KT Corporation KT

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KT Corporation Common Stock · Company · NYSE

Announcement types: (default: consequential filings)
Results & current reports
Capital markets
Ownership & governance

USD closing-price chart (daily close from yfinance · Last year)

USD 21.03 → 18.00 · -14.4%
24.54020.90017.260 1 2 3 4 5 6 7 8 9 10 11 12 13,14,15,16,17 18,19 20 21,22 23,24 25 26 27,28,29,30 31 32 33 34,35,36,37 Jul 25Oct 25Jan 26Apr 26Jul 26

Numbered dotted lines mark the filtered filings under Announcement Events below.

Price & SEC Filing History 22 Jul 2025 — 23 Jul 2026 (Last year)

Daily NYSE prices are sourced from yfinance. Yellow highlighting marks an intraday rise or a gap up between adjacent trading sessions. SEC acceptance times are converted to US Eastern time: pre-market filings appear below that day’s OHLCV row; filings accepted after the 09:30 ET open appear above it. The SEC does not publish an exact first-public-availability timestamp, so acceptance time is the best available proxy.

No data yet
17.8900 18.0000 17.7550 18.0000 1,688,156
17.9500 18.0000 17.7900 17.8600 1,059,400
17.7200 18.0000 17.5700 17.9000 1,741,100
Weekend
Weekend
17.7000 17.8000 17.5200 17.5600 904,500
17.5100 17.9300 17.5100 17.6500 793,900
17.3500 17.6300 17.2500 17.3400 1,463,500
17.4800 17.6100 17.2900 17.3400 1,340,000
37 · 6-K Pre-market · 06:05 ET 6-K ↗ 36 · 6-K Pre-market · 06:04 ET 6-K ↗ 35 · 6-K Pre-market · 06:03 ET 6-K ↗ 34 · 6-K Pre-market · 06:01 ET 6-K ↗
17.8000 17.8300 17.3600 17.3800 1,368,900
Weekend
Weekend
18.6600 18.6600 17.7700 17.9500 1,827,200
18.4200 18.6800 18.3300 18.6800 1,267,600
18.2900 18.3400 18.0900 18.2900 1,437,500
17.8900 18.3600 17.8400 18.2600 1,487,200
18.0000 18.0000 17.5500 17.6400 1,653,000
33 · 6-K Pre-market · 06:04 ET 6-K ↗
Weekend
Weekend
No trading
17.5000 17.8600 17.5000 17.6900 1,784,600
17.1400 17.3800 17.1300 17.2600 1,212,500
17.4300 17.5100 17.2700 17.2800 945,800
17.5900 17.7500 17.2100 17.4400 940,200
Weekend
Weekend
17.7400 17.9700 17.6000 17.6500 1,438,400
18.0700 18.1600 17.7400 17.8100 2,251,900
17.6000 17.9700 17.6000 17.8100 2,217,900
17.4700 17.8100 17.3800 17.7800 2,774,400
17.9600 18.1000 17.5000 17.8500 1,886,300
Weekend
Weekend
No trading
18.4900 18.5600 18.1000 18.3200 2,468,900
18.7000 18.7800 18.2300 18.2600 1,216,300
18.7200 18.9800 18.6100 18.7600 928,500
18.6500 18.9700 18.6300 18.8400 1,336,800
Weekend
Weekend
18.3400 18.8600 18.3400 18.5100 1,221,600
18.6000 18.9800 18.4900 18.7500 3,589,600
18.7200 18.8800 18.4300 18.4300 1,294,700
32 · 6-K Next filing day · accepted 09 Jun, 21:50 ET 6-K ↗
18.6300 19.0600 18.5900 18.6900 3,417,900
18.2600 18.7500 18.2000 18.4700 2,742,300
Weekend
Weekend
17.6600 18.1500 17.6100 18.1200 3,103,000
18.1000 18.4000 17.8900 18.2100 1,804,300
18.5000 18.6700 18.3600 18.3800 1,856,800
18.3600 18.7000 18.3200 18.6100 1,537,300
