CERSCerus CorporationHealthcare · Medical - Devicesas of 2026-09-16
Horizon

Issued 2026-09-16 at $2.53 · now $2.53 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, CERS has typically landed between $1.93 and $3.34 — a range of −23.7% to +32.1% from the issuance price $2.53.

Range of outcomes in historically similar periods — not a price prediction. Ranges are scored publicly on /methodology.
  • Actual close
  • Typical path (median)
  • Middle 50% of outcomes
  • 90% range

5,002 overlapping 1 month windows · 2006-09-26 – 2026-08-17 · basis climatology · forecast (batch). Probability up 53.9% (90% CI 51.7–56.1%, ≈1,408 obs).

The cone is anchored at the 2026-09-16 issuance close ($2.53) — the price the forecast resolves against on 2026-10-15, not the latest close. The drawn path shape is illustrative (bands widen with √t); every labeled number is real — the anchor, the scored batch p90/IQR endpoints, and the typical move.

Where CERS has typically landed a month from the 2026-09-16 close of $2.53 — the range is history, not a prediction.

$1.93worst · -23.7%$3.34best · +32.1%
  • now $2.53 (+0.0%)
  • typicalThe typical outcome — half of similar past periods did better and half did worse (not an average, so a few wild periods don't skew it). $2.49 (-1.8%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $2.21–$2.76
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $1.93–$3.34
Actual 1-month windows behind the coneiEvery overlapping 1-month window in this security's own price history was ranked by realized return; shown are the 3 worst and 3 best of 5,002 windows spanning 2006-09-26 to 2026-09-16. Not cherry-picked — these are the extremes of the full sample. Max drop / max rise are the deepest and highest points reached within each window. See /methodology.
StartReturnMax dropMax rise
3 worst
2008-10-07−72.3%−72.3%+0.0%
2008-10-08−65.3%−71.6%+0.0%
2008-10-09−65.2%−71.2%+0.0%
3 best
2009-06-25+213.7%−9.5%+213.7%
2009-07-10+137.9%+0.0%+242.5%
2009-06-26+127.7%−14.9%+195.0%

5,002 overlapping windows · 2006-09-26 – 2026-09-16 · not cherry-picked

Seasonality · by month iHow this security has tended to do in each calendar month historically — a frequency, never a prediction.

iFor each calendar month, the share of years this security closed higher than the month before, and the average month-over-month return, over ~20 years of its own price history. Cells are shaded by average return. This is historical frequency, not a prediction — no month is a signal.
Jan
40%
+2.3%
n=20
Feb
50%
+3.6%
n=20
Mar
40%
−0.5%
n=20
Apr
55%
+5.5%
n=20
May
40%
−2.4%
n=20
Jun
55%
+2.0%
n=20
Jul
55%
+5.7%
n=20
Aug
45%
−2.3%
n=20
Sep
45%
+2.8%
n=20
Oct
40%
−5.9%
n=20
Nov
75%
+5.0%
n=20
Dec
35%
−1.7%
n=20

Up-frequency and average month-over-month return · historical frequency, not a prediction

Reported insider & political trades

Every Form 4 the people closest to this company have filed with the SEC — plotted against the share price, aggregated by month, and shown with the gap between when each trade happened and when it was disclosed. A public record, not advice.

