MarketPeel
Insider Trading Intelligence
AC

Adam Crystal

CCCC
CHIEF MEDICAL OFFICER · C4 THERAPEUTICS, INC. · CIK 0001825445
FILING MIX · LIFETIME37%/63%
BUYS
26
SELLS
45
TOTAL VALUE
$9.55M
COMPANIES
2
ACTIVE SINCE
Feb 2021
HOLDINGS NOW
161,493
AVG SELL PX
$22.80
TRADE KIND
SHOWING 71 / 71
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
24 backtested trades · 8 horizons · 32 pending
Forward-return performance of every backtestable P/S trade by Adam Crystal, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d24+58.33%-3.86%+0.54%-4.40%-0.89%
14d24+70.83%-4.44%+1.10%-5.54%-7.18%
30d24+50.00%+0.33%+1.44%-1.50%-9.06%
60d24+41.67%+5.59%+0.71%+5.36%+1.04%
90d24(3 pending)+42.86%+6.36%+4.69%-2.44%-1.19%
180d24(9 pending)+73.33%-11.76%+3.92%-15.68%-35.11%
1y24(9 pending)+86.67%-22.65%+1.58%-24.23%-64.42%
2y24(11 pending)+100.00%-70.67%+13.62%-84.29%-95.25%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
CCCC · 18,750 shares · as of Jan 30, 2023
045,77791,554137,331183,10820222023SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
2026
FLOW · 26 buys / 45 sellsCOVERAGE · 23 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
TNGX
TANGO THERAPEUTICS, INC.
SALE10b5-1
10b5-1 plan
19,629$29.34$576.0K123,114Jul 1, 2026Jul 2, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE
President, R&D
27,000314,040Jul 1, 2026Jul 2, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
PURCHASE
President, R&D
27,000$5.20$140.4K142,743Jul 1, 2026Jul 2, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE10b5-1
10b5-1 plan
7,371$30.25$222.9K115,743Jul 1, 2026Jul 2, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
PURCHASE
President, R&D
27,000$5.20$140.4K142,743Jun 1, 2026Jun 3, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE
President, R&D
27,000341,040Jun 1, 2026Jun 3, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE10b5-1
10b5-1 plan
20,860$23.06$480.9K115,743Jun 1, 2026Jun 3, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE10b5-1
10b5-1 plan
6,140$22.25$136.6K136,603Jun 1, 2026Jun 3, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
PURCHASE
President, R&D
27,000$5.20$140.4K142,743May 1, 2026May 5, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE10b5-1
10b5-1 plan
25,900$21.19$548.9K116,843May 1, 2026May 5, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE10b5-1
10b5-1 plan
1,100$22.00$24.2K115,743May 1, 2026May 5, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE
President, R&D
27,000368,040May 1, 2026May 5, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
PURCHASE
President, R&D
38,460$5.20$200.0K151,082Apr 15, 2026Apr 16, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE10b5-1
10b5-1 plan
38,460$25.00$961.5K112,622Apr 15, 2026Apr 16, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE
President, R&D
38,460395,040Apr 15, 2026Apr 16, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE
President, R&D
27,000433,500Apr 1, 2026Apr 2, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
PURCHASE
President, R&D
27,000$5.20$140.4K139,622Apr 1, 2026Apr 2, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE10b5-1
10b5-1 plan
27,000$21.20$572.5K112,622Apr 1, 2026Apr 2, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE
President, R&D
12,000460,500Mar 25, 2026Mar 27, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
PURCHASE
President, R&D
12,000$5.20$62.4K124,622Mar 25, 2026Mar 27, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE10b5-1
10b5-1 plan
12,000$20.11$241.3K112,622Mar 25, 2026Mar 27, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE10b5-1
10b5-1 plan
20,251$15.00$303.8K112,622Mar 5, 2026Mar 9, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE10b5-1
10b5-1 plan
54,345$12.77$694.2K132,873Feb 25, 2026Feb 27, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE
President, R&D
201$12.90$2.6K187,218Feb 3, 2026Feb 4, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE
President, R&D
18,251$12.26$223.7K187,419Feb 3, 2026Feb 4, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
284,760284,760Feb 2, 2026Feb 4, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
47,460205,670Feb 2, 2026Feb 4, 2026View →
TNGX
TANGO THERAPEUTICS, INC.
SALE
See Remarks
6,851$3.16$21.7K158,210Feb 5, 2025Feb 6, 2025View →
TNGX
TANGO THERAPEUTICS, INC.
SALE
See Remarks
7,432$2.99$22.2K165,061Feb 4, 2025Feb 6, 2025View →
TNGX
TANGO THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
318,090318,090Feb 3, 2025Feb 5, 2025View →
TNGX
TANGO THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
53,015172,493Feb 3, 2025Feb 5, 2025View →
TNGX
TANGO THERAPEUTICS, INC.
