PRIMPrimoris Services CorporationIndustrials · Engineering & Constructionas of 2026-09-16
Horizon

Issued 2026-09-16 at $76.94 · now $76.94 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, PRIM has typically landed between $63.96 and $93.53 — a range of −16.9% to +21.6% from the issuance price $76.94.

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

4,803 overlapping 1 month windows · 2006-10-26 – 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 ($76.94) — 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 PRIM has typically landed a month from the 2026-09-16 close of $76.94 — the range is history, not a prediction.

$63.96worst · -16.9%$93.53best · +21.6%
  • now $76.94 (+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). $78.84 (+2.5%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $72.53–$85.14
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $63.96–$93.53
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 4,803 windows spanning 2006-10-26 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
2020-02-18−56.8%−57.6%+0.0%
2020-02-11−55.9%−55.9%+3.9%
2020-02-19−51.4%−57.6%+0.0%
3 best
2020-03-12+64.4%+0.0%+71.2%
2020-03-18+46.7%+0.0%+68.2%
2009-05-13+44.4%−1.7%+44.4%

4,803 overlapping windows · 2006-10-26 – 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
65%
+2.4%
n=20
Feb
65%
+2.6%
n=20
Mar
30%
−2.8%
n=20
Apr
60%
+4.1%
n=20
May
55%
−0.9%
n=20
Jun
55%
+1.6%
n=20
Jul
50%
+0.2%
n=20
Aug
45%
+1.7%
n=20
Sep
55%
+0.4%
n=20
Oct
74%
+4.0%
n=19
Nov
75%
+5.5%
n=20
Dec
60%
+1.0%
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$203$722026-07-15: 1 insider purchase, $2K — MCCALLISTER TERRY D2026-05-28: 6 insider sales, $3.8M — Perisich John M. …2026-05-26: 3 insider sales, $2.4M — King David Lee …2026-04-15: 1 insider purchase, $2K — MCCALLISTER TERRY D2026-01-15: 1 insider purchase, $2K — MCCALLISTER TERRY D2025-12-11: 1 insider sale, $1.1M — Schauerman John P.2025-12-08: 1 insider sale, $281K — MASHINSKI CARLA S2025-11-10: 1 insider sale, $455K — King David Lee2025-11-07: 1 insider sale, $1.7M — Wagner Patricia K2025-10-15: 1 insider purchase, $2K — MCCALLISTER TERRY D2025-09-15: 1 insider sale, $373K — Kinch Jeremy2025-09-11: 1 insider sale, $352K — Ching Michael E.2025-08-12: 2 insider sales, $2.3M — Schauerman John P. …2025-08: 9 open-market sales, $5.8M2025-09: 2 open-market sales, $725K2025-10: 1 open-market purchase, $2K2025-11: 2 open-market sales, $2.1M2025-12: 2 open-market sales, $1.3M2026-01: 1 open-market purchase, $2K2026-04: 1 open-market purchase, $2K2026-05: 9 open-market sales, $6.2M2026-07: 1 open-market purchase, $2K↑ buys↓ salesdirector MCCALLISTER TERRY D — Purchase on 2026-07-15, filed 2 days after the tradeofficer Perisich John M. — Sale on 2026-05-28, filed 1 day after the tradeofficer Perisich John M. — Sale on 2026-05-28, filed 1 day after the tradeofficer Perisich John M. — Sale on 2026-05-28, filed 1 day after the tradeofficer Perisich John M. — Sale on 2026-05-28, filed 1 day after the tradeofficer Perisich John M. — Sale on 2026-05-28, filed 1 day after the tradeofficer Perisich John M. — Sale on 2026-05-28, filed 1 day after the tradedirector King David Lee — Sale on 2026-05-26, filed 2 days after the tradedirector King David Lee — Sale on 2026-05-26, filed 2 days after the tradedirector King David Lee — Sale on 2026-05-26, filed 2 days after the tradedirector MCCALLISTER TERRY D — Purchase on 2026-04-15, filed 2 days after the tradedirector MCCALLISTER TERRY D — Purchase on 2026-01-15, filed 1 day after the tradedirector Schauerman John P. — Sale on 2025-12-11, filed 4 days after the tradedirector MASHINSKI CARLA S — Sale on 2025-12-08, filed 1 day after the tradedirector King David Lee — Sale on 2025-11-10, filed 2 days after the tradedirector Wagner Patricia K — Sale on 2025-11-07, filed 5 days after the tradedirector MCCALLISTER TERRY D — Purchase on 2025-10-15, filed 2 days after the tradeofficer Kinch Jeremy — Sale on 2025-09-15, filed 1 day after the tradedirector Ching Michael E. — Sale on 2025-09-11, filed 4 days after the tradedirector Schauerman John P. — Sale on 2025-08-12, filed 2 days after the tradedirector Schauerman John P. — Sale on 2025-08-12, filed 2 days after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-07-15MCCALLISTER TERRY DdirectorPurchase20 @ $86.66$2K+0.1% of holding−13.9%not yet — horizon still open21,144Form 4 · filed 2 days after the trade