Share price & reported tradesMonthly open-market valueReporting lag — trade date to filing date2026-092026-082026-072026-062026-052026-042026-032026-022026-012025-122025-112025-102025-092025-08$3$12026-08-17: 1 insider sale, $90K — Jensen Chrystal2026-07-16: 1 insider sale, $53K — Jayaraman Vivek K2026-06-30: 4 insider sales, $595K — Greenman William Mariner, Jayaraman Vivek K, Green Kevin Dennis, Jensen Chrystal2026-06-09: 1 insider sale, $53K — BJERKHOLT ERIC2026-05-29: 1 insider sale, $50K — Jayaraman Vivek K2026-05-01: 1 insider sale, $50K — Jayaraman Vivek K2026-03-12: 4 insider sales, $1.4M — Greenman William Mariner, Jayaraman Vivek K, Green Kevin Dennis, Benjamin Richard J2026-03-09: 1 insider sale, $76K — Benjamin Richard J2026-03-06: 5 insider sales, $391K — Greenman William Mariner, Jayaraman Vivek K, Jensen Chrystal, Green Kevin Dennis …2026-03-05: 2 insider sales, $240K — Benjamin Richard J, Green Kevin Dennis2025-11-24: 1 insider sale, $94K — Jensen Chrystal2025-08-25: 1 insider purchase, $31K — Gregory Dean A.2025-08: 1 open-market purchase, $31K2025-11: 1 open-market sale, $94K2026-03: 12 open-market sales, $2.1M2026-05: 2 open-market sales, $100K2026-06: 5 open-market sales, $648K2026-07: 1 open-market sale, $53K2026-08: 1 open-market sale, $90K↑ buys↓ salesofficer Jensen Chrystal — Sale on 2026-08-17, filed same dayofficer Jayaraman Vivek K — Sale on 2026-07-16, filed 4 days after the tradedirector Greenman William Mariner — Sale on 2026-06-30, filed 2 days after the tradeofficer Jayaraman Vivek K — Sale on 2026-06-30, filed 2 days after the tradeofficer Green Kevin Dennis — Sale on 2026-06-30, filed 2 days after the tradeofficer Jensen Chrystal — Sale on 2026-06-30, filed 2 days after the tradedirector BJERKHOLT ERIC — Sale on 2026-06-09, filed 2 days after the tradeofficer Jayaraman Vivek K — Sale on 2026-05-29, filed 4 days after the tradeofficer Jayaraman Vivek K — Sale on 2026-05-01, filed 4 days after the tradedirector Greenman William Mariner — Sale on 2026-03-12, filed 4 days after the tradeofficer Jayaraman Vivek K — Sale on 2026-03-12, filed 4 days after the tradeofficer Green Kevin Dennis — Sale on 2026-03-12, filed 4 days after the tradeofficer Benjamin Richard J — Sale on 2026-03-12, filed 4 days after the tradeofficer Benjamin Richard J — Sale on 2026-03-09, filed same daydirector Greenman William Mariner — Sale on 2026-03-06, filed 3 days after the tradeofficer Jayaraman Vivek K — Sale on 2026-03-06, filed 3 days after the tradeofficer Jensen Chrystal — Sale on 2026-03-06, filed 3 days after the tradeofficer Green Kevin Dennis — Sale on 2026-03-06, filed 3 days after the tradeofficer Benjamin Richard J — Sale on 2026-03-06, filed 3 days after the tradeofficer Benjamin Richard J — Sale on 2026-03-05, filed 4 days after the tradeofficer Green Kevin Dennis — Sale on 2026-03-05, filed 4 days after the tradeofficer Jensen Chrystal — Sale on 2025-11-24, filed 2 days after the tradedirector Gregory Dean A. — Purchase on 2025-08-25, filed same day
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-08-17Jensen ChrystalofficerSale30,000 @ $2.98$90K−3.1% of holding−12.4%not yet — horizon still open936,657Form 4 · filed same day
