ACNBACNB CorporationFinancial Services · Banks - Regionalas of 2026-09-16
Horizon

Issued 2026-09-16 at $64.55 · now $64.55 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, ACNB has typically landed between $57.15 and $75.33 — a range of −11.5% to +16.7% from the issuance price $64.55.

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

5,003 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 ($64.55) — 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 ACNB has typically landed a month from the 2026-09-16 close of $64.55 — the range is history, not a prediction.

$57.15worst · -11.5%$75.33best · +16.7%
  • now $64.55 (+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). $65.88 (+2.1%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $62.45–$69.31
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $57.15–$75.33
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 5,003 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
2020-02-13−41.7%−41.7%+0.7%
2020-02-11−41.2%−41.2%+0.0%
2020-02-18−41.2%−41.2%+2.8%
3 best
2024-06-14+34.1%+0.0%+34.1%
2023-05-08+31.1%−1.0%+31.1%
2024-06-13+31.0%−1.6%+31.0%

5,003 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
50%
−2.1%
n=20
Feb
55%
−0.5%
n=20
Mar
60%
+0.4%
n=20
Apr
50%
−0.5%
n=20
May
60%
+2.2%
n=20
Jun
60%
+2.9%
n=20
Jul
45%
+0.5%
n=20
Aug
70%
+1.9%
n=20
Sep
35%
−0.8%
n=20
Oct
75%
+1.9%
n=20
Nov
80%
+5.2%
n=20
Dec
70%
+1.6%
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$66$412026-08-07: 1 insider sale, $97K — Seibel Donald Arthur Jr2026-03-13: 1 insider purchase, $250 — ELSNER FRANK III2026-02-03: 1 insider sale, $38K — Hayes Kevin J2026-01-26: 1 insider sale, $72K — FULK BRETT D2025-12-15: 1 insider sale, $145K — FULK BRETT D2025-12-15: 1 insider purchase, $250 — ELSNER FRANK III2025-12-11: 1 insider sale, $255K — Seibel Donald Arthur Jr2025-11-20: 1 insider purchase, $16K — Kelley Scott L2025-09-15: 2 insider purchases, $12K — Lott James J, ELSNER FRANK III2025-09: 2 open-market purchases, $12K2025-11: 1 open-market purchase, $16K2025-12: 1 open-market purchase, $2502025-12: 2 open-market sales, $400K2026-01: 1 open-market sale, $72K2026-02: 1 open-market sale, $38K2026-03: 1 open-market purchase, $2502026-08: 1 open-market sale, $97K↑ buys↓ salesdirector Seibel Donald Arthur Jr — Sale on 2026-08-07, filed same daydirector ELSNER FRANK III — Purchase on 2026-03-13, filed 4 days after the tradeofficer Hayes Kevin J — Sale on 2026-02-03, filed 1 day after the tradeother FULK BRETT D — Sale on 2026-01-26, filed 1 day after the tradeother FULK BRETT D — Sale on 2025-12-15, filed 2 days after the tradedirector ELSNER FRANK III — Purchase on 2025-12-15, filed 2 days after the tradedirector Seibel Donald Arthur Jr — Sale on 2025-12-11, filed 1 day after the tradedirector Kelley Scott L — Purchase on 2025-11-20, filed 1 day after the tradedirector Lott James J — Purchase on 2025-09-15, filed 2 days after the tradedirector ELSNER FRANK III — Purchase on 2025-09-15, filed 2 days after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-08-07Seibel Donald Arthur JrdirectorSale1,500 @ $64.35$97K−22.0% of holding+2.4%not yet — horizon still open5,312Form 4 · filed same day
2026-03-13ELSNER FRANK IIIdirectorPurchase5 @ $46.42$250+0.0% of holding+4.9%+26.7%28,484Form 4 · filed 4 days after the trade
2026-02-03Hayes Kevin JofficerSale750 @ $51.30$38K−22.2% of holding−4.4%+15.8%2,632Form 4 · filed 1 day after the trade
2026-01-26FULK BRETT DotherSale1,486 @ $48.52$72K−58.7% of holding+5.7%+29.3%1,048Form 4 · filed 1 day after the trade
2025-12-15FULK BRETT DotherSale2,773 @ $52.27$145K−45.6% of holding−7.6%−0.0%3,306Form 4 · filed 2 days after the trade
2025-12-15ELSNER FRANK IIIdirectorPurchase5 @ $52.65$250+0.0% of holding−7.6%−0.0%28,174Form 4 · filed 2 days after the trade
2025-12-11Seibel Donald Arthur JrdirectorSale5,000 @ $51.00$255K−45.8% of holding−7.5%+2.0%5,927Form 4 · filed 1 day after the trade
2025-11-20Kelley Scott LdirectorPurchase396 @ $40.00$16K+1.5% of holding+2.6%+2.8%27,425Form 4 · filed 1 day after the trade
2025-09-15Lott James JdirectorPurchase251 @ $44.83$11K+1.4% of holding−0.9%+2.9%18,290Form 4 · filed 2 days after the trade
2025-09-15ELSNER FRANK IIIdirectorPurchase6 @ $44.83$258+0.0% of holding−0.9%+2.9%27,948Form 4 · filed 2 days after the trade
2025-06-13ELSNER FRANK IIIdirectorPurchase6 @ $40.97$250+0.0% of holding−0.0%+12.8%27,693Form 4 · filed 4 days after the trade
2025-03-14ELSNER FRANK IIIdirectorPurchase6 @ $41.75$253+0.0% of holding−0.5%−8.0%27,173Form 4 · filed 5 days after the trade
2024-12-13HELT JAMESdirectorPurchase55 @ $45.55$2K+0.2% of holding−13.6%−8.1%34,749Form 4 · filed 5 days after the trade
2024-12-13ELSNER FRANK IIIdirectorPurchase5 @ $45.55$250+0.0% of holding−13.6%−8.1%26,930Form 4 · filed 5 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.

