XNCRXencor, Inc.Healthcare · Biotechnologyas of 2026-09-16
Horizon

Issued 2026-09-16 at $23.71 · now $23.71 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, XNCR has typically landed between $18.74 and $31.23 — a range of −21.0% to +31.7% from the issuance price $23.71.

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

3,194 overlapping 1 month windows · 2013-12-03 – 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 ($23.71) — 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 XNCR has typically landed a month from the 2026-09-16 close of $23.71 — the range is history, not a prediction.

$18.74worst · -21.0%$31.23best · +31.7%
  • now $23.71 (+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). $23.22 (-2.0%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $20.68–$25.77
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $18.74–$31.23
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 3,194 windows spanning 2013-12-03 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
2025-03-10−43.7%−43.7%+0.0%
2020-02-13−43.5%−43.5%+0.0%
2025-03-12−39.7%−41.6%+2.6%
3 best
2025-09-16+63.6%+0.0%+63.6%
2025-09-12+62.3%−1.3%+62.3%
2026-06-18+61.8%+0.0%+61.8%

3,194 overlapping windows · 2013-12-03 – 2026-09-16 · not cherry-picked

Pending catalysts

  • April 2028 — Trial primary completion: Phase 1/Phase PHASE2 primary completion: Study of XmAb942 in Healthy Participants and Participants With Ulcerative Colitis (source, as of 2026-08-14)

Public, scheduled events — dated attention, not a prediction of the outcome. See the FDA catalysts page for the historical base rate.

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 ~13 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
23%
−6.1%
n=13
Feb
62%
+4.6%
n=13
Mar
23%
−5.2%
n=13
Apr
15%
−3.6%
n=13
May
54%
+1.7%
n=13
Jun
62%
+10.8%
n=13
Jul
62%
+2.1%
n=13
Aug
46%
+1.3%
n=13
Sep
38%
+0.5%
n=13
Oct
50%
+0.6%
n=12
Nov
92%
+14.9%
n=12
Dec
50%
+0.6%
n=12