17.8500 18.3800 17.7700 18.2200 3,212,000
Weekend
Weekend
17.8100 18.0000 17.7100 17.8200 2,569,600
31 · 6-K Next filing day · accepted 28 May, 21:50 ET 6-K ↗
17.5700 17.7300 17.4500 17.6900 2,024,900
18.0700 18.0700 17.6000 17.7000 1,267,800
18.3500 18.5100 18.1900 18.2100 1,333,900
No trading
Weekend
Weekend
18.5000 18.5600 18.2800 18.3200 1,898,600
18.7400 18.8300 18.2200 18.6000 1,602,900
18.8500 18.9900 18.4300 18.4800 3,091,200
18.9300 19.0400 18.8200 18.8500 1,590,100
19.6500 19.6600 19.0900 19.1600 995,700
Weekend
Weekend
19.6100 19.8300 19.5800 19.5800 1,198,400
20.4700 20.4700 19.6300 19.7100 3,171,300
20.5900 20.7700 20.3800 20.4100 711,700
20.7000 21.0200 20.4800 20.5700 1,244,600
30 · 6-K Next filing day · accepted 11 May, 21:44 ET 6-K ↗ 29 · 6-K Next filing day · accepted 11 May, 21:41 ET 6-K ↗ 28 · 6-K Next filing day · accepted 11 May, 21:38 ET 6-K ↗ 27 · 6-K Next filing day · accepted 11 May, 21:36 ET 6-K ↗
21.1200 21.4400 20.9400 21.0800 876,300
Weekend
Weekend
21.1500 21.5800 21.0900 21.1800 622,000
21.1300 21.2300 20.9400 20.9600 1,123,400
21.4500 21.4600 21.0300 21.1800 768,500
21.3300 21.5100 21.2900 21.4400 438,100
21.2300 21.3400 21.1400 21.1900 726,300
26 · 6-K Pre-market · 06:18 ET 6-K ↗
Weekend
Weekend
21.4400 21.4600 21.2400 21.2500 387,600
21.2000 21.4300 21.1400 21.4300 693,000
21.1300 21.3700 21.0300 21.1300 857,500
25 · 20-F Pre-market · 06:43 ET 20-F ↗
21.2900 21.3100 21.0700 21.1900 658,400
21.5400 21.6700 21.2800 21.3200 1,063,400
Weekend
Weekend
21.6400 21.7200 21.4400 21.6700 1,069,000
21.8500 21.8900 21.5700 21.6900 1,025,800
21.8500 21.9400 21.6100 21.8400 890,800
21.9400 22.1200 21.7700 21.7700 1,003,600
21.6600 22.2600 21.6600 21.9200 2,104,600
Weekend
Weekend
22.8200 22.9200 22.6400 22.6900 1,880,500
22.6500 22.8200 22.6100 22.7000 1,141,800
22.8100 22.9300 22.4300 22.6500 1,566,800
22.5500 23.0100 22.5200 22.7500 1,248,000
24 · 6-K/A Pre-market · 08:29 ET 6-K/A ↗ 23 · 6-K Next filing day · accepted 13 Apr, 20:50 ET 6-K ↗
22.4600 22.6200 22.3300 22.5500 900,300
Weekend
Weekend
22.2500 22.6500 22.2500 22.6200 1,252,300
21.9900 22.3600 21.9500 22.1900 1,043,500
22.0000 22.3300 21.9100 22.1100 1,376,400
21.2700 21.5000 21.2000 21.4800 1,582,500
21.5900 21.7200 21.2400 21.2500 1,061,700
Weekend
Weekend
No trading
21.4200 21.5800 21.3100 21.5000 1,041,900
21.6400 21.9900 21.5700 21.8800 1,047,300
21.2100 21.5600 21.0000 21.4500 1,728,700
22 · 6-K Pre-market · 07:09 ET 6-K ↗ 21 · 6-K Pre-market · 07:08 ET 6-K ↗
21.5300 21.5800 21.1600 21.1600 1,319,900
Weekend
Weekend
21.5000 21.8100 21.3900 21.5300 708,100
21.5300 21.6500 21.3200 21.3800 945,400
21.8500 21.9600 21.7600 21.8100 902,100
21.0600 21.8100 21.0000 21.6500 1,222,600
20.8900 21.3600 20.6300 21.2600 2,499,900
Weekend
Weekend
21.8000 21.9200 21.6400 21.6400 1,999,900
21.9300 21.9300 21.6800 21.8400 1,090,500
