Stocks
CCCC C4 Therapeutics, Inc.

CCCC

C4 Therapeutics, Inc.

Company with tickers: CCCC

CIK

1662579

CUSIP

12529R107

Shares Outstanding

110,567,222

Price History Institutional Holders Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trades Congressional Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-04-01	Anderson Kenneth Carl	Director	Other	129,877	—	—	129,877
2026-04-01	Anderson Kenneth Carl	Director	Other	74,581	—	—	74,581
2026-04-01	Anderson Kenneth Carl	Director	Award	4,259	$2.70	$11,499	68,230
2026-04-01	Anderson Kenneth Carl	Director	Other	3,623	—	—	3,623
2026-04-01	Anderson Kenneth Carl	Director	Other	74,581	—	—	74,581
2026-04-01	Anderson Kenneth Carl	Director	Other	3,623	—	—	3,623
2026-04-01	GROGAN DONNA ROY	Director	Award	5,370	$2.70	$14,499	71,512
2026-02-15	Hirsch Andrew	Chief Financial Officer	Convert	20,400	—	—	1,083,991
2026-02-15	Hirsch Andrew	Chief Financial Officer	Tax	9,057	$1.89	$17,118	1,074,934
2026-02-14	REYNO LEONARD	Chief Medical Officer	Convert	30,950	—	—	396,382
2026-02-14	REYNO LEONARD	Chief Medical Officer	Tax	16,579	$1.89	$31,334	379,803
2026-02-14	Mossler Mark	Chief Accounting Officer	Tax	3,268	$1.89	$6,177	71,916
2026-02-14	Mossler Mark	Chief Accounting Officer	Convert	9,420	—	—	75,184
2026-02-14	Boyle Scott N	Chief Business Officer	Convert	20,950	—	—	306,070
2026-02-14	Boyle Scott N	Chief Business Officer	Tax	7,269	$1.89	$13,738	298,801
2026-02-14	Mahaney Paige	Chief Scientific Officer	Convert	7,050	—	—	339,356
2026-02-14	Mahaney Paige	Chief Scientific Officer	Tax	2,446	$1.89	$4,623	336,910
2026-02-14	Hirsch Andrew	Chief Financial Officer	Convert	81,725	—	—	1,123,145
2026-02-14	Schick Kelly	Chief People Officer	Convert	20,950	—	—	307,150
2026-02-14	Schick Kelly	Chief People Officer	Tax	7,269	$1.89	$13,738	299,881
2026-02-14	Adams Kendra	Chief Financial Officer	Tax	15,381	$1.89	$29,070	385,098
2026-02-14	Adams Kendra	Chief Financial Officer	Convert	30,950	—	—	400,479
2026-02-14	Hirsch Andrew	Chief Financial Officer	Tax	39,154	$1.89	$74,001	1,083,991
2026-02-13	REYNO LEONARD	Chief Medical Officer	Award	240,000	—	—	396,382
2026-02-13	Mossler Mark	Chief Accounting Officer	Award	56,980	—	—	75,184
2026-02-13	Boyle Scott N	Chief Business Officer	Convert	5,000	—	—	307,805
2026-02-13	Boyle Scott N	Chief Business Officer	Tax	1,735	$1.89	$3,279	306,070
2026-02-13	Boyle Scott N	Chief Business Officer	Award	200,000	—	—	307,805
2026-02-13	Mahaney Paige	Chief Scientific Officer	Award	240,000	—	—	339,356
2026-02-13	Hirsch Andrew	Chief Financial Officer	Award	700,000	—	—	1,123,145
2026-02-13	Schick Kelly	Chief People Officer	Tax	1,735	$1.89	$3,279	307,150
2026-02-13	Schick Kelly	Chief People Officer	Award	200,000	—	—	308,885
2026-02-13	Schick Kelly	Chief People Officer	Convert	5,000	—	—	308,885
2026-02-13	Adams Kendra	Chief Financial Officer	Tax	1,863	$1.89	$3,521	400,479
2026-02-13	Adams Kendra	Chief Financial Officer	Award	240,000	—	—	402,342
2026-02-13	Adams Kendra	Chief Financial Officer	Convert	3,750	—	—	402,342
2026-01-16	REYNO LEONARD	Chief Medical Officer	Sell	10,000	$2.22	$22,200	156,382
2026-01-02	Anderson Kenneth Carl	Director	Other	16,939	—	—	16,939
2026-01-02	Anderson Kenneth Carl	Director	Other	61,265	—	—	61,265
2026-01-02	Anderson Kenneth Carl	Director	Other	61,265	—	—	61,265
2026-01-02	Anderson Kenneth Carl	Director	Award	5,958	$1.93	$11,499	146,532
2026-01-02	Anderson Kenneth Carl	Director	Other	47,316	—	—	47,316
2026-01-02	Anderson Kenneth Carl	Director	Other	16,939	—	—	16,939
2026-01-02	GROGAN DONNA ROY	Director	Award	7,513	$1.93	$14,500	66,142
2025-10-28	Mahaney Paige	Chief Scientific Officer	Tax	5,644	$2.58	$14,562	99,356
2025-10-28	Mahaney Paige	Chief Scientific Officer	Convert	19,200	—	—	105,000
2025-10-01	Anderson Kenneth Carl	Director	Other	16,939	—	—	16,939