2026-07-16Jayaraman Vivek KofficerSale16,666 @ $3.16$53K−0.7% of holding−10.6%not yet — horizon still open2,232,211Form 4 · filed 4 days after the trade
2026-06-30Greenman William MarinerdirectorSale101,919 @ $2.94$300K−2.0% of holding−0.3%not yet — horizon still open5,053,036Form 4 · filed 2 days after the trade
2026-06-30Jayaraman Vivek KofficerSale42,359 @ $2.94$125K−2.4% of holding−0.3%not yet — horizon still open1,694,348Form 4 · filed 2 days after the trade
2026-06-30Green Kevin DennisofficerSale33,676 @ $2.94$99K−3.1% of holding−0.3%not yet — horizon still open1,062,188Form 4 · filed 2 days after the trade
2026-06-30Jensen ChrystalofficerSale24,329 @ $2.94$72K−2.5% of holding−0.3%not yet — horizon still open966,657Form 4 · filed 2 days after the trade
2026-06-09BJERKHOLT ERICdirectorSale20,454 @ $2.60$53K−7.2% of holding+18.2%not yet — horizon still open261,679Form 4 · filed 2 days after the trade
2026-05-29Jayaraman Vivek KofficerSale16,667 @ $3.00$50K−1.0% of holding−2.9%not yet — horizon still open1,656,707Form 4 · filed 4 days after the trade
2026-05-01Jayaraman Vivek KofficerSale16,667 @ $3.00$50K−1.0% of holding−6.1%not yet — horizon still open1,673,374Form 4 · filed 4 days after the trade
2026-03-12Greenman William MarinerdirectorSale447,757 @ $1.66$742K−8.2% of holding+9.7%+31.1%4,998,493Form 4 · filed 4 days after the trade
2026-03-12Jayaraman Vivek KofficerSale165,200 @ $1.66$274K−8.6% of holding+9.7%+31.1%1,747,674Form 4 · filed 4 days after the trade
2026-03-12Green Kevin DennisofficerSale127,544 @ $1.66$211K−10.9% of holding+9.7%+31.1%1,040,551Form 4 · filed 4 days after the trade
2026-03-12Benjamin Richard JofficerSale101,740 @ $1.66$169K−11.6% of holding+9.7%+31.1%777,361Form 4 · filed 4 days after the trade
2026-03-09Benjamin Richard JofficerSale40,426 @ $1.88$76K−4.4% of holding−0.5%+18.1%879,101Form 4 · filed same day
2026-03-06Greenman William MarinerdirectorSale78,187 @ $2.01$157K−1.4% of holding−3.0%+19.0%5,446,250Form 4 · filed 3 days after the trade
2026-03-06Jayaraman Vivek KofficerSale34,094 @ $2.01$68K−1.8% of holding−3.0%+19.0%1,912,874Form 4 · filed 3 days after the trade
2026-03-06Jensen ChrystalofficerSale30,845 @ $2.01$62K−2.8% of holding−3.0%+19.0%1,059,139Form 4 · filed 3 days after the trade
2026-03-06Green Kevin DennisofficerSale27,796 @ $2.01$56K−2.3% of holding−3.0%+19.0%1,168,095Form 4 · filed 3 days after the trade
2026-03-06Benjamin Richard JofficerSale24,235 @ $2.01$49K−2.6% of holding−3.0%+19.0%919,527Form 4 · filed 3 days after the trade
2026-03-05Benjamin Richard JofficerSale61,233 @ $2.06$126K−6.1% of holding−6.3%+11.9%943,762Form 4 · filed 4 days after the trade
2026-03-05Green Kevin DennisofficerSale55,225 @ $2.06$114K−4.4% of holding−6.3%+11.9%1,195,891Form 4 · filed 4 days after the trade
2025-11-24Jensen ChrystalofficerSale55,000 @ $1.70$94K−7.0% of holding+18.4%+59.3%728,294Form 4 · filed 2 days after the trade
2025-08-25Gregory Dean A.directorPurchase25,000 @ $1.25$31K+40.5% of holding+17.1%+80.6%86,725Form 4 · filed same day
2025-03-14Greenman William MarinerdirectorSale122,827 @ $1.45$178K−2.9% of holding−2.3%−35.4%4,115,845Form 4 · filed 3 days after the trade
2025-03-14Jayaraman Vivek KofficerSale46,004 @ $1.45$67K−3.1% of holding−2.3%−35.4%1,431,326Form 4 · filed 3 days after the trade
