Third Rock Ventures IV, L.P.
SEC Form 4 insider trading activity
Third Rock Ventures IV, L.P. has filed 5 SEC Form 4 filings (6 transaction rows) across 2 companies, including MAZE, TNGX, with disclosures dating back to 2025. 2 of those filings fall inside the rolling window. Most recent filing: Nov 5, 2025.
On the most recent filing, Third Rock Ventures IV, L.P. is listed as 10% Owner at Tango Therapeutics, Inc. Inside the rolling window, Third Rock Ventures IV, L.P. reported no open-market purchases and 1 open-market sale totaling $4.8M in TNGX.
Companies traded
Other insiders at MAZE
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$4.8M
reported sales (SEC code S)
Companies
2
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Sep 25, 2025 | TNGX | Sale | $4.0M |
| Sep 16, 2025 | TNGX | Sale | $2.6M |
| Sep 8, 2025 | TNGX | Sale | $609K |
| Sep 5, 2025 | TNGX | Sale | $4.5M |
Frequently asked questions
How many SEC Form 4 filings has Third Rock Ventures IV, L.P. made?
Third Rock Ventures IV, L.P. has filed 5 SEC Form 4 filings (6 transaction rows) across 2 companies, including MAZE, TNGX since 2025.
Which companies does Third Rock Ventures IV, L.P. trade?
Third Rock Ventures IV, L.P. has filed SEC Form 4 disclosures for 2 companies, including MAZE, TNGX.
When was Third Rock Ventures IV, L.P.'s most recent SEC Form 4 filing?
Third Rock Ventures IV, L.P.'s most recent SEC Form 4 filing on Tracefour is dated Nov 5, 2025.
What is Third Rock Ventures IV, L.P.'s total buy and sell value in the current window?
Inside the rolling retention window, Third Rock Ventures IV, L.P. bought $0 and sold $4.8M based on SEC Form 4 filings.
What was Third Rock Ventures IV, L.P.'s largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 477,401 TNGX shares on 2025-10-23, worth $4.8M, per SEC Form 4 filings.