Arm Holdings plc ARM

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Arm Holdings plc - American Depositary Shares · Company · Nasdaq · Technology / Semiconductors

Paper trade (simulated — no real money)

Fill: USD 210.3300 · FX 1 USD = 1.277900 SGD · about SGD 268.7807 per unit

Sign in to practise with simulated trades before investing real money. USD fills are converted into the SGD portfolio at the displayed rate.

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

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

USD 170.68 → 210.33 · 23.2%
439.460272.005104.550 1,2 3,4 5,6 7 8 9 10,11 12 13 14 Oct 25Jan 26Apr 26Jul 26Oct 26

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

Price & SEC Filing History 24 Oct 2025 — 25 Oct 2026 (Last year)

Daily Nasdaq 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.

Weekend
Weekend
209.9250 215.0500 208.5000 210.3300 2,426,422
217.1300 217.9740 208.3000 210.1000 5,747,500
225.0150 228.9500 219.5000 226.5900 3,282,100
224.6600 227.1900 217.2600 221.0600 5,230,300
236.5900 236.5900 227.1600 228.0500 4,114,300
Weekend
Weekend
239.1000 239.4200 226.6500 227.8000 4,789,700
228.8700 245.8700 226.5400 244.7900 6,594,200
248.0000 250.2000 237.5200 238.0100 6,641,700
245.3200 260.1500 243.6010 255.3900 6,783,500
260.3000 263.2400 253.3400 255.2400 3,596,900
Weekend
Weekend
280.0000 281.5000 265.6000 266.2800 4,272,000
286.7300 286.7300 270.2600 275.2900 6,197,400
291.1100 300.6000 290.5000 294.3700 3,424,600
307.5900 308.5000 301.0700 302.5600 3,390,900
308.0300 311.0000 299.8000 302.9000 2,905,100
Weekend
Weekend
306.7750 318.3620 303.1200 307.4900 5,902,400
294.1800 297.1400 287.5000 292.3400 3,279,000
294.0000 295.9900 283.5000 289.6600 4,166,000
291.0050 301.0000 287.0600 293.6700 6,024,200
305.8300 307.1700 279.2000 283.3300 9,104,000
Weekend
Weekend
318.5000 325.4800 310.0800 310.3200 6,994,400
319.2300 326.0000 303.6500 306.3400 9,559,500
331.7800 336.9800 324.5600 332.5600 6,982,300
319.4100 334.6600 318.6850 333.2000 7,409,800
294.3600 324.1600 293.0800 322.9000 13,009,900
Weekend
Weekend
14 · 6-K After-hours · 16:04 ET 6-K ↗
269.2700 275.7800 261.6550 275.6100 6,963,100
262.0000 267.0000 256.0000 264.9000 6,113,700
246.8700 252.7950 240.4500 243.9800 2,759,400
241.6250 253.1550 240.6800 241.8300 3,764,300
242.3800 249.2500 238.0320 239.0100 6,490,500
Weekend
Weekend
257.7000 267.7700 253.0600 264.7900 4,265,800
13 · 6-K After-hours · 16:09 ET 6-K ↗
253.0000 257.9200 251.2900 254.1800 3,724,000
262.2750 274.8000 261.4900 264.2300 3,320,200
261.5000 267.9700 254.6400 261.5300 5,102,400
No trading
Weekend
Weekend
248.5900 255.6900 247.5100 252.0900 4,126,100
231.0900 244.0700 225.4600 242.5900 3,988,700
233.3750 236.4400 229.3900 234.8600 2,428,200
233.9200 235.9800 229.3000 234.8200 2,955,000
238.8050 243.7000 238.0950 241.9100 2,149,400
Weekend
Weekend
251.1000 251.6900 238.6600 239.0500 3,874,900
255.4600 267.6900 249.4650 255.2100 4,880,000
240.2900 253.0000 238.5000 251.0600 4,092,200
244.8100 247.9900 240.3400 241.5600 3,485,400
236.3400 240.2500 233.2900 238.7800 3,305,700
Weekend
Weekend
253.4600 255.9300 242.5000 243.3200 3,687,200
246.4000 251.2300 242.2800 250.7200 2,812,400
257.0000 268.0000 241.5000 249.3400 4,330,500
257.0000 258.5000 247.6000 253.3200 6,370,300
285.0000 287.1500 271.2800 271.4300 3,713,800
Weekend
Weekend
278.2300 281.6700 274.4550 279.4400 2,102,000
266.9900 290.2100 266.2410 278.6500 4,798,400
279.9600 280.1600 266.5920 271.8700 3,368,900
