Adam Crystal

CCCC

Adam Crystal serves as officer: President, R&D at C4 Therapeutics, Inc. (CCCC). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

15 trades

$5.84M

Net Position

Net Seller

$5.84M

Companies Traded

TNGX, CCCC

Active Period

Apr 2021 – Apr 2026

15 total trades

Most Recent

Sell TNGX

Apr 16, 2026 · $961.5K

Adam Crystal's Insider Trading at C4 Therapeutics, Inc. (CCCC)

Buys

0 · $0.00

Sells

6 · $2.98M

Total Shares Bought

Total Shares Sold

76,301

CCCC Price Chart

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Date	Type	Shares	Avg Price	Value
Jan 30, 2023	Sell	1,301	$7.78	$10.1K
Jan 4, 2022	Sell	15,000	$31.66	$475.0K
Oct 1, 2021	Sell	15,000	$45.43	$681.4K
Jul 29, 2021	Sell	15,000	$45.00	$675.0K
Jul 1, 2021	Sell	15,000	$37.98	$569.7K
Apr 5, 2021	Sell	15,000	$37.77	$566.5K

Adam Crystal's Insider Trading at Tango Therapeutics, Inc. (TNGX)

Buys

0 · $0.00

Sells

9 · $2.87M

Total Shares Bought

Total Shares Sold

192,121

TNGX Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Apr 16, 2026	Sell	38,460	$25.00	$961.5K	112,622
Mar 27, 2026	Sell	12,000	$20.11	$241.3K	112,622
Mar 9, 2026	Sell	20,251	$15.00	$303.8K	112,622
Feb 27, 2026	Sell	54,345	$12.77	$694.2K	132,873
Feb 4, 2026	Sell	18,452	$12.26	$226.3K	187,419
Feb 2, 2026	Sell	18,452	$12.26	$226.3K	0
Feb 6, 2025	Sell	14,283	$3.07	$43.9K	165,061
Feb 8, 2024	Sell	8,371	$12.59	$105.4K	123,561
Nov 2, 2023	Sell	7,507	$8.39	$63.0K	81,250