SELFGlobal Self Storage, Inc.Real Estate · REIT - Industrialas of 2026-09-16
Horizon

Issued 2026-09-16 at $5.10 · now $5.10 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, SELF has typically landed between $4.74 and $5.62 — a range of −7.1% to +10.3% from the issuance price $5.10.

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 · 2006-09-262026-08-17 · 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 ($5.10) — 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 SELF has typically landed a month from the 2026-09-16 close of $5.1 — the range is history, not a prediction.

$4.74worst · -7.1%$5.62best · +10.3%
  • now $5.1 (+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). $5.11 (+0.2%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $4.97$5.26
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $4.74$5.62
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
2008-09-10−40.1%−40.1%+1.9%
2008-09-11−37.2%−39.5%+2.8%
2008-09-09−32.8%−32.8%+0.9%
3 best
2021-05-12+32.9%−0.3%+32.9%
2021-05-07+31.8%+0.0%+31.8%
2021-05-11+31.5%+0.0%+31.8%

5,003 overlapping windows · 2006-09-262026-09-16 · 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
55%
+1.8%
n=20
Feb
65%
+0.4%
n=20
Mar
50%
+1.8%
n=20
Apr
50%
+1.0%
n=20
May
45%
+1.9%
n=20
Jun
40%
+0.0%
n=20
Jul
45%
+0.6%
n=20
Aug
65%
+1.5%
n=20
Sep
55%
+1.0%
n=20
Oct
25%
−2.6%
n=20
Nov
55%
−0.2%
n=20
Dec
70%
+2.4%
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$6$52026-09-10: 2 insider purchases, $2K — WINMILL MARK CAMPBELL …2026-09-09: 2 insider purchases, $19K — WINMILL MARK CAMPBELL …2026-08-26: 1 insider purchase, $44K — WINMILL & CO. INC2026-08-25: 1 insider purchase, $43K — WINMILL & CO. INC2026-08-24: 1 insider purchase, $45K — WINMILL & CO. INC2026-08-21: 1 insider purchase, $39K — WINMILL & CO. INC2026-08-20: 1 insider purchase, $37K — WINMILL & CO. INC2026-08-19: 1 insider purchase, $37K — WINMILL & CO. INC2026-08-18: 1 insider purchase, $31K — WINMILL & CO. INC2026-08-17: 1 insider purchase, $38K — WINMILL & CO. INC2026-08-14: 1 insider purchase, $32K — WINMILL & CO. INC2026-08-13: 2 insider purchases, $38K — WINMILL & CO. INC, BURKE RUSSELL E III2026-08-12: 1 insider purchase, $32K — WINMILL & CO. INC2026-08-11: 1 insider purchase, $30K — WINMILL & CO. INC2026-05-14: 1 insider purchase, $21K — WINMILL MARK CAMPBELL2025-12-05: 2 insider purchases, $22K — WINMILL MARK CAMPBELL …2025-12-04: 1 insider purchase, $31K — WINMILL MARK CAMPBELL2025-12-03: 1 insider purchase, $31K — WINMILL MARK CAMPBELL2025-12-02: 1 insider purchase, $2K — Klimoski Donald II2025-12-01: 1 insider purchase, $16K — WINMILL & CO. INC2025-11-28: 1 insider purchase, $17K — WINMILL & CO. INC2025-11-26: 1 insider purchase, $25K — WINMILL & CO. INC2025-11-25: 1 insider purchase, $24K — WINMILL & CO. INC2025-11-24: 1 insider purchase, $21K — WINMILL & CO. INC2025-11-21: 1 insider purchase, $32K — WINMILL & CO. INC2025-11-20: 1 insider purchase, $30K — WINMILL & CO. INC2025-11-19: 1 insider purchase, $32K — WINMILL & CO. INC2025-11-18: 1 insider purchase, $29K — WINMILL & CO. INC2025-11-17: 1 insider purchase, $32K — WINMILL & CO. INC2025-11-14: 1 insider purchase, $36K — WINMILL & CO. INC2025-11-13: 1 insider purchase, $34K — WINMILL & CO. INC2025-11-12: 1 insider purchase, $30K — WINMILL & CO. INC2025-11-11: 1 insider purchase, $10K — WINMILL & CO. INC2025-08-29: 1 insider purchase, $25K — WINMILL & CO. INC2025-08-28: 1 insider purchase, $39K — WINMILL & CO. INC2025-08-27: 1 insider purchase, $29K — WINMILL & CO. INC2025-08-26: 1 insider purchase, $41K — WINMILL & CO. INC2025-08-25: 2 insider purchases, $41K — WINMILL & CO. INC, BURKE RUSSELL E III2025-08-22: 1 insider purchase, $11K — WINMILL & CO. INC2025-08-21: 1 insider purchase, $3K — WINMILL & CO. INC2025-08: 8 open-market purchases, $190K2025-11: 13 open-market purchases, $351K2025-12: 6 open-market purchases, $102K2026-05: 1 open-market purchase, $21K2026-08: 13 open-market purchases, $445K2026-09: 4 open-market purchases, $21K↑ buys↓ salesdirector WINMILL MARK CAMPBELL — Purchase on 2026-09-10, filed 1 day after the tradedirector WINMILL MARK CAMPBELL — Purchase on 2026-09-10, filed 1 day after the tradedirector WINMILL MARK CAMPBELL — Purchase on 2026-09-09, filed 2 days after the tradedirector WINMILL MARK CAMPBELL — Purchase on 2026-09-09, filed 2 days after the tradeother WINMILL & CO. INC — Purchase on 2026-08-26, filed same dayother WINMILL & CO. INC — Purchase on 2026-08-25, filed 1 day after the tradeother WINMILL & CO. INC — Purchase on 2026-08-24, filed same dayother WINMILL & CO. INC — Purchase on 2026-08-21, filed 3 days after the tradeother WINMILL & CO. INC — Purchase on 2026-08-20, filed same dayother WINMILL & CO. INC — Purchase on 2026-08-19, filed 1 day after the tradeother WINMILL & CO. INC — Purchase on 2026-08-18, filed same dayother WINMILL & CO. INC — Purchase on 2026-08-17, filed 1 day after the tradeother WINMILL & CO. INC — Purchase on 2026-08-14, filed same dayother WINMILL & CO. INC — Purchase on 2026-08-13, filed 1 day after the tradedirector BURKE RUSSELL E III — Purchase on 2026-08-13, filed 1 day after the tradeother WINMILL & CO. INC — Purchase on 2026-08-12, filed same dayother WINMILL & CO. INC — Purchase on 2026-08-11, filed 1 day after the tradedirector WINMILL MARK CAMPBELL — Purchase on 2026-05-14, filed 1 day after the tradedirector WINMILL MARK CAMPBELL — Purchase on 2025-12-05, filed same daydirector WINMILL MARK CAMPBELL — Purchase on 2025-12-05, filed same daydirector WINMILL MARK CAMPBELL — Purchase on 2025-12-04, filed 1 day after the tradedirector WINMILL MARK CAMPBELL — Purchase on 2025-12-03, filed 2 days after the tradeofficer Klimoski Donald II — Purchase on 2025-12-02, filed same dayother WINMILL & CO. INC — Purchase on 2025-12-01, filed same dayother WINMILL & CO. INC — Purchase on 2025-11-28, filed 3 days after the tradeother WINMILL & CO. INC — Purchase on 2025-11-26, filed same dayother WINMILL & CO. INC — Purchase on 2025-11-25, filed 1 day after the tradeother WINMILL & CO. INC — Purchase on 2025-11-24, filed same dayother WINMILL & CO. INC — Purchase on 2025-11-21, filed 3 days after the tradeother WINMILL & CO. INC — Purchase on 2025-11-20, filed same dayother WINMILL & CO. INC — Purchase on 2025-11-19, filed 1 day after the tradeother WINMILL & CO. INC — Purchase on 2025-11-18, filed same dayother WINMILL & CO. INC — Purchase on 2025-11-17, filed 1 day after the tradeother WINMILL & CO. INC — Purchase on 2025-11-14, filed same dayother WINMILL & CO. INC — Purchase on 2025-11-13, filed 1 day after the tradeother WINMILL & CO. INC — Purchase on 2025-11-12, filed same dayother WINMILL & CO. INC — Purchase on 2025-11-11, filed 1 day after the tradeother WINMILL & CO. INC — Purchase on 2025-08-29, filed same dayother WINMILL & CO. INC — Purchase on 2025-08-28, filed same dayother WINMILL & CO. INC — Purchase on 2025-08-27, filed 1 day after the tradeother WINMILL & CO. INC — Purchase on 2025-08-26, filed same dayother WINMILL & CO. INC — Purchase on 2025-08-25, filed 1 day after the tradedirector BURKE RUSSELL E III — Purchase on 2025-08-25, filed 1 day after the tradeother WINMILL & CO. INC — Purchase on 2025-08-22, filed same dayother WINMILL & CO. INC — Purchase on 2025-08-21, filed 1 day after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-09-10WINMILL MARK CAMPBELLdirectorPurchase292 @ $5.16$2K+0.1% of holdingnot yet — horizon still opennot yet — horizon still open372,582Form 4 · filed 1 day after the trade
2026-09-10WINMILL MARK CAMPBELLdirectorPurchase50 @ $5.16$258+0.0% of holdingnot yet — horizon still opennot yet — horizon still open372,290Form 4 · filed 1 day after the trade
2026-09-09WINMILL MARK CAMPBELLdirectorPurchase2,058 @ $5.16$11K+0.6% of holdingnot yet — horizon still opennot yet — horizon still open372,240Form 4 · filed 2 days after the trade
2026-09-09WINMILL MARK CAMPBELLdirectorPurchase1,600 @ $5.16$8K+0.4% of holdingnot yet — horizon still opennot yet — horizon still open370,182Form 4 · filed 2 days after the trade
2026-08-26WINMILL & CO. INCotherPurchase7,761 @ $5.64$44K+3.5% of holdingnot yet — horizon still opennot yet — horizon still open228,512Form 4 · filed same day
2026-08-25WINMILL & CO. INCotherPurchase7,547 @ $5.66$43K+3.5% of holdingnot yet — horizon still opennot yet — horizon still open220,751Form 4 · filed 1 day after the trade
2026-08-24WINMILL & CO. INCotherPurchase8,022 @ $5.62$45K+3.9% of holdingnot yet — horizon still opennot yet — horizon still open213,204Form 4 · filed same day
2026-08-21WINMILL & CO. INCotherPurchase7,117 @ $5.45$39K+3.6% of holdingnot yet — horizon still opennot yet — horizon still open205,182Form 4 · filed 3 days after the trade
2026-08-20WINMILL & CO. INCotherPurchase6,901 @ $5.42$37K+3.6% of holdingnot yet — horizon still opennot yet — horizon still open198,065Form 4 · filed same day
2026-08-19WINMILL & CO. INCotherPurchase6,877 @ $5.40$37K+3.7% of holdingnot yet — horizon still opennot yet — horizon still open191,164Form 4 · filed 1 day after the trade
2026-08-18WINMILL & CO. INCotherPurchase5,736 @ $5.32$31K+3.2% of holdingnot yet — horizon still opennot yet — horizon still open184,287Form 4 · filed same day
2026-08-17WINMILL & CO. INCotherPurchase7,117 @ $5.33$38K+4.2% of holding−0.8%not yet — horizon still open178,551Form 4 · filed 1 day after the trade
2026-08-14WINMILL & CO. INCotherPurchase6,029 @ $5.23$32K+3.6% of holding−3.0%not yet — horizon still open171,434Form 4 · filed same day
2026-08-13WINMILL & CO. INCotherPurchase5,629 @ $5.20$29K+3.5% of holding+1.0%not yet — horizon still open165,405Form 4 · filed 1 day after the trade
