EBCEastern Bankshares, Inc.Financial Services · Banks - Regionalas of 2026-09-16
Horizon

Issued 2026-09-16 at $21.59 · now $21.59 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, EBC has typically landed between $19.17 and $24.64 — a range of −11.2% to +14.1% from the issuance price $21.59.

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

1,465 overlapping 1 month windows · 2020-10-15 – 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 ($21.59) — 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 EBC has typically landed a month from the 2026-09-16 close of $21.59 — the range is history, not a prediction.

$19.17worst · -11.2%$24.64best · +14.1%
  • now $21.59 (+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). $21.66 (+0.3%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $20.42–$22.9
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $19.17–$24.64
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 1,465 windows spanning 2020-10-15 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
2023-02-09−27.4%−27.4%+1.4%
2023-02-22−24.5%−27.6%+1.2%
2023-02-23−23.6%−27.7%+1.0%
3 best
2020-11-04+29.0%+0.0%+29.0%
2020-11-03+27.9%+0.0%+27.9%
2024-06-21+27.5%+0.0%+27.5%

1,465 overlapping windows · 2020-10-15 – 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 ~6 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
50%
+2.2%
n=6
Feb
33%
−0.6%
n=6
Mar
50%
−1.8%
n=6
Apr
33%
−3.8%
n=6
May
67%
+1.2%
n=6
Jun
67%
+3.5%
n=6
Jul
83%
+6.3%
n=6
Aug
50%
+1.3%
n=6
Sep
50%
+0.1%
n=6
Oct
20%
−3.2%
n=5
Nov
83%
+9.0%
n=6
Dec
50%
+1.6%
n=6

