International Business Machines Corporation IBM

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International Business Machines 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 281.96 → 205.77 · -27.0%
329.230267.500205.770 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 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
25 · 8-K After-hours · 16:10 ET 8-K ↗
207.6800 212.3417 204.7300 205.7700 13,781,470
210.7200 214.9700 209.1800 210.5000 11,954,400
210.0700 216.2800 208.8200 213.0000 9,585,000
Weekend
Weekend
215.6200 217.1700 210.2200 212.6700 13,150,200
208.8200 219.9500 204.4400 219.0500 22,533,300
220.9700 223.8100 211.0300 211.2000 29,590,400
226.3700 229.9200 213.2200 217.0700 67,440,900
24 · 8-K Pre-market · 07:01 ET 8-K ↗
290.5000 297.5000 289.1000 290.2300 5,024,200
Weekend
Weekend
297.2600 298.7700 287.5000 287.5600 3,640,100
285.8400 297.2800 284.4400 295.3000 10,842,000
300.7700 303.8200 295.5900 302.0500 7,416,700
305.6600 311.8000 300.4900 306.1300 8,618,600
288.3500 300.8200 287.6500 299.5200 7,181,500
Weekend
Weekend
No trading
283.1400 290.9300 282.2800 289.5200 5,944,100
279.6600 294.4900 278.9600 286.2500 6,905,800
273.2100 282.5700 271.1200 281.2100 7,458,400
274.3000 278.1500 269.0600 278.0000 6,464,200
Weekend
Weekend
258.9400 273.1400 258.2800 271.6300 9,719,900
267.6700 268.7600 256.0000 258.2700 8,520,700
261.8400 265.0700 256.1800 262.9600 8,149,900
23 · 8-K After-hours · 16:18 ET 8-K ↗
261.5800 267.5300 255.2600 264.9400 15,686,100
248.4300 253.3100 243.8100 252.2200 9,615,400
Weekend
Weekend
No trading
251.3800 252.4700 243.6800 249.1000 16,619,700
266.3500 268.8700 261.8800 262.3500 5,537,000
270.8700 276.6200 268.6100 270.8100 4,917,600
272.0000 272.2500 264.8000 268.7100 7,178,800
Weekend
Weekend
278.9400 278.9400 267.6800 272.2400 5,748,900
268.0000 276.4800 266.5000 274.8500 7,558,300
273.8200 280.5100 271.3300 272.3600 5,497,100
281.1400 283.5900 271.2900 277.4900 9,007,900
286.4400 290.5000 279.4300 280.8200 6,790,600
Weekend
Weekend
300.0000 302.3000 281.0700 284.8400 12,509,500
307.4300 310.4400 300.1800 301.7700 9,608,100
318.3000 318.3000 302.5300 305.6300 13,926,600
313.7500 332.4600 310.1100 329.2300 17,210,700
322.5500 327.9800 308.0000 320.4200 32,880,200
Weekend
Weekend
277.3000 301.0000 273.3300 297.8000 28,481,000
261.0000 268.8900 257.0000 264.2200 12,432,900
22 · 8-K Pre-market · 06:49 ET 8-K ↗
250.4600 257.6200 250.4600 255.2000 9,275,500
254.5500 254.5500 245.4500 250.6900 9,256,100
No trading
Weekend
Weekend
262.0500 264.3800 253.3900 253.8400 19,072,900
232.5800 253.6300 230.9400 252.9700 25,707,800
221.0500 225.0000 216.7800 225.0000 4,873,400
224.5000 227.3500 221.9200 222.3300 5,937,800
218.5500 223.3300 217.7500 222.7500 5,946,400
Weekend
Weekend
218.2000 220.9100 217.6200 219.3000 6,154,500
215.5500 220.9600 215.0000 218.3700 5,906,200
218.2700 218.3100 212.3400 214.6400 8,361,200
224.4300 224.4300 219.2200 219.2200 6,045,200
228.6600 230.2300 222.5500 223.5500 6,677,200
Weekend
Weekend
229.7300 230.7100 224.8300 229.7600 5,332,800
227.5000 231.8200 227.4100 231.3100 5,485,500
228.7500 229.0000 224.3800 225.7400 7,673,200
230.1600 231.0000 227.1500 229.0300 4,221,900
