Form 4: Third Rock Disposes 302,194 Tango Therapeutics Shares, Holdings Updated
Rhea-AI Filing Summary
Third Rock Ventures-related entities reported a sale of Tango Therapeutics (TNGX) shares. On 08/22/2025, Third Rock Ventures IV, L.P. sold 302,194 shares of common stock in multiple transactions at a weighted average price of $7.00–$7.05 per share. After the sale, the reporting person holds 15,456,881 shares, held indirectly through the fund and its GP structure. The filing lists Third Rock Ventures IV, L.P., Third Rock Ventures GP IV, L.P., and TRV GP IV, LLC as reporting persons and includes a footnote clarifying the weighted-average price range and the entities' disclaimers of beneficial ownership except to the extent of pecuniary interest.
Positive
- None.
Negative
- Reported sale of 302,194 common shares on 08/22/2025, reducing holdings to 15,456,881 shares.
- Sale price range disclosed as weighted average $7.00–$7.05, indicating shares were disposed of below some prior price points (if any).
Insights
TL;DR: Insider sale of 302,194 TNGX shares reduces reported holdings to 15.46M; transaction disclosed at $7.00–$7.05 weighted average.
The Form 4 documents a non-derivative disposition by Third Rock Ventures IV, L.P. The report is specific about quantity sold, the price range, and the resulting beneficial ownership. For investors, the filing provides clear transactional data without additional commentary on rationale or planned further sales. The weighted-average price disclosure and offer to provide per-trade details increases transparency.
TL;DR: Proper Section 16 disclosure completed by GP and related entities; structure and disclaimers are standard for private fund reporting.
The filing shows compliant reporting by the fund, its GP, and GP LLC with signed certifications. Footnote disclosures about the GP relationships and disclaimer of beneficial ownership are standard and clarify indirect ownership. The form does not provide any admission of beneficial ownership beyond pecuniary interest, consistent with common governance practice for VC/GP structures.
Insider Trade Summary
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Common Stock | 302,194 | $7.00 | $2.12M |
Footnotes (1)
- The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.00 to $7.05, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1). These shares are directly held by Third Rock Ventures IV, L.P. ("TRV IV"). The general partner of TRV IV is Third Rock Ventures GP IV, L.P. ("TRV GP IV"). The general partner of TRV GP IV is TRV GP IV, LLC ("TRV GP IV LLC"). Each of TRV GP IV and TRV GP IV 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.