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$24$152026-09-14: 1 insider sale, $87K — Bane Richard Corey2026-09-02: 1 insider sale, $304K — Henry Kathleen Cloherty2026-09-01: 3 insider sales, $1.0M — Westermann Donald Michael, Antonakes Steven Louis …2026-08-25: 1 insider sale, $40K — CASEY JOSEPH F2026-08-24: 1 insider sale, $227K — CASEY JOSEPH F2026-08-21: 1 insider sale, $230K — CASEY JOSEPH F2026-08-20: 1 insider sale, $229K — CASEY JOSEPH F2026-08-19: 1 insider sale, $236K — CASEY JOSEPH F2026-07-06: 1 insider sale, $39K — Borgen Luis2026-06-29: 1 insider sale, $38K — Borgen Luis2026-03-06: 1 insider purchase, $92K — Rosato R David2026-03-05: 1 insider purchase, $96K — Rosato R David2026-02-05: 1 insider sale, $217K — Ahlquist David Andrew2026-01-28: 1 insider sale, $427K — Westermann Donald Michael2025-12-08: 1 insider sale, $87K — Borgen Luis2025-12-01: 1 insider sale, $86K — Borgen Luis2025-11-26: 1 insider sale, $6.1M — CASEY JOSEPH F2025-10-29: 1 insider purchase, $169K — Rosato R David2025-10-28: 2 insider purchases, $1.0M — Rivers Robert Francis, Rosato R David2025-09-16: 1 insider sale, $14 — SHEAHAN DENIS K2025-08-27: 4 insider purchases, $439K — Miller Quincy Lee, Henry Kathleen Cloherty, Antonakes Steven Louis …2025-08-25: 2 insider purchases, $1.2M — Rivers Robert Francis, SHEAHAN DENIS K2025-08: 6 open-market purchases, $1.7M2025-09: 1 open-market sale, $142025-10: 3 open-market purchases, $1.2M2025-11: 1 open-market sale, $6.1M2025-12: 2 open-market sales, $173K2026-01: 1 open-market sale, $427K2026-02: 1 open-market sale, $217K2026-03: 2 open-market purchases, $188K2026-06: 1 open-market sale, $38K2026-07: 1 open-market sale, $39K2026-08: 5 open-market sales, $962K2026-09: 5 open-market sales, $1.4M↑ buys↓ salesdirector Bane Richard Corey — Sale on 2026-09-14, filed 1 day after the tradeofficer Henry Kathleen Cloherty — Sale on 2026-09-02, filed 1 day after the tradeofficer Westermann Donald Michael — Sale on 2026-09-01, filed 1 day after the tradeofficer Antonakes Steven Louis — Sale on 2026-09-01, filed 1 day after the tradeofficer Westermann Donald Michael — Sale on 2026-09-01, filed 1 day after the tradedirector CASEY JOSEPH F — Sale on 2026-08-25, filed 1 day after the tradedirector CASEY JOSEPH F — Sale on 2026-08-24, filed 1 day after the tradedirector CASEY JOSEPH F — Sale on 2026-08-21, filed 3 days after the tradedirector CASEY JOSEPH F — Sale on 2026-08-20, filed 1 day after the tradedirector CASEY JOSEPH F — Sale on 2026-08-19, filed 1 day after the tradedirector Borgen Luis — Sale on 2026-07-06, filed 1 day after the tradedirector Borgen Luis — Sale on 2026-06-29, filed 1 day after the tradeofficer Rosato R David — Purchase on 2026-03-06, filed 3 days after the tradeofficer Rosato R David — Purchase on 2026-03-05, filed 4 days after the tradeofficer Ahlquist David Andrew — Sale on 2026-02-05, filed same dayofficer Westermann Donald Michael — Sale on 2026-01-28, filed 1 day after the tradedirector Borgen Luis — Sale on 2025-12-08, filed 1 day after the tradedirector Borgen Luis — Sale on 2025-12-01, filed 1 day after the tradedirector CASEY JOSEPH F — Sale on 2025-11-26, filed 5 days after the tradeofficer Rosato R David — Purchase on 2025-10-29, filed same daydirector Rivers Robert Francis — Purchase on 2025-10-28, filed same dayofficer Rosato R David — Purchase on 2025-10-28, filed 1 day after the tradedirector SHEAHAN DENIS K — Sale on 2025-09-16, filed 168 days after the tradeofficer Miller Quincy Lee — Purchase on 2025-08-27, filed 2 days after the tradeofficer Henry Kathleen Cloherty — Purchase on 2025-08-27, filed 2 days after the tradeofficer Antonakes Steven Louis — Purchase on 2025-08-27, filed 2 days after the tradeofficer Antonakes Steven Louis — Purchase on 2025-08-27, filed 2 days after the tradedirector Rivers Robert Francis — Purchase on 2025-08-25, filed 1 day after the tradedirector SHEAHAN DENIS K — Purchase on 2025-08-25, filed 1 day after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-09-14Bane Richard CoreydirectorSale4,000 @ $21.78$87K−2.0% of holdingnot yet — horizon still opennot yet — horizon still open198,498Form 4 · filed 1 day after the trade
2026-09-02Henry Kathleen ClohertyofficerSale14,000 @ $21.68$304K−24.5% of holdingnot yet — horizon still opennot yet — horizon still open43,146Form 4 · filed 1 day after the trade