2026-05-28Perisich John M.officerSale9,450 @ $126.68$1.2M−34.3% of holding−21.7%not yet — horizon still open18,124Form 4 · filed 1 day after the trade
2026-05-28Perisich John M.officerSale6,147 @ $128.65$791K−50.8% of holding−21.7%not yet — horizon still open5,960Form 4 · filed 1 day after the trade
2026-05-28Perisich John M.officerSale6,017 @ $127.66$768K−33.2% of holding−21.7%not yet — horizon still open12,107Form 4 · filed 1 day after the trade
2026-05-28Perisich John M.officerSale5,855 @ $129.85$760K−98.2% of holding−21.7%not yet — horizon still open105Form 4 · filed 1 day after the trade
2026-05-28Perisich John M.officerSale2,133 @ $125.75$268K−7.2% of holding−21.7%not yet — horizon still open27,574Form 4 · filed 1 day after the trade
2026-05-28Perisich John M.officerSale105 @ $130.26$14K−100.0% of holding−21.7%not yet — horizon still open0Form 4 · filed 1 day after the trade
2026-05-26King David LeedirectorSale12,333 @ $118.55$1.5M−35.3% of holding−24.3%not yet — horizon still open22,608Form 4 · filed 2 days after the trade
2026-05-26King David LeedirectorSale3,917 @ $119.66$469K−17.3% of holding−24.3%not yet — horizon still open18,691Form 4 · filed 2 days after the trade
2026-05-26King David LeedirectorSale3,750 @ $120.27$451K−20.1% of holding−24.3%not yet — horizon still open14,941Form 4 · filed 2 days after the trade
2026-04-15MCCALLISTER TERRY DdirectorPurchase10 @ $164.40$2K+0.0% of holding−35.8%not yet — horizon still open20,857Form 4 · filed 2 days after the trade
2026-01-15MCCALLISTER TERRY DdirectorPurchase12 @ $138.00$2K+0.1% of holding+11.4%−49.0%20,552Form 4 · filed 1 day after the trade
2025-12-11Schauerman John P.directorSale7,815 @ $136.00$1.1M−9.5% of holding−0.1%−36.1%74,466Form 4 · filed 4 days after the trade
2025-12-08MASHINSKI CARLA SdirectorSale2,082 @ $135.14$281K−8.8% of holding−8.3%−36.8%21,530Form 4 · filed 1 day after the trade
2025-11-10King David LeedirectorSale3,500 @ $130.00$455K−14.1% of holding+2.0%−21.9%21,302Form 4 · filed 2 days after the trade
2025-11-07Wagner Patricia KdirectorSale13,491 @ $125.23$1.7M−75.0% of holding+3.4%−20.2%4,495Form 4 · filed 5 days after the trade
2025-10-15MCCALLISTER TERRY DdirectorPurchase12 @ $140.69$2K+0.1% of holding−16.7%+12.1%20,239Form 4 · filed 2 days after the trade
2025-09-15Kinch JeremyofficerSale3,006 @ $124.00$373K−23.9% of holding+13.4%+11.8%9,580Form 4 · filed 1 day after the trade
2025-09-11Ching Michael E.directorSale2,935 @ $119.89$352K−23.5% of holding+8.6%+7.6%9,534Form 4 · filed 4 days after the trade
2025-08-12Schauerman John P.directorSale10,000 @ $114.52$1.1M−9.8% of holding+4.8%+36.4%92,281Form 4 · filed 2 days after the trade
2025-08-12Schauerman John P.directorSale10,000 @ $113.50$1.1M−10.8% of holding+4.8%+36.4%82,281Form 4 · filed 2 days after the trade
2025-08-11Perisich John M.officerSale11,607 @ $111.51$1.3M−8.0% of holding+3.2%+35.8%133,607Form 4 · filed 2 days after the trade
2025-08-07Stricker TravisofficerSale4,635 @ $111.44$517K−48.1% of holding+1.7%+34.8%5,000Form 4 · filed 4 days after the trade
2025-08-06Perisich John M.officerSale6,583 @ $110.37$727K−69.9% of holding+3.6%+26.4%2,834Form 4 · filed 2 days after the trade
2025-08-06Perisich John M.officerSale2,834 @ $111.38$316K−100.0% of holding+3.6%+26.4%0Form 4 · filed 2 days after the trade
2025-08-06Perisich John M.officerSale2,859 @ $109.32$313K−23.3% of holding+3.6%+26.4%9,417Form 4 · filed 2 days after the trade
2025-08-06Perisich John M.officerSale2,737 @ $108.44$297K−18.2% of holding+3.6%+26.4%12,276Form 4 · filed 2 days after the trade
2025-08-06Perisich John M.officerSale682 @ $107.44$73K−4.3% of holding+3.6%+26.4%15,013Form 4 · filed 2 days after the trade
2025-06-24Schauerman John P.directorSale15,000 @ $77.37$1.2M−12.8% of holding+9.2%+48.7%102,281Form 4 · filed 15 days after the trade
2025-03-17McCormick Thomas EdwarddirectorSale54,126 @ $64.04$3.5M−50.0% of holding−5.5%+69.7%54,060Form 4 · filed 2 days after the trade
2025-03-17McCormick Thomas EdwarddirectorSale7,264 @ $64.55$469K−13.4% of holding−5.5%+69.7%46,796Form 4 · filed 2 days after the trade
2025-03-05Kinch JeremyofficerSale4,500 @ $68.24$307K−26.3% of holding−11.2%+60.3%12,586Form 4 · filed 1 day after the trade
2025-03-04Cook Stephen C.directorSale998 @ $68.00$68K−11.9% of holding−9.0%+60.6%7,377Form 4 · filed 2 days after the trade
2024-12-12Stricker TravisofficerSale4,583 @ $80.51$369K−43.3% of holding+7.0%−5.2%6,006Form 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.

