Grand Gallery Inc

COSGOTCIndustrials● Active

$0.06

$-0.01(-15.38%)

Market Cap$252227954

P/E Ratio—

52W High$4

52W Low$0.0001

Avg Volume4K

Open$0.06

Beta0.31

Insider Trades Ownership Employees

Grand Gallery Inc (COSG) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · COSG · as of Jun 8, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

BEARISH

↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

Grand Gallery Inc insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

COSG insider buying and selling by quarter

COSG insider selling · COSG insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

2.1M1.1M0

2018 Q1

2018 Q2

2018 Q3

2019 Q1

2019 Q3

2020 Q1

2020 Q2

2021 Q2

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Recent insider transactions

COSG executive sell shares · COSG board member insider trading · COSG insider trading SEC filing

Showing 18 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Apr 30, 2020	YIP Tze Wai Albert	Sale	1,503,185	$8.99	$13.51M⚡	646,108	Form 4
Apr 30, 2020	Cheung Koon Wing 10 percent owner	Sale	215,369	$8.99	$1.94M⚡	9,149,670	Form 4
Jan 16, 2020	Wan Miky Y.C. President, CEO · Director	Sale	53,732	$8.99	$483K	7,630,618	Form 4
Jul 19, 2019	Cheung Koon Wing 10 percent owner	Sale	2,149,293	$8.99	$19.32M⚡	8,811,854	Form 4
Jan 13, 2020	Cheung Koon Wing 10 percent owner	Sale	950,000	$8.99	$8.54M⚡	7,861,854	Form 4
Sep 21, 2018	Wan Miky Y.C. President, Interim CFO · Director	Sale	32,585	$5.22	$170K	7,684,350	Form 4
Aug 3, 2018	Wan Miky Y.C. President, Interim CFO · Director	Sale	7,500	$5.00	$38K	8,414,756	Form 4
Aug 3, 2018	Wan Miky Y.C. President, Interim CFO · Director	Sale	2,875	$5.22	$15K	8,411,811	Form 4
Aug 8, 2018	Wan Miky Y.C. President, Interim CFO · Director	Sale	7,188	$5.22	$38K	8,404,693	Form 4
Aug 10, 2018	Wan Miky Y.C. President, Interim CFO · Director	Sale	678,758	$3.21	$2.18M⚡	7,716,935	Form 4
Jun 15, 2018	Wan Miky Y.C. President, Interim CFO · Director	Sale	6,000	$5.00	$30K	8,467,756	Form 4
Jun 15, 2018	Wan Miky Y.C. President, Interim CFO · Director	Sale	14,000	$5.00	$70K	8,453,756	Form 4
Jun 15, 2018	Wan Miky Y.C. President, Interim CFO · Director	Sale	11,500	$5.22	$60K	8,442,256	Form 4
Jun 15, 2018	Wan Miky Y.C. President, Interim CFO · Director	Sale	20,000	$5.00	$100K	8,422,256	Form 4
Mar 7, 2018	Wan Miky Y.C. President and Interim CFO · Director	Sale	7,000	$4.00	$28K	8,512,256	Form 4
Mar 7, 2018	Wan Miky Y.C. President and Interim CFO · Director	Sale	38,500	$5.00	$193K	8,473,756	Form 4
Jan 13, 2017	Wan Miky Y.C. President, Interim CFO · Director	Gift	200,000,000	—	—	210,000,000	Form 4
Apr 26, 2017	Wan Miky Y.C. President, Interim CFO · Director	Gift	39,614,887	—	—	170,385,113	Form 4

YIP Tze Wai Albert

Sale

Date

Apr 30

1,503,185

Price

$8.99

Value

$13.51M ⚡

View Form 4 on SEC.gov

Cheung Koon Wing

10 percent owner

Sale

Date

Apr 30

215,369

Price

$8.99

Value

$1.94M ⚡

View Form 4 on SEC.gov

Wan Miky Y.C.

President, CEO · Director

Sale

Date

Jan 16

53,732

Price

$8.99

Value

$483K

View Form 4 on SEC.gov

Cheung Koon Wing

10 percent owner

Sale

Date

Jul 19

2,149,293

Price

$8.99

Value

$19.32M ⚡

View Form 4 on SEC.gov

Cheung Koon Wing

10 percent owner

Sale

Date

Jan 13

950,000

Price

$8.99

Value

$8.54M ⚡

View Form 4 on SEC.gov

Wan Miky Y.C.

President, Interim CFO · Director

Sale

Date

Sep 21

32,585

Price

$5.22

Value

$170K

View Form 4 on SEC.gov

Wan Miky Y.C.

President, Interim CFO · Director

Sale

Date

Aug 3

7,500

Price

$5.00

Value

$38K

View Form 4 on SEC.gov

Wan Miky Y.C.

President, Interim CFO · Director

Sale

Date

Aug 3

2,875

Price

$5.22

Value

$15K

View Form 4 on SEC.gov

Wan Miky Y.C.

President, Interim CFO · Director

Sale

Date

Aug 8

7,188

Price

$5.22

Value

$38K

View Form 4 on SEC.gov

Wan Miky Y.C.

President, Interim CFO · Director

Sale

Date

Aug 10

678,758

Price

$3.21

Value

$2.18M ⚡

View Form 4 on SEC.gov

Wan Miky Y.C.

President, Interim CFO · Director

Sale

Date

Jun 15

6,000

Price

$5.00

Value

$30K

View Form 4 on SEC.gov

Wan Miky Y.C.

President, Interim CFO · Director

Sale

Date

Jun 15

14,000

Price

$5.00

Value

$70K

View Form 4 on SEC.gov

Wan Miky Y.C.

President, Interim CFO · Director

Sale

Date

Jun 15

11,500

Price

$5.22

Value

$60K

View Form 4 on SEC.gov

Wan Miky Y.C.

President, Interim CFO · Director

Sale

Date

Jun 15

20,000

Price

$5.00

Value

$100K

View Form 4 on SEC.gov

Wan Miky Y.C.

President and Interim CFO · Director

Sale

Date

Mar 7

7,000

Price

$4.00

Value

$28K

View Form 4 on SEC.gov

Wan Miky Y.C.

President and Interim CFO · Director

Sale

Date

Mar 7

38,500

Price

$5.00

Value

$193K

View Form 4 on SEC.gov

Wan Miky Y.C.

President, Interim CFO · Director

Gift

Date

Jan 13

200,000,000

Price

—

Value

—

View Form 4 on SEC.gov

Wan Miky Y.C.

President, Interim CFO · Director

Gift

Date

Apr 26

39,614,887

Price

—

Value

—

View Form 4 on SEC.gov

▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About COSG insider trading

COSG insider trades

Grand Gallery Inc (COSG) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including COSG. Over the past 12 months, 0 insiders have filed transactions with the SEC. COSG insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Grand Gallery Inc's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

COSG insider trading · 5 questions

The insiders of Grand Gallery Inc (COSG) include executives and directors such as COSG, among others. Over the past 12 months, 0 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

COSG board member insider tradingwho are COSG insidersCOSG insider rosterGrand Gallery Inc executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026