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$29$72026-06-18: 1 insider sale, $89K — Feigal Ellen2026-06-15: 4 insider sales, $290K — GORMAN KEVIN CHARLES, GUSTAFSON KURT A, RANIERI RICHARD J, Montgomery Alan Bruce2026-04-10: 1 insider sale, $43K — Cornelissen Bart Jan2026-03-06: 3 insider sales, $120K — Dahiyat Bassil I, Desjarlais John R, Eckert Celia2026-03-05: 4 insider sales, $278K — Dahiyat Bassil I, Desjarlais John R, Eckert Celia, Cornelissen Bart Jan2026-03-03: 3 insider sales, $130K — Dahiyat Bassil I, Desjarlais John R, Eckert Celia2025-12-19: 2 insider sales, $3.0M — Dahiyat Bassil I, Desjarlais John R2025-12: 2 open-market sales, $3.0M2026-03: 10 open-market sales, $528K2026-04: 1 open-market sale, $43K2026-06: 5 open-market sales, $379K↑ buys↓ salesdirector Feigal Ellen — Sale on 2026-06-18, filed 4 days after the tradedirector GORMAN KEVIN CHARLES — Sale on 2026-06-15, filed 2 days after the tradedirector GUSTAFSON KURT A — Sale on 2026-06-15, filed 2 days after the tradedirector RANIERI RICHARD J — Sale on 2026-06-15, filed 2 days after the tradedirector Montgomery Alan Bruce — Sale on 2026-06-15, filed 2 days after the tradeofficer Cornelissen Bart Jan — Sale on 2026-04-10, filed 3 days after the tradedirector Dahiyat Bassil I — Sale on 2026-03-06, filed 3 days after the tradeofficer Desjarlais John R — Sale on 2026-03-06, filed 3 days after the tradeofficer Eckert Celia — Sale on 2026-03-06, filed 3 days after the tradedirector Dahiyat Bassil I — Sale on 2026-03-05, filed 4 days after the tradeofficer Desjarlais John R — Sale on 2026-03-05, filed 4 days after the tradeofficer Eckert Celia — Sale on 2026-03-05, filed 4 days after the tradeofficer Cornelissen Bart Jan — Sale on 2026-03-05, filed 4 days after the tradedirector Dahiyat Bassil I — Sale on 2026-03-03, filed 1 day after the tradeofficer Desjarlais John R — Sale on 2026-03-03, filed 1 day after the tradeofficer Eckert Celia — Sale on 2026-03-03, filed 1 day after the tradedirector Dahiyat Bassil I — Sale on 2025-12-19, filed 4 days after the tradeofficer Desjarlais John R — Sale on 2025-12-19, filed 4 days after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-06-18Feigal EllendirectorSale6,843 @ $13.06$89K−35.7% of holding+61.6%not yet — horizon still open12,340Form 4 · filed 4 days after the trade
2026-06-15GORMAN KEVIN CHARLESdirectorSale7,527 @ $12.31$93K−39.8% of holding+22.7%not yet — horizon still open11,378Form 4 · filed 2 days after the trade
2026-06-15GUSTAFSON KURT AdirectorSale5,474 @ $12.31$67K−27.1% of holding+22.7%not yet — horizon still open14,709Form 4 · filed 2 days after the trade
2026-06-15RANIERI RICHARD JdirectorSale5,474 @ $12.31$67K−28.5% of holding+22.7%not yet — horizon still open13,709Form 4 · filed 2 days after the trade
2026-06-15Montgomery Alan BrucedirectorSale5,064 @ $12.31$62K−24.6% of holding+22.7%not yet — horizon still open15,547Form 4 · filed 2 days after the trade
2026-04-10Cornelissen Bart JanofficerSale3,499 @ $12.29$43K−4.4% of holding−5.8%not yet — horizon still open75,898Form 4 · filed 3 days after the trade
2026-03-06Dahiyat Bassil IdirectorSale6,606 @ $11.02$73K−1.2% of holding+10.4%+119.9%546,316Form 4 · filed 3 days after the trade
2026-03-06Desjarlais John RofficerSale2,502 @ $11.02$28K−0.9% of holding+10.4%+119.9%263,831Form 4 · filed 3 days after the trade
2026-03-06Eckert CeliaofficerSale1,767 @ $11.02$19K−2.2% of holding+10.4%+119.9%76,918Form 4 · filed 3 days after the trade
2026-03-05Dahiyat Bassil IdirectorSale14,870 @ $11.25$167K−2.6% of holding+14.5%+124.4%552,922Form 4 · filed 4 days after the trade
2026-03-05Desjarlais John RofficerSale4,118 @ $11.25$46K−1.5% of holding+14.5%+124.4%266,333Form 4 · filed 4 days after the trade
2026-03-05Eckert CeliaofficerSale3,244 @ $11.25$36K−4.0% of holding+14.5%+124.4%78,685Form 4 · filed 4 days after the trade
2026-03-05Cornelissen Bart JanofficerSale2,517 @ $11.25$28K−3.1% of holding+14.5%+124.4%79,397Form 4 · filed 4 days after the trade
2026-03-03Dahiyat Bassil IdirectorSale6,758 @ $11.90$80K−1.2% of holding+7.7%+119.6%567,792Form 4 · filed 1 day after the trade
2026-03-03Desjarlais John RofficerSale2,663 @ $11.90$32K−1.0% of holding+7.7%+119.6%270,451Form 4 · filed 1 day after the trade
2026-03-03Eckert CeliaofficerSale1,492 @ $11.90$18K−1.8% of holding+7.7%+119.6%81,929Form 4 · filed 1 day after the trade
2025-12-19Dahiyat Bassil IdirectorSale114,377 @ $15.71$1.8M−19.7% of holding−16.9%−15.4%466,635Form 4 · filed 4 days after the trade
2025-12-19Desjarlais John RofficerSale73,367 @ $15.72$1.2M−23.7% of holding−16.9%−15.4%236,574Form 4 · filed 4 days after the trade
2025-06-16GORMAN KEVIN CHARLESdirectorSale3,173 @ $9.22$29K−14.4% of holding−4.3%+71.9%18,905Form 4 · filed same day
2025-06-16RANIERI RICHARD JdirectorSale2,993 @ $9.22$28K−13.5% of holding−4.3%+71.9%19,183Form 4 · filed same day
2025-06-16GUSTAFSON KURT AdirectorSale2,993 @ $9.22$28K−12.9% of holding−4.3%+71.9%20,183Form 4 · filed same day
2025-06-16Feigal EllendirectorSale2,993 @ $9.22$28K−13.5% of holding−4.3%+71.9%19,183Form 4 · filed same day
2025-06-16Montgomery Alan BrucedirectorSale2,215 @ $9.22$20K−9.7% of holding−4.3%+71.9%20,611Form 4 · filed same day
2025-05-02Valente NancyofficerSale4,616 @ $11.03$51K−8.6% of holding−24.0%+9.6%49,169Form 4 · filed 4 days after the trade
2025-04-10Cornelissen Bart JanofficerSale3,750 @ $8.06$30K−5.8% of holding−0.4%+39.3%61,348Form 4 · filed 4 days after the trade
2025-03-10Dahiyat Bassil IdirectorSale19,716 @ $13.60$268K−4.1% of holding−32.6%−55.7%465,419Form 4 · filed 1 day after the trade
2025-03-10Desjarlais John RofficerSale9,697 @ $13.60$132K−3.9% of holding−32.6%−55.7%236,574Form 4 · filed 1 day after the trade
2025-03-10Eckert CeliaofficerSale5,740 @ $13.60$78K−8.3% of holding−32.6%−55.7%63,507Form 4 · filed 1 day after the trade
2025-03-10Valente NancyofficerSale2,565 @ $13.60$35K−4.6% of holding−32.6%−55.7%53,785Form 4 · filed 1 day 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.

