YSSYork Space Systems, Inc.Industrials · Aerospace & Defenseas of 2026-09-16
Horizon

Issued 2026-09-16 at $8.23 · now $8.23 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, YSS has typically landed between $4.65 and $14.87 — a range of −43.4% to +80.7% from the issuance price $8.23.

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

138 overlapping 1 month windows · 2026-01-292026-08-17 · basis climatology · forecast (batch).

The cone is anchored at the 2026-09-16 issuance close ($8.23) — 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 YSS has typically landed a month from the 2026-09-16 close of $8.23 — the range is history, not a prediction.

$4.65worst · -43.4%$14.87best · +80.7%
  • now $8.23 (+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). $6.4 (-22.3%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $4.73$8.07
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $4.65$14.87
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 138 windows spanning 2026-01-29 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
2026-07-27−50.6%−51.2%+0.0%
2026-07-28−48.7%−48.7%+0.0%
2026-07-08−48.1%−48.1%+1.2%
3 best
2026-03-19+117.6%+0.0%+124.4%
2026-03-17+105.1%−5.4%+112.4%
2026-03-16+100.2%−10.8%+100.2%

138 overlapping windows · 2026-01-292026-09-16 · not cherry-picked

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$43$72026-08-07: 1 insider sale, $2.2M — BlackRock Portfolio Management LLC2026-08-06: 1 insider sale, $2.3M — BlackRock Portfolio Management LLC2026-08-05: 2 insider sales, $1.7M — BlackRock Portfolio Management LLC …2026-08-04: 2 insider sales, $8.3M — BlackRock Portfolio Management LLC …2026-08-03: 1 insider sale, $207K — BlackRock Portfolio Management LLC2026-07-31: 1 insider sale, $539K — BlackRock Portfolio Management LLC2026-07-30: 1 insider sale, $2.1M — BlackRock Portfolio Management LLC2026-07-29: 1 insider sale, $971K — BlackRock Portfolio Management LLC2026-01-30: 3 insider purchases, $25.7M — BlackRock Portfolio Management LLC, Erwin Tami A., Letarte Tyler2026-01: 3 open-market purchases, $25.7M2026-07: 3 open-market sales, $3.6M2026-08: 7 open-market sales, $14.8M↑ buys↓ salestenPercentOwner BlackRock Portfolio Management LLC — Sale on 2026-08-07, filed 3 days after the tradetenPercentOwner BlackRock Portfolio Management LLC — Sale on 2026-08-06, filed 4 days after the tradetenPercentOwner BlackRock Portfolio Management LLC — Sale on 2026-08-05, filed 1 day after the tradetenPercentOwner BlackRock Portfolio Management LLC — Sale on 2026-08-05, filed 1 day after the tradetenPercentOwner BlackRock Portfolio Management LLC — Sale on 2026-08-04, filed 2 days after the tradetenPercentOwner BlackRock Portfolio Management LLC — Sale on 2026-08-04, filed 2 days after the tradetenPercentOwner BlackRock Portfolio Management LLC — Sale on 2026-08-03, filed 1 day after the tradetenPercentOwner BlackRock Portfolio Management LLC — Sale on 2026-07-31, filed 4 days after the tradetenPercentOwner BlackRock Portfolio Management LLC — Sale on 2026-07-30, filed 1 day after the tradetenPercentOwner BlackRock Portfolio Management LLC — Sale on 2026-07-29, filed 2 days after the tradetenPercentOwner BlackRock Portfolio Management LLC — Purchase on 2026-01-30, filed 4 days after the tradedirector Erwin Tami A. — Purchase on 2026-01-30, filed 4 days after the tradedirector Letarte Tyler — Purchase on 2026-01-30, filed 4 days after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-08-07BlackRock Portfolio Management LLCtenPercentOwnerSale200,170 @ $10.99$2.2M−1.2% of holding−20.8%not yet — horizon still open16,517,115Form 4 · filed 3 days after the trade