273.1000 273.3900 265.3700 268.9300 3,176,900
12 · 6-K After-hours · 16:01 ET 6-K ↗
281.2600 282.8000 267.3100 267.8500 3,182,800
Weekend
Weekend
298.9650 299.2850 275.0000 282.5700 3,831,200
267.0300 295.5700 266.8800 286.6800 4,375,100
274.5600 281.5900 268.6200 274.5800 4,439,300
253.4000 283.2690 251.1000 280.5600 9,892,200
230.0100 241.9000 219.3900 239.0600 6,049,200
Weekend
Weekend
258.9500 261.9050 239.2600 239.6900 7,229,200
258.0000 268.4800 232.6700 241.5400 12,805,900
11 · 6-K After-hours · 16:05 ET 6-K ↗ 10 · 6-K After-hours · 16:02 ET 6-K ↗
241.5000 243.2450 222.5600 224.8900 9,419,100
252.9900 253.6100 240.3800 244.7400 5,852,000
263.4800 268.2000 251.6100 266.3300 5,047,200
Weekend
Weekend
282.7700 288.9900 258.4300 260.0100 4,884,800
275.4700 284.0000 274.7700 283.0400 3,603,200
280.4800 288.4400 279.5010 283.4000 2,601,700
285.4700 294.0000 274.5000 289.7300 5,135,800
272.0000 277.4000 268.0600 269.6100 3,374,000
Weekend
Weekend
249.8650 272.8800 243.1200 267.1900 8,239,000
268.5400 268.6600 252.6100 262.0100 9,788,000
281.0900 288.5000 265.2000 277.0100 5,708,900
310.0350 310.5000 276.2600 281.1700 8,484,300
311.4300 311.4300 293.5000 298.9900 5,301,100
Weekend
Weekend
322.7000 328.2810 317.8800 323.3900 2,770,900
318.3150 339.4400 311.1500 327.8700 7,096,500
297.5350 311.3650 290.4500 300.2400 6,128,700
305.9300 314.9000 293.9900 300.4300 7,269,600
324.2700 338.2440 321.5000 322.2400 5,276,900
Weekend
Weekend
No trading
337.2400 358.4900 309.7400 315.2800 7,553,900
341.2450 346.6700 332.0000 337.4700 5,064,700
349.7700 361.9500 342.0720 354.5700 6,267,900
336.2500 346.1500 303.6700 343.5800 8,388,000
Weekend
Weekend
335.0700 339.9000 326.8000 334.2700 7,718,200
379.7650 379.9700 339.5200 347.7100 8,379,900
373.3300 374.5600 344.1200 359.0800 8,663,900
370.0000 389.8000 362.9000 366.3900 11,079,200
440.0300 444.9500 401.9500 407.7200 9,416,900
Weekend
Weekend
No trading
440.2450 452.7000 423.6200 439.4600 34,221,900
411.9800 444.8000 400.1400 418.8800 11,692,500
401.0000 428.6000 395.8800 396.3400 12,402,000
390.5000 416.1740 369.2500 412.5500 14,035,500
Weekend
Weekend
353.1200 385.8000 350.0400 380.8100 16,494,100
314.4200 344.6800 310.1830 342.2300 8,844,700
314.4700 332.1000 304.1100 307.4300 8,044,600
362.2550 362.5750 298.3800 324.8600 13,397,500
354.0000 364.3500 339.0060 346.3900 9,055,900
Weekend
Weekend
369.7500 373.7400 337.5510 342.9300 14,885,100
380.4100 397.4500 367.5200 393.4400 10,915,900
407.5350 417.5000 373.8900 411.8300 11,938,800
401.1300 427.9900 387.9030 402.7100 15,453,400
389.9500 421.6900 381.2500 408.8500 20,741,500
Weekend
Weekend
339.2500 356.4500 337.0000 353.2900 10,448,300
309.9800 349.4200 308.6180 335.2700 14,386,100
320.5350 323.7700 300.8800 302.7100 9,356,300
9 · 20-F After-hours · 16:35 ET 20-F ↗
315.7100 325.0000 300.0000 321.2200 10,899,800
No trading
Weekend
Weekend
290.0750 315.0000 288.2100 306.5100 13,961,800
266.8950 298.7000 266.0000 298.2300 21,796,600
226.5400 259.4400 226.0850 256.7300 18,297,600
209.7500 226.9500 206.3800 223.1500 11,226,400
209.8100 215.5000 203.0050 215.1200 8,614,500
Weekend
Weekend
214.7900 216.7000 208.5000 209.1600 10,191,200
217.8400 228.6800 213.2300 228.5000 8,456,900
212.0000 222.4700 207.8700 221.2100 8,700,000
204.7700 216.4980 200.8900 207.9200 7,839,600
206.5350 215.5000 206.0780 212.6500 10,549,500
Weekend
Weekend
216.9600 222.0000 211.0000 213.2700 11,610,300
222.3950 232.2300 210.2300 213.3100 22,382,800