62 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
2026-06-16Deshaies Raymond JosephdirectorAward / grant10,30210,302Form 4
2026-06-16Feigal EllendirectorAward / grant10,30222,642Form 4
2026-06-16Feigal EllendirectorAward / grant20,60420,604Form 4
2026-06-16GORMAN KEVIN CHARLESdirectorAward / grant10,30221,680Form 4
2026-06-16GORMAN KEVIN CHARLESdirectorAward / grant20,60420,604Form 4
2026-06-16GUSTAFSON KURT AdirectorAward / grant10,30225,011Form 4
2026-06-16GUSTAFSON KURT AdirectorAward / grant20,60420,604Form 4
2026-06-16Klencke BarbaradirectorAward / grant10,30229,974Form 4
2026-06-16Klencke BarbaradirectorAward / grant20,60420,604Form 4
2026-06-16Montgomery Alan BrucedirectorAward / grant10,30225,849Form 4
2026-06-16Montgomery Alan BrucedirectorAward / grant20,60420,604Form 4
2026-06-16RANIERI RICHARD JdirectorAward / grant10,30224,011Form 4
2026-06-16RANIERI RICHARD JdirectorAward / grant20,60420,604Form 4
2026-06-16SIMPSON TODD EdirectorAward / grant10,30223,988Form 4
2026-06-16SIMPSON TODD EdirectorAward / grant20,60420,604Form 4
2026-06-16Deshaies Raymond JosephdirectorAward / grant20,60420,604Form 4
2026-03-02Cornelissen Bart JanofficerAward / grant116,750116,750Form 4
2026-03-02Desjarlais John RofficerAward / grant149,440149,440Form 4
2026-03-02Desjarlais John RofficerAward / grant24,907273,114Form 4
2026-03-02Eckert CeliaofficerAward / grant18,68083,421Form 4
2026-03-02Eckert CeliaofficerAward / grant112,080112,080Form 4
2026-03-02Cornelissen Bart JanofficerAward / grant19,45881,914Form 4
2026-03-02Dahiyat Bassil IdirectorAward / grant97,291574,550Form 4
2026-03-02Dahiyat Bassil IdirectorAward / grant583,748583,748Form 4
2026-01-23Desjarlais John RofficerOption exercise5,322248,207Form 4
2026-01-23Desjarlais John RofficerOption exercise5,3220Form 4
2025-12-22Dahiyat Bassil IdirectorOption exercise10,624477,259Form 4
2025-12-22Desjarlais John RofficerOption exercise6,311242,885Form 4
2025-12-22Dahiyat Bassil IdirectorOption exercise10,6240Form 4
2025-12-22Desjarlais John RofficerOption exercise6,3115,322Form 4
2025-12-19Dahiyat Bassil IdirectorOption exercise114,377581,012Form 4
2025-12-19Desjarlais John RofficerOption exercise73,367309,941Form 4
2025-12-19Desjarlais John RofficerOption exercise73,36711,633Form 4
2025-12-19Dahiyat Bassil IdirectorOption exercise114,37710,624Form 4
2025-07-31Deshaies Raymond JosephdirectorAward / grant110,422110,422Form 4
2025-06-12GORMAN KEVIN CHARLESdirectorAward / grant27,37227,372Form 4
2025-06-12GUSTAFSON KURT AdirectorAward / grant13,68623,176Form 4
2025-06-12GUSTAFSON KURT AdirectorAward / grant27,37227,372Form 4
2025-06-12RANIERI RICHARD JdirectorAward / grant13,68622,176Form 4
2025-06-12RANIERI RICHARD JdirectorAward / grant27,37227,372Form 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.