Transaction · 0001193125-26-384273

Liu Chitung

Liu Chitung, CFO, SVP, reported a transaction classified as other at UNITED MICROELECTRONICS CORP involving 1000000.000000 shares for an estimated $0.00. Reported holdings after the transaction were 4322917.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

otherSEC transaction code JCFO, SVP
UMCUNITED MICROELECTRONICS CORP
Trade date
Sep 07, 2026
Filing date
Sep 08, 2026
View on SEC Insider profile
Estimated value$0Shares × reported price
Shares traded1.00M$0.00 per share
Holdings after4.32MDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Filing warnings

Notes recorded with this filing
1 warning
ambiguous transaction codeThe transaction code is missing or represents other activity; review the filing and footnotes.

UMC price since this filing

Daily closing prices, with the filing date and available return windows
UMC · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago1w ago1d ago
Returns since7d -1.0%30d +6.8%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
other
Code J
Identifier
0001193125-26-384273
Common Shares
Transaction date
Sep 07, 2026
Filed Sep 08, 2026, 10:01 AM · 1d delay
Shares
1,000,000 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
4,322,917 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
Filing-only score

+6 points

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 1

    Filing reported within two business days of the transaction.
  • ambiguous_code-4 points

    transaction_code = J

    Other/ambiguous code reduces confidence.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

CFO & SVP

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    On September 7, 2026, the CTBC Bank Trust distributed 1,000,000 Common Shares of the Issuer to the Reporting Person due to the expiration and termination of the trust, resulting in a change in the for…

  2. F2

    Includes 1,210,000 shares of Restricted Stock Award (RSA) and a specified number of shares subject to the RSA will vest annually on December 5 from 2026 to 2029.

  3. F3

    The shares are under Trust with Discretion Reserved.

Original filing · 0001193125-26-384273
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