908 Devices Inc MASS

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908 Devices Inc. - Common Stock · Company · Nasdaq · Healthcare / Medical Devices

Paper trade (simulated — no real money)

Fill: USD 11.4900 · FX 1 USD = 1.277900 SGD · about SGD 14.6831 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 8.51 → 11.49 · 35.0%
12.8008.9455.090 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
11.3100 11.4900 11.0500 11.4900 232,005
11.5800 11.7800 11.1500 11.3500 256,500
11.8800 11.9750 11.4430 11.8000 570,300
11.3800 11.8600 11.1800 11.5100 369,700
11.4300 11.7050 11.3400 11.4300 309,200
Weekend
Weekend
11.8800 12.1650 11.2450 11.2600 469,200
11.5500 12.1100 11.5200 11.8900 274,600
11.8100 12.1570 11.7750 11.8300 411,600
11.8200 12.1300 11.6450 12.0900 230,400
12.2200 12.2200 11.5340 11.8200 230,900
Weekend
Weekend
11.5900 12.1900 11.5900 12.0500 323,100
11.6600 11.6900 11.1400 11.5500 448,100
12.1000 12.1300 11.7450 11.7800 517,200
12.8500 13.3480 12.2500 12.3300 377,300
12.6900 12.8600 12.2000 12.8000 419,500
Weekend
Weekend
12.6500 12.8500 12.5200 12.6900 411,400
12.3400 12.9300 12.1500 12.5100 595,300
11.8900 12.4700 11.8250 12.3400 414,100
11.5200 11.8600 11.4000 11.8500 452,800
11.2500 11.6900 11.1100 11.6600 287,300
Weekend
Weekend
11.5200 11.7150 11.1300 11.4400 303,900
10.8000 11.5300 10.7800 11.5200 353,200
11.0500 11.2500 10.8450 10.9400 243,100
10.8800 11.1900 10.6800 11.1800 474,800
10.7000 11.0500 10.5200 10.8800 343,000
Weekend
Weekend
10.7900 10.9800 10.2600 10.5300 854,900
10.1500 11.2200 10.1500 10.9800 689,800
10.1200 10.3500 9.7700 9.9200 285,700
9.6700 10.0000 9.6600 9.9700 249,400
9.3800 9.8900 9.3300 9.7300 252,600
Weekend
Weekend
9.4900 9.7300 9.4400 9.5200 279,700
9.7700 9.8700 9.3200 9.3500 309,300
9.6800 9.7000 9.5500 9.6900 235,400
9.9100 10.0000 9.7000 9.8100 241,800
No trading
Weekend
Weekend
10.0200 10.1200 9.8700 10.0500 201,100
10.3900 10.5300 9.7900 10.0400 307,300
10.7000 11.0000 10.3000 10.3300 535,400
10.5600 10.8750 10.5000 10.6500 380,500
10.7300 10.8000 10.4900 10.6700 246,200
Weekend
Weekend
11.0100 11.0500 10.5000 10.7300 557,100
10.4000 11.1000 10.4000 11.1000 502,800
10.9600 11.0200 10.3150 10.3700 461,200
11.0300 11.0500 10.5600 11.0000 444,100
11.0000 11.2490 10.8000 10.9200 723,700
Weekend
Weekend
10.4100 10.6900 10.1500 10.6800 528,300
10.0500 10.7030 9.9100 10.3500 700,100
10.2500 10.4800 9.9700 10.2400 655,800
9.9500 10.1200 9.7300 10.0800 355,900
10.2200 10.4900 10.0200 10.1900 464,800
Weekend
Weekend
10.2600 10.4000 9.9700 10.0100 645,500
10.0500 10.3900 9.9050 10.1100 518,700
10.1500 10.5200 9.3000 10.0200 858,400
9.0700 10.3400 8.7900 10.0100 1,620,100
14 · 10-Q Pre-market · 07:20 ET 10-Q ↗ 13 · 8-K Pre-market · 07:05 ET 8-K ↗
8.8000 9.0800 8.6400 8.8000 350,000
Weekend
Weekend
8.3700 8.8800 8.2990 8.8800 322,900
8.3500 8.4900 8.2500 8.3000 243,100
8.4600 8.6100 8.2600 8.4100 248,900
8.5400 8.8400 8.2600 8.4500 443,200
8.0200 8.5460 7.9500 8.4200 331,800
Weekend
Weekend
7.5600 8.0100 7.5300 8.0100 335,300
7.7600 7.8650 7.5000 7.6400 299,200
7.3300 7.9200 7.2100 7.6000 758,000
7.1300 7.2400 6.9000 7.0300 146,000
7.4200 7.4600 6.9500 7.1300 229,300
Weekend
Weekend
