Silicom Ltd. (SILC) Insider Trading
Over the last 3 months, SILC insiders made 0 open-market buys and 8 sales, a net sale of -$1.3M (SEC Form 4). Over the last 6 months, 11 institutions increased and 17 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
8
Net (3m)
-$1.3M
Insider trades by month Buys Sells
Sep
Nov
Dec
Apr
May
May
Context3-month price +116.7%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 18, 2026 | Castiel Davidofficer: VP Engineering | Sell | 2,000 | $48.00 |
| May 18, 2026 | COHEN DANIEL (DC)officer: EVP Operation | Sell | 15 | $52.00 |
| May 18, 2026 | Hendel Davidofficer: VP R&D | Sell | 1,000 | $49.00 |
| May 14, 2026 | Hendel Davidofficer: VP R&D | Sell | 500 | $44.50 |
| May 11, 2026 | Gilad Eranofficer: CFO | Sell | 6,000 | $44.18 |
| May 11, 2026 | Eizenman Avinoamdirector | Sell | 9,023 | $44.66 |
| May 11, 2026 | Hendel Davidofficer: VP R&D | Sell | 500 | $45.00 |
| May 11, 2026 | Eizenman Lironofficer: President and CEO | Sell | 8,900 | $45.23 |
| May 1, 2007 | SUSSMAN ROBERT MARK10 percent owner | Sell | 600 | $22.65 |
| May 1, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 2,000 | $21.11 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 4,600 | $15.00 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 2,500 | $12.25 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 500 | $22.60 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 3,500 | $23.55 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 1,000 | $16.25 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 3,000 | $21.25 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 5,000 | $24.30 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 10,000 | $21.25 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Sell | 8,500 | $14.65 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 400 | $15.00 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 4,000 | $15.15 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Sell | 10,000 | $25.70 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 600 | $21.50 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 2,000 | $20.75 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 200 | $17.86 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 3,900 | $16.90 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 1,500 | $14.46 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 1,800 | $11.97 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 2,100 | $21.50 |
| Apr 30, 2007 | SUSSMAN ROBERT MARK10 percent owner | Buy | 8,500 | $14.65 |
Source: SILC SEC Form 4 filings, latest May 18, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their SILC positions over the last 6 months (SEC Form 13F).
Increased
11
New positions
16
Reduced
17
Sold out
16
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| SYSTEMATIC FINANCIAL MANAGEMENT LP | Reduced | 551K | Feb 9, 2026 |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | Reduced | 537K | May 13, 2026 |
| FIRST WILSHIRE SECURITIES MANAGEMENT INC | Increased | 316K | May 12, 2026 |
| FIRST WILSHIRE SECURITIES MANAGEMENT INC | Reduced | 305K | Feb 12, 2026 |
| HUDSON BAY CAPITAL MANAGEMENT LP | New Position | 225K | Feb 13, 2026 |
| YELIN LAPIDOT HOLDINGS MANAGEMENT LTD. | Unchanged | 206K | Feb 5, 2026 |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | Increased | 191K | May 15, 2026 |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | New Position | 180K | Feb 6, 2026 |
| HERALD INVESTMENT MANAGEMENT LTD | Unchanged | 125K | Feb 13, 2026 |
| HERALD INVESTMENT MANAGEMENT LTD | Reduced | 123K | May 13, 2026 |
| MORGAN STANLEY | Increased | 102K | May 15, 2026 |
| MORGAN STANLEY | Reduced | 99K | Feb 13, 2026 |
| MARSHALL WACE, LLP | New Position | 90K | May 15, 2026 |
| YELIN LAPIDOT HOLDINGS MANAGEMENT LTD. | Reduced | 74K | Apr 22, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | Unchanged | 56K | May 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.