2025-10-01	Anderson Kenneth Carl	Director	Other	47,316	—	—	47,316
2025-10-01	Anderson Kenneth Carl	Director	Other	61,265	—	—	61,265
2025-10-01	Anderson Kenneth Carl	Director	Other	61,265	—	—	61,265
2025-10-01	Anderson Kenneth Carl	Director	Award	5,349	$2.15	$11,500	140,574
2025-10-01	Anderson Kenneth Carl	Director	Other	16,939	—	—	16,939
2025-10-01	GROGAN DONNA ROY	Director	Award	6,740	$2.15	$14,491	58,629
2025-09-18	Adams Kendra	Chief Financial Officer	Convert	6,250	—	—	165,117
2025-09-18	Adams Kendra	Chief Financial Officer	Tax	2,775	$3.32	$9,213	162,342
2025-07-10	REYNO LEONARD	Chief Medical Officer	Tax	7,382	$1.99	$14,690	166,382
2025-07-01	Anderson Kenneth Carl	Director	Other	47,316	—	—	47,316
2025-07-01	Anderson Kenneth Carl	Director	Other	61,265	—	—	61,265
2025-07-01	Anderson Kenneth Carl	Director	Award	7,616	$1.51	$11,500	135,225
2025-07-01	Anderson Kenneth Carl	Director	Other	61,265	—	—	61,265
2025-07-01	Anderson Kenneth Carl	Director	Other	16,939	—	—	16,939
2025-07-01	Anderson Kenneth Carl	Director	Other	16,939	—	—	16,939
2025-07-01	GROGAN DONNA ROY	Director	Award	9,609	$1.51	$14,510	51,889
2025-06-18	Fawell Stephen	Director	Award	35,500	—	—	35,500
2025-06-18	Anderson Kenneth Carl	Director	Award	35,500	—	—	35,500
2025-06-18	Koppikar Utpal	Director	Award	35,500	—	—	35,500
2025-06-18	Hughes Owen	Director, President and CEO	Award	35,500	—	—	35,500
2025-06-18	Bessen Laura	Director	Award	35,500	—	—	35,500
2025-06-18	GROGAN DONNA ROY	Director	Award	35,500	—	—	35,500
2025-06-18	Cooper Ronald Harold Wilfred	Director, CEO & President	Award	35,500	—	—	35,500
2025-06-18	Hoerter Steven L.	Director	Award	35,500	—	—	35,500
2025-04-01	GROGAN DONNA ROY	Director	Award	9,581	$1.44	$13,749	42,280
2025-04-01	Anderson Kenneth Carl	Director	Award	7,841	$1.44	$11,252	127,609
2025-04-01	Anderson Kenneth Carl	Director	Other	61,265	—	—	61,265
2025-04-01	Anderson Kenneth Carl	Director	Other	16,939	—	—	16,939
2025-04-01	Anderson Kenneth Carl	Director	Other	16,939	—	—	16,939
2025-04-01	Anderson Kenneth Carl	Director	Other	61,265	—	—	61,265
2025-04-01	Anderson Kenneth Carl	Director	Other	47,316	—	—	47,316
2025-02-18	Boyle Scott N	Chief Business Officer	Sell	669	$3.15	$2,107	107,805
2025-02-15	Hirsch Andrew	Chief Financial Officer	Tax	9,370	$3.18	$29,797	423,145
2025-02-14	Hirsch Andrew	Chief Financial Officer	Award	223,500	—	—	445,362
2025-02-14	Hirsch Andrew	Chief Financial Officer	Tax	12,847	$3.18	$40,853	432,515
2025-02-14	Hirsch Andrew	Chief Financial Officer	Award	335,300	—	—	335,300
2025-02-14	Siegel Jolie	Chief Legal Officer	Award	84,700	—	—	84,700
2025-02-14	Siegel Jolie	Chief Legal Officer	Tax	2,914	$3.18	$9,267	107,939
2025-02-14	Siegel Jolie	Chief Legal Officer	Award	56,500	—	—	110,853
2025-02-14	Boyle Scott N	Chief Business Officer	Tax	2,368	$3.18	$7,530	108,474
2025-02-14	Boyle Scott N	Chief Business Officer	Award	56,500	—	—	111,332
2025-02-14	Boyle Scott N	Chief Business Officer	Sell	490	$3.15	$1,544	110,842
2025-02-14	Boyle Scott N	Chief Business Officer	Award	84,700	—	—	84,700
2025-02-14	Mossler Mark	Chief Accounting Officer	Tax	1,586	$3.18	$5,043	18,204
2025-02-14	Schick Kelly	Chief People Officer	Award	84,700	—	—	84,700
2025-02-14	Schick Kelly	Chief People Officer	Tax	2,368	$3.18	$7,530	108,885
2025-02-14	Schick Kelly	Chief People Officer	Award	56,500	—	—	111,253
2025-02-14	Adams Kendra	Chief Financial Officer	Award	130,600	—	—	130,600
2025-02-14	Adams Kendra	Chief Financial Officer	Award	87,100	—	—	169,676
2025-02-14	Adams Kendra	Chief Financial Officer	Tax	4,559	$3.18	$14,498	165,117
2025-02-14	Mahaney Paige	Chief Scientific Officer	Award	42,400	—	—	42,400
2025-02-14	Mahaney Paige	Chief Scientific Officer	Award	28,200	—	—	105,000
2025-02-14	REYNO LEONARD	Chief Medical Officer	Award	130,600	—	—	130,600