22.0000 22.2500 21.9400 22.0100 1,155,300
21.8800 22.3800 21.8000 22.2600 1,673,600
21.5200 21.6800 21.3100 21.6000 1,647,700
20 · 6-K/A Pre-market · 07:15 ET 6-K/A ↗
Weekend
Weekend
22.0200 22.0200 21.2200 21.2200 1,992,600
22.0000 22.0200 21.7100 21.7800 980,300
22.3800 22.3800 22.0000 22.0700 1,088,000
22.5400 22.7100 21.8900 22.3900 1,328,700
19 · 6-K Pre-market · 07:37 ET 6-K ↗ 18 · 6-K Next filing day · accepted 09 Mar, 21:57 ET 6-K ↗
21.8900 22.4000 21.5100 22.2100 2,308,800
Weekend
Weekend
22.0100 22.4200 21.7900 22.0100 2,762,500
22.1400 22.4700 22.0400 22.3300 3,077,400
21.8200 22.9300 21.5100 22.9000 4,248,700
22.6200 22.8300 21.9700 22.6000 1,563,000
23.4000 23.7500 23.2000 23.5600 1,676,100
Weekend
Weekend
23.8000 24.0000 23.6300 23.8000 1,509,100
24.3300 24.4400 23.9400 23.9700 3,919,800
24.2400 24.4100 24.0100 24.3300 1,625,600
23.9600 24.2700 23.8700 24.1300 2,101,100
24.2500 24.4300 23.7800 23.9100 4,495,700
Weekend
Weekend
24.5100 24.5800 24.1100 24.5400 1,429,500
24.0000 24.3400 23.8000 24.1500 2,221,300
23.7500 23.8700 23.5400 23.7900 2,307,000
23.7600 23.8000 23.2400 23.7500 3,049,700
No trading
Weekend
Weekend
23.5900 23.7900 23.4600 23.5600 1,008,800
23.6500 23.9700 23.2900 23.5200 2,074,700
23.0000 23.4500 22.7400 23.3900 2,359,500
21.8800 23.2400 21.8800 22.6600 2,449,600
17 · 6-K Next filing day · accepted 09 Feb, 21:06 ET 6-K ↗ 16 · 6-K Next filing day · accepted 09 Feb, 20:20 ET 6-K ↗ 15 · 6-K Next filing day · accepted 09 Feb, 20:08 ET 6-K ↗ 14 · 6-K Next filing day · accepted 09 Feb, 20:04 ET 6-K ↗ 13 · 6-K Next filing day · accepted 09 Feb, 19:59 ET 6-K ↗
21.4600 21.8000 21.3700 21.7700 1,590,400
Weekend
Weekend
21.0400 21.2900 20.9700 21.2700 1,640,900
20.9600 21.1500 20.9000 21.0200 2,416,700
20.9000 21.2500 20.6800 21.1700 1,891,900
20.9400 21.1400 20.8500 20.9000 1,535,200
12 · 6-K Next filing day · accepted 02 Feb, 19:19 ET 6-K ↗
20.6500 20.8200 20.3200 20.6900 1,606,100
Weekend
Weekend
20.8500 21.1600 20.7600 20.9200 2,529,000
20.9500 21.4400 20.9100 21.0800 1,894,200
20.7500 20.9900 20.5900 20.7200 1,468,800
20.1400 20.7400 20.1400 20.6600 1,434,300
19.9400 20.0500 19.8500 19.9400 1,180,900
Weekend
Weekend
19.6800 19.9500 19.5700 19.9100 1,107,300
19.6500 19.7700 19.6400 19.6700 1,779,200
19.7900 19.8000 19.4900 19.6300 2,559,000
19.5000 19.6100 19.2600 19.5200 1,761,100
11 · 6-K Pre-market · 06:06 ET FORM 6-K ↗
No trading
Weekend
Weekend
19.2800 19.5000 19.1600 19.4900 1,401,000
19.1400 19.4100 19.0600 19.2900 1,241,300
18.9500 19.2300 18.8700 19.1700 2,052,100
19.0000 19.1000 18.8700 18.9300 1,233,400
18.8000 19.1100 18.6700 19.0500 2,371,400
Weekend
Weekend
18.9500 18.9900 18.7700 18.8200 1,443,400
18.7800 19.0100 18.7800 18.9700 1,848,700
19.2100 19.3900 18.9600 18.9700 1,672,400
19.1100 19.3300 19.0300 19.2100 3,119,900
19.0900 19.3900 18.9700 19.0900 2,187,500
Weekend
Weekend
18.8500 19.1400 18.7600 19.0400 2,283,600