232.0000 234.0900 228.6200 229.4800 4,003,100
Weekend
Weekend
21 · 8-K After-hours · 16:18 ET 8-K ↗
234.5500 235.9500 231.7500 232.2000 3,582,100
226.5300 231.6000 224.9000 230.9800 6,283,300
230.3400 231.4800 226.8200 227.1000 6,443,700
230.5000 233.5600 228.4600 233.0400 5,162,900
229.9500 231.3200 227.1200 228.0500 8,060,700
Weekend
Weekend
231.9300 232.8000 225.0000 231.9800 9,816,900
232.2700 232.9100 221.7300 231.0800 22,297,800
20 · 10-Q Pre-market · 06:22 ET 10-Q ↗ 19 · 8-K After-hours · 16:10 ET 8-K ↗
254.5100 257.5400 247.2100 251.8600 12,190,200
254.0000 258.0900 251.8700 255.6800 5,584,900
255.0000 258.5000 252.5600 253.7100 5,157,700
Weekend
Weekend
254.6700 255.6500 251.0400 253.4700 5,671,500
248.7500 251.2200 246.1300 251.0000 4,817,500
242.2500 246.0600 240.9900 244.8000 3,879,500
238.7500 241.5400 238.1200 240.2700 3,777,300
233.6300 238.0700 231.7000 237.8200 5,349,600
Weekend
Weekend
239.1900 239.2700 230.5100 230.7600 5,869,400
240.8800 241.7400 233.7600 237.1800 5,078,600
18 · DEFA14A After-hours · 16:32 ET DEFA14A ↗
248.6300 250.0000 240.8000 241.7400 4,771,500
245.3200 245.7600 241.1000 245.0700 2,356,100
248.1400 248.9000 244.7400 246.7400 3,376,000
Weekend
Weekend
No trading
243.0000 248.2100 241.4900 248.1600 3,350,900
242.1200 246.2600 240.1400 243.1400 4,228,700
240.2700 242.8500 236.3800 242.3900 4,750,300
237.8000 240.2100 236.1300 237.2500 3,882,600
Weekend
Weekend
238.8500 239.4400 233.7500 236.3400 4,853,700
240.5600 246.6700 239.8000 241.6700 3,606,800
243.6000 246.1900 238.0000 241.3900 4,207,900
246.4500 247.1100 238.0000 240.5900 4,151,500
246.5000 251.3500 244.7100 248.4400 4,972,000
Weekend
Weekend
249.0000 250.2800 241.7700 241.7700 11,314,100
249.4300 252.1900 248.2500 250.3700 4,249,500
254.1600 258.2800 250.1600 251.6000 5,177,000
250.5100 256.3900 250.0000 256.1100 5,840,100
247.8700 252.2000 246.1000 249.2500 5,674,200
Weekend
Weekend
247.6700 249.7200 244.7100 246.2800 4,338,400
247.1000 250.0500 245.6400 247.6800 5,547,700
250.0100 253.7200 247.2000 248.8700 4,008,500
17 · DEFA14A After-hours · 16:22 ET DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS ↗ 16 · DEF 14A After-hours · 16:21 ET DEFINITIVE PROXY STATEMENT ↗
253.2600 253.4400 246.5500 250.2000 4,938,000
255.3800 258.0800 251.5700 253.3300 6,126,600
Weekend
Weekend
256.4400 259.4000 252.2100 258.8500 6,234,400
249.3200 260.3800 249.0000 256.5500 9,894,600
245.7500 250.8500 244.9600 250.0600 6,085,000
15 · 8-K After-hours · 16:19 ET 8-K ↗
236.3500 246.0900 234.2900 245.2800 6,960,400
235.7000 240.7800 233.7800 239.3700 6,220,300
Weekend
Weekend
238.0700 240.2100 234.5700 240.2100 6,642,200
239.7100 247.4900 238.9500 242.0100 7,343,100
233.2200 239.5500 231.2200 237.5400 8,569,700
14 · 10-K After-hours · 16:07 ET 10-K ↗
227.8000 236.5900 223.6300 229.3200 13,379,800
254.3700 255.1900 220.7200 223.3500 19,522,900
Weekend
Weekend
255.2000 259.0400 253.8000 257.1600 4,708,600
256.0000 258.2800 253.5100 256.2800 4,948,700
258.6400 261.1100 256.2500 260.7900 3,949,200
259.2000 260.7000 254.6500 258.3100 4,929,700
No trading
Weekend
Weekend
260.0000 264.6600 256.6400 262.3800 6,842,600
270.3000 271.3000 257.2200 259.5200 12,565,400
