Who
Utpal Koppikar
Director
Company insider
Files Form 4 as: Director, C4 Therapeutics; Chief Financial Officer, Atara Biotherapeutics; Director, Flexion Therapeutics.
In numbers
- Trades disclosed
- 45
- Buys
- 2
- Sells
- 21
- Bought
- $105K
- Sold
- $705K
- Companies
- 3
- Companies where not an officer
- 2
- First trade
- 7 Jun 2018
- Last trade
- 24 Jun 2026
- Last filed
- 26 Jun 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 24 Jun 2026filed 26 Jun 2026 | CCCC C4 Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —62,000 at $0.00 | filing |
| 24 Jun 2026filed 26 Jun 2026 | CCCC C4 Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —62,000 at $0.00 | filing |
| 18 Jun 2025filed 20 Jun 2025 | CCCC C4 Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —35,500 at $0.00 | filing |
| 20 Jun 2024filed 21 Jun 2024 | CCCC C4 Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —32,500 at $0.00 | filing |
| 15 Jun 2023filed 16 Jun 2023 | CCCC C4 Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —26,000 at $0.00 | filing |
| 2 Mar 2023filed 6 Mar 2023 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $25K6,871 at $3.63 | filing |
| 8 Feb 2023filed 10 Feb 2023 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Bought | $32K5,667 at $5.60 | filing |
| 7 Feb 2023filed 9 Feb 2023 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $14K2,485 at $5.46 | filing |
| 16 Nov 2022filed 18 Nov 2022 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $23K5,172 at $4.49 | filing |
| 16 Nov 2022filed 18 Nov 2022 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $4,8631,083 at $4.49 | filing |
| 16 Aug 2022filed 18 Aug 2022 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $30K5,940 at $5.04 | filing |
| 8 Jun 2022filed 10 Jun 2022 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $33K5,853 at $5.63 | filing |
| 17 May 2022filed 19 May 2022 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $25K4,616 at $5.32 | filing |
| 17 May 2022filed 19 May 2022 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $5,139966 at $5.32 | filing |
| 16 Mar 2022filed 17 Mar 2022 | CCCC C4 Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —41,200 at $0.00 | filing |
| 1 Mar 2022filed 3 Mar 2022 | ATRA Atara Biotherapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —115,107 at $0.00 | filing |
| 1 Mar 2022filed 3 Mar 2022 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Code A | —61,235 at $0.00 | filing |
| 1 Mar 2022filed 3 Mar 2022 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $22K2,272 at $9.86 | filing |
| 1 Mar 2022filed 3 Mar 2022 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $15K1,491 at $9.86 | filing |
| 7 Feb 2022filed 9 Feb 2022 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $36K2,496 at $14.46 | filing |
News
Head-To-Head Comparison: ACADIA Pharmaceuticals (NASDAQ:ACAD) versus C4 Therapeutics (NASDAQ:CCCC)CCCC · tickerreport.com · 19 Oct 2026Critical Review: ACADIA Pharmaceuticals (NASDAQ:ACAD) and C4 Therapeutics (NASDAQ:CCCC)CCCC · dailypolitical.com · 15 Oct 2026
0 headlines in the last 90 days name Utpal Koppikar; 2 articles from the last 14 days about the 2 companies they traded most, at most three about any one of them.