2025-03-14Green Kevin DennisofficerSale36,740 @ $1.45$53K−4.0% of holding−2.3%−35.4%875,867Form 4 · filed 3 days after the trade
2025-03-14Benjamin Richard JofficerSale30,075 @ $1.45$44K−4.2% of holding−2.3%−35.4%685,775Form 4 · filed 3 days after the trade
2025-03-14Jensen ChrystalofficerSale30,075 @ $1.45$44K−3.7% of holding−2.3%−35.4%783,294Form 4 · filed 3 days after the trade
2025-03-13Greenman William MarinerdirectorSale71,086 @ $1.45$103K−1.6% of holding+2.2%−31.4%4,238,672Form 4 · filed 4 days after the trade
2025-03-13Jayaraman Vivek KofficerSale29,985 @ $1.45$43K−2.0% of holding+2.2%−31.4%1,477,330Form 4 · filed 4 days after the trade
2025-03-13Green Kevin DennisofficerSale23,147 @ $1.45$34K−2.5% of holding+2.2%−31.4%912,607Form 4 · filed 4 days after the trade
2025-03-13Jensen ChrystalofficerSale18,949 @ $1.45$27K−2.3% of holding+2.2%−31.4%813,369Form 4 · filed 4 days after the trade
2025-03-13Benjamin Richard JofficerSale18,949 @ $1.45$27K−2.6% of holding+2.2%−31.4%715,850Form 4 · filed 4 days after the trade
2025-03-12Jensen ChrystalofficerSale113,008 @ $1.66$187K−10.7% of holding−10.4%−33.9%946,131Form 4 · filed 369 days after the trade
2025-03-07Greenman William MarinerdirectorSale60,984 @ $1.50$91K−1.4% of holding−5.7%−27.2%4,309,758Form 4 · filed 3 days after the trade
2025-03-07Jayaraman Vivek KofficerSale33,999 @ $1.50$51K−2.2% of holding−5.7%−27.2%1,507,315Form 4 · filed 3 days after the trade
2025-03-07Green Kevin DennisofficerSale31,148 @ $1.50$47K−3.2% of holding−5.7%−27.2%935,754Form 4 · filed 3 days after the trade
2025-03-07Jensen ChrystalofficerSale27,457 @ $1.50$41K−3.2% of holding−5.7%−27.2%832,318Form 4 · filed 3 days after the trade
2025-03-07Benjamin Richard JofficerSale26,139 @ $1.50$39K−3.4% of holding−5.7%−27.2%734,799Form 4 · filed 3 days after the trade
2025-03-04Jensen ChrystalofficerSale60,000 @ $1.59$95K−12.9% of holding−9.5%−29.3%405,198Form 4 · filed 1 day after the trade
2025-03-04Greenman William MarinerdirectorSale23,023 @ $1.55$36K−0.7% of holding−9.5%−29.3%3,230,000Form 4 · filed 1 day after the trade
2025-03-04Jayaraman Vivek KofficerSale10,780 @ $1.55$17K−1.2% of holding−9.5%−29.3%905,828Form 4 · filed 1 day after the trade
2025-03-04Green Kevin DennisofficerSale8,386 @ $1.55$13K−1.5% of holding−9.5%−29.3%554,518Form 4 · filed 1 day after the trade
2025-03-04Jensen ChrystalofficerSale6,292 @ $1.55$10K−1.3% of holding−9.5%−29.3%465,198Form 4 · filed 1 day after the trade
2025-03-04Benjamin Richard JofficerSale6,292 @ $1.55$10K−1.6% of holding−9.5%−29.3%394,373Form 4 · filed 1 day after the trade
2025-03-03Green Kevin DennisofficerSale60,656 @ $1.58$96K−10.9% of holding−6.2%−27.3%493,862Form 4 · filed 2 days after the trade
2025-03-03Benjamin Richard JofficerSale51,254 @ $1.58$81K−11.3% of holding−6.2%−27.3%400,665Form 4 · filed 2 days after the trade
2024-12-16Jensen ChrystalofficerSale16,667 @ $1.71$29K−3.5% of holding+0.6%−24.4%457,578Form 4 · filed same day
2024-12-13Gregory Dean A.directorPurchase1,725 @ $1.70$3K+2.9% of holding+8.2%−21.1%61,725Form 4 · filed 20 days after the trade
2024-12-12BJERKHOLT ERICdirectorSale20,000 @ $1.78$36K−11.0% of holding+5.5%−25.9%162,133Form 4 · filed 4 days after the trade

