Insider Trading › CEMI › Insiders
CEMI
CEMI·Insider activity
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No end-of-day price on record
CEMI
Insider purchases and sales on the price
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
CEMIS&P 500 (rebased)
Insider BuyInsider SellForm 144 · planned sale
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
No open-market insider purchases or sales of CEMI were filed in the last 180 days. Newest filing Apr 25, 2023 (3 years ago).
Net Insider Buying by Quarter
Shares bought (+) or sold (−) on the open market by CEMI insiders · Form 4 · last two years
No open-market insider buys or sells in the last two years.
On Record
$0Purchases · 180 days
$0Sales · 180 days
88Open-market transactions on record
0Insiders filing · 180 days
Purchases (code P) and sales (code S) of CEMI common stock reported on Form 4, with Form 5 annual catch-ups. Grants, option exercises, gifts and tax withholding are not shown. Dollars are shares × the stated price; a price outside anything the stock traded at that day is withheld (n/c).
Insider Transactions
88 on record · newest trade first
AllPurchasesSalesOfficers & directors
| Insider | Type | Shares | Price | Value | Held after | Traded | Filed | |
|---|---|---|---|---|---|---|---|---|
| EDELMAN JOSEPH10% owner | Purchase | +133.7K | $0.45 | $60K | 5.2Mindirect | Apr 25, 2023 | Apr 25, 2023 | Form 4 ↗ |
| EDELMAN JOSEPH10% owner | Purchase | +39.5K | $0.45 | $18K | 5.0Mindirect | Apr 24, 2023 | Apr 25, 2023 | Form 4 ↗ |
| EDELMAN JOSEPH10% owner | Purchase | +70.2K | $0.45 | $32K | 5.0Mindirect | Apr 21, 2023 | Apr 25, 2023 | Form 4 ↗ |
| Perceptive Credit Advisors, LLC10% owner | Purchase | +56.0K | $0.45 | $25K | 4.9Mindirect | Apr 20, 2023 | Apr 20, 2023 | Form 4 ↗ |
| Perceptive Credit Advisors, LLC10% owner | Purchase | +137.0K | $0.45 | $62K | 4.9Mindirect | Apr 19, 2023 | Apr 20, 2023 | Form 4 ↗ |
| Perceptive Credit Advisors, LLC10% owner | Purchase | +15.8K | $0.45 | $7K | 4.7Mindirect | Apr 18, 2023 | Apr 20, 2023 | Form 4 ↗ |
| Perceptive Credit Advisors, LLC10% owner | Purchase | +4,800 | $0.45 | $2K | 4.7Mindirect | Apr 17, 2023 | Apr 17, 2023 | Form 4 ↗ |
| Perceptive Credit Advisors, LLC10% owner | Purchase | +11.5K | $0.45 | $5K | 4.7Mindirect | Apr 14, 2023 | Apr 17, 2023 | Form 4 ↗ |
| Perceptive Credit Advisors, LLC10% owner | Purchase | +140.1K | $0.45 | $63K | 4.7Mindirect | Apr 13, 2023 | Apr 17, 2023 | Form 4 ↗ |
| Perceptive Credit Advisors, LLC10% owner | Purchase | +129.0K | $0.44 | $57K | 4.6Mindirect | Apr 11, 2023 | Apr 13, 2023 | Form 4 ↗ |
| PERCEPTIVE ADVISORS LLC10% owner | Purchase | +339.0K | $0.44 | $149K | 4.4Mindirect | Apr 6, 2023 | Apr 6, 2023 | Form 4 ↗ |
| PERCEPTIVE ADVISORS LLC10% owner | Purchase | +217.5K | $0.45 | $98K | 4.1Mindirect | Apr 5, 2023 | Apr 6, 2023 | Form 4 ↗ |
| PERCEPTIVE ADVISORS LLC10% owner | Purchase | +195.9K | $0.44 | $86K | 3.9Mindirect | Apr 4, 2023 | Apr 6, 2023 | Form 4 ↗ |
| Potthoff John GaryDirector | Purchase | +10.0K | $4.44 | $44K | 37.8Kdirect | Nov 11, 2019 | Nov 13, 2019 | Form 4 ↗ |
| Esfandiari JavanSee Remarks | Sale | −9,744 | $6.95 | $68K | 108.8Kdirect | May 24, 2019 | May 24, 2019 | Form 4 ↗ |