2026-09-01Westermann Donald MichaelofficerSale23,005 @ $21.43$493K−100.0% of holdingnot yet — horizon still opennot yet — horizon still open0Form 4 · filed 1 day after the trade
2026-09-01Antonakes Steven LouisofficerSale13,500 @ $21.95$296K−17.9% of holdingnot yet — horizon still opennot yet — horizon still open61,790Form 4 · filed 1 day after the trade
2026-09-01Westermann Donald MichaelofficerSale10,407 @ $21.77$227K−31.6% of holdingnot yet — horizon still opennot yet — horizon still open22,565Form 4 · filed 1 day after the trade
2026-08-25CASEY JOSEPH FdirectorSale1,778 @ $22.69$40K−2.9% of holdingnot yet — horizon still opennot yet — horizon still open60,301Form 4 · filed 1 day after the trade
2026-08-24CASEY JOSEPH FdirectorSale10,000 @ $22.72$227K−13.9% of holdingnot yet — horizon still opennot yet — horizon still open62,079Form 4 · filed 1 day after the trade
2026-08-21CASEY JOSEPH FdirectorSale10,000 @ $22.96$230K−12.2% of holdingnot yet — horizon still opennot yet — horizon still open72,079Form 4 · filed 3 days after the trade
2026-08-20CASEY JOSEPH FdirectorSale10,000 @ $22.88$229K−10.9% of holdingnot yet — horizon still opennot yet — horizon still open82,079Form 4 · filed 1 day after the trade
2026-08-19CASEY JOSEPH FdirectorSale10,000 @ $23.62$236K−9.8% of holdingnot yet — horizon still opennot yet — horizon still open92,079Form 4 · filed 1 day after the trade
2026-07-06Borgen LuisdirectorSale1,710 @ $22.71$39K−7.7% of holding+0.3%not yet — horizon still open20,475Form 4 · filed 1 day after the trade
2026-06-29Borgen LuisdirectorSale1,709 @ $21.97$38K−7.2% of holding+6.0%not yet — horizon still open22,185Form 4 · filed 1 day after the trade
2026-03-06Rosato R DavidofficerPurchase5,000 @ $18.45$92K+11.1% of holding+6.7%+2.8%50,000Form 4 · filed 3 days after the trade
2026-03-05Rosato R DavidofficerPurchase5,000 @ $19.17$96K+12.5% of holding+6.8%+1.2%45,000Form 4 · filed 4 days after the trade
2026-02-05Ahlquist David AndrewofficerSale10,000 @ $21.65$217K−51.2% of holding−11.0%−6.7%9,518Form 4 · filed same day
2026-01-28Westermann Donald MichaelofficerSale21,256 @ $20.11$427K−50.5% of holding−0.5%+10.4%20,860Form 4 · filed 1 day after the trade
2025-12-08Borgen LuisdirectorSale4,500 @ $19.33$87K−18.4% of holding−0.8%+0.4%20,011Form 4 · filed 1 day after the trade
2025-12-01Borgen LuisdirectorSale4,500 @ $19.05$86K−15.5% of holding−2.8%−8.5%24,511Form 4 · filed 1 day after the trade
2025-11-26CASEY JOSEPH FdirectorSale322,771 @ $19.03$6.1M−89.9% of holding−2.8%−8.6%36,112Form 4 · filed 5 days after the trade
2025-10-29Rosato R DavidofficerPurchase10,000 @ $16.88$169K+33.3% of holding+13.1%+17.3%40,000Form 4 · filed same day
2025-10-28Rivers Robert FrancisdirectorPurchase50,000 @ $17.21$861K+14.2% of holding+11.8%+14.1%403,274Form 4 · filed same day
2025-10-28Rosato R DavidofficerPurchase10,000 @ $17.08$171K+50.0% of holding+11.8%+14.1%30,000Form 4 · filed 1 day after the trade
2025-09-16SHEAHAN DENIS KdirectorSale1 @ $13.85$14−0.0% of holding+6.7%+7.3%33,305Form 4 · filed 168 days after the trade
2025-08-27Miller Quincy LeeofficerPurchase13,706 @ $17.07$234Kownership Δ n/a+5.4%+9.4%13,706Form 4 · filed 2 days after the trade
2025-08-27Henry Kathleen ClohertyofficerPurchase5,855 @ $17.07$100K+26.2% of holding+5.4%+9.4%28,219Form 4 · filed 2 days after the trade
2025-08-27Antonakes Steven LouisofficerPurchase5,244 @ $17.07$90K+68.3% of holding+5.4%+9.4%12,925Form 4 · filed 2 days after the trade
2025-08-27Antonakes Steven LouisofficerPurchase940 @ $17.02$16K+1.5% of holding+5.4%+9.4%62,358Form 4 · filed 2 days after the trade
2025-08-25Rivers Robert FrancisdirectorPurchase44,642 @ $16.71$746K+14.5% of holding+6.0%+19.2%353,274Form 4 · filed 1 day after the trade
2025-08-25SHEAHAN DENIS KdirectorPurchase29,762 @ $16.71$497Kownership Δ n/a+6.0%+19.2%29,762Form 4 · filed 1 day after the trade
2025-05-20Borgen LuisdirectorSale2,348 @ $15.60$37K−7.5% of holding−7.7%+1.6%29,011Form 4 · filed same day
2025-05-13Borgen LuisdirectorSale2,348 @ $15.68$37K−7.9% of holding−5.6%−3.7%27,187Form 4 · filed 7 days after the trade
2025-03-11Rosato R DavidofficerPurchase10,000 @ $15.40$154K+100.0% of holding−0.5%−6.4%20,000Form 4 · filed 2 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.