The vs-S&P columns are a labeled look-back on what the stock did after each filing, measured against the index over the same window. Descriptive history, not a claim about the person or a reason to trade.

71 award / exercise / gift records — not counted as purchases

Awards, option exercises, gifts and tax-withholding disposals are shown separately and never counted as open-market purchases or sales — they carry no conviction information.

DatePersonRoleActionSharesOwned afterFiling
2026-07-01Jayaraman Vivek KofficerAward / grant554,5292,248,877Form 4
2026-07-01Jayaraman Vivek KofficerAward / grant369,686369,686Form 4
2026-06-30Green Kevin DennisofficerAward / grant63,6001,095,864Form 4
2026-06-30Greenman William MarinerdirectorAward / grant192,5005,154,955Form 4
2026-06-30Jayaraman Vivek KofficerAward / grant80,0001,736,707Form 4
2026-06-30Jensen ChrystalofficerAward / grant55,000990,986Form 4
2026-06-02BJERKHOLT ERICdirectorAward / grant60,000282,133Form 4
2026-06-02Shan HuadirectorAward / grant60,000192,386Form 4
2026-06-02Gregory Dean A.directorAward / grant60,000146,725Form 4
2026-06-02Witney FrankdirectorAward / grant60,000340,059Form 4
2026-06-02NACHTSHEIM JAMI KdirectorAward / grant60,000268,362Form 4
2026-06-02Lucena AnndirectorAward / grant60,000232,284Form 4
2026-04-01Green Kevin DennisofficerAward / grant200,0001,240,551Form 4
2026-04-01Jensen ChrystalofficerAward / grant200,0001,146,131Form 4
2026-03-05Greenman William MarinerdirectorAward / grant193,2705,524,437Form 4
2026-03-05Jayaraman Vivek KofficerAward / grant80,3201,946,968Form 4
2026-03-05Green Kevin DennisofficerAward / grant63,8541,251,116Form 4
2026-03-05Benjamin Richard JofficerAward / grant55,2201,004,995Form 4
2026-03-05Jensen ChrystalofficerAward / grant55,2201,083,514Form 4
2026-03-02Benjamin Richard JofficerAward / grant264,000949,775Form 4
2026-03-02Greenman William MarinerdirectorAward / grant1,200,0005,331,167Form 4
2026-03-02Green Kevin DennisofficerAward / grant300,0001,187,262Form 4
2026-03-02Jensen ChrystalofficerAward / grant300,0001,028,294Form 4
2026-03-02Jayaraman Vivek KofficerAward / grant420,0001,866,648Form 4
2025-06-03BJERKHOLT ERICdirectorAward / grant60,000222,133Form 4
2025-06-03Shan HuadirectorAward / grant60,000132,386Form 4
2025-06-03Lucena AnndirectorAward / grant60,000172,284Form 4
2025-06-03Witney FrankdirectorAward / grant60,000280,059Form 4
2025-06-03NACHTSHEIM JAMI KdirectorAward / grant60,000208,362Form 4
2025-06-03Swisher Daniel N JRdirectorAward / grant60,000207,045Form 4
2025-06-03MOORE TIMOTHY L.directorAward / grant60,000205,073Form 4
2025-03-06Benjamin Richard JofficerAward / grant66,565760,938Form 4
2025-03-06Jensen ChrystalofficerAward / grant385,000790,198Form 4
2025-03-06Green Kevin DennisofficerAward / grant392,500886,362Form 4
2025-03-06Jayaraman Vivek KofficerAward / grant90,4861,541,314Form 4
2025-03-06Jayaraman Vivek KofficerAward / grant545,0001,450,828Form 4
2025-03-06Green Kevin DennisofficerAward / grant80,540966,902Form 4
2025-03-06Greenman William MarinerdirectorAward / grant165,7424,370,742Form 4
2025-03-06Greenman William MarinerdirectorAward / grant975,0004,205,000Form 4
2025-03-06Jensen ChrystalofficerAward / grant69,577859,775Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Across 2012–2021, stocks where a CEO, C-suite officer, or director had recently made an open-market common-stock purchase ran about +28 bp per month above the universe average (n=34,268 stock-weeks). A historical tendency, not a prediction.

Congressional disclosures

No congressional trades disclosed for this company.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.