Griffiths Richard Ian — SEC Form 4 filings
SEC reporting owner CIK 1846370. 27 Form 4 filings on record with FilingPulse; latest filed 2026-08-13.
Transaction summary — filings shown
Covers all 27 filings on record, filed 2025-02-25 to 2026-08-13. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 82.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Silence Therapeutics plc (SLN) | 10% owner | 27 | — | — | 82 |
Form 4 filings — Griffiths Richard Ian
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-13 | 4 | Silence Therapeutics plc (SLN) | Sale (S): 2,792,826 (derivative) · Sale (S): 100,000 (derivative) · Sale (S): 50,000 (derivative) · Sale (S): 3,500 (derivative) · Sale (S): 800,000 (derivative) · Sale (S): 382,000 (derivative) · +5 more | EDGAR |
| 2026-07-07 | 4 | Silence Therapeutics plc (SLN) | Sale (S): 330,072 (derivative) · Sale (S): 169,928 (derivative) · Sale (S): 79,180 (derivative) · Sale (S): 50,000 (derivative) · Sale (S): 50,082 (derivative) · Sale (S): 865,112 (derivative) | EDGAR |
| 2026-02-13 | 4 | Silence Therapeutics plc (SLN) | Sale (S): 20,000 (derivative) · Purchase (P): 20,000 (derivative) · Sale (S): 2,000 (derivative) · Purchase (P): 2,000 (derivative) | EDGAR |
| 2025-08-04 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 14,342 (derivative) · Purchase (P): 4,034 (derivative) | EDGAR |
| 2025-07-31 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 14,559 (derivative) · Purchase (P): 8,923 (derivative) | EDGAR |
| 2025-07-23 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 22,435 (derivative) · Purchase (P): 2,910 (derivative) | EDGAR |
| 2025-07-16 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 28,000 (derivative) · Purchase (P): 43,293 (derivative) | EDGAR |
| 2025-07-10 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 7,937 (derivative) · Purchase (P): 24,387 (derivative) · Purchase (P): 30,133 (derivative) | EDGAR |
| 2025-06-30 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 65,739 (derivative) · Purchase (P): 20,735 (derivative) · Purchase (P): 24,000 (derivative) | EDGAR |
| 2025-06-25 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 20,977 (derivative) · Purchase (P): 35,005 (derivative) · Purchase (P): 26,624 (derivative) | EDGAR |
| 2025-06-20 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 31,399 (derivative) · Purchase (P): 39,049 (derivative) | EDGAR |
| 2025-06-13 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 39,305 (derivative) | EDGAR |
| 2025-05-29 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 26,669 (derivative) · Purchase (P): 50,000 (derivative) · Purchase (P): 9,169 (derivative) | EDGAR |
| 2025-05-27 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 19,174 (derivative) · Purchase (P): 17,187 (derivative) | EDGAR |
| 2025-05-21 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 37,023 (derivative) · Purchase (P): 26,000 (derivative) · Purchase (P): 16,000 (derivative) | EDGAR |
| 2025-05-15 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 94,234 (derivative) · Purchase (P): 55,766 (derivative) | EDGAR |
| 2025-05-08 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 100,000 (derivative) · Purchase (P): 100,000 (derivative) · Purchase (P): 50,000 (derivative) | EDGAR |
| 2025-05-02 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 34,309 (derivative) · Purchase (P): 75,266 (derivative) | EDGAR |
| 2025-04-30 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 95,211 (derivative) · Purchase (P): 54,768 (derivative) | EDGAR |
| 2025-04-28 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 90,432 (derivative) · Purchase (P): 59,568 (derivative) | EDGAR |
| 2025-04-24 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 50,000 (derivative) · Purchase (P): 50,000 (derivative) | EDGAR |
| 2025-04-22 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 50,000 (derivative) · Purchase (P): 100,000 (derivative) | EDGAR |
| 2025-04-15 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 25,193 (derivative) · Purchase (P): 56,480 (derivative) · Purchase (P): 40,409 (derivative) · Purchase (P): 50,000 (derivative) · Purchase (P): 27,918 (derivative) | EDGAR |
| 2025-04-01 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 100,000 (derivative) | EDGAR |
| 2025-03-31 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 50,000 (derivative) · Purchase (P): 50,000 (derivative) · Purchase (P): 100,000 (derivative) | EDGAR |
| 2025-03-06 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 22,632 (derivative) | EDGAR |
| 2025-02-25 | 4 | Silence Therapeutics plc (SLN) | Purchase (P): 30,000 (derivative) · Purchase (P): 150,000 (derivative) · Purchase (P): 25,000 (derivative) · Purchase (P): 20,000 (derivative) · Purchase (P): 12,226 (derivative) · Purchase (P): 92,774 (derivative) · +2 more | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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