SALE
See Remarks
4,083$12.62$51.5K119,478Feb 7, 2024Feb 8, 2024View →
TNGX
TANGO THERAPEUTICS, INC.
SALE
See Remarks
4,288$12.56$53.9K123,561Feb 6, 2024Feb 8, 2024View →
TNGX
TANGO THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
279,593279,593Feb 1, 2024Feb 5, 2024View →
TNGX
TANGO THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
46,59946,599Feb 1, 2024Feb 5, 2024View →
TNGX
TANGO THERAPEUTICS, INC.
SALE
See Remarks
7,507$8.39$63.0K81,250Nov 1, 2023Nov 2, 2023View →
TNGX
TANGO THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
81,25081,250Mar 1, 2023Mar 2, 2023View →
TNGX
TANGO THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
487,500487,500Mar 1, 2023Mar 2, 2023View →
CCCC
C4 THERAPEUTICS, INC.
PURCHASE
Chief Medical Officer
3,75021,398Jan 30, 2023Feb 1, 2023View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
1,301$7.78$10.1K20,097Jan 30, 2023Feb 1, 2023View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
3,75018,750Jan 30, 2023Feb 1, 2023View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
1,102$7.01$7.7K17,648May 26, 2022Jun 14, 2022View →
CCCC
C4 THERAPEUTICS, INC.
PURCHASE
Chief Medical Officer
3,75018,750May 25, 2022May 27, 2022View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
3,75022,500May 25, 2022May 27, 2022View →
CCCC
C4 THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
118,000118,000Feb 14, 2022Feb 16, 2022View →
CCCC
C4 THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
26,25026,250Feb 14, 2022Feb 16, 2022View →
CCCC
C4 THERAPEUTICS, INC.
PURCHASE
Chief Medical Officer
15,000$6.49$97.3K30,000Jan 4, 2022Jan 5, 2022View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
13,946$31.59$440.5K16,054Jan 4, 2022Jan 5, 2022View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
15,000112,292Jan 4, 2022Jan 5, 2022View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
1,054$32.66$34.4K15,000Jan 4, 2022Jan 5, 2022View →
CCCC
C4 THERAPEUTICS, INC.
PURCHASE
Chief Medical Officer
5,000$6.49$32.5K15,000Dec 22, 2021Dec 23, 2021View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
5,000127,292Dec 22, 2021Dec 23, 2021View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
10,000132,292Oct 8, 2021Oct 12, 2021View →
CCCC
C4 THERAPEUTICS, INC.
PURCHASE
Chief Medical Officer
10,000$6.49$64.9K10,000Oct 8, 2021Oct 12, 2021View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
8,176$45.32$370.6K5,112Oct 1, 2021Oct 5, 2021View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
5,112$45.99$235.1K0Oct 1, 2021Oct 5, 2021View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
1,712$44.25$75.8K13,288Oct 1, 2021Oct 5, 2021View →
CCCC
C4 THERAPEUTICS, INC.
PURCHASE
Chief Medical Officer
15,000$4.98$74.7K15,000Oct 1, 2021Oct 5, 2021View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
15,000168,108Oct 1, 2021Oct 5, 2021View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
15,000$45.00$675.0K0Jul 29, 2021Aug 2, 2021View →
CCCC
C4 THERAPEUTICS, INC.
PURCHASE
Chief Medical Officer
15,000$4.98$74.7K15,000Jul 29, 2021Aug 2, 2021View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
15,000183,108Jul 29, 2021Aug 2, 2021View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
15,000142,292Jul 1, 2021Jul 6, 2021View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
1,700$38.38$65.2K0Jul 1, 2021Jul 6, 2021View →
CCCC
C4 THERAPEUTICS, INC.
PURCHASE
Chief Medical Officer
15,000$6.50$97.5K15,000Jul 1, 2021Jul 6, 2021View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
13,300$37.93$504.4K1,700Jul 1, 2021Jul 6, 2021View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
4,121$37.16$153.1K10,879Apr 5, 2021Apr 6, 2021View →
CCCC
C4 THERAPEUTICS, INC.
PURCHASE
Chief Medical Officer
15,000$6.50$97.5K15,000Apr 5, 2021Apr 6, 2021View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
15,000157,292Apr 5, 2021Apr 6, 2021View →
CCCC
C4 THERAPEUTICS, INC.
SALE
Chief Medical Officer
10,879$38.00$413.4K0Apr 5, 2021Apr 6, 2021View →
CCCC
C4 THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
87,85087,850Feb 11, 2021Feb 16, 2021View →
Other insiders · CCCC
Loading peer insiders…
About this filer
CIK 0001825445
ROLE
Chief Medical Officer
PRIMARY
CCCC
COMPANIES
2
ACTIVE SINCE
Feb 2021
MARKETPEEL · /INSIDER/0001825445DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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