292.3400 293.5000 272.3600 272.8100 7,628,200
294.9900 297.6100 290.3300 291.7600 3,837,300
295.9100 297.7200 291.4200 296.3400 4,627,800
Weekend
Weekend
292.5000 299.8900 290.6600 298.9300 3,744,300
286.1000 291.8100 285.1000 289.8900 5,532,800
291.4100 291.4100 278.9600 289.0500 8,708,000
312.4000 312.9800 283.8500 294.3100 11,466,500
13 · 8-K After-hours · 17:25 ET FORM 8-K ↗
307.5100 316.6400 306.4100 314.7300 4,581,200
Weekend
Weekend
12 · 424B5 After-hours · 17:29 ET 424B5 ↗ 11 · 424B5 After-hours · 17:28 ET 424B5 ↗ 10 · 8-K After-hours · 16:32 ET 8-K ↗
307.6000 307.7800 299.7300 306.7000 5,940,700
317.8600 319.9000 303.4700 309.2400 10,124,900
9 · 424B3 Pre-market · 08:06 ET 424B3 ↗ 8 · 424B3 Pre-market · 06:53 ET 424B3 ↗ 7 · 8-K After-hours · 16:10 ET 8-K ↗
294.1700 295.9500 291.2600 294.1600 5,790,300
297.1600 297.3300 293.2700 293.8600 2,954,900
293.1600 296.8200 293.1400 296.3300 3,726,900
Weekend
Weekend
294.0700 294.3400 289.7900 292.4400 3,298,400
299.4200 300.9300 293.5300 294.6700 3,670,200
292.7600 297.6700 292.5100 297.5400 5,185,000
301.3500 301.6000 290.1600 291.3500 7,275,500
No trading
Weekend
Weekend
301.0000 307.4500 300.7800 305.6700 6,199,600
309.0000 311.8800 297.0400 297.9500 4,932,500
303.5000 309.1900 301.5000 309.0300 3,779,000
311.6000 312.8100 301.8700 303.1600 4,507,800
302.6200 312.3300 299.9600 312.1800 3,895,200
Weekend
Weekend
302.6100 307.0000 302.0000 304.2200 2,718,800
295.0000 303.6700 295.0000 302.7200 3,343,300
302.5000 304.3100 296.3500 296.7300 2,833,300
295.0000 303.0400 294.4200 302.4700 4,147,300
295.7700 299.1900 294.2500 294.9700 4,190,000
Weekend
Weekend
297.5600 297.5700 289.0000 291.5000 4,662,800
No trading
301.7600 301.8500 295.8700 296.2100 3,430,100
306.1500 306.2400 302.0000 302.0500 1,883,700
304.6500 310.0000 303.7500 305.7400 4,664,500
Weekend
Weekend
304.6900 305.7500 303.6700 305.0900 2,814,700
No trading
303.7600 305.1500 302.3000 304.5600 1,210,600
301.3400 305.1300 300.6500 303.7800 2,923,000
301.0300 303.1800 298.3200 302.7900 2,612,100
Weekend
Weekend
300.3500 306.8600 299.1000 300.9800 11,031,000
303.1500 304.4500 295.7000 300.4500 5,411,700
303.7900 306.2500 303.0800 303.3200 3,131,000
307.3200 307.3800 300.4200 303.1800 3,366,900
308.9900 311.3600 306.3500 308.6600 3,566,700
Weekend
Weekend
310.5700 311.0500 303.3300 309.2400 2,953,400
312.0000 313.4400 308.4000 310.7400 2,755,700
310.2300 314.6900 306.6500 312.6700 3,411,500
309.6300 313.9700 308.7500 310.4800 2,935,300
309.6200 315.3500 307.9500 309.1800 3,630,200
Weekend
Weekend
308.5900 311.8300 307.1800 307.9400 2,344,700
302.8800 309.6100 302.5400 307.9900 2,962,500
302.8800 303.9700 298.9100 302.6200 3,953,400
307.0000 310.4700 301.5700 301.7800 4,261,100
306.5100 307.1200 302.8000 305.6700 3,166,600
Weekend
Weekend
304.0600 309.1800 303.6000 308.5800 1,689,000
No trading
305.1800 306.6000 301.6400 303.2100 2,196,400
304.1300 306.0000 297.0600 304.4800 2,825,300
299.1800 307.1800 297.5100 304.1200 6,050,600
Weekend
Weekend
293.4800 300.4800 291.8900 297.4400 5,710,900
294.6400 300.7100 290.1600 290.4000 5,597,000
290.5000 291.1100 288.0700 288.5300 3,595,900
297.0000 297.0000 289.9200 289.9500 4,861,900