2026-08-13BURKE RUSSELL E IIIdirectorPurchase1,625 @ $5.21$8K+4.2% of holding+1.0%not yet — horizon still open40,002Form 4 · filed 1 day after the trade
2026-08-12WINMILL & CO. INCotherPurchase6,248 @ $5.15$32K+4.1% of holding+0.7%not yet — horizon still open159,776Form 4 · filed same day
2026-08-11WINMILL & CO. INCotherPurchase5,887 @ $5.17$30K+4.0% of holding+2.6%not yet — horizon still open153,528Form 4 · filed 1 day after the trade
2026-05-14WINMILL MARK CAMPBELLdirectorPurchase4,000 @ $5.33$21K+1.1% of holding−4.5%not yet — horizon still open368,582Form 4 · filed 1 day after the trade
2025-12-05WINMILL MARK CAMPBELLdirectorPurchase3,600 @ $5.09$18K+1.1% of holding+1.9%−3.1%339,238Form 4 · filed same day
2025-12-05WINMILL MARK CAMPBELLdirectorPurchase800 @ $5.05$4K+0.2% of holding+1.9%−3.1%335,638Form 4 · filed same day
2025-12-04WINMILL MARK CAMPBELLdirectorPurchase6,000 @ $5.14$31K+1.8% of holding+0.5%−6.8%334,838Form 4 · filed 1 day after the trade
2025-12-03WINMILL MARK CAMPBELLdirectorPurchase6,000 @ $5.13$31K+1.9% of holding−0.7%−7.0%328,838Form 4 · filed 2 days after the trade
2025-12-02Klimoski Donald IIofficerPurchase446 @ $5.05$2K+0.5% of holding+2.4%−7.6%86,500Form 4 · filed same day
2025-12-01WINMILL & CO. INCotherPurchase3,062 @ $5.18$16K+2.1% of holding+0.1%−8.9%147,641Form 4 · filed same day
2025-11-28WINMILL & CO. INCotherPurchase3,342 @ $5.16$17K+2.4% of holding−0.0%−8.7%144,579Form 4 · filed 3 days after the trade
2025-11-26WINMILL & CO. INCotherPurchase4,873 @ $5.17$25K+3.6% of holding+1.0%−7.9%141,237Form 4 · filed same day
2025-11-25WINMILL & CO. INCotherPurchase4,547 @ $5.18$24K+3.4% of holding−3.6%−9.9%136,364Form 4 · filed 1 day after the trade
2025-11-24WINMILL & CO. INCotherPurchase4,064 @ $5.14$21K+3.2% of holding−3.1%−10.8%131,817Form 4 · filed same day
2025-11-21WINMILL & CO. INCotherPurchase6,226 @ $5.09$32K+5.1% of holding−1.4%−9.2%127,753Form 4 · filed 3 days after the trade
2025-11-20WINMILL & CO. INCotherPurchase5,870 @ $5.08$30K+5.1% of holding−5.7%−9.7%121,527Form 4 · filed same day
2025-11-19WINMILL & CO. INCotherPurchase6,226 @ $5.13$32K+5.7% of holding−3.6%−6.4%115,657Form 4 · filed 1 day after the trade
2025-11-18WINMILL & CO. INCotherPurchase5,618 @ $5.16$29K+5.4% of holding−3.1%−9.3%109,431Form 4 · filed same day
2025-11-17WINMILL & CO. INCotherPurchase6,226 @ $5.12$32K+6.4% of holding−1.1%−7.3%103,813Form 4 · filed 1 day after the trade
2025-11-14WINMILL & CO. INCotherPurchase7,035 @ $5.09$36K+7.8% of holding−1.0%−2.4%97,587Form 4 · filed same day
2025-11-13WINMILL & CO. INCotherPurchase6,694 @ $5.03$34K+8.0% of holding−1.1%−2.0%90,552Form 4 · filed 1 day after the trade
2025-11-12WINMILL & CO. INCotherPurchase6,055 @ $5.03$30K+7.8% of holding−0.6%−1.1%83,858Form 4 · filed same day
2025-11-11WINMILL & CO. INCotherPurchase2,069 @ $4.97$10K+2.7% of holding+0.6%+0.6%77,803Form 4 · filed 1 day after the trade
2025-08-29WINMILL & CO. INCotherPurchase4,592 @ $5.48$25K+6.5% of holding−10.0%−7.6%75,734Form 4 · filed same day
2025-08-28WINMILL & CO. INCotherPurchase7,209 @ $5.42$39K+11.3% of holding−9.2%−9.1%71,142Form 4 · filed same day
2025-08-27WINMILL & CO. INCotherPurchase5,477 @ $5.36$29K+9.4% of holding−7.3%−9.2%63,933Form 4 · filed 1 day after the trade
