Skip to main content
Signal8
DONG-A ST CO., LTD profile photo

Dong-A St Co., Ltd

CIK: 0001799260

Transaction Breakdown

Open Market Buys (P)3 (75.0%)

High conviction signal

Open Market Sales (S)1 (25.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

NeuroBo Pharmaceuticals, Inc. logo
NRBO

NeuroBo Pharmaceuticals, Inc.

10% Owner

Discretionary Trading P&L

Holdings

Transaction History (4 total)

  • MetaVia Inc. logo
    MTVA

    MetaVia Inc.

    May 8, 2025
    Purchase(P)
    Direct
    4.6M shares at avg. $0.71$3.3M
  • NeuroBo Pharmaceuticals, Inc. logo
    NRBO

    NeuroBo Pharmaceuticals, Inc.

    Sep 18, 2024
    Purchase(P)

    Warrants to Purchase Common Stock

    Direct
    2.5M shares-
  • NeuroBo Pharmaceuticals, Inc. logo
    NRBO

    NeuroBo Pharmaceuticals, Inc.

    Sep 18, 2024
    Purchase(P)

    Warrants to Purchase Common Stock

    Direct
    3.8M shares-
  • NeuroBo Pharmaceuticals, Inc. logo
    NRBO

    NeuroBo Pharmaceuticals, Inc.

    Sep 12, 2024
    Sale(S)
    Direct
    407 shares at avg. $3.75$2K

1-4 of 4

About DONG-A ST CO., LTD

DONG-A ST CO., LTD (SEC CIK 0001799260) files insider reports with the SEC as 10% Owner of NeuroBo Pharmaceuticals, Inc. (NRBO).

Signal8 holds 2 ownership filings by DONG-A ST CO., LTD, all Form 4s, filed between Sep 20, 2024 and May 20, 2025. Those filings report 4 transactions, from Sep 12, 2024 to May 8, 2025. Signal8's Form 4 history starts in Sep 2024.

The business address on DONG-A ST CO., LTD's filings is in SEOUL, M5.

Recent filings by DONG-A ST CO., LTD

  • May 8, 2025: Open-market purchase of MTVA shares (Form 4, code P).
  • Sep 18, 2024: Open-market purchases of NRBO derivative securities (2 lines, Form 4, code P).
  • Sep 12, 2024: Open-market sale of NRBO shares (Form 4, code S).

How to read Form 4 transaction codes