305.5900 306.0000 296.5100 297.1700 3,909,700
Weekend
Weekend
300.0000 307.7200 297.5900 305.6900 3,592,500
312.2900 314.6000 303.6800 304.8600 5,310,200
319.8900 324.9000 314.5300 314.9800 6,042,700
309.0000 317.9100 308.4300 313.7200 4,381,900
306.8200 309.9400 304.2300 309.1300 2,975,200
Weekend
Weekend
309.6800 310.0000 302.6300 306.3800 5,070,800
306.7500 315.4400 301.0900 312.4200 6,818,500
301.3800 307.2000 299.7100 306.7700 4,650,400
300.0000 303.1700 296.0000 300.8500 5,677,300
308.0000 312.1400 304.2300 304.7300 4,958,000
Weekend
Weekend
312.0000 313.5000 301.6300 307.4100 7,697,500
306.6500 313.7500 305.0200 310.0600 4,694,300
312.7900 314.3300 307.5200 308.2100 4,135,900
312.6000 319.3500 311.4100 312.5700 6,044,800
307.8000 313.5000 302.8800 313.0900 9,868,200
Weekend
Weekend
283.7700 310.7500 282.2100 307.4600 16,914,200
6 · 10-Q After-hours · 16:21 ET 10-Q ↗ 5 · 8-K After-hours · 16:16 ET 8-K ↗
264.9500 285.5800 263.5600 285.0000 16,676,400
4 · 8-K After-hours · 16:13 ET 8-K ↗
281.9900 289.1700 281.3500 287.5100 10,538,500
283.3100 285.3100 281.6000 282.0500 4,081,000
281.2500 285.5000 280.9600 283.6500 3,494,300
Weekend
Weekend
276.1500 283.4000 275.3500 281.2800 5,309,600
281.1100 282.5600 275.6000 275.9700 2,956,900
278.3800 285.4500 277.0000 280.7500 3,346,800
275.5200 277.5300 272.5500 276.1500 3,058,100
279.7900 282.4400 274.6400 277.2200 4,333,800
Weekend
Weekend
288.9700 290.3900 277.5000 277.8200 4,508,500
289.8200 290.1300 283.3200 288.2300 4,912,400
294.1600 294.2000 286.4700 289.4600 5,297,000
295.5500 301.0400 293.2900 293.8700 7,190,100
288.6100 291.4500 287.8000 289.4200 2,881,900
Weekend
Weekend
287.5000 293.3200 287.3000 288.3700 4,375,100
285.7900 288.5400 282.7900 286.7200 3,814,200
280.2000 286.5900 280.1500 286.4900 4,381,300
280.8800 286.0200 280.5200 282.1600 5,926,900
286.0000 286.0000 279.6600 279.8000 6,022,100
Weekend
Weekend
280.5100 288.8500 280.1100 284.3100 9,063,900
272.9400 284.2300 271.1500 281.4400 11,506,200
272.6200 273.6500 267.3000 267.5300 3,159,900
272.7000 273.3000 269.2700 272.2400 5,394,100
266.6200 272.3100 266.0000 271.3700 5,030,500
Weekend
Weekend
266.0500 267.8700 263.6400 266.4000 9,858,100
258.8600 265.2300 256.8000 265.0000 4,988,400
257.5000 260.9600 257.0100 259.0800 3,974,800
256.2600 258.0000 254.4100 257.5200 2,719,900
254.0200 259.0500 254.0000 256.2400 4,028,400
Weekend
Weekend
256.9500 257.2500 252.4300 253.4400 3,433,300
257.5600 258.5500 255.6600 257.0100 3,576,000
259.6500 260.0800 254.5600 256.8800 5,185,400
256.1200 260.6600 254.8800 259.1100 4,931,100
248.6300 257.1500 247.0200 256.0900 6,940,300
Weekend
Weekend
248.2300 249.0300 245.4500 248.5300 3,147,500
245.4200 249.2800 242.8500 247.1800 4,765,100
240.0200 244.2500 239.4100 244.1000 3,163,200
240.9000 241.5500 238.2500 241.5000 3,469,500
No trading
Weekend
Weekend
245.2300 245.4600 241.7200 243.4900 2,967,600
245.4300 245.8800 243.3600 245.7300 2,820,800
242.8700 245.9600 242.0000 244.8400 3,698,400
241.0200 244.9800 240.3800 242.6300 5,386,600
242.5700 242.5700 239.4300 239.4300 3,513,300
Weekend
Weekend
240.7400 243.6800 240.2200 242.0900 3,134,900
242.2100 242.5000 238.6500 239.4000 2,991,900
