Griffiths Richard Ian
CIK: 0001846370
Primary company: Silence Therapeutics plc (SLN)
Griffiths Richard Ian is a corporate insider at Silence Therapeutics plc (SLN) filing SEC Form 4 transactions. 82 transactions, totaling $9,101,861 in purchases and $0 in sales. Source: SEC EDGAR.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
| Sale | 300,000 | $16.00 | $4.80M | 4,797,166 | 8/10/2026 Filed: 8/10/2026 | Filing → | |
| Sale | 180,000 | $16.35 | $2.94M | 4,897,166 | 8/10/2026 Filed: 8/10/2026 | Filing → | |
| Sale | 360,000 | $16.00 | $5.76M | 4,957,166 | 8/10/2026 Filed: 8/10/2026 | Filing → | |
| Sale | 1,815,522 | $16.00 | $29.05M | 5,077,166 | 8/10/2026 Filed: 8/10/2026 | Filing → | |
| Sale | 1,412,460 | $16.09 | $22.73M | 5,682,340 | 8/10/2026 Filed: 8/10/2026 | Filing → | |
| Sale | 1,146,000 | $16.00 | $18.34M | 6,153,160 | 8/10/2026 Filed: 8/10/2026 | Filing → | |
| Sale | 2,400,000 | $16.00 | $38.40M | 6,535,160 | 8/10/2026 Filed: 8/10/2026 | Filing → | |
| Sale | 10,500 | $16.35 | $172K | 7,335,160 | 8/10/2026 Filed: 8/10/2026 | Filing → | |
| Sale | 150,000 | $16.09 | $2.41M | 7,338,660 | 8/10/2026 Filed: 8/10/2026 | Filing → | |
| Sale | 300,000 | $15.58 | $4.67M | 7,388,660 | 8/10/2026 Filed: 8/10/2026 | Filing → | |
| Sale | 8,378,478 | $16.00 | $134.06M | 7,488,660 | 8/10/2026 Filed: 8/10/2026 | Filing → | |
| Sale | 2,595,336 | $10.53 | $27.33M | 10,281,486 | 7/6/2026 Filed: 6/29/2026 | Filing → | |
| Sale | 150,246 | $10.47 | $1.57M | 11,146,598 | 7/2/2026 Filed: 6/29/2026 | Filing → | |
| Sale | 150,000 | $10.62 | $1.59M | 11,196,680 | 7/1/2026 Filed: 6/29/2026 | Filing → | |
| Sale | 237,540 | $10.62 | $2.52M | 11,246,680 | 7/1/2026 Filed: 6/29/2026 | Filing → | |
| Sale | 509,784 | $10.76 | $5.49M | 11,325,860 | 6/30/2026 Filed: 6/29/2026 | Filing → | |
| Sale | 990,216 | $10.69 | $10.59M | 11,495,788 | 6/29/2026 Filed: 6/29/2026 | Filing → | |
| Purchase | 4,034 | - | - | 11,825,861 | 8/1/2025 Filed: 8/4/2025 | Filing → | |
| Purchase | 14,342 | - | - | 11,821,827 | 7/31/2025 Filed: 8/4/2025 | Filing → | |
| Purchase | 6,000 | $7.75 | $47K | 11,825,861 | 10/27/2025 Filed: 8/3/2025 | Filing → |
Type
Sale
Shares
300,000
Price
$16.00
Value
$4.80M
Type
Sale
Shares
180,000
Price
$16.35
Value
$2.94M
Type
Sale
Shares
360,000
Price
$16.00
Value
$5.76M
Type
Sale
Shares
1,815,522
Price
$16.00
Value
$29.05M
Type
Sale
Shares
1,412,460
Price
$16.09
Value
$22.73M
Type
Sale
Shares
1,146,000
Price
$16.00
Value
$18.34M
Type
Sale
Shares
2,400,000
Price
$16.00
Value
$38.40M
Type
Sale
Shares
10,500
Price
$16.35
Value
$172K
Type
Sale
Shares
150,000
Price
$16.09
Value
$2.41M
Type
Sale
Shares
300,000
Price
$15.58
Value
$4.67M
Type
Sale
Shares
8,378,478
Price
$16.00
Value
$134.06M
Type
Sale
Shares
2,595,336
Price
$10.53
Value
$27.33M
Type
Sale
Shares
150,246
Price
$10.47
Value
$1.57M
Type
Sale
Shares
150,000
Price
$10.62
Value
$1.59M
Type
Sale
Shares
237,540
Price
$10.62
Value
$2.52M
Type
Sale
Shares
509,784
Price
$10.76
Value
$5.49M
Type
Sale
Shares
990,216
Price
$10.69
Value
$10.59M
Type
Purchase
Shares
4,034
Price
-
Value
-
Type
Purchase
Shares
14,342
Price
-
Value
-
Type
Purchase
Shares
6,000
Price
$7.75
Value
$47K
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