| Esfandiari JavanSee Remarks | Sale | −13.0K | $7.15 | $93K | 118.5Kdirect | May 23, 2019 | May 24, 2019 | Form 4 ↗ |
| Esfandiari JavanSee Remarks | Sale | −7,300 | $7.41 | $54K | 131.5Kdirect | May 22, 2019 | May 24, 2019 | Form 4 ↗ |
| Potthoff John GaryDirector | Purchase | +15.0K | $5.81 | $87K | 27.8Kdirect | Nov 14, 2018 | Nov 16, 2018 | Form 4 ↗ |
| Potthoff John GaryDirector | Purchase | +5,000 | $5.80 | $29K | 27.8Kdirect | Nov 14, 2018 | Nov 16, 2018 | Form 4 ↗ |
| Passas RobertSee Remarks | Purchase | +15.0K | $6.75 | $101K | 15.0Kdirect | Nov 5, 2018 | Nov 6, 2018 | Form 4 ↗ |
| Goldman Neil AEVP & Chief Financial Officer | Purchase | +14.8K | n/c | — | 14.8Kdirect | Feb 13, 2018 | Feb 13, 2018 | Form 4 ↗ |
| PESSIN NORMAN H | Purchase | +6,250 | $5.76 | $36K | 1.2Mdirect | Jun 28, 2017 | Jun 29, 2017 | Form 4 ↗ |
| PESSIN NORMAN H | Purchase | +3,000 | $7.16 | $21K | 1.1Mdirect | Oct 11, 2016 | Jun 29, 2017 | Form 4 ↗ |
| PESSIN NORMAN H | Purchase | +27.0K | $5.23 | $141K | 1.1Mdirect | Aug 16, 2016 | Jun 29, 2017 | Form 4 ↗ |
| Klugewicz Sharon WChief Operating Officer | Sale | −3,000 | $8.40 | $25K | 7,000direct | Jun 15, 2016 | Jun 17, 2016 | Form 4 ↗ |
| Esfandiari JavanChief Science/Tech Officer | Sale | −12.0K | $8.56 | $103K | 67.1Kdirect | Jun 1, 2016 | Jun 2, 2016 | Form 4 ↗ |
| Esfandiari JavanChief Science/Tech Officer | Sale | −13.0K | $8.59 | $112K | 79.1Kdirect | May 31, 2016 | Jun 2, 2016 | Form 4 ↗ |
| Esfandiari JavanChief Science/Technology Offic | Sale | −20.0K | $4.50 | $90K | 92.1Kdirect | May 29, 2015 | May 29, 2015 | Form 4 ↗ |
| KISSINGER PETERDirector | Purchase | +1,800 | $4.31 | $8K | 1,800direct | Nov 19, 2014 | Nov 21, 2014 | Form 4 ↗ |
| Klugewicz Sharon WChief Operating Officer | Purchase | +10.0K | $3.50 | $35K | 10.0Kdirect | Feb 26, 2014 | Feb 28, 2014 | Form 4 ↗ |
| Larkin Richard JChief Financial Officer | Sale | −10.0K | $3.50 | $35K | 20.4Kdirect | Feb 26, 2014 | Feb 28, 2014 | Form 4 ↗ |
| Esfandiari JavanSenior Vice President | Sale Amended | −3,000 | $3.40 | $10K | 83.5Kdirect | Dec 6, 2013 | Feb 3, 2014 | Form 4 ↗ |
| Esfandiari JavanSenior Vice President | Sale | −3,000 | $3.40 | $10K | 78.4Kdirect | Dec 6, 2013 | Dec 6, 2013 | Form 4 ↗ |
| Esfandiari JavanSenior Vice President | Sale Amended | −7,000 | $3.40 | $24K | 86.5Kdirect | Dec 5, 2013 | Feb 3, 2014 | Form 4 ↗ |
| Esfandiari JavanSenior Vice President | Sale | −7,000 | $3.40 | $24K | 81.4Kdirect | Dec 5, 2013 | Dec 6, 2013 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Sale | −15.0K | $3.55 | $53K | 789.5Kdirect | Nov 11, 2013 | Nov 12, 2013 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Sale | −15.0K | $3.71 | $56K | 804.5Kdirect | Nov 8, 2013 | Nov 12, 2013 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Sale | −3,100 | $4.34 | $13K | 794.0Kdirect | Sep 14, 2012 | Sep 14, 2012 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Sale | −4,650 | $4.42 | $21K | 797.1Kdirect | Sep 13, 2012 | Sep 14, 2012 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Sale | −100 | $4.39 | $439 | 801.8Kdirect | Sep 13, 2012 | Sep 14, 2012 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Sale | −100 | $4.38 | $438 | 801.9Kdirect | Sep 13, 2012 | Sep 14, 2012 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Sale | −3,705 | $4.35 | $16K | 802.0Kdirect | Sep 13, 2012 | Sep 14, 2012 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Sale | −100 | $4.39 | $439 | 805.7Kdirect | Sep 12, 2012 | Sep 14, 2012 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Sale | −1,000 | $4.35 | $4K | 805.8Kdirect | Sep 11, 2012 | Sep 11, 2012 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Sale | −20 | $4.44 | $89 | 806.8Kdirect | Sep 10, 2012 | Sep 11, 2012 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Sale | −2,000 | $4.40 | $9K | 806.8Kdirect | Sep 10, 2012 | Sep 11, 2012 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Sale | −6,100 | $4.40 | $27K | 808.8Kdirect | Sep 7, 2012 | Sep 11, 2012 | Form 4 ↗ |
| Esfandiari JavanSenior Vice President | Sale | −10.0K | $4.42 | $44K | 88.4Kdirect | Sep 7, 2012 | Sep 10, 2012 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Purchase | +1,100 | $0.44 | $484 | 6.5Mdirect | Dec 9, 2011 | Dec 12, 2011 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Purchase | +18.9K | $0.43 | $8K | 6.5Mdirect | Dec 9, 2011 | Dec 12, 2011 | Form 4 ↗ |
| Esfandiari JavanSenior Vice President | Sale | −30.0K | $0.40 | $12K | 287.6Kdirect | Dec 8, 2011 | Dec 9, 2011 | Form 4 ↗ |
| Esfandiari JavanSenior Vice President | Sale | −50.0K | $0.40 | $20K | 317.6Kdirect | Dec 7, 2011 | Dec 9, 2011 | Form 4 ↗ |
| Meller GaryDirector | Purchase | +50.0K | $0.40 | $20K | 465.0Kdirect | Dec 7, 2011 | Dec 9, 2011 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Purchase | +10.0K | $0.42 | $4K | 6.5Mdirect | Dec 5, 2011 | Dec 7, 2011 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Purchase | +10.7K | $0.42 | $5K | 6.5Mdirect | Dec 5, 2011 | Dec 7, 2011 | Form 4 ↗ |
| Esfandiari JavanSenior Vice President | Sale | −41.0K | $0.39 | $16K | 220.1Kdirect | Mar 15, 2011 | Mar 16, 2011 | Form 4 ↗ |
| Esfandiari JavanSenior Vice President | Sale | −8,982 | $0.41 | $4K | 261.1Kdirect | Mar 14, 2011 | Mar 16, 2011 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Purchase | +50.0K | $0.42 | $21K | 6.3Mdirect | Mar 14, 2011 | Mar 15, 2011 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Purchase | +15.0K | $0.42 | $6K | 6.3Mdirect | Mar 11, 2011 | Mar 15, 2011 | Form 4 ↗ |
| Meller GaryDirector | Purchase | +15.0K | n/c | — | 415.0Kdirect | Dec 15, 2010 | Dec 17, 2010 | Form 4 ↗ |
| Davis Katherine LyonDirector | Purchase | +5,000 | $0.23 | $1K | 87.7Kdirect | Jun 11, 2010 | Jun 15, 2010 | Form 4 ↗ |
| Davis Katherine LyonDirector | Purchase | +7,500 | $0.22 | $2K | 82.7Kdirect | Jun 11, 2010 | Jun 15, 2010 | Form 4 ↗ |
| Meller GaryDirector | Purchase | +100.0K | — | — | 400.0Kdirect | May 14, 2010 | May 19, 2010 | Form 4 ↗ |
| Davis Katherine LyonDirector | Purchase | +40.0K | $0.20 | $8K | 75.2Kdirect | May 12, 2010 | May 14, 2010 | Form 4 ↗ |
| Davis Katherine LyonDirector | Purchase | +15.2K | $0.20 | $3K | 35.2Kdirect | May 10, 2010 | May 12, 2010 | Form 4 ↗ |
| Davis Katherine LyonDirector | Purchase | +20.0K | $0.21 | $4K | 20.0Kdirect | May 10, 2010 | May 12, 2010 | Form 4 ↗ |