135 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
2026-06-15Stock Alan JdirectorAward / grant24388,350Form 4
2026-06-15Chiaruttini Alexandra CdirectorAward / grant2433,230Form 4
2026-06-15Polli John M.directorAward / grant24336,124Form 4
2026-06-15Herring Todd LdirectorAward / grant24311,053Form 4
2026-06-15Newell Donna MdirectorAward / grant24312,642Form 4
2026-06-15Seibel Donald Arthur JrdirectorAward / grant2436,812Form 4
2026-06-15Lott James JdirectorAward / grant18219,180Form 4
2026-06-15Draganosky Eugene J.directorAward / grant18213,510Form 4
2026-06-15Chaney Kimberly SdirectorAward / grant1824,053Form 4
2026-06-15Carson Elizabeth F.directorAward / grant18213,145Form 4
2026-06-15ELSNER FRANK IIIdirectorAward / grant18228,798Form 4
2026-06-15ELSNER FRANK IIIdirectorAward / grant428,840Form 4
2026-03-13HELT JAMESdirectorAward / grant8,41947,512Form 4
2026-03-13Weber Jason HofficerAward / grant3,44211,536Form 4
2026-03-13Laub Laurie AotherAward / grant3,27818,067Form 4
2026-03-13FULK BRETT DotherAward / grant3,2394,287Form 4
2026-03-13Seibel Douglas AotherAward / grant3,13222,358Form 4
2026-03-13Berwager Emily EotherAward / grant1,7346,207Form 4
2026-03-13Hayes Kevin JofficerAward / grant1,6944,326Form 4
2026-03-13Bradley Andrew AotherAward / grant1,6722,888Form 4
2026-03-13HELT JAMESdirectorWithheld for tax80046,712Form 4
2026-03-13Laub Laurie AotherWithheld for tax37417,693Form 4
2026-03-13Weber Jason HofficerWithheld for tax33011,207Form 4
2026-03-13FULK BRETT DotherWithheld for tax3153,972Form 4
2026-03-13Seibel Douglas AotherWithheld for tax29722,060Form 4
2026-03-13Newell Donna MdirectorAward / grant29612,260Form 4
2026-03-13Chiaruttini Alexandra CdirectorAward / grant2962,963Form 4
2026-03-13Polli John M.directorAward / grant29635,860Form 4
2026-03-13Stock Alan JdirectorAward / grant29687,917Form 4
2026-03-13Herring Todd LdirectorAward / grant29610,657Form 4
2026-03-13Seibel Donald Arthur JrdirectorAward / grant2966,465Form 4
2026-03-13Draganosky Eugene J.directorAward / grant22213,313Form 4
2026-03-13Lott James JdirectorAward / grant22218,854Form 4
2026-03-13Carson Elizabeth F.directorAward / grant22212,948Form 4
2026-03-13ELSNER FRANK IIIdirectorAward / grant22228,460Form 4
2026-03-13Chaney Kimberly SdirectorAward / grant2223,808Form 4
2026-03-13Potts Daniel WdirectorAward / grant22210,044Form 4
2026-03-13Kelley Scott LdirectorAward / grant22228,000Form 4
2026-03-13Hayes Kevin JofficerWithheld for tax1924,134Form 4
2026-03-13Bradley Andrew AotherWithheld for tax1922,696Form 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.