Non-Registered Executive Reports Initial Insider Holdings of 428 Shares — Samsung Electronics

Summary

Kang Kun Hyuk, a non-registered executive (Sangmu/Vice President) at Samsung Austin Semiconductor (Samsung's U.S. research arm), filed his first insider ownership report covering activity from his September 2021 appointment through June 2026. Total holdings stand at 428 shares (common + preferred combined), accumulated through small open-market purchases starting at KRW 58,200–79,100 in 2021–2022 and resuming at KRW 168,300–205,000 per share in March–April 2026. Two forced sales (반대매매) in April 2026 totaling 9 common shares were triggered to cover margin call shortfalls of KRW 81,880 and KRW 1,066,840. The position represents 0% of outstanding shares (6.74 billion) and carries no material signaling value beyond confirming the executive's personal accumulation pattern.

Historical Impact

10 past Insider Ownership Change · ≈ Form 4 events at Samsung Electronics

Median +5d

-9.87%

Range

-16.53% to -6.85%

Positive outcomes

0/10

Filed	P₀	P₊₅	+5d
Jul 1, 2026	₩314,500	₩285,500	-9.22%
Jun 30, 2026	₩334,000	₩291,500	-12.72%

Full Translation

Report on Ownership of Specified Securities by Executives and Major Shareholders 6.1 Samsung Electronics Co., Ltd. 20210902 Report on Ownership of Specified Securities by Executives and Major Shareholders To: Securities and Futures Commission To: Korea Exchange Date of Reporting Obligation: June 24, 2022 Report Reference Date: June 17, 2026 * The reporter confirms that, as of the report reference date, the ownership status of specified securities has been accurately prepared in accordance with relevant laws and instructions, with no false statements or omissions of material matters. Reporter: KANG KUN HYUK 1. Information on the Issuing Company Company Name: Samsung Electronics Co., Ltd. Corporate Type: KOSPI-listed corporation Company Code: 005930 Total Issued Shares: 6,735,612,586 2. Information on the Reporter Report Type: New filing Reporter Category: Individual (foreign national) Name (Korean): KANG KUN HYUK Name (English/Hanja): KANG KUN HYUK Date of Birth / Business Registration No.: 781116 Address (down to dong/eup/myeon level): Apt. 119-402, Acro Riverhaim, 52 Hyeonchung-ro, Dongjak-gu, Seoul Relationship with Issuer: Executive (registration status) — Non-registered executive Title: Vice President (Sangmu) Appointment Date: September 2, 2021 Retirement Date: - Major Shareholder: - Business Contact / Person in Charge: Affiliated Company: Samsung Electronics Co., Ltd. Department: Samsung Austin R&D Center Position: Vice President (Sangmu) Phone: 010-40******* Name: KANG KUN HYUK Fax: 02-225****** Email: ******k.kang@samsung.com 3. Ownership Status of Specified Securities A. Number and Ownership Ratio of Specified Securities Held - Previous Report: - / - / - / - / - - This Report (June 17, 2026): 428 specified securities (0%) / 428 shares (0%) - Change: +428 (0%) / +428 shares B. Ownership Breakdown by Type of Specified Security Common stock (A): 428 shares (0%) Warrants (B): 0 Convertible bonds (C): 0 Bonds with warrants (D): 0 Profit-participating bonds (E): 0 Exchangeable bonds (F): 0 Depositary receipts (G): 0 Other (H): 0 Total (I): 428 shares (0%) Total issued shares (J): 6,735,612,586 Non-share specified securities (B+C+D+E+F+G+H=I): 0 Ownership ratio of specified securities [(A+I) / (J+I-(F+G+H))] × 100: 0% Ownership ratio of common stock (A/J) × 100: 0% * Only exchangeable bonds whose underlying is stock, depositary receipts with stock underlying, and derivative-linked securities are excluded from the denominator. C. Detailed Change History (Reason | Trade Date* | Security Type | Pre-change shares | Change | Post-change shares | Acquisition/Disposal Price (KRW)** | Notes | Trading Plan Report Date) - New filing (+) | 2021-09-02 | Common | - | 1 | 1 | - | Executive appointment | - - New filing (+) | 2021-09-02 | Preferred | - | 3 | 3 | - | Executive appointment | - - On-market purchase (+) | 2021-09-29 | Common | 1 | 2 | 3 | 77,300 | - | - - On-market purchase (+) | 2021-10-01 | Common | 3 | 2 | 5 | 74,300 | - | - - On-market purchase (+) | 2021-10-15 | Common | 5 | 2 | 7 | 69,400 | - | - - On-market purchase (+) | 2021-11-30 | Common | 7 | 2 | 9 | 72,600 | - | - - On-market purchase (+) | 2022-01-05 | Common | 9 | 10 | 19 | 79,100 | - | - - On-market purchase (+) | 2022-02-16 | Common | 19 | 10 | 29 | 73,700 | - | - - On-market purchase (+) | 2022-04-20 | Common | 29 | 10 | 39 | 67,000 | - | - - On-market purchase (+) | 2022-04-20 | Preferred | 3 | 10 | 13 | 60,300 | - | - - On-market purchase (+) | 2022-06-24 | Common | 39 | 200 | 239 | 58,200 | - | - - On-market purchase (+) | 2026-03-11 | Common | 239 | 10 | 249 | 171,000 | - | - - On-market purchase (+) | 2026-03-12 | Common | 249 | 10 | 259 | 187,900 | - | - - On-market purchase (+) | 2026-03-13 | Preferred | 13 | 14 | 27 | 141,800 | - | - - On-market purchase (+) | 2026-03-16 | Preferred | 27 | 14 | 41 | 134,500 | - | - - On-market purchase (+) | 2026-03-17 | Common | 259 | 11 | 270 | 183,100 | - | - - On-market purchase (+) | 2026-03-18 | Common | 270 | 10 | 280 | 188,600 | - | - - On-market purchase (+) | 2026-03-20 | Preferred | 41 | 13 | 54 | 146,400 | - | - - On-market purchase (+) | 2026-03-23 | Common | 280 | 10 | 290 | 205,000 | - | - - On-market purchase (+) | 2026-03-24 | Common | 290 | 10 | 300 | 199,100 | - | - - On-market purchase (+) | 2026-03-25 | Common | 300 | 16 | 316 | 186,300 | - | - - On-market purchase (+) | 2026-03-26 | Common | 316 | 15 | 331 | 190,000 | - | - - On-market purchase (+) | 2026-03-30 | Common | 331 | 16 | 347 | 180,600 | - | - - On-market purchase (+) | 2026-03-31 | Common | 347 | 18 | 365 | 173,100 | - | - - On-market purchase (+) | 2026-04-02 | Common | 365 | 18 | 383 | 168,300 | - | - - On-market sale (-) | 2026-04-02 | Common | 383 | -1 | 382 | 170,000 | Forced sale to cover unpaid margin (selection date 2026-03-31, shortfall KRW 81,880) | - - On-market sale (-) | 2026-04-07 | Common | 382 | -8 | 374 | 184,200 | Forced sale to cover unpaid margin (selection date 2026-04-03, shortfall KRW 1,066,840) | - Total: 0 / 428 / 428 * For securities-market transactions, the contract settlement date is used. ** For non-stock securities, the figure represents the exercise (conversion/exchange) price or the trading unit price of shares acquired/disposed of through the exercise of rights; amounts in parentheses indicate the trading unit price of that security.