2026-08-06BlackRock Portfolio Management LLCtenPercentOwnerSale201,504 @ $11.60$2.3M−1.2% of holding−17.9%not yet — horizon still open16,717,285Form 4 · filed 4 days after the trade
2026-08-05BlackRock Portfolio Management LLCtenPercentOwnerSale116,162 @ $13.49$1.6M−0.7% of holding−35.7%not yet — horizon still open16,943,178Form 4 · filed 1 day after the trade
2026-08-05BlackRock Portfolio Management LLCtenPercentOwnerSale11,784 @ $15.28$180K−0.1% of holding−35.7%not yet — horizon still open16,931,394Form 4 · filed 1 day after the trade
2026-08-04BlackRock Portfolio Management LLCtenPercentOwnerSale456,310 @ $15.58$7.1M−2.6% of holding−42.6%not yet — horizon still open17,059,340Form 4 · filed 2 days after the trade
2026-08-04BlackRock Portfolio Management LLCtenPercentOwnerSale77,743 @ $15.02$1.2M−0.4% of holding−42.6%not yet — horizon still open17,515,650Form 4 · filed 2 days after the trade
2026-08-03BlackRock Portfolio Management LLCtenPercentOwnerSale13,754 @ $15.03$207K−0.1% of holding−38.8%not yet — horizon still open17,593,393Form 4 · filed 1 day after the trade
2026-07-31BlackRock Portfolio Management LLCtenPercentOwnerSale35,574 @ $15.14$539K−0.2% of holding−41.0%not yet — horizon still open17,607,147Form 4 · filed 4 days after the trade
2026-07-30BlackRock Portfolio Management LLCtenPercentOwnerSale140,823 @ $15.18$2.1M−0.8% of holding−44.9%not yet — horizon still open17,642,721Form 4 · filed 1 day after the trade
2026-07-29BlackRock Portfolio Management LLCtenPercentOwnerSale63,390 @ $15.31$971K−0.4% of holding−44.5%not yet — horizon still open17,783,544Form 4 · filed 2 days after the trade
2026-01-30BlackRock Portfolio Management LLCtenPercentOwnerPurchase752,500 @ $34.00$25.6M+4.4% of holding−26.9%−68.0%17,846,934Form 4 · filed 4 days after the trade
2026-01-30Erwin Tami A.directorPurchase2,941 @ $34.00$100K+3.8% of holding−26.9%−68.0%79,984Form 4 · filed 4 days after the trade
2026-01-30Letarte TylerdirectorPurchase1,470 @ $34.00$50Kownership Δ n/a−26.9%−68.0%1,470Form 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.

14 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
2026-07-08AEROEQUITY GP, LLCtenPercentOwnerAward / grant2,289,36632,915,588Form 4
2026-06-04AEROEQUITY GP, LLCtenPercentOwnerAward / grant287,78930,483,877Form 4
2026-04-10Davidson JaninedirectorAward / grant4,3814,381Form 4
2026-01-30Wallinger DirkdirectorAward / grant569,92010,141,966Form 4
2026-01-30Frantz Brian DofficerAward / grant10,29416,000Form 4
2026-01-30Messerle KevinofficerAward / grant80,88280,882Form 4
2026-01-30Rudra DevjyotiofficerAward / grant23,529358,357Form 4
2026-01-30McConville JamesdirectorAward / grant5,2945,294Form 4
2026-01-30Brothers Louis R JrdirectorAward / grant5,2945,294Form 4
2026-01-30Boyd AndrewdirectorAward / grant5,2945,294Form 4
2026-01-30Erwin Tami A.directorAward / grant5,29477,043Form 4
2026-01-30Palko Monica J.officerAward / grant54,41254,412Form 4
2026-01-30Konert Kirk MichaeldirectorAward / grant5,2945,294Form 4
2026-01-30Letarte TylerdirectorAward / grant5,2945,294Form 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.