6793
−$13.6K
600 sh @ $23
SUSSMAN ROBERT MARK
10% Owner · SEC CIK 923685
Insider at
SILICOM LTD
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Buy track record
How this insider's open-market purchases have performedThis insider has no open-market purchases in the records we parsed, so there's no buy track record to score. Their full filing history is below.
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Open-market buys
$2.63M
74 trades
Open-market sells
$649K
8 trades
Net flow
+$1.98M
Net buying
Total filings
82
transactions shown
Full transaction history
All Form 4 activity across every company, newest first6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $42.2K of their own money on 2,000 shares at $21, growing their stake 1%.
+$42.2K
2,000 sh @ $21
6793
−$257K
10,000 sh @ $26
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $121.5K of their own money on 5,000 shares at $24, growing their stake 2%.
+$121.5K
5,000 sh @ $24
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $117.3K of their own money on 5,000 shares at $23, growing their stake 2%.
+$117.3K
5,000 sh @ $23
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6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $82.4K of their own money on 3,500 shares at $24, growing their stake 1%.
+$82.4K
3,500 sh @ $24
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $11.3K of their own money on 500 shares at $23.
+$11.3K
500 sh @ $23
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $45.2K of their own money on 2,100 shares at $22, growing their stake 1%.
+$45.2K
2,100 sh @ $22
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $12.9K of their own money on 600 shares at $22.
+$12.9K
600 sh @ $22
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $21.5K of their own money on 1,000 shares at $21.
+$21.5K
1,000 sh @ $21
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $20.5K of their own money on 1,000 shares at $21.
+$20.5K
1,000 sh @ $21
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $41.5K of their own money on 2,000 shares at $21, growing their stake 1%.
+$41.5K
2,000 sh @ $21
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $19.2K of their own money on 1,000 shares at $19.
+$19.2K
1,000 sh @ $19
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $3.6K of their own money on 200 shares at $18.
+$3.6K
200 sh @ $18
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $39K of their own money on 2,000 shares at $20, growing their stake 1%.
+$39K
2,000 sh @ $20
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $57.4K of their own money on 3,000 shares at $19, growing their stake 1%.
+$57.4K
3,000 sh @ $19
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $16.3K of their own money on 1,000 shares at $16.
+$16.3K
1,000 sh @ $16
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $16.5K of their own money on 1,000 shares at $17.
+$16.5K
1,000 sh @ $17
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $16.9K of their own money on 1,000 shares at $17.
+$16.9K
1,000 sh @ $17
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $65.9K of their own money on 3,900 shares at $17, growing their stake 2%.
+$65.9K
3,900 sh @ $17
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $14.5K of their own money on 1,000 shares at $14.
+$14.5K
1,000 sh @ $14
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $21.7K of their own money on 1,500 shares at $14, growing their stake 1%.
+$21.7K
1,500 sh @ $14
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $29.1K of their own money on 2,000 shares at $15, growing their stake 1%.
+$29.1K
2,000 sh @ $15
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $72.8K of their own money on 5,000 shares at $15, growing their stake 2%.
+$72.8K
5,000 sh @ $15
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $28.7K of their own money on 2,000 shares at $14, growing their stake 1%.
+$28.7K
2,000 sh @ $14
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $9.8K of their own money on 800 shares at $12.
+$9.8K
800 sh @ $12
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $52.3K of their own money on 4,200 shares at $12, growing their stake 2%.
+$52.3K
4,200 sh @ $12
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $98.6K of their own money on 7,700 shares at $13, growing their stake 4%.
+$98.6K
7,700 sh @ $13
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $25.2K of their own money on 2,000 shares at $13, growing their stake 1%.
+$25.2K
2,000 sh @ $13
6793
Sussman Robert Mark, SILICOM LTD's 10% owner, spent $37.1K of their own money on 3,000 shares at $12, growing their stake 1%.
+$37.1K
3,000 sh @ $12
Frequently asked questions
How is SUSSMAN ROBERT MARK's win rate calculated?
We take every open-market purchase (SEC code P) we can match to a stock price, then compare the split- and dividend-adjusted price on the purchase date to the most recent close. The win rate is the share of those buys currently trading above the purchase price. Sales and share grants are not scored.
Why are some buys not included in the score?
A purchase is excluded if we can't price it — for example if the ticker is missing from the filing, the company has been delisted, or the security isn't a common stock we can match to market data. Excluded counts are shown next to the scored total.
What do the 1M / 3M / 6M / 12M columns mean?
They show each purchase's return after a fixed holding period — one, three, six, and twelve months from the buy date — using split- and dividend-adjusted prices. This separates good entry timing from simply holding a long-running winner. A dash means that horizon hasn't elapsed yet for that trade, or the stock couldn't be priced at that date.
Does a high win rate mean I should copy this insider?
No. Past performance does not predict future results, sample sizes are often small, and an insider's edge in their own company doesn't transfer to yours. This is context, not a recommendation. InsiderSource is not investment advice.
Where does this data come from?
Trades come from SUSSMAN ROBERT MARK's SEC Form 4 filings on EDGAR. Prices come from public market data and are split/dividend-adjusted. Always verify against the original filings before acting.