Quick Takeaways
- Adam Crystal has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $3,065,832.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Adam Crystal
- Location
- Watertown, MA
- Summary
- The estimated net worth of Adam Crystal is at least $3,065,832 dollars as of 16 Apr 2026. Adam Crystal is the President, R&D of Tango Therapeutics, Inc. and owns shares of Tango Therapeutics, Inc. (TNGX) stock worth about $2.82M. Adam Crystal is the Chief Medical Officer of C4 Therapeutics, Inc. and owns shares of C4 Therapeutics, Inc. (CCCC) stock worth about $250.3K.
- Signature
- /s/ Julie Fogarty, as attorney-in-fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Adam Crystal and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: Tango Therapeutics, Inc. ($2,815,550).
- Past-year value change for that position: -$2,999,572.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Adam Crystal
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| TNGX | Tango Therapeutics, Inc. | President, R&D | $2,815,550 | -$2,999,572 | -52% | 15 Apr 2026 |
| CCCC | C4 Therapeutics, Inc. | Chief Medical Officer | $250,282 | 30 Jan 2023 |
Insider Transactions Reported by Adam Crystal:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.