Company · CIK 0001031235 · SIC 6798 — Real Estate Investment Trusts · Nasdaq
Global Self Storage, Inc. · SELF
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 9, 2026 PForm 4 → | Sep 11, 4:29 pm EDT | Mark Campbell WinmillPresident and CEO, Director | 4,000 | $5.16 | $20,640 | 372,582 | +1.09% | |
| Aug 25, 2026 PForm 4 → | Aug 26, 4:47 pm EDT | WINMILL & CO. INCOther | 15,308 | $5.65 | $86,452 | 228,512 | +7.18% | |
| Aug 21, 2026 PForm 4 → | Aug 24, 4:03 pm EDT | WINMILL & CO. INCOther | 15,139 | $5.54 | $83,851 | 213,204 | +7.64% | |
| Aug 19, 2026 PForm 4 → | Aug 20, 4:32 pm EDT | WINMILL & CO. INCOther | 13,778 | $5.41 | $74,579 | 198,065 | +7.48% | |
| Aug 17, 2026 PForm 4 → | Aug 18, 4:16 pm EDT | WINMILL & CO. INCOther | 12,853 | $5.33 | $68,443 | 184,287 | +7.50% | |
| Aug 13, 2026 PForm 4 → | Aug 14, 4:20 pm EDT | Russell E Burke IIIDirector | 1,625 | $5.21 | $8,459 | 40,002 | +4.23% | |
| Aug 13, 2026 PForm 4 → | Aug 14, 4:19 pm EDT | WINMILL & CO. INCOther | 11,658 | $5.21 | $60,788 | 171,434 | +7.30% | |
| Aug 11, 2026 AForm 4 → | Aug 13, 4:06 pm EDT | William Chester ZacharyDirector | 196 | $5.10 | $1,000 | 18,296 | — | |
| Aug 11, 2026 AForm 4 → | Aug 13, 4:03 pm EDT | Russell E Burke IIIDirector | 196 | $5.10 | $1,000 | 38,377 | — | |
| Aug 11, 2026 PForm 4 → | Aug 12, 4:52 pm EDT | WINMILL & CO. INCOther | 12,135 | $5.16 | $62,601 | 159,776 | +8.22% | |
| May 31, 2018 PForm 4 → | Jun 1, 4:04 pm EDT | TUXIS CORPOther | 3,400 | $4.19 | $14,246 | 265,770 | +1.30% | plan? |
| May 25, 2018 PForm 4 → | May 30, 4:11 pm EDT | TUXIS CORPOther | 9,200 | $4.15 | $38,180 | 262,370 | +3.63% | plan? |
| May 21, 2018 PForm 4 → | May 23, 4:32 pm EDT | TUXIS CORPOther | 5,890 | $4.21 | $24,807 | 253,170 | +2.38% | plan? |
| May 18, 2018 PForm 4 → | May 21, 5:11 pm EDT | Mark Campbell WinmillPresident and CEO, Director | 1,400 | $4.18 | $5,851 | 66,985 | +2.13% | plan? |
| May 18, 2018 PForm 4 → | May 21, 5:01 pm EDT | Russell E Burke IIIDirector | 3,000 | $4.15 | $12,450 | 20,000 | +17.6% | plan? |
| Mar 29, 2018 AForm 4 → | Apr 2, 6:21 pm EDT | Russell KamermanAssistant General Counsel | 850 | $4.42 | $3,757 | 850 | — | plan? |
| Mar 29, 2018 AForm 4 → | Apr 2, 6:13 pm EDT | Donald Klimoski IIGeneral Counsel | 13,900 | $4.42 | $61,438 | 13,900 | — | plan? |
| Mar 29, 2018 AForm 4 → | Apr 2, 6:05 pm EDT | Thomas OMalleyChief Financial Officer | 13,900 | $4.42 | $61,438 | 13,900 | — | plan? |
| Mar 29, 2018 AForm 4 → | Apr 2, 5:57 pm EDT | Mark Campbell WinmillPresident and CEO, Director | 32,125 | $4.42 | $141,993 | 65,585 | — | plan? |
| Aug 23, 2017 PForm 4 → | Aug 24, 12:55 pm EDT | Russell E Burke IIIDirector | 340 | $4.88 | $1,659 | 17,000 | +2.04% | plan? |
| Aug 23, 2017 PForm 4 → | Aug 24, 11:22 am EDT | Mark Campbell WinmillPresident and CEO, Director | 3,000 | $4.89 | $14,657 | 33,460 | +9.85% | plan? |