166 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
2026-09-03SHEAHAN DENIS KdirectorWithheld for tax4,1624,445Form 4
2026-09-03Rosato R DavidofficerWithheld for tax3,35418,734Form 4
2026-09-03Rosato R DavidofficerOption exercise11,35611,358Form 4
2026-09-03SHEAHAN DENIS KdirectorOption exercise8,6078,607Form 4
2026-09-03SHEAHAN DENIS KdirectorOption exercise8,6078,608Form 4
2026-09-03Rosato R DavidofficerOption exercise11,35622,088Form 4
2026-05-18CHUNG JOSEPHdirectorAward / grant3,883132,498Form 4
2026-05-18Borgen LuisdirectorAward / grant3,88323,894Form 4
2026-05-18CASEY JOSEPH FdirectorAward / grant3,8833,883Form 4
2026-05-18Palandjian Leon AghababaidirectorAward / grant3,88399,561Form 4
2026-05-18Jackson Deborah CdirectorAward / grant3,88375,339Form 4
2026-05-18Williams Linda MariedirectorAward / grant3,88312,751Form 4
2026-05-18Sullivan Michael JamesdirectorAward / grant3,883132,206Form 4
2026-05-18Zelleke Andargachew SdirectorAward / grant3,88313,595Form 4
2026-05-18Markell Peter KennethdirectorAward / grant3,883182,498Form 4
2026-05-18HARNEY MARISAdirectorAward / grant3,88312,751Form 4
2026-05-18Bane Richard CoreydirectorAward / grant3,883202,498Form 4
2026-05-18Harlam Bari AdirectorAward / grant3,88381,967Form 4
2026-05-18Holbrook Richard EdwarddirectorAward / grant3,883278,998Form 4
2026-05-18Schmidt Cathleen AgnesdirectorAward / grant3,88313,011Form 4
2026-05-18Hessan DianedirectorAward / grant3,883122,498Form 4
2026-03-03SHEAHAN DENIS KdirectorWithheld for tax15,18418,881Form 4
2026-03-03Rivers Robert FrancisdirectorWithheld for tax5,427458,282Form 4
2026-03-03Miller Quincy LeeofficerWithheld for tax2,49366,538Form 4
2026-03-03Rosato R DavidofficerWithheld for tax1,42510,732Form 4
2026-03-03Henry Kathleen ClohertyofficerWithheld for tax96157,146Form 4
2026-03-03Westermann Donald MichaelofficerWithheld for tax96132,972Form 4
2026-03-03Ahlquist David AndrewofficerWithheld for tax56712,972Form 4
2026-03-03Antonakes Steven LouisofficerWithheld for tax48675,290Form 4
2026-03-03Miller Quincy LeeofficerOption exercise5,62111,243Form 4
2026-03-03Henry Kathleen ClohertyofficerOption exercise2,16532,532Form 4
2026-03-03Henry Kathleen ClohertyofficerOption exercise2,16558,107Form 4
2026-03-03Ahlquist David AndrewofficerOption exercise1,63413,539Form 4
2026-03-03Ahlquist David AndrewofficerOption exercise1,6343,269Form 4
2026-03-03Rivers Robert FrancisdirectorOption exercise11,223463,709Form 4
2026-03-03Rivers Robert FrancisdirectorOption exercise11,22322,448Form 4
2026-03-03SHEAHAN DENIS KdirectorOption exercise34,06534,065Form 4
2026-03-03Miller Quincy LeeofficerOption exercise5,62169,031Form 4
2026-03-03Westermann Donald MichaelofficerOption exercise2,16533,933Form 4
2026-03-03Westermann Donald MichaelofficerOption exercise2,16532,532Form 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.