8 · 6-K After-hours · 16:02 ET 6-K ↗
232.0000 239.5000 220.1000 237.3000 26,272,900
210.0950 214.3900 204.3250 208.8400 7,968,900
212.5000 215.4500 198.3500 203.2600 6,725,200
Weekend
Weekend
208.1500 216.3530 207.1600 211.1800 4,970,300
204.0000 215.2000 200.0400 210.3200 7,730,800
202.6000 203.5000 193.9100 201.6900 6,215,500
197.3200 204.6690 195.0000 198.6500 13,367,900
224.4900 227.3000 210.0000 215.8800 13,922,800
Weekend
Weekend
221.9600 237.6800 218.3750 234.8100 20,481,700
194.4200 210.8000 192.1800 204.6100 16,854,100
180.0000 196.6600 178.4750 196.5700 13,932,300
175.3700 179.4000 173.3000 175.4900 6,479,900
7 · 6-K Pre-market · 09:01 ET 6-K ↗
167.4150 175.3150 164.1000 175.1000 8,564,000
Weekend
Weekend
167.3400 168.3500 162.7280 166.7300 5,092,600
159.9900 166.0900 156.8500 162.3300 5,748,000
161.2200 161.7400 156.2100 159.3400 3,650,300
161.0300 163.5000 157.6000 161.2200 6,294,200
147.7800 157.7700 147.5000 157.5800 4,900,100
Weekend
Weekend
152.4100 159.2900 147.9600 148.9300 7,431,600
148.2300 150.4000 145.2700 149.7950 5,325,700
152.1600 153.4200 145.0000 148.9100 6,480,300
143.8150 145.5000 137.5800 143.8600 7,071,000
152.1800 153.6800 146.1000 148.7700 4,137,600
Weekend
Weekend
No trading
149.7700 152.0700 145.8200 149.1100 8,183,200
154.3900 158.3700 152.3000 155.0700 8,306,300
139.9000 151.5900 139.9000 151.2800 10,203,700
144.1000 145.7500 136.0000 136.9600 8,033,600
Weekend
Weekend
151.5300 152.7500 142.2100 144.1300 10,269,000
157.3500 163.5300 154.3500 154.8000 15,671,600
148.2550 166.6900 148.2500 157.0700 29,579,900
6 · 6-K After-hours · 17:11 ET 6-K ↗ 5 · 6-K After market open · 12:52 ET 6-K ↗
136.0000 140.5800 133.0100 134.9600 10,924,900
133.4300 138.8450 133.1200 136.8900 7,959,800
Weekend
Weekend
136.9000 139.9500 131.4230 132.3500 12,450,800
125.0000 130.7250 124.5000 129.8200 3,497,600
127.8100 130.8800 127.2050 128.3600 4,206,900
125.1700 128.8000 124.8000 127.3100 5,890,700
119.5000 123.4390 118.3750 121.7000 4,407,300
Weekend
Weekend
115.8000 118.0600 115.0500 115.7500 2,462,500
118.2250 119.2500 114.4550 115.1200 3,451,000
120.8300 123.2000 119.3300 120.1000 2,447,700
117.0000 123.6050 116.9900 120.5500 3,659,800
112.5500 118.1400 111.2600 117.6300 3,990,700
Weekend
Weekend
118.1250 119.2700 113.5100 114.3800 4,331,100
122.8500 124.3500 118.7700 120.6200 3,437,800
122.7000 127.4000 121.7400 124.1100 2,984,500
119.2750 122.1500 116.3900 121.7200 5,303,800
123.3200 125.8400 121.6400 124.3700 3,832,000
Weekend
Weekend
126.1450 128.8900 126.0100 127.4500 3,112,500
131.9400 134.2500 126.6600 129.2600 4,136,000
128.3500 133.2800 128.3500 131.7400 4,322,700
124.6000 131.3900 124.0000 128.1400 4,273,000
123.7050 126.7100 121.9100 123.7800 3,393,800
Weekend
Weekend
125.2150 130.0000 124.9600 125.5800 4,056,000
125.8600 126.9900 122.6500 126.9300 3,108,800
128.6000 130.4000 126.0000 127.2400 4,275,600
124.5000 127.0000 120.5800 126.8900 4,268,900
No trading
Weekend
Weekend
120.1200 127.4200 119.7000 125.2800 4,417,600
125.2800 128.2400 120.8200 122.1900 5,982,000
127.5100 129.5400 125.1600 125.2800 4,145,200
124.3700 130.9000 124.2500 125.9500 8,913,500
120.2500 125.2450 118.2500 124.6100 6,817,400
Weekend
Weekend
112.7150 124.3100 112.5300 123.7000 15,789,000
104.4800 115.1000 100.0200 110.8800 24,625,000
4 · 6-K After-hours · 16:06 ET 6-K ↗ 3 · 6-K After-hours · 16:02 ET 6-K ↗
105.0000 108.1850 103.0000 104.9000 12,213,700
108.0000 109.3600 101.5700 104.5500 7,058,000