| Meller GaryDirector | Purchase | +100.0K | $0.18 | $18K | 295.3Kdirect | Aug 25, 2009 | Aug 26, 2009 | Form 4 ↗ |
| Meller GaryDirector | Purchase | +4,700 | $0.14 | $658 | 300.0Kdirect | Dec 1, 2008 | Oct 30, 2009 | Form 4 ↗ |
| Meller GaryDirector | Purchase | +11.8K | $0.14 | $2K | 195.3Kdirect | Nov 20, 2008 | Nov 24, 2008 | Form 4 ↗ |
| Meller GaryDirector | Purchase | +83.5K | $0.15 | $13K | 183.5Kdirect | Nov 14, 2008 | Nov 18, 2008 | Form 4 ↗ |
| Siebert Lawrence A.President · Director · 10% owner | Purchase | +100.0K | n/c | — | 6.4Mdirect | Sep 8, 2008 | Sep 9, 2008 | Form 4 ↗ |
| Siebert Lawrence A.CEO · Director · 10% owner | Purchase | +386.0K | $0.12 | $46K | 6.0Mdirect | May 19, 2008 | May 19, 2008 | Form 4 ↗ |
| Siebert Lawrence A.CEO · Director · 10% owner | Purchase | +10.0K | $0.12 | $1K | 5.6Mdirect | May 19, 2008 | May 19, 2008 | Form 4 ↗ |
| Siebert Lawrence A.CEO · Director · 10% owner | Purchase | +4,000 | $0.11 | $440 | 5.6Mdirect | May 19, 2008 | May 19, 2008 | Form 4 ↗ |
| Siebert Lawrence A.CEO · Director · 10% owner | Purchase | +5,000 | $0.12 | $600 | 5.6Mdirect | May 16, 2008 | May 19, 2008 | Form 4 ↗ |
| Siebert Lawrence A.CEO · Director · 10% owner | Purchase | +120.0K | $0.11 | $13K | 5.6Mdirect | May 16, 2008 | May 19, 2008 | Form 4 ↗ |
| Siebert Lawrence A.CEO · Director · 10% owner | Purchase | +25.8K | $0.10 | $3K | 5.5Mdirect | May 16, 2008 | May 19, 2008 | Form 4 ↗ |
| Siebert Lawrence A.CEO · Director · 10% owner | Purchase | +10.0K | $0.09 | $900 | 5.5Mdirect | May 16, 2008 | May 19, 2008 | Form 4 ↗ |
| Siebert Lawrence A.CEO · Director · 10% owner | Purchase | +20.0K | $0.09 | $2K | 5.5Mdirect | May 16, 2008 | May 19, 2008 | Form 4 ↗ |
| Siebert Lawrence A.CEO · Director · 10% owner | Purchase | +20.0K | $0.08 | $2K | 5.4Mdirect | May 16, 2008 | May 19, 2008 | Form 4 ↗ |
| Siebert Lawrence A.CEO · Director · 10% owner | Purchase | +200.0K | $0.08 | $16K | 5.4Mdirect | May 15, 2008 | May 19, 2008 | Form 4 ↗ |
| Siebert Lawrence A.CEO · Director · 10% owner | Purchase | +200.0K | $0.08 | $16K | 5.2Mdirect | May 15, 2008 | May 19, 2008 | Form 4 ↗ |
| Meller GaryDirector | Purchase | +100.0K | $0.15 | $15K | 100.0Kdirect | Mar 14, 2008 | Mar 17, 2008 | Form 4 ↗ |
| Siebert Lawrence A.CEO · Director · 10% owner | Purchase | +151.0K | $0.15 | $23K | 5.0Mdirect | Mar 14, 2008 | Mar 17, 2008 | Form 4 ↗ |
| CRESTVIEW CAPITAL MASTER LLC10% owner | Purchase | +216.7K | $0.42 | $91K | 18.0Mdirect | Dec 19, 2007 | Dec 21, 2007 | Form 4 ↗ |
| Crestview Capital Partners, LLC10% owner | Purchase | +14.6K | $0.50 | $7K | 2.0Mdirect | Sep 28, 2007 | Oct 3, 2007 | Form 4 ↗ |
| CRESTVIEW CAPITAL MASTER LLC10% owner | Purchase | +75.4K | $0.50 | $38K | 2.0Mdirect | Sep 26, 2007 | Sep 27, 2007 | Form 4 ↗ |
| CRESTVIEW CAPITAL MASTER LLC10% owner | Purchase | +40.0K | $0.47 | $19K | 1.9Mdirect | Sep 25, 2007 | Sep 27, 2007 | Form 4 ↗ |
Source: SEC EDGAR Form 4 and Form 5 filings, SEC's quarterly bulk dataset through Jun 30, 2026, and KeyVex's half-hourly read of new filings since. Every row links its filing. Amendments are marked. Nothing here is a recommendation. All insider activity, market-wide →