No trading
18.9900 19.0800 18.9400 18.9700 601,900
19.0400 19.0800 18.9200 19.0500 993,000
19.0100 19.1400 18.9000 19.0600 929,400
Weekend
Weekend
19.1000 19.1600 18.9200 19.1500 665,600
No trading
18.7800 19.0600 18.7800 19.0300 633,700
18.6200 18.7600 18.5400 18.6000 762,000
18.5200 18.7000 18.4700 18.6200 966,300
Weekend
Weekend
18.7400 18.9100 18.6200 18.6200 1,709,000
19.0400 19.1000 18.7600 18.8100 2,628,900
18.7200 19.0500 18.7100 19.0500 3,113,800
10 · 6-K Pre-market · 07:45 ET FORM 6-K ↗
18.9500 19.0300 18.6500 18.7100 2,389,900
18.9200 19.2900 18.8500 19.0100 2,392,300
Weekend
Weekend
18.6800 18.7500 18.6300 18.7000 2,562,500
18.3800 18.5600 18.2300 18.5100 3,032,200
18.3500 18.6400 18.3500 18.6300 1,148,400
18.5900 18.6900 18.3100 18.3900 1,672,900
18.5200 18.5300 18.3700 18.4900 1,900,800
Weekend
Weekend
18.6400 18.7700 18.5400 18.5600 1,471,000
18.7400 18.8200 18.5300 18.5600 1,692,300
18.8900 19.0300 18.5700 18.5700 2,058,800
18.4400 18.5000 18.2300 18.3800 2,364,100
9 · 6-K Next filing day · accepted 01 Dec, 19:39 ET FORM 6-K ↗
18.3100 18.4900 18.2300 18.4500 1,556,400
Weekend
Weekend
18.3800 18.4300 18.2200 18.3600 830,600
No trading
18.1500 18.4100 18.1500 18.3500 1,954,900
17.8700 18.2000 17.6900 18.1800 2,716,700
17.7700 17.9400 17.7200 17.8300 1,861,400
Weekend
Weekend
17.7500 17.9500 17.7300 17.8300 1,270,000
17.7800 17.8900 17.5400 17.6700 1,762,100
17.9300 18.0000 17.6800 17.7900 1,380,900
18.2000 18.2000 17.7700 17.8800 2,008,900
18.1300 18.2100 17.9500 18.1400 1,814,000
Weekend
Weekend
18.2000 18.2000 18.0400 18.1000 1,394,300
18.2600 18.4000 18.0200 18.1500 2,097,000
18.3000 18.3800 18.0000 18.0200 1,408,700
8 · 6-K Pre-market · 06:05 ET FORM 6-K ↗
18.2000 18.4300 18.1400 18.3400 1,920,000
18.1000 18.2600 17.8100 18.1000 1,372,100
Weekend
Weekend
18.0400 18.4700 18.0400 18.2100 919,100
7 · 6-K Pre-market · 06:12 ET FORM 6-K ↗
18.3300 18.6200 18.2100 18.4300 1,875,700
18.3800 18.4800 18.3000 18.3600 831,000
18.4700 18.6100 18.4400 18.4900 1,267,300
18.6600 18.7000 18.4200 18.7000 1,229,100
Weekend
Weekend
18.4000 18.5600 18.2000 18.5500 1,223,600
6 · 6-K Pre-market · 06:05 ET FORM 6-K ↗
18.6400 18.7500 18.4000 18.4000 792,900
19.2200 19.2200 18.8900 18.9000 773,900
18.7600 19.1300 18.7100 19.1300 1,207,100
18.6000 18.9500 18.2000 18.8400 929,600
Weekend
Weekend
18.7500 18.7500 18.5000 18.6100 1,409,800
18.8900 18.9800 18.7100 18.7300 667,800
18.9000 19.0600 18.8700 19.0200 679,800
19.0300 19.1100 18.8700 18.9300 892,400
5 · 6-K Pre-market · 06:02 ET FORM 6-K ↗
19.1200 19.2600 19.0800 19.2500 956,500
Weekend
Weekend
19.0600 19.1100 18.9000 19.0100 1,040,500
18.7000 19.2700 18.5100 19.2200 3,810,400
18.2100 18.5200 18.1900 18.5000 1,469,100
18.2700 18.2700 18.0400 18.2000 1,588,900
18.7600 18.7700 18.4800 18.4800 1,614,300
Weekend
Weekend
18.9700 18.9700 18.5600 18.5700 1,151,000
19.3900 19.4300 18.8600 18.9100 961,300