| May 31, 2017 PForm 4 → | Jun 1, 12:19 pm EDT | George B LangaDirector | 1,000 | $5.10 | $5,100 | 1,156 | +641% | plan? |
| May 26, 2017 PForm 4 → | May 31, 1:24 pm EDT | TUXIS CORPOther | 14,514 | $5.08 | $73,733 | 247,280 | +6.24% | plan? |
| May 23, 2017 PForm 4 → | May 24, 8:55 am EDT | Russell E Burke IIIDirector | 1,500 | $5.00 | $7,500 | 16,660 | +9.89% | plan? |
| Dec 30, 2016 PForm 4 → | May 26, 2017, 3:43 pm EDT | TUXIS CORPOther | 211,703 | $4.82 | $1,020,343 | 232,766 | +1,005% | plan? late |
| Nov 30, 2016 PForm 4 → | Dec 1, 3:36 pm EST | Mark Campbell WinmillPresident and CEO, Director | 1,000 | $5.00 | $5,000 | 30,460 | +3.39% | plan? |
| Nov 21, 2016 PForm 4 → | Nov 22, 12:22 pm EST | WINMILL & CO. INCOther | 358 | $4.85 | $1,736 | 128,227 | +0.28% | plan? |
| Nov 21, 2016 SForm 4 → | Nov 22, 12:05 pm EST | BEXIL CORPOther | 358 | $4.85 | $1,736 | 0 | −100% | plan? |
| Nov 21, 2016 PForm 4 → | Nov 21, 3:57 pm EST | Russell E Burke IIIDirector | 1,900 | $4.85 | $9,215 | 11,250 | +20.3% | plan? |
| Aug 31, 2016 PForm 4 → | Aug 31, 3:09 pm EDT | William Chester ZacharyDirector | 1,000 | $5.44 | $5,440 | 1,000 | — | plan? |
| Aug 23, 2016 PForm 4 → | Aug 26, 1:43 pm EDT | Mark Campbell WinmillPresident and CEO, Director | 2,000 | $5.50 | $11,000 | 29,460 | +7.28% | plan? late |
| Aug 23, 2016 PForm 4 → | Aug 25, 11:38 am EDT | Russell E Burke IIIDirector | 4,000 | $5.54 | $22,160 | 9,350 | +74.8% | plan? |
| May 26, 2016 PForm 4 → | May 27, 10:34 am EDT | Mark Campbell WinmillPresident and CEO, Director | 190 | $4.83 | $918 | 27,460 | +0.70% | plan? |
| May 25, 2016 PForm 4 → | May 26, 3:19 pm EDT | Mark Campbell WinmillPresident and CEO, Director | 200 | $4.77 | $954 | 27,270 | +0.74% | plan? |
| May 24, 2016 PForm 4/A → | Nov 30, 10:06 am EST | Russell E Burke IIIDirector | 11,250 | $5.03 | $56,627 | 15,160 | +288% | plan? |
| May 24, 2016 PForm 4 → | May 26, 1:56 pm EDT | Russell E Burke IIIDirector | 5,350 | $4.72 | $25,252 | 5,350 | — | plan? |
| May 23, 2016 PForm 4 → | May 25, 1:36 pm EDT | Mark Campbell WinmillPresident and CEO, Director | 6,829 | $4.70 | $32,086 | 27,070 | +33.7% | plan? |
| Jan 19, 2016 JForm 4/A → | Nov 30, 10:06 am EST | Russell E Burke IIIDirector | — | — | — | 3,910 | — | plan? |
| Jan 19, 2016 JForm 4 → | Apr 8, 5:06 pm EDT | George B LangaDirector | — | — | — | 156 | — | plan? late |
| Jan 6, 2015 PForm 5 → | Feb 5, 2016, 3:01 pm EST | Bruce B HuberDirector | 314 | $3.66 | $1,151 | 9,093 | +3.58% | plan? |
| Apr 1, 2014 PForm 5 → | Apr 22, 2015, 2:15 pm EDT | Bruce B HuberDirector | 459 | $3.60 | $1,652 | 8,779 | +5.51% | plan? |
| Oct 1, 2013 PForm 5 → | Apr 22, 2015, 2:00 pm EDT | Bruce B HuberDirector | 469 | $3.68 | $1,724 | 8,320 | +5.97% | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.