Insider Trading › CEM › Insiders
CEM
CEM·Insider activity
$51.95
+7.31 (+16.39%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
CEM
Insider purchases and sales on the price
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
CEMS&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 CEM were filed in the last 180 days. Newest filing Dec 7, 2023 (2 years ago).
Net Insider Buying by Quarter
Shares bought (+) or sold (−) on the open market by CEM 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
116Open-market transactions on record
0Insiders filing · 180 days
Purchases (code P) and sales (code S) of CEM 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
116 on record · newest trade first
AllPurchasesSalesOfficers & directors
| Insider | Type | Shares | Price | Value | Held after | Traded | Filed | |
|---|---|---|---|---|---|---|---|---|
| Saba Capital Management, L.P.10% owner | Purchase | +300 | $38.34 | $12K | 2.2Mindirect | Dec 6, 2023 | Dec 7, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +23.0K | $38.63 | $888K | 2.2Mindirect | Dec 5, 2023 | Dec 7, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +17.4K | $38.66 | $672K | 2.2Mindirect | Dec 4, 2023 | Dec 5, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +13.4K | $38.78 | $521K | 2.1Mindirect | Dec 1, 2023 | Dec 5, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +19.3K | $38.36 | $742K | 2.1Mindirect | Nov 30, 2023 | Dec 1, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +26.4K | $37.39 | $989K | 2.1Mindirect | Nov 29, 2023 | Dec 1, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +28.5K | $36.79 | $1.0M | 2.1Mindirect | Nov 28, 2023 | Nov 28, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +4,893 | $35.95 | $176K | 2.1Mindirect | Nov 10, 2023 | Nov 13, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +44.3K | $35.50 | $1.6M | 2.1Mindirect | Nov 9, 2023 | Nov 13, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +59.9K | $35.47 | $2.1M | 2.0Mindirect | Nov 8, 2023 | Nov 9, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +38.9K | $35.83 | $1.4M | 2.0Mindirect | Nov 7, 2023 | Nov 9, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +9,103 | $36.51 | $332K | 1.9Mindirect | Nov 6, 2023 | Nov 6, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +3,613 | $36.58 | $132K | 1.9Mindirect | Nov 3, 2023 | Nov 6, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +87.6K | $36.41 | $3.2M | 1.9Mindirect | Nov 2, 2023 | Nov 3, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +518 | $34.22 | $18K | 1.8Mindirect | Nov 1, 2023 | Nov 3, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +4,578 | $34.32 | $157K | 1.8Mindirect | Oct 31, 2023 | Oct 31, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +14.8K | $34.08 | $503K | 1.8Mindirect | Oct 30, 2023 | Oct 31, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +44.2K | $34.40 | $1.5M | 1.8Mindirect | Oct 27, 2023 | Oct 30, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +24.1K | $34.78 | $837K | 1.7Mindirect | Oct 26, 2023 | Oct 30, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +14.1K | $35.03 | $494K | 1.7Mindirect | Oct 25, 2023 | Oct 25, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +30.8K | $34.68 | $1.1M | 1.7Mindirect | Oct 2, 2023 | Oct 3, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +30.6K | $37.14 | $1.1M | 1.7Mindirect | Aug 18, 2023 | Aug 21, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +4,975 | $36.93 | $184K | 1.6Mindirect | Aug 17, 2023 | Aug 21, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +2,668 | $37.19 | $99K | 1.6Mindirect | Jul 31, 2023 | Aug 2, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +24.2K | $36.77 | $890K | 1.6Mindirect | Jul 28, 2023 | Jul 31, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +6,701 | $36.55 | $245K | 1.6Mindirect | Jul 27, 2023 | Jul 31, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +11.9K | $36.59 | $435K | 1.6Mindirect | Jul 26, 2023 | Jul 26, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +26.3K | $35.98 | $946K | 1.6Mindirect | Jul 21, 2023 | Jul 25, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +35.6K | $35.88 | $1.3M | 1.6Mindirect | Jul 20, 2023 | Jul 21, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +11.7K | $35.60 | $416K | 1.5Mindirect | Jul 19, 2023 | Jul 21, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +21.0K | $35.45 | $743K | 1.5Mindirect | Jul 18, 2023 | Jul 19, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +44.4K | $34.94 | $1.6M | 1.5Mindirect | Jul 17, 2023 | Jul 19, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +4,635 | $35.08 | $163K | 1.5Mindirect | Jul 11, 2023 | Jul 11, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +9,396 | $34.77 | $327K | 1.5Mindirect | Jul 5, 2023 | Jul 7, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +14.5K | $35.08 | $510K | 1.4Mindirect | Jul 3, 2023 | Jul 5, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +18.9K | $34.87 | $659K | 1.4Mindirect | Jun 30, 2023 | Jul 5, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +336 | $34.13 | $11K | 1.4Mindirect | Jun 29, 2023 | Jun 30, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +2,166 | $33.34 | $72K | 1.4Mindirect | Jun 28, 2023 | Jun 30, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +4 | $32.99 | $132 | 1.4Mindirect | Jun 27, 2023 | Jun 28, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +13.2K | $32.91 | $434K | 1.4Mindirect | Jun 26, 2023 | Jun 28, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +7,771 | $32.47 | $252K | 1.4Mindirect | Jun 23, 2023 | Jun 26, 2023 | Form 4 ↗ |