199 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
2026-09-01Stricker TravisofficerAward / grant2,0815,278Form 4
2026-08-11Wagner Patricia KdirectorGift2,2411,220Form 4
2026-07-31Rodriguez Jose RamondirectorAward / grant35618,041Form 4
2026-07-31Ching Michael E.directorAward / grant35610,754Form 4
2026-07-31Ching Michael E.directorAward / grant35610,754Form 4
2026-07-31Saluja HarpreetdirectorAward / grant3561,719Form 4
2026-07-31MCCALLISTER TERRY DdirectorAward / grant35621,500Form 4
2026-07-31Rodriguez Jose RamondirectorAward / grant35618,041Form 4
2026-07-31Saluja HarpreetdirectorAward / grant3561,719Form 4
2026-07-31MASHINSKI CARLA SdirectorAward / grant35622,448Form 4
2026-07-31King David LeedirectorAward / grant35615,297Form 4
2026-07-31Wagner Patricia KdirectorAward / grant3563,461Form 4
2026-07-31MASHINSKI CARLA SdirectorAward / grant35622,448Form 4
2026-07-31Wagner Patricia KdirectorAward / grant3563,461Form 4
2026-07-31King David LeedirectorAward / grant35615,297Form 4
2026-07-31MCCALLISTER TERRY DdirectorAward / grant35621,500Form 4
2026-05-27Vadlamudi KotidirectorAward / grant7,8157,815Form 4
2026-04-30MCCALLISTER TERRY DdirectorAward / grant26821,125Form 4
2026-04-30Schauerman John P.directorAward / grant2685,518Form 4
2026-04-30Wagner Patricia KdirectorAward / grant2683,105Form 4
2026-04-30Rodriguez Jose RamondirectorAward / grant26817,685Form 4
2026-04-30Ching Michael E.directorAward / grant26810,398Form 4
2026-04-30MCCALLISTER TERRY DdirectorAward / grant26821,125Form 4
2026-04-30MASHINSKI CARLA SdirectorAward / grant26822,092Form 4
2026-04-30King David LeedirectorAward / grant26834,941Form 4
2026-04-30Saluja HarpreetdirectorAward / grant2681,363Form 4
2026-04-30Rodriguez Jose RamondirectorAward / grant26817,685Form 4
2026-04-30Ching Michael E.directorAward / grant26810,398Form 4
2026-04-30Saluja HarpreetdirectorAward / grant2681,363Form 4
2026-04-30Schauerman John P.directorAward / grant2685,518Form 4
2026-04-30Wagner Patricia KdirectorAward / grant2683,105Form 4
2026-04-30MASHINSKI CARLA SdirectorAward / grant26822,092Form 4
2026-04-30King David LeedirectorAward / grant26834,941Form 4
2026-04-01King David LeedirectorWithheld for tax8,56934,673Form 4
2026-04-01Kinch JeremyofficerWithheld for tax97147Form 4
2026-04-01King David LeedirectorOption exercise21,7740Form 4
2026-04-01Kinch JeremyofficerGift1470Form 4
2026-04-01Kinch JeremyofficerGift14725,681Form 4
2026-04-01Kinch JeremyofficerOption exercise2449,217Form 4
2026-04-01King David LeedirectorOption exercise21,77443,242Form 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.