TNGX insider buying and SEC filings, explained
Tango Therapeutics, Inc. · CIK 1819133
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$727K
Planned sales (10b5-1)
$7.0M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 1, 2026 | Planned (10b5-1) | Adam Crystal (President / COO) sold 27,000 shares at about $24.47 ($661K), marked as a 10b5-1 plan trade. Holdings down 19% to 115,743 shares. | SEC filing Filed Oct 5, 2026, 5:36 PM ET |
| Sep 22, 2026 | Planned (10b5-1) | Jessica Newcomb (Principal Accounting Officer) sold 8,200 shares at about $24.22 ($199K), marked as a 10b5-1 plan trade. Holdings down 12% to 59,121 shares. | SEC filing Filed Sep 24, 2026 |
| Sep 1, 2026 | Planned (10b5-1) | Adam Crystal (President / COO) sold 27,000 shares at about $22.37 ($604K), marked as a 10b5-1 plan trade. Holdings down 19% to 115,743 shares. | SEC filing Filed Sep 3, 2026 |
| Aug 3, 2026 | Planned (10b5-1) | Adam Crystal (President / COO) sold 27,000 shares at about $27.24 ($736K), marked as a 10b5-1 plan trade. Holdings down 19% to 115,743 shares. | SEC filing Filed Aug 5, 2026 |
| Jul 1, 2026 | Planned (10b5-1) | Adam Crystal (President / COO) sold 27,000 shares at about $29.59 ($799K), marked as a 10b5-1 plan trade. Holdings down 19% to 115,743 shares. | SEC filing Filed Jul 2, 2026 |
| Jun 1, 2026 | Planned (10b5-1) | Adam Crystal (President / COO) sold 27,000 shares at about $22.88 ($618K), marked as a 10b5-1 plan trade. Holdings down 19% to 115,743 shares. | SEC filing Filed Jun 3, 2026 |
| May 1, 2026 | Planned (10b5-1) | Adam Crystal (President / COO) sold 27,000 shares at about $21.22 ($573K), marked as a 10b5-1 plan trade. Holdings down 19% to 115,743 shares. | SEC filing Filed May 5, 2026 |
| Apr 15, 2026 | Planned (10b5-1) | Adam Crystal (President / COO) sold 38,460 shares at $25.00 ($962K), marked as a 10b5-1 plan trade. Holdings down 25% to 112,622 shares. | SEC filing Filed Apr 16, 2026 |
| Apr 1, 2026 | Planned (10b5-1) | Adam Crystal (President / COO) sold 27,000 shares at about $21.20 ($572K), marked as a 10b5-1 plan trade. Holdings down 19% to 112,622 shares. | SEC filing Filed Apr 2, 2026 |
| Mar 25, 2026 | Planned (10b5-1) | Adam Crystal (President / COO) sold 12,000 shares at about $20.11 ($241K), marked as a 10b5-1 plan trade. Holdings down 10% to 112,622 shares. | SEC filing Filed Mar 27, 2026 |
| Mar 5, 2026 | Planned (10b5-1) | Adam Crystal (President / COO) sold 20,251 shares at $15.00 ($304K), marked as a 10b5-1 plan trade. Holdings down 15% to 112,622 shares. | SEC filing Filed Mar 9, 2026 |
| Feb 25, 2026 | Planned (10b5-1) | Adam Crystal (President / COO) sold 54,345 shares at about $12.77 ($694K), marked as a 10b5-1 plan trade. Holdings down 29% to 132,873 shares. | SEC filing Filed Feb 27, 2026 |
| Feb 3, 2026 | Sale | Daniella Beckman (CFO) sold 10,317 shares at about $12.27 ($127K). Holdings down 5% to 184,297 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 4, 2026 |
| Feb 3, 2026 | Sale | Barbara Weber (Chair and Director) sold 30,519 shares at about $12.27 ($374K). Holdings down 2% to 1,629,254 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 4, 2026 |
| Feb 3, 2026 | Sale | Adam Crystal (President / COO) sold 18,452 shares at about $12.27 ($226K). Holdings down 9% to 187,218 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 4, 2026 |
22 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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