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Insider · CIK 0000052234

Winmill & Co. Inc

other

Files at SELF (Global Self Storage, Inc.), BXSY (BEXIL INVESTMENT TRUST). First filing Jul 1, 2025, latest Jun 29, 2026.

Winmill & Co. Inc files SEC Form 4 as insider at BXSY (BEXIL INVESTMENT TRUST), and also at SELF (Global Self Storage, Inc.). Since Jul 1, 2025, Winmill & Co. Inc has reported 23 open-market buys worth $1.6M and 0 open-market sells worth $0, the latest filed on Jun 29, 2026.

A track record needs three past buys with six months of prices behind them; Winmill & Co. Inc has 0, so none is measured yet.

The newest scored trade: bought $5,126 of BXSY on Jun 26, 2026, filed Jun 29, 2026, scored 8 (weak). In the last 12 months: 10 buys worth $426k and 0 sells worth $0.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
23 / 0
$1.6M bought, $0 sold

Where the trades landed

Last year at the 2 companies this insider has traded most, with each buy and sell on the bar it happened.

BXSY: BEXIL INVESTMENT TRUST

BXSYOct 9, 2026 · close 17.26

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

SELF: Global Self Storage, Inc.

SELFOct 9, 2026 · close 4.90

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
8Weak
BXSYbuy
BEXIL INVESTMENT TRUST
$5,126
301 shares
+0%+38% from low-1% from high
8Weak
BXSYbuy
BEXIL INVESTMENT TRUST
$18k
1,050 shares
+0%+38% from low-1% from high
9Weak
BXSYbuy
BEXIL INVESTMENT TRUST
$36k
2,135 shares
+1%+37% from low-2% from high
34Weak
SELFbuy 3
Global Self Storage, Inc.
$33k
6,404 shares
+5%+10% from low-8% from high
38Weak
SELFbuy 3
Global Self Storage, Inc.
$49k
9,420 shares
+7%+11% from low-8% from high
48Moderate
SELFbuy 3
Global Self Storage, Inc.
$53k
10,290 shares
+8%+8% from low-10% from high
48Moderate
SELFbuy 3
Global Self Storage, Inc.
$62k
12,096 shares
+11%+8% from low-10% from high
33Weak
SELFbuy
Global Self Storage, Inc.
$61k
11,844 shares
+12%+9% from low-9% from high
34Weak
SELFbuy
Global Self Storage, Inc.
$69k
13,729 shares
+16%+8% from low-10% from high
32Weak
SELFbuy
Global Self Storage, Inc.
$41k
8,124 shares
+11%+6% from low-12% from high
29Weak
SELFbuy 2
Global Self Storage, Inc.
$25k
4,592 shares
+6%+15% from low-4% from high
35Weak
SELFbuy 2
Global Self Storage, Inc.
$68k
12,686 shares
+22%+14% from low-5% from high
36Weak
SELFbuy 2
Global Self Storage, Inc.
$82k
15,611 shares
+36%+10% from low-8% from high
29Weak
SELFbuy 2
Global Self Storage, Inc.
$14k
2,662 shares
+7%+8% from low-10% from high
22Weak
BXSYbuy
BEXIL INVESTMENT TRUST
$86k
6,255 shares
+3%+25% from low-1% from high
27Weak
BXSYbuy
BEXIL INVESTMENT TRUST
$166k
12,000 shares
+6%+26% from low0% from high
20Weak
BXSYbuy
BEXIL INVESTMENT TRUST
$49k
3,612 shares
+2%+24% from low-0% from high
8Weak
BXSYbuy
BEXIL INVESTMENT TRUST
$23k
1,673 shares
+1%+24% from low-0% from high
29Weak
BXSYbuy
BEXIL INVESTMENT TRUST
$271k
20,000 shares
+11%+23% from low-1% from high
28Weak
BXSYbuy
BEXIL INVESTMENT TRUST
$176k
12,982 shares
+8%+24% from low-0% from high
20Weak
BXSYbuy
BEXIL INVESTMENT TRUST
$49k
3,600 shares
+2%+24% from low-0% from high
27Weak
BXSYbuy
BEXIL INVESTMENT TRUST
$135k
10,000 shares
+6%+24% from low0% from high
14Weak
BXSYbuy
BEXIL INVESTMENT TRUST
$36k
2,675 shares
+2%+22% from low-0% from high