104.5800 108.1200 104.0100 106.9300 5,001,100
Weekend
Weekend
107.0900 108.0000 105.0300 105.3600 4,950,700
110.0600 110.4000 104.1100 108.4300 6,154,700
115.0000 115.7800 109.0600 109.9600 7,947,400
116.1550 117.3900 114.2350 114.8800 4,500,600
116.3500 116.4400 114.0600 114.7300 3,716,600
Weekend
Weekend
120.8800 121.8500 114.5800 116.0700 6,814,500
120.7050 123.5000 118.6500 119.2000 14,162,100
111.0750 117.2800 111.0750 113.9200 13,666,000
104.8600 110.7400 104.4100 107.1700 7,318,200
No trading
Weekend
Weekend
106.6600 107.9600 105.1900 105.7800 5,291,100
108.1300 108.8850 104.9500 105.1100 5,775,800
106.3700 106.4900 102.0100 104.9900 7,570,100
108.8700 111.7500 105.9000 107.8400 7,749,400
110.9400 111.6100 109.2500 111.1400 4,443,100
Weekend
Weekend
113.9100 113.9800 109.5200 111.7900 5,292,900
115.8200 116.2800 110.5530 113.0800 4,701,000
114.9300 117.2000 113.9700 115.6800 5,117,600
117.5200 117.9700 114.9900 115.5300 3,290,100
120.3600 122.5000 116.0300 116.1100 6,859,500
Weekend
Weekend
112.8300 116.2900 112.8300 114.7300 6,711,800
No trading
110.6650 111.6000 109.2900 109.3100 3,455,600
111.1300 112.0000 110.3900 110.8600 3,616,900
108.7300 111.2900 108.3800 110.5100 3,347,700
Weekend
Weekend
111.4650 111.6000 110.1000 110.2700 3,054,300
No trading
112.0900 112.3200 110.5800 111.5500 2,160,500
112.7200 112.9000 110.2900 112.0200 7,045,300
117.1700 117.2100 112.6700 113.2900 7,754,300
Weekend
Weekend
114.2150 115.2100 113.4200 114.0300 7,854,500
117.1300 118.0650 113.4300 113.5100 5,194,900
121.5750 121.6350 112.6300 114.5800 8,686,600
123.5000 124.0000 117.8300 121.1000 6,198,800
126.3800 128.7400 123.1450 124.3700 6,924,800
Weekend
Weekend
135.3100 137.0000 130.4110 130.8900 3,965,900
137.9900 138.2600 133.0920 136.1400 4,227,500
141.7400 142.8000 140.0000 141.5200 1,765,800
139.5700 142.2200 138.3600 141.9300 2,303,400
143.0000 143.4140 138.3100 139.7800 2,168,100
Weekend
Weekend
143.2100 144.2500 140.4900 141.3100 2,445,200
139.6950 141.4000 138.2180 140.4900 2,390,200
137.3600 139.5600 135.8080 139.1900 2,152,000
136.0300 139.3500 135.7400 136.4800 2,184,900
133.4300 136.5800 133.0000 135.0100 2,365,000
Weekend
Weekend
133.7900 135.6600 132.7000 135.5600 1,559,100
No trading
133.5000 134.6500 132.3600 132.6100 2,806,700
132.0000 132.5000 126.9200 131.4400 4,858,100
132.8250 136.0150 132.5500 134.7100 3,417,600
Weekend
Weekend
132.5300 133.2700 125.1700 131.5700 6,166,800
142.2800 143.3200 131.8500 132.5300 4,609,700
137.6000 138.5600 134.9200 136.9900 3,499,400
138.1850 139.5400 133.2400 136.0400 3,993,000
139.5700 143.8000 138.1900 140.2600 2,977,500
Weekend
Weekend
136.9100 143.7450 135.1000 139.7700 3,717,900
146.9950 147.6350 138.3800 140.3100 6,496,000
151.0700 152.4800 146.8470 148.7500 2,602,100
153.0000 153.0000 146.7020 149.7400 4,075,300
158.4800 159.3150 154.5500 154.8400 3,274,200
Weekend
Weekend
154.7400 155.2300 146.2900 152.3800 5,794,600
167.0000 167.4800 155.1800 158.2500 7,123,700
2 · 6-K After-hours · 16:06 ET 6-K ↗ 1 · 6-K After-hours · 16:02 ET 6-K ↗
158.7400 164.3300 156.3300 160.1900 6,941,800
162.0000 166.1400 160.4000 160.7300 3,936,600
171.3000 173.5400 168.3600 168.6800 2,230,100
Weekend
Weekend
168.5000 171.8800 166.9350 169.8200 3,704,400
168.6200 168.9990 165.3000 165.4500 2,856,000
175.2700 177.2500 169.3700 170.3900 3,098,300
178.0100 179.1200 172.9300 173.0900 3,335,500
174.4850 183.1600 174.2700 178.6200 6,552,400
Weekend
Weekend
170.1900 174.4500 169.6600 170.6800 3,665,200

