SLN insider transaction filings
Silence Therapeutics plc — 35 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-13. Screen SLN transaction legs live →
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-13 | 4 | Griffiths Richard Ian — 10% owner | 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 | Griffiths Richard Ian — 10% owner | 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 | Griffiths Richard Ian — 10% owner | Sale (S): 20,000 (derivative) · Purchase (P): 20,000 (derivative) · Sale (S): 2,000 (derivative) · Purchase (P): 2,000 (derivative) | EDGAR |
| 2026-01-06 | 4 | Ede-Golightly James — Director | Grant/award (A): 90,000 (derivative) @ $0 | EDGAR |
| 2026-01-06 | 4 | HELLUMS RHONDA LYNETTE — Chief Financial Officer, Director | Grant/award (A): 375,000 (derivative) @ $0 | EDGAR |
| 2026-01-06 | 4 | Lemus David — Director | Grant/award (A): 90,000 (derivative) @ $0 | EDGAR |
| 2026-01-06 | 4 | Romano Steven J. — EVP and Chief R&D Officer | Grant/award (A): 300,000 (derivative) @ $0 | EDGAR |
| 2026-01-06 | 4 | MCINERNEY TIMOTHY — Director | Grant/award (A): 90,000 (derivative) @ $0 | EDGAR |
| 2025-12-22 | 4 | Ede-Golightly James — Director | Grant/award (A): 90,000 (derivative) @ $0 | EDGAR |
| 2025-12-22 | 4 | Ross Iain — Interim PEO, Director | Grant/award (A): 900,000 (derivative) @ $0 | EDGAR |
| 2025-08-04 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 14,342 (derivative) · Purchase (P): 4,034 (derivative) | EDGAR |
| 2025-07-31 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 14,559 (derivative) · Purchase (P): 8,923 (derivative) | EDGAR |
| 2025-07-23 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 22,435 (derivative) · Purchase (P): 2,910 (derivative) | EDGAR |
| 2025-07-16 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 28,000 (derivative) · Purchase (P): 43,293 (derivative) | EDGAR |
| 2025-07-10 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 7,937 (derivative) · Purchase (P): 24,387 (derivative) · Purchase (P): 30,133 (derivative) | EDGAR |
| 2025-06-30 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 65,739 (derivative) · Purchase (P): 20,735 (derivative) · Purchase (P): 24,000 (derivative) | EDGAR |
| 2025-06-25 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 20,977 (derivative) · Purchase (P): 35,005 (derivative) · Purchase (P): 26,624 (derivative) | EDGAR |
| 2025-06-20 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 31,399 (derivative) · Purchase (P): 39,049 (derivative) | EDGAR |
| 2025-06-13 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 39,305 (derivative) | EDGAR |
| 2025-05-29 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 26,669 (derivative) · Purchase (P): 50,000 (derivative) · Purchase (P): 9,169 (derivative) | EDGAR |
| 2025-05-27 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 19,174 (derivative) · Purchase (P): 17,187 (derivative) | EDGAR |
| 2025-05-21 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 37,023 (derivative) · Purchase (P): 26,000 (derivative) · Purchase (P): 16,000 (derivative) | EDGAR |
| 2025-05-20 | 4 | MCINERNEY TIMOTHY — Director | Grant/award (A): 48,000 (derivative) @ $0 | EDGAR |
| 2025-05-15 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 94,234 (derivative) · Purchase (P): 55,766 (derivative) | EDGAR |
| 2025-05-08 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 100,000 (derivative) · Purchase (P): 100,000 (derivative) · Purchase (P): 50,000 (derivative) | EDGAR |
| 2025-05-02 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 34,309 (derivative) · Purchase (P): 75,266 (derivative) | EDGAR |
| 2025-04-30 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 95,211 (derivative) · Purchase (P): 54,768 (derivative) | EDGAR |
| 2025-04-28 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 90,432 (derivative) · Purchase (P): 59,568 (derivative) | EDGAR |
| 2025-04-24 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 50,000 (derivative) · Purchase (P): 50,000 (derivative) | EDGAR |
| 2025-04-22 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 50,000 (derivative) · Purchase (P): 100,000 (derivative) | EDGAR |
| 2025-04-15 | 4 | Griffiths Richard Ian — 10% owner | 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 | Griffiths Richard Ian — 10% owner | Purchase (P): 100,000 (derivative) | EDGAR |
| 2025-03-31 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 50,000 (derivative) · Purchase (P): 50,000 (derivative) · Purchase (P): 100,000 (derivative) | EDGAR |
| 2025-03-06 | 4 | Griffiths Richard Ian — 10% owner | Purchase (P): 22,632 (derivative) | EDGAR |
| 2025-02-25 | 4 | Griffiths Richard Ian — 10% owner | 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 |
Recent 8-K events — Silence Therapeutics plc
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-12 | 8-K | 1.01 — Entry into a Material Definitive Agreement 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-10 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-10 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-16 | 8-K/A | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-06-23 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-16 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-06-11 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-18 | 8-K | 1.01 — Entry into a Material Definitive Agreement 1.02 — Termination of a Material Definitive Agreement 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-07 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-05 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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