| Weinstein Boaz10% owner | Purchase | +1,620 | $32.90 | $53K | 1.4Mindirect | Jun 22, 2023 | Jun 26, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +7,685 | $33.96 | $261K | 1.4Mindirect | Jun 20, 2023 | Jun 22, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +9,364 | $34.10 | $319K | 1.4Mindirect | Jun 16, 2023 | Jun 20, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +3,477 | $33.84 | $118K | 1.4Mindirect | Jun 15, 2023 | Jun 20, 2023 | Form 4 ↗ |
| Saba Capital Management, L.P.10% owner | Purchase | +18.7K | $33.49 | $626K | 1.4Mindirect | Jun 14, 2023 | Jun 15, 2023 | Form 4 ↗ |
| PRUDENTIAL INSURANCE CO OF AMERICA10% owner | Purchase | +285.7K | $35.00 | $10.0M | 285.7Kindirect | Nov 17, 2022 | Nov 21, 2022 | Form 4 ↗ |
| CRONIN DANIEL PDirector | Sale | −2,476 | $32.51 | $80K | 0direct | Oct 5, 2022 | Oct 7, 2022 | Form 4 ↗ |
| HUTCHINSON WILLIAM RDirector | Sale | −1,400 | $18.77 | $26K | 0direct | Dec 4, 2020 | Dec 7, 2020 | Form 4 ↗ |
| Eades Chris | Purchase | +6,550 | $15.65 | $103K | 9,292direct | Nov 16, 2020 | Nov 18, 2020 | Form 4 ↗ |
| Clarfeld Michael | Purchase | +5,000 | $3.12 | $16K | 7,000direct | Mar 13, 2020 | Mar 13, 2020 | Form 4 ↗ |
| CRONIN DANIEL PDirector | Purchase | +5,000 | $3.60 | $18K | 10.1Kdirect | Mar 12, 2020 | Mar 12, 2020 | Form 4 ↗ |
| Agdern Robert DDirector | Sale | −3,095 | $11.50 | $36K | 0direct | Dec 19, 2019 | Dec 23, 2019 | Form 4 ↗ |
| COHEN HARRY D | Sale | −7,234 | $9.91 | $72K | 7,215indirect | Nov 21, 2019 | Dec 2, 2019 | Form 4 ↗ |
| COHEN HARRY D | Sale | −1,738 | $10.70 | $19K | 0direct | Oct 28, 2019 | Oct 30, 2019 | Form 4 ↗ |
| Glasser Scott | Sale | −24.6K | $10.30 | $253K | 0direct | Dec 31, 2018 | Jan 3, 2019 | Form 4 ↗ |
| Freeman Richard A | Sale | −31.4K | $10.12 | $318K | 0direct | Dec 28, 2018 | Jan 2, 2019 | Form 4 ↗ |
| Freeman Richard A | Sale | −26.6K | $9.83 | $262K | 31.4Kdirect | Dec 26, 2018 | Dec 28, 2018 | Form 4 ↗ |
| Murphy Terrence | Sale | −6,479 | $11.39 | $74K | 0direct | Dec 12, 2018 | Dec 14, 2018 | Form 4 ↗ |
| COHEN HARRY D | Sale Amended | −58.8K | $11.25 | $661K | 1,738direct | Dec 10, 2018 | Dec 12, 2018 | Form 4 ↗ |
| COHEN HARRY D | Sale | −58.8K | $11.25 | $661K | 1,738direct | Dec 10, 2018 | Dec 12, 2018 | Form 4 ↗ |
| MANNING BARBARA BROOKE | Sale | −1,608 | $12.12 | $19K | 0direct | Dec 4, 2018 | Dec 6, 2018 | Form 4 ↗ |
| HUTCHINSON WILLIAM RDirector | Purchase | +7,000 | $14.76 | $103K | 7,000direct | May 14, 2018 | May 15, 2018 | Form 4 ↗ |
| COLMAN CAROL LDirector | Purchase | +2,000 | $14.48 | $29K | 8,120direct | Mar 12, 2018 | Mar 12, 2018 | Form 4 ↗ |
| COLMAN CAROL LDirector | Purchase | +5,000 | $14.15 | $71K | 6,120direct | Mar 8, 2018 | Mar 12, 2018 | Form 4 ↗ |
| Eades Chris | Purchase | +1,830 | $13.71 | $25K | 6,430direct | Dec 11, 2017 | Dec 12, 2017 | Form 4 ↗ |
| Vanderlee Peter | Sale | −500 | $12.88 | $6K | 2,800direct | Dec 7, 2017 | Dec 8, 2017 | Form 4 ↗ |
| Eades Chris | Purchase | +1,000 | $14.96 | $15K | 4,600direct | Sep 13, 2017 | Sep 14, 2017 | Form 4 ↗ |
