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Who

Adam Crystal

President, R&D

Company insider

Files Form 4 as: President, R&D, Tango Therapeutics; Chief Medical Officer, C4 Therapeutics.

In numbers

Trades disclosed
116
Buys
0
Sells
22
Bought
$0
Sold
$16.5M
Companies
2
Companies where not an officer
0
First trade
11 Feb 2021
Last trade
1 Oct 2026
Last filed
5 Oct 2026

Companies traded

Where they are an officer
TNGX Tango TherapeuticsOfficer · Biotechnology · last 1 Oct 20260 buys · 17 sells
CCCC C4 TherapeuticsOfficer · Biotechnology · last 30 Jan 20230 buys · 5 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
30Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
1 Oct 2026filed 5 Oct 2026TNGX Tango TherapeuticsBiotechnologySEC FORM 4 Code M$140K27,000 at $5.20filing
1 Oct 2026filed 5 Oct 2026TNGX Tango TherapeuticsBiotechnologySEC FORM 4 Sold$646K26,400 at $24.45filing
1 Oct 2026filed 5 Oct 2026TNGX Tango TherapeuticsBiotechnologySEC FORM 4 Sold$15K600 at $25.32filing
1 Oct 2026filed 5 Oct 2026TNGX Tango Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code M—27,000 at $0.00filing
1 Sep 2026filed 3 Sep 2026TNGX Tango TherapeuticsBiotechnologySEC FORM 4 Code M$140K27,000 at $5.20filing
1 Sep 2026filed 3 Sep 2026TNGX Tango TherapeuticsBiotechnologySEC FORM 4 Sold$604K27,000 at $22.37filing
1 Sep 2026filed 3 Sep 2026TNGX Tango Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code M—27,000 at $0.00filing
1 Sep 2026filed 3 Sep 2026TNGX Tango Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code M—27,000 at $0.00filing
1 Sep 2026filed 3 Sep 2026TNGX Tango TherapeuticsBiotechnologySEC FORM 4 Code M$140K27,000 at $5.20filing
1 Sep 2026filed 3 Sep 2026TNGX Tango TherapeuticsBiotechnologySEC FORM 4 Sold$604K27,000 at $22.37filing
3 Aug 2026filed 5 Aug 2026TNGX Tango TherapeuticsBiotechnologySEC FORM 4 Code M$140K27,000 at $5.20filing
3 Aug 2026filed 5 Aug 2026TNGX Tango TherapeuticsBiotechnologySEC FORM 4 Sold$141K5,267 at $26.79filing
3 Aug 2026filed 5 Aug 2026TNGX Tango TherapeuticsBiotechnologySEC FORM 4 Sold$594K21,733 at $27.35filing
3 Aug 2026filed 5 Aug 2026TNGX Tango Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code M—27,000 at $0.00filing
3 Aug 2026filed 5 Aug 2026TNGX Tango Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code M—27,000 at $0.00filing
3 Aug 2026filed 5 Aug 2026TNGX Tango TherapeuticsBiotechnologySEC FORM 4 Code M$140K27,000 at $5.20filing
3 Aug 2026filed 5 Aug 2026TNGX Tango TherapeuticsBiotechnologySEC FORM 4 Sold$141K5,267 at $26.79filing
3 Aug 2026filed 5 Aug 2026TNGX Tango TherapeuticsBiotechnologySEC FORM 4 Sold$594K21,733 at $27.35filing
1 Jul 2026filed 2 Jul 2026TNGX Tango TherapeuticsBiotechnologySEC FORM 4 Code M$140K27,000 at $5.20filing
1 Jul 2026filed 2 Jul 2026TNGX Tango TherapeuticsBiotechnologySEC FORM 4 Sold$576K19,629 at $29.34filing

Sectors

Health Care22

Buys in green, sells in red, by the company’s sector.

Related people

Kenneth Carl AndersonDirector · Director at C4 Therapeutics, filing Form 4 there in the last year
Donna Roy GroganDirector · Director at C4 Therapeutics, filing Form 4 there in the last year
Jessica NewcombPrincipal Accounting Officer · Principal Accounting Officer at Tango Therapeutics, filing Form 4 there in the last year
Kendra AdamsChief Financial Officer · Chief Financial Officer at C4 Therapeutics, filing Form 4 there in the last year
Leonard ReynoChief Medical Officer · Chief Medical Officer at C4 Therapeutics, filing Form 4 there in the last year