242.1100 242.8800 240.3400 242.5500 3,240,100
240.0000 242.8300 239.4900 241.2800 3,328,300
239.5700 241.4200 239.1200 239.4500 3,569,600
Weekend
Weekend
237.6100 240.6200 236.7700 239.7200 4,344,300
238.2500 239.0000 235.6200 237.1100 4,556,700
236.2000 240.8400 236.2000 240.0700 5,663,600
236.5300 237.9600 233.3600 234.7700 8,792,800
242.2400 243.1500 234.7000 236.3000 9,382,000
Weekend
Weekend
248.8800 249.4800 241.6500 242.2700 6,828,400
252.8100 255.0000 248.8800 250.1600 6,251,300
251.5300 254.3200 249.2800 252.2800 3,692,100
252.0000 252.8000 249.0000 250.6700 5,823,000
251.0500 252.0800 248.1100 251.9800 5,280,600
Weekend
Weekend
251.4100 251.4800 245.6100 250.0500 9,683,400
259.5700 259.9900 252.2200 253.1500 6,739,100
261.6000 262.0000 258.9000 260.2600 3,718,300
264.3000 265.8000 261.0200 262.4100 4,627,300
260.3000 264.0000 259.6100 263.2100 5,192,500
Weekend
Weekend
260.0200 260.8000 256.3500 259.7200 7,758,700
3 · 10-Q After-hours · 16:16 ET 10-Q ↗ 2 · 8-K After-hours · 16:11 ET 8-K ↗
261.2500 262.0500 252.7500 260.5100 22,647,700
1 · 8-K After-hours · 16:16 ET 8-K ↗
284.3000 288.0800 281.4400 282.0100 8,105,900
284.7400 284.8800 281.2500 281.9600 4,824,200

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.

25 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:10 ET Summarise
24 8-K 8-K (opens SEC filing in a new tab) Pre-market · 07:01 ET Summarise
23 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:18 ET Summarise
22 8-K 8-K (opens SEC filing in a new tab) Pre-market · 06:49 ET Summarise
21 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:18 ET Summarise
20 10-Q 10-Q (opens SEC filing in a new tab) Pre-market · 06:22 ET Summarise
19 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:10 ET Summarise
18 DEFA14A DEFA14A (opens SEC filing in a new tab) After-hours · 16:32 ET Summarise
17 DEFA14A DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS (opens SEC filing in a new tab) After-hours · 16:22 ET Summarise
16 DEF 14A DEFINITIVE PROXY STATEMENT (opens SEC filing in a new tab) After-hours · 16:21 ET Summarise
15 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:19 ET Summarise
14 10-K 10-K (opens SEC filing in a new tab) After-hours · 16:07 ET Summarise
13 8-K FORM 8-K (opens SEC filing in a new tab) After-hours · 17:25 ET Summarise
12 424B5 424B5 (opens SEC filing in a new tab) After-hours · 17:29 ET Summarise
11 424B5 424B5 (opens SEC filing in a new tab) After-hours · 17:28 ET Summarise
10 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:32 ET Summarise
9 424B3 424B3 (opens SEC filing in a new tab) Pre-market · 08:06 ET Summarise
8 424B3 424B3 (opens SEC filing in a new tab) Pre-market · 06:53 ET Summarise
7 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:10 ET Summarise
6 10-Q 10-Q (opens SEC filing in a new tab) After-hours · 16:21 ET Summarise
5 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:16 ET Summarise
4 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:13 ET Summarise
3 10-Q 10-Q (opens SEC filing in a new tab) After-hours · 16:16 ET Summarise
2 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:11 ET Summarise
1 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:16 ET Summarise