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

Issued 2026-09-16 at $4.08 · now $4.08 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, MGNX has typically landed between $2.84 and $5.80 — a range of −30.5% to +42.0% from the issuance price $4.08.

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

3,228 overlapping 1 month windows · 2013-10-102026-08-17 · basis climatology · forecast (batch). Probability up 53.9% (90% CI 51.756.1%, ≈1,408 obs).

The cone is anchored at the 2026-09-16 issuance close ($4.08) — 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 MGNX has typically landed a month from the 2026-09-16 close of $4.08 — the range is history, not a prediction.

$2.84worst · -30.5%$5.8best · +42.0%
  • now $4.08 (+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). $4.03 (-1.3%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $3.49$4.56
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $2.84$5.8
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 3,228 windows spanning 2013-10-10 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
2024-04-11−76.3%−76.3%+0.0%
2024-04-12−74.6%−75.0%+0.0%
2024-04-18−73.5%−73.5%+1.9%
3 best
2020-04-16+401.9%+0.0%+422.1%
2020-04-08+392.0%−2.8%+392.0%
2020-04-09+371.4%−9.7%+371.4%

3,228 overlapping windows · 2013-10-102026-09-16 · 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 ~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
31%
−0.5%
n=13
Feb
62%
+6.7%
n=13
Mar
38%
−3.8%
n=13
Apr
54%
+1.6%
n=13
May
38%
+3.5%
n=13
Jun
54%
+4.1%
n=13
Jul
23%
−3.0%
n=13
Aug
54%
+3.1%
n=13
Sep
15%
−6.3%
n=13
Oct
50%
+1.4%
n=12
Nov
62%
+11.3%
n=13
Dec
46%
−0.7%
n=13

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$5$12026-08-19: 1 insider sale, $129K — Peters Jeffrey Stuart2025-08-20: 1 insider purchase, $74K — HEIDEN WILLIAM K2025-08-19: 1 insider purchase, $77K — HEIDEN WILLIAM K2025-08: 2 open-market purchases, $151K2026-08: 1 open-market sale, $129K↑ buys↓ salesofficer Peters Jeffrey Stuart — Sale on 2026-08-19, filed 1 day after the tradedirector HEIDEN WILLIAM K — Purchase on 2025-08-20, filed 1 day after the tradedirector HEIDEN WILLIAM K — Purchase on 2025-08-19, filed 2 days after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-08-19Peters Jeffrey StuartofficerSale31,105 @ $4.15$129K−100.0% of holdingnot yet — horizon still opennot yet — horizon still open0Form 4 · filed 1 day after the trade
2025-08-20HEIDEN WILLIAM KdirectorPurchase49,500 @ $1.49$74K+80.5% of holding+4.4%+5.4%111,000Form 4 · filed 1 day after the trade
2025-08-19HEIDEN WILLIAM KdirectorPurchase50,500 @ $1.52$77K+459.1% of holding+12.6%+8.5%61,500Form 4 · filed 2 days after the trade
2025-02-15Smith Beth AnnofficerSale423 @ $2.56$1K−4.2% of holding−11.9%−46.8%9,532Form 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.

254 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
2026-08-17Bonvini EzioofficerOption exercise40,000185,799Form 4
2026-08-17Bonvini EzioofficerOption exercise40,00088,000Form 4
2026-05-19HEIDEN WILLIAM KdirectorAward / grant3,7503,750Form 4
2026-05-19HEIDEN WILLIAM KdirectorAward / grant22,00022,000Form 4
2026-05-19HURWITZ EDWARDdirectorAward / grant22,00022,000Form 4
2026-05-19Ferrante Karen JeandirectorAward / grant3,7503,750Form 4
2026-05-19O'Brien Federica F.directorAward / grant3,7503,750Form 4
2026-05-19HURWITZ EDWARDdirectorAward / grant3,7503,750Form 4
2026-05-19STUMP DAVID CdirectorAward / grant22,00022,000Form 4
2026-05-19Chhabra MeenudirectorAward / grant22,00022,000Form 4
2026-05-19Chhabra MeenudirectorAward / grant3,7503,750Form 4
2026-05-19Jackson Scott ThomasdirectorAward / grant3,7503,750Form 4
2026-05-19Koenig ScottdirectorAward / grant3,7503,750Form 4
2026-05-19Koenig ScottdirectorAward / grant22,00022,000Form 4
2026-05-19Liu MargaretdirectorAward / grant3,7503,750Form 4
2026-05-19STUMP DAVID CdirectorAward / grant3,7503,750Form 4
2026-05-19Liu MargaretdirectorAward / grant22,00022,000Form 4
2026-05-19Jackson Scott ThomasdirectorAward / grant22,00022,000Form 4
2026-05-19O'Brien Federica F.directorAward / grant22,00022,000Form 4
2026-05-19Ferrante Karen JeandirectorAward / grant22,00022,000Form 4
2026-05-18Chhabra MeenudirectorOption exercise3,7500Form 4
2026-05-18Jackson Scott ThomasdirectorOption exercise3,7500Form 4
2026-05-18O'Brien Federica F.directorOption exercise3,7500Form 4
2026-05-18Ferrante Karen JeandirectorOption exercise3,7500Form 4
2026-05-18SIEGEL JAY PHILIPdirectorOption exercise3,7500Form 4
2026-05-18STUMP DAVID CdirectorOption exercise3,7500Form 4
2026-05-18Liu MargaretdirectorOption exercise3,7500Form 4
2026-05-18HEIDEN WILLIAM KdirectorOption exercise3,7500Form 4
2026-05-18HURWITZ EDWARDdirectorOption exercise3,7500Form 4
2026-05-18HEIDEN WILLIAM KdirectorOption exercise3,750114,750Form 4
2026-05-18Chhabra MeenudirectorOption exercise3,75014,750Form 4
2026-05-18Liu MargaretdirectorOption exercise3,75014,750Form 4
2026-05-18HURWITZ EDWARDdirectorOption exercise3,75047,824Form 4
2026-05-18Jackson Scott ThomasdirectorOption exercise3,75014,750Form 4
2026-05-18O'Brien Federica F.directorOption exercise3,75014,750Form 4
2026-05-18SIEGEL JAY PHILIPdirectorOption exercise3,75014,750Form 4
2026-05-18Jackson Scott ThomasdirectorOption exercise3,75014,750Form 4
2026-05-18Ferrante Karen JeandirectorOption exercise3,75014,750Form 4
2026-05-18SIEGEL JAY PHILIPdirectorOption exercise3,75014,750Form 4
2026-05-18STUMP DAVID CdirectorOption exercise3,75014,750Form 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.