2025-08-26WINMILL & CO. INCotherPurchase7,788 @ $5.26$41K+15.4% of holding−6.1%−9.5%58,456Form 4 · filed same day
2025-08-25WINMILL & CO. INCotherPurchase7,823 @ $5.22$41K+18.3% of holding−5.8%−9.5%50,668Form 4 · filed 1 day after the trade
2025-08-25BURKE RUSSELL E IIIdirectorPurchase105 @ $5.25$551+0.3% of holding−5.8%−9.5%35,100Form 4 · filed 1 day after the trade
2025-08-22WINMILL & CO. INCotherPurchase2,160 @ $5.15$11K+5.3% of holding−3.3%−6.9%42,845Form 4 · filed same day
2025-08-21WINMILL & CO. INCotherPurchase502 @ $5.12$3K+1.2% of holding−5.2%−6.7%40,685Form 4 · filed 1 day after the trade
2025-05-21Carroll Sally CoonraddirectorPurchase1,776 @ $5.63$10K+88.8% of holding−4.8%−21.2%3,776Form 4 · filed 1 day after the trade
2025-05-19WINMILL MARK CAMPBELLdirectorPurchase10,000 @ $5.67$57K+3.2% of holding−0.8%−19.7%322,838Form 4 · filed 1 day after the trade
2025-05-16TUXIS CORPotherPurchase9,600 @ $5.22$50K+3.3% of holding+4.6%−17.5%303,758Form 4 · filed 3 days after the trade
2025-05-15TUXIS CORPotherPurchase9,680 @ $5.21$50K+3.4% of holding+5.4%−15.1%294,158Form 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.

30 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
2026-08-11BURKE RUSSELL E IIIdirectorAward / grant19638,377Form 4
2026-08-11Zachary William ChesterdirectorAward / grant19618,296Form 4
2026-05-12BURKE RUSSELL E IIIdirectorAward / grant9438,181Form 4
2026-05-12Zachary William ChesterdirectorAward / grant9418,100Form 4
2026-03-31Zachary William ChesterdirectorAward / grant2,73918,006Form 4
2026-03-31BURKE RUSSELL E IIIdirectorAward / grant2,73938,087Form 4
2026-03-24WINMILL MARK CAMPBELLdirectorAward / grant12,672364,582Form 4
2026-03-24WINMILL MARK CAMPBELLdirectorAward / grant12,672351,910Form 4
2026-03-24Klimoski Donald IIofficerAward / grant5,52797,554Form 4
2026-03-24OMalley ThomasofficerAward / grant5,52791,694Form 4
2026-03-24Klimoski Donald IIofficerAward / grant5,52792,027Form 4
2026-03-24OMalley ThomasofficerAward / grant5,52786,167Form 4
2026-03-24Kamerman RussellofficerAward / grant5005,925Form 4
2025-11-13Zachary William ChesterdirectorAward / grant2,58415,267Form 4
2025-11-13BURKE RUSSELL E IIIdirectorAward / grant24835,348Form 4
2025-08-19BURKE RUSSELL E IIIdirectorAward / grant14634,995Form 4
2025-08-19Zachary William ChesterdirectorAward / grant14612,683Form 4
2025-06-17BURKE RUSSELL E IIIdirectorAward / grant8834,849Form 4
2025-06-17Zachary William ChesterdirectorAward / grant8812,537Form 4
2025-05-20Zachary William ChesterdirectorAward / grant8712,449Form 4
2025-05-20BURKE RUSSELL E IIIdirectorAward / grant8734,761Form 4
2025-04-01Zachary William ChesterdirectorAward / grant2,63412,362Form 4
2025-04-01BURKE RUSSELL E IIIdirectorAward / grant2,63434,674Form 4
2025-03-25WINMILL MARK CAMPBELLdirectorAward / grant12,672300,166Form 4
2025-03-25WINMILL MARK CAMPBELLdirectorAward / grant12,672312,838Form 4
2025-03-25OMalley ThomasofficerAward / grant5,52775,113Form 4
2025-03-25Klimoski Donald IIofficerAward / grant5,52780,527Form 4
2025-03-25Klimoski Donald IIofficerAward / grant5,52786,054Form 4
2025-03-25OMalley ThomasofficerAward / grant5,52780,640Form 4
2025-03-25Kamerman RussellofficerAward / grant5005,425Form 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.