| Eades Chris | Purchase | +1,600 | $15.68 | $25K | 3,600direct | May 31, 2017 | Jun 1, 2017 | Form 4 ↗ |
| Vanderlee Peter | Purchase | +300 | $15.29 | $5K | 3,300direct | Dec 20, 2016 | Dec 22, 2016 | Form 4 ↗ |
| Freeman Richard A | Sale | −6,601 | $15.06 | $99K | 47.9Kdirect | Dec 19, 2016 | Dec 21, 2016 | Form 4 ↗ |
| KAMERICK EILEEN ADirector | Purchase | +1,382 | $15.38 | $21K | 1,382direct | Sep 16, 2016 | Sep 19, 2016 | Form 4 ↗ |
| Agdern Robert DDirector | Purchase | +3,095 | $16.07 | $50K | 3,095direct | Jul 21, 2016 | Jul 25, 2016 | Form 4 ↗ |
| COHEN HARRY D | Purchase | +10.0K | $13.97 | $140K | 57.5Kdirect | Dec 7, 2015 | Dec 9, 2015 | Form 4 ↗ |
| COHEN HARRY D | Purchase | +15.0K | $18.52 | $278K | 46.7Kdirect | Dec 1, 2015 | Dec 3, 2015 | Form 4 ↗ |
| HUTCHINSON WILLIAM RDirector | Sale | −3,499 | $19.27 | $67K | 0direct | Sep 25, 2015 | Sep 29, 2015 | Form 4 ↗ |
| HUTCHINSON WILLIAM RDirector | Sale | −2,501 | $19.27 | $48K | 0indirect | Sep 25, 2015 | Sep 29, 2015 | Form 4 ↗ |
| COLMAN CAROL LDirector | Sale | −2,000 | $21.06 | $42K | 1,120direct | Sep 10, 2015 | Sep 14, 2015 | Form 4 ↗ |
| Vanderlee Peter | Purchase | +500 | $21.85 | $11K | 3,000direct | Jul 28, 2015 | Jul 29, 2015 | Form 4 ↗ |
| Fuller KennethCEO, Pres. & Chairman · Director | Purchase | +300 | $26.65 | $8K | 300direct | Mar 3, 2015 | Mar 5, 2015 | Form 4 ↗ |
| MASSACHUSETTS MUTUAL LIFE INSURANCE CO10% owner | Purchase | +3.6M | n/c | — | 3.6Mindirect | Apr 30, 2014 | May 2, 2014 | Form 4 ↗ |
| MASSACHUSETTS MUTUAL LIFE INSURANCE CO10% owner | Purchase | +1.1M | n/c | — | 1.1Mindirect | Apr 30, 2014 | May 2, 2014 | Form 4 ↗ |
| MASSACHUSETTS MUTUAL LIFE INSURANCE CO10% owner | Purchase | +2.5M | n/c | — | 2.5Mindirect | Apr 30, 2014 | May 2, 2014 | Form 4 ↗ |
| MASSACHUSETTS MUTUAL LIFE INSURANCE CO10% owner | Purchase | +17.8M | n/c | — | 17.8Mdirect | Apr 30, 2014 | May 2, 2014 | Form 4 ↗ |
| Eades Chris | Purchase | +1,000 | $27.01 | $27K | 2,000direct | Jun 26, 2013 | Jun 28, 2013 | Form 4 ↗ |
| COHEN HARRY D | Purchase | +2,000 | $23.79 | $48K | 2,000indirect | Jan 2, 2013 | Jan 4, 2013 | Form 4 ↗ |
| COHEN HARRY D | Purchase | +2,000 | $23.78 | $48K | 4,138indirect | Jan 2, 2013 | Jan 4, 2013 | Form 4 ↗ |
| COHEN HARRY D | Purchase | +5,000 | $21.36 | $107K | 26.1Kdirect | Aug 15, 2011 | Nov 29, 2011 | Form 4 ↗ |
| COHEN HARRY D | Purchase | +300 | $22.09 | $7K | 20.7Kdirect | Aug 15, 2011 | Aug 15, 2011 | Form 4 ↗ |
| COHEN HARRY D | Purchase | +4,700 | $22.08 | $104K | 20.7Kdirect | Aug 15, 2011 | Aug 15, 2011 | Form 4 ↗ |
| COHEN HARRY D | Purchase | +5,000 | $21.19 | $106K | 15.7Kdirect | Jun 8, 2011 | Jun 9, 2011 | Form 4 ↗ |
| Murphy Terrence | Purchase | +1,000 | $21.21 | $21K | 3,611direct | Jun 8, 2011 | Jun 9, 2011 | Form 4 ↗ |
| Freeman Richard A | Purchase | +5,000 | $21.09 | $105K | 36.7Kdirect | Jun 8, 2011 | Jun 9, 2011 | Form 4 ↗ |