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.

14 6-K 6-K (opens SEC filing in a new tab) After-hours · 16:04 ET Summarise
13 6-K 6-K (opens SEC filing in a new tab) After-hours · 16:09 ET Summarise
12 6-K 6-K (opens SEC filing in a new tab) After-hours · 16:01 ET Summarise
11 6-K 6-K (opens SEC filing in a new tab) After-hours · 16:05 ET Summarise
10 6-K 6-K (opens SEC filing in a new tab) After-hours · 16:02 ET Summarise
9 20-F 20-F (opens SEC filing in a new tab) After-hours · 16:35 ET Summarise
8 6-K 6-K (opens SEC filing in a new tab) After-hours · 16:02 ET Summarise
7 6-K 6-K (opens SEC filing in a new tab) Pre-market · 09:01 ET Summarise
6 6-K 6-K (opens SEC filing in a new tab) After-hours · 17:11 ET Summarise
5 6-K 6-K (opens SEC filing in a new tab) After market open · 12:52 ET Summarise
4 6-K 6-K (opens SEC filing in a new tab) After-hours · 16:06 ET Summarise
3 6-K 6-K (opens SEC filing in a new tab) After-hours · 16:02 ET Summarise
2 6-K 6-K (opens SEC filing in a new tab) After-hours · 16:06 ET Summarise
1 6-K 6-K (opens SEC filing in a new tab) After-hours · 16:02 ET Summarise