19.4600 19.4600 19.2600 19.3700 812,600
19.5100 19.5100 19.2500 19.3400 634,500
19.5400 19.6400 19.4100 19.5200 589,500
Weekend
Weekend
19.8900 19.9000 19.6600 19.6700 724,200
19.9600 20.0200 19.8000 19.8800 1,230,500
19.6000 19.9200 19.5200 19.7600 1,572,300
19.4600 19.5100 19.2900 19.5000 2,575,800
19.3000 19.5200 19.2500 19.4800 1,476,900
Weekend
Weekend
19.3300 19.3600 19.2000 19.3200 912,300
19.5000 19.6000 19.3000 19.3400 1,113,900
19.4100 19.5900 19.3800 19.4900 2,272,900
19.4700 19.5400 19.3200 19.4100 1,415,200
19.3100 19.4500 19.1700 19.4200 1,730,800
Weekend
Weekend
19.7500 19.8300 19.3100 19.3900 1,293,100
20.1000 20.1200 19.9500 19.9800 923,900
19.9400 20.2200 19.9400 20.0900 979,800
20.0100 20.1800 19.8800 20.0100 1,775,200
19.8500 20.1700 19.7600 20.0500 1,407,000
Weekend
Weekend
19.7500 19.7600 19.5800 19.7400 1,218,200
20.0500 20.1300 19.9200 20.0600 1,352,000
19.6700 19.8600 19.5700 19.7400 2,549,100
19.7500 20.0300 19.6000 20.0000 2,944,500
20.1400 20.2000 20.0200 20.0400 812,300
Weekend
Weekend
20.4000 20.4200 20.2200 20.2800 1,735,100
4 · 6-K Pre-market · 06:02 ET FORM 6-K ↗
20.0100 20.1400 19.9300 20.1400 978,600
19.7800 20.1100 19.7000 19.9800 2,442,900
19.8700 19.9800 19.6100 19.7800 1,624,900
No trading
Weekend
Weekend
20.2700 20.3100 20.1300 20.2500 997,900
20.2500 20.5400 20.2200 20.4300 1,420,700
20.3200 20.3200 20.0900 20.1900 782,900
20.8500 20.8500 20.4100 20.4100 1,778,600
20.7200 21.1400 20.6300 20.9700 1,068,000
Weekend
Weekend
20.4400 20.6900 20.3700 20.6900 1,221,000
20.7900 20.8700 20.4600 20.4800 929,800
20.8100 21.1200 20.7300 20.9500 2,247,600
20.6900 20.7800 20.5600 20.7500 2,983,500
20.6000 20.8000 20.5000 20.7900 1,821,600
Weekend
Weekend
20.7500 20.7700 20.5100 20.5900 712,300
20.2700 20.7500 20.2700 20.7000 2,002,000
20.1200 20.4400 19.9500 20.2700 1,719,600
3 · 6-K Pre-market · 06:05 ET FORM 6-K ↗
20.2000 20.2000 19.8900 20.1000 2,521,400
19.9000 20.1800 19.9000 20.0400 1,499,100
2 · 6-K Pre-market · 06:10 ET FORM 6-K ↗
Weekend
Weekend
20.1000 20.2700 19.9400 20.1900 666,700
20.0000 20.3600 19.7100 20.1500 1,829,500
20.5400 20.5400 20.1400 20.1700 1,341,000
20.6100 20.7500 20.4900 20.7500 1,027,100
1 · 6-K Next filing day · accepted 04 Aug, 21:19 ET FORM 6-K ↗
20.5100 20.7800 20.5000 20.5600 1,269,600
Weekend
Weekend
19.9400 20.4800 19.3200 20.3800 1,217,500
20.0400 20.2300 20.0400 20.1900 1,213,700
20.1500 20.3000 20.1500 20.2100 478,800
19.9700 20.3400 19.9300 20.3400 1,084,000
20.3200 20.3900 19.9300 20.0400 1,119,200
Weekend
Weekend
20.7700 20.8500 20.5800 20.6500 517,800
21.0000 21.1300 20.9300 20.9500 1,264,400
21.0300 21.1500 20.9500 21.0700 1,008,300
20.8700 21.1000 20.8500 21.0300 730,400

Announcement Events

Each title opens the filing on the SEC website. Registered users can summarise the filing and up to seven relevant exhibits linked within the same SEC submission.