| Freeman Richard A | Purchase | +5,000 | $21.07 | $105K | 36.7Kdirect | Jun 8, 2011 | Jun 9, 2011 | Form 4 ↗ |
| COLMAN CAROL LDirector | Purchase | +2,000 | $21.71 | $43K | 3,000direct | Jan 24, 2011 | Jan 25, 2011 | Form 4 ↗ |
| Clarfeld Michael ` | Purchase | +1,000 | $19.97 | $20K | 2,000direct | Aug 27, 2010 | Aug 27, 2010 | Form 4 ↗ |
| Murphy Terrence | Purchase | +1,000 | $20.25 | $20K | 2,500direct | Aug 19, 2010 | Aug 20, 2010 | Form 4 ↗ |
| Eades Chris | Purchase | +1,000 | $20.07 | $20K | 1,000direct | Aug 12, 2010 | Aug 16, 2010 | Form 4 ↗ |
| COHEN HARRY D | Purchase | +10.0K | $20.00 | $200K | 10.0Kdirect | Jun 25, 2010 | Jun 29, 2010 | Form 4 ↗ |
| MANNING BARBARA BROOKE | Purchase | +1,000 | $20.08 | $20K | 1,000direct | Jun 25, 2010 | Jun 29, 2010 | Form 4 ↗ |
| COLMAN CAROL LDirector | Purchase | +1,000 | $20.00 | $20K | 1,000direct | Jun 25, 2010 | Jun 28, 2010 | Form 4 ↗ |
| Freeman Richard A | Purchase | +25.0K | $20.00 | $500K | 25.0Kdirect | Jun 25, 2010 | Jun 28, 2010 | Form 4 ↗ |
| Clarfeld Michael ` | Purchase | +1,000 | $20.08 | $20K | 1,000direct | Jun 25, 2010 | Jun 28, 2010 | Form 4 ↗ |
| Murphy Terrence | Purchase | +1,500 | $20.05 | $30K | 1,500direct | Jun 25, 2010 | Jun 28, 2010 | Form 4 ↗ |
| Vanderlee Peter | Purchase | +2,500 | $20.00 | $50K | 2,500direct | Jun 25, 2010 | Jun 28, 2010 | Form 4 ↗ |
| HUTCHINSON WILLIAM RDirector | Purchase | −6,000 | $20.00 | $120K | 6,000direct | Jun 24, 2010 | Jun 25, 2010 | Form 4 ↗ |
| CRONIN DANIEL PDirector | Purchase | +2,500 | $20.00 | $50K | 2,500direct | Jun 24, 2010 | Jun 25, 2010 | Form 4 ↗ |
| GERKEN R JAYPres., CEO & Chairman · Director | Purchase | +1,000 | $20.00 | $20K | 1,000direct | Jun 24, 2010 | Jun 25, 2010 | Form 4 ↗ |
| FORSYTH STEPHEN CCFO and Treasurer | Purchase | +100.0K | $1.60 | $160K | 488.3Kdirect | Nov 11, 2008 | Nov 13, 2008 | Form 4 ↗ |
| Schefsky Lynn AGeneral Counsel and Secretary | Purchase | +12.5K | $1.60 | $20K | 19.0Kindirect | Nov 7, 2008 | Nov 12, 2008 | Form 4 ↗ |
| WOOD ROBERT LChairman, President and CEO · Director | Purchase | +100.0K | $1.53 | $153K | 431.5Kindirect | Nov 6, 2008 | Nov 7, 2008 | Form 4 ↗ |
| WOOD ROBERT LChairman, President and CEO · Director | Purchase | +200.0K | $1.56 | $312K | 735.0Kdirect | Nov 6, 2008 | Nov 7, 2008 | Form 4 ↗ |
| FORSYTH STEPHEN CCFO and Treasurer | Purchase | +250.0K | $1.73 | $433K | 388.3Kdirect | Nov 5, 2008 | Nov 6, 2008 | Form 4 ↗ |
| Schefsky Lynn ASenior V.P. & General Counsel | Purchase | +2,529 | $7.90 | $20K | 6,529direct | Aug 9, 2006 | Aug 9, 2006 | Form 4 ↗ |
| Yeaw Gary PEVP, HR & Communications | Purchase | +5,000 | $7.83 | $39K | 15.0Kdirect | Aug 8, 2006 | Aug 8, 2006 | Form 4 ↗ |
| HEADRICK ROGER LDirector | Purchase | +9,000 | $9.00 | $81K | 68.7Kdirect | Jun 9, 2006 | Jun 13, 2006 | 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 →