Based on data from the past 90 days ending January 10, 2026, Tango Therapeutics's three largest insider shareholders are TenPercentOwner Rock Ventures Iv, L.P. Third (13.39Mn shares), TenPercentOwner Capital, Llc Ecor1 (10.63Mn shares), Other Capital Management, Llc Boxer (10.30Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Rock Ventures Iv, L.P. Third | 13,386,574 | 27 Oct, 2025 | |
| Capital, Llc Ecor1 | 10,630,736 | 08 Nov, 2024 | |
| Capital Management, Llc Boxer | 10,301,284 | 28 Oct, 2024 | |
| Capital, Llc Boxer | 8,892,166 | 17 Oct, 2023 | |
| Barbara Weber | Chief Executive Officer | 1,622,251 | 06 Feb, 2025 |
| Investors, Llc Mva | 592,317 | 02 Jul, 2024 | |
| Alan Huang | Chief Scientific Officer | 167,584 | 02 Mar, 2023 |
| Adam Crystal | Nan | 158,210 | 06 Feb, 2025 |
| Daniella Beckman | Chief Financial Officer | 150,284 | 06 Feb, 2025 |
| Douglas Barry | General Counsel | 66,014 | 06 Feb, 2025 |
| Mace Rothenberg | 37,500 | 09 Jun, 2025 | |
| John B Ketchum | 20,937 | 09 Jun, 2025 | |
| Alexis Borisy | 17,500 | 09 Jun, 2025 | |
| Malte Peters | 17,500 | 09 Jun, 2025 | |
| Lesley Ann Calhoun | 12,500 | 09 Jun, 2025 | |
| Sung Lee | 10,000 | 06 Jan, 2026 | |
| Reid M Huber | 5,000 | 08 Jun, 2023 | |
| Aaron I. Davis | 5,000 | 08 Jun, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 02 Jan, 2026 | Sung Lee | Common Stock | A | 10,000 | $0.00 | 10,000 | D | A |
| 23 Oct, 2025 | Rock Ventures Iv, L.P. Third | Common Stock | D | 477,401 | $10.15 | 13,386,574 | D | S |
| 23 Oct, 2025 | Rock Ventures Iv, L.P. Third | - | - | 13,386,574 | D | |||
| 25 Sep, 2025 | Rock Ventures Iv, L.P. Third | Common Stock | D | 500,000 | $8.02 | 13,863,975 | D | S |
| 16 Sep, 2025 | Rock Ventures Iv, L.P. Third | Common Stock | D | 363,541 | $7.04 | 14,363,975 | D | S |
| 08 Sep, 2025 | Rock Ventures Iv, L.P. Third | Common Stock | D | 86,459 | $7.04 | 14,727,516 | D | S |
| 05 Sep, 2025 | Rock Ventures Iv, L.P. Third | Common Stock | D | 642,906 | $7.00 | 14,813,975 | D | S |
| 22 Aug, 2025 | Rock Ventures Iv, L.P. Third | Common Stock | D | 302,194 | $7.00 | 15,456,881 | D | S |
| 19 Aug, 2025 | Rock Ventures Iv, L.P. Third | Common Stock | D | 1,100,000 | $7.01 | 15,759,075 | D | S |
| 05 Jun, 2025 | Alexis Borisy | Common Stock | A | 6,250 | $0.00 | 17,500 | D | A |
| 05 Jun, 2025 | Lesley Ann Calhoun | Common Stock | A | 6,250 | $0.00 | 12,500 | D | A |
| 05 Jun, 2025 | Mace Rothenberg | Common Stock | A | 6,250 | $0.00 | 37,500 | D | A |
| 05 Jun, 2025 | Malte Peters | - | - | 17,500 | D | |||
| 05 Jun, 2025 | Malte Peters | Common Stock | A | 6,250 | $0.00 | 17,500 | D | A |
| 05 Jun, 2025 | John B Ketchum | Common Stock | A | 6,250 | $0.00 | 20,937 | D | A |
| 05 Feb, 2025 | Daniella Beckman | Common Stock | D | 3,948 | $3.16 | 150,284 | D | S |
| 05 Feb, 2025 | Barbara Weber | Common Stock | D | 9,013 | $3.16 | 1,622,251 | D | S |
| 05 Feb, 2025 | Adam Crystal | Common Stock | D | 6,851 | $3.16 | 158,210 | D | S |
| 05 Feb, 2025 | Douglas Barry | Common Stock | D | 2,556 | $3.16 | 66,014 | D | S |
| 05 Feb, 2025 | Douglas Barry | - | - | 66,014 | D |