Transactions

Every row this insider has filed, 41 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jun 26, 2026BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+300$17.03$5,109231,055Jun 29, 2026
Jun 29, 2026BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+1$17.03$17231,056Jun 29, 2026
Jun 25, 2026BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+1,050$16.97$18k230,755Jun 25, 2026
Jun 23, 2026BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+1,135$16.78$19k228,705Jun 24, 2026
Jun 24, 2026BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+1,000$16.81$17k229,705Jun 24, 2026
Nov 28, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+3,342$5.16$17k144,579Dec 1, 2025
Dec 1, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+3,062$5.18$16k147,641Dec 1, 2025
Nov 25, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+4,547$5.18$24k136,364Nov 26, 2025
Nov 26, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+4,873$5.17$25k141,237Nov 26, 2025
Nov 21, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+6,226$5.09$32k127,753Nov 24, 2025
Nov 24, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+4,064$5.14$21k131,817Nov 24, 2025
Nov 19, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+6,226$5.13$32k115,657Nov 20, 2025
Nov 20, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+5,870$5.08$30k121,527Nov 20, 2025
Nov 17, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+6,226$5.12$32k103,813Nov 18, 2025
Nov 18, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+5,618$5.16$29k109,431Nov 18, 2025
Nov 13, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+6,694$5.03$34k90,552Nov 14, 2025
Nov 14, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+7,035$5.09$36k97,587Nov 14, 2025
Nov 11, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+2,069$4.97$10k77,803Nov 12, 2025
Nov 12, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+6,055$5.03$30k83,858Nov 12, 2025
Aug 29, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+4,592$5.48$25k75,734Aug 29, 2025
Aug 27, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+5,477$5.36$29k63,933Aug 28, 2025
Aug 28, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+7,209$5.42$39k71,142Aug 28, 2025
Aug 25, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+7,823$5.22$41k50,668Aug 26, 2025
Aug 26, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+7,788$5.26$41k58,456Aug 26, 2025
Aug 21, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+502$5.12$2,57040,685Aug 22, 2025
Aug 22, 2025SELF
Global Self Storage, Inc.
POpen-market purchase
Common Stock
+2,160$5.15$11k42,845Aug 22, 2025
Jul 30, 2025BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+6,255$13.80$86k227,570Jul 30, 2025
Jul 25, 2025BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+2,500$13.70$34k211,815Jul 28, 2025
Jul 28, 2025BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+9,500$13.87$132k221,315Jul 28, 2025
Jul 21, 2025BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+2,300$13.55$31k208,003Jul 22, 2025
Jul 22, 2025BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+1,312$13.57$18k209,315Jul 22, 2025
Jul 17, 2025BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+1,396$13.56$19k205,426Jul 18, 2025
Jul 18, 2025BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+277$13.53$3,748205,703Jul 18, 2025
Jul 15, 2025BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+10,000$13.55$136k194,030Jul 16, 2025
Jul 16, 2025BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+10,000$13.53$135k204,030Jul 16, 2025
Jul 11, 2025BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+10,000$13.59$136k181,048Jul 14, 2025
Jul 14, 2025BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+2,982$13.58$40k184,030Jul 14, 2025
Jul 7, 2025BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+3,600$13.59$49k171,048Jul 8, 2025
Jul 2, 2025BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+10,000$13.51$135k167,448Jul 3, 2025
Jun 30, 2025BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+459$13.38$6,141155,232Jul 1, 2025
Jul 1, 2025BXSY
BEXIL INVESTMENT TRUST
POpen-market purchase
Shares of Beneficial Interest
+2,216$13.31$29k157,448Jul 1, 2025

Questions about Winmill & Co. Inc

Answered from the filings on this page, as of the latest one.

Is Winmill & Co. Inc buying or selling?

In the last 12 months Winmill & Co. Inc reported 10 open-market buys worth $426k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $5,126 of BXSY on Jun 26, 2026. Grants, option exercises and tax withholding are not counted.

How did Winmill & Co. Inc's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Winmill & Co. Inc has 0.

Where does Winmill & Co. Inc file Form 4?

Winmill & Co. Inc has filed Form 4 at BXSY (BEXIL INVESTMENT TRUST); SELF (Global Self Storage, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Winmill & Co. Inc: insider trades and track record | InsiderTell