a seller outlining the terms for buying or selling financial assets such as stocks or bonds. It specifies details like the price, quantity, and conditions of the transaction, similar to a shopping list with agreed-upon terms. For investors, it provides clarity and legal protection when transferring ownership of these financial instruments.
director by deputization regulatory
"may be deemed a director by deputization of the Issuer"
beneficial ownership regulatory
"disclaims beneficial ownership of the shares"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
pecuniary interest financial
"except to the extent of its pecuniary interest therein"
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