Who
Donna Roy Grogan
Director
Company insider
Files Form 4 as: Director, C4 Therapeutics; Director, Momenta Pharmaceuticals.
In numbers
- Trades disclosed
- 30
- Buys
- 0
- Sells
- 0
- Bought
- $0
- Sold
- $0
- Companies
- 2
- Companies where not an officer
- 2
- First trade
- 18 Sep 2019
- Last trade
- 1 Oct 2026
- Last filed
- 2 Oct 2026
Companies traded
Activity over time
Not enough dated trades to draw.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 1 Oct 2026filed 2 Oct 2026 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Code A | $15K4,618 at $3.14 | filing |
| 1 Jul 2026filed 2 Jul 2026 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Code A | $14K3,341 at $4.34 | filing |
| 1 Jul 2026filed 2 Jul 2026 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Code A | $14K3,341 at $4.34 | filing |
| 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 |
| 1 Apr 2026filed 3 Apr 2026 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Code A | $14K5,370 at $2.70 | filing |
| 1 Apr 2026filed 3 Apr 2026 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Code A | $14K5,370 at $2.70 | filing |
| 2 Jan 2026filed 5 Jan 2026 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Code A | $15K7,513 at $1.93 | filing |
| 2 Jan 2026filed 5 Jan 2026 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Code A | $15K7,513 at $1.93 | filing |
| 1 Oct 2025filed 3 Oct 2025 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Code A | $14K6,740 at $2.15 | filing |
| 1 Jul 2025filed 2 Jul 2025 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Code A | $15K9,609 at $1.51 | filing |
| 18 Jun 2025filed 20 Jun 2025 | CCCC C4 Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —35,500 at $0.00 | filing |
| 1 Apr 2025filed 3 Apr 2025 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Code A | $14K9,581 at $1.44 | filing |
| 2 Jan 2025filed 3 Jan 2025 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Code A | $14K3,757 at $3.66 | filing |
| 1 Oct 2024filed 2 Oct 2024 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Code A | $14K2,474 at $5.56 | filing |
| 1 Jul 2024filed 2 Jul 2024 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Code A | $14K2,836 at $4.85 | filing |
| 20 Jun 2024filed 21 Jun 2024 | CCCC C4 Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —32,500 at $0.00 | filing |
| 1 Apr 2024filed 2 Apr 2024 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Code A | $14K1,697 at $8.10 | filing |
| 2 Jan 2024filed 3 Jan 2024 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Code A | $14K2,108 at $6.52 | filing |
| 2 Oct 2023filed 3 Oct 2023 | CCCC C4 TherapeuticsBiotechnology | SEC FORM 4 Code A | $14K8,089 at $1.70 | filing |
News
No headline names them, or the companies they trade most, lately.
Sectors
No trade we could place in a sector.