7.1700 7.2300 6.9450 7.1400 348,800
7.0700 7.4000 7.0100 7.1100 253,000
7.3800 7.7000 7.2200 7.2400 231,100
7.1100 7.3600 7.0100 7.3500 313,700
7.3400 7.4100 6.9600 7.0300 261,800
Weekend
Weekend
7.2300 7.4800 7.0400 7.3500 270,400
7.9800 8.0300 7.2150 7.4100 280,200
8.1600 8.3450 8.0100 8.0500 205,400
8.1200 8.2500 7.8850 8.1600 248,300
7.9700 8.0600 7.8100 7.9500 122,100
Weekend
Weekend
8.0900 8.2100 7.9600 8.1000 169,400
7.9000 8.6900 7.8500 8.1300 172,700
12 · 8-K After-hours · 16:30 ET 8-K ↗
8.1700 8.1700 7.6750 7.8800 307,800
8.3100 8.4150 7.9800 8.0700 296,100
8.7100 8.8700 8.4000 8.4200 219,000
Weekend
Weekend
No trading
8.9300 9.1300 8.6450 8.6900 190,200
8.6400 8.9600 8.5600 8.8800 254,100
8.8600 8.9700 8.6600 8.7000 209,200
8.7400 8.9700 8.4830 8.8100 241,900
Weekend
Weekend
8.8000 9.2200 8.7200 8.7800 1,226,800
9.0500 9.2000 8.8700 8.9800 398,800
8.5600 9.2650 8.5600 8.9700 371,700
8.5300 9.0800 8.4800 8.7300 255,400
8.9200 8.9900 8.5600 8.6600 340,700
Weekend
Weekend
No trading
8.7600 8.9200 8.2100 8.8500 1,063,700
8.6200 8.8500 8.4900 8.5800 208,800
8.6300 8.8500 8.5900 8.6400 175,700
8.6200 8.8020 8.4600 8.6200 159,400
Weekend
Weekend
11 · 8-K After-hours · 16:20 ET 8-K ↗
8.2500 8.4300 8.1800 8.2700 172,300
8.3200 8.3900 7.9750 8.2200 179,900
7.9200 8.2300 7.8500 8.0100 160,100
8.1700 8.3650 7.5950 7.9900 215,500
8.1400 8.3700 8.0500 8.1000 139,100
Weekend
Weekend
8.5900 8.6500 7.8500 7.9300 242,200
8.6250 9.0000 8.6100 8.8200 357,400
8.8300 8.8700 8.6100 8.6600 283,900
8.7100 8.9500 8.5500 8.8500 301,700
8.2500 8.6750 7.9550 8.6300 384,600
Weekend
Weekend
9.0000 9.0000 8.3600 8.4100 337,100
8.2100 9.0300 8.1300 8.9300 642,300
8.0100 8.3100 7.9900 8.1600 292,600
7.3500 7.9400 7.3500 7.9200 272,700
No trading
Weekend
Weekend
7.2100 7.4700 7.2100 7.2800 182,300
6.9200 7.1700 6.8600 7.1200 187,300
6.8100 7.1500 6.7950 6.9800 201,900
6.5500 6.8000 6.5100 6.7800 235,100
6.9500 7.1000 6.6300 6.6400 181,100
Weekend
Weekend
7.3900 7.3900 6.8700 6.9000 259,000
7.5300 7.7750 7.2600 7.3000 151,400
7.3800 7.9100 7.3800 7.5400 178,300
7.7600 7.8600 7.6200 7.6500 210,700
8.1200 8.3550 7.8550 7.9300 214,100
Weekend
Weekend
8.0700 8.2000 7.7800 8.1700 416,200
8.0800 8.2200 7.9300 8.0800 543,600
7.5900 8.2000 6.5100 8.0600 630,400
10 · 10-Q Pre-market · 07:45 ET 10-Q ↗ 9 · 8-K Pre-market · 07:35 ET FORM 8-K ↗
6.6200 7.1200 6.5400 7.0900 451,700
6.7700 6.9300 6.5400 6.5500 252,400
Weekend
Weekend
6.8600 7.0300 6.7600 6.8100 213,800
6.5200 6.8700 6.4450 6.8300 194,000
6.7400 6.8200 6.4600 6.5000 403,800
8 · DEFA14A Pre-market · 07:06 ET DEFA14A ↗ 7 · DEF 14A Pre-market · 07:05 ET FORM DEF 14A ↗
6.6700 6.7800 6.6000 6.7400 196,600
6.7300 6.9300 6.6600 6.7400 133,300
Weekend
Weekend
6.8000 7.0600 6.6800 6.7400 127,200
7.1400 7.1400 6.6000 6.7600 209,300
7.3100 7.4750 7.1100 7.1300 226,200
7.1700 7.5390 7.1700 7.2600 286,400
7.0900 7.4700 7.0300 7.3000 264,500
Weekend
Weekend
7.5400 7.5400 7.1600 7.1600 317,500
7.3600 7.4300 7.1100 7.4200 187,800
7.3300 7.4900 7.2400 7.3700 182,900
7.2300 7.7200 7.1800 7.3200 247,400
7.1200 7.2450 7.0200 7.2000 250,900
Weekend
Weekend
7.0000 7.1500 6.8700 7.1400 244,500
6.9700 7.1000 6.8200 6.9600 297,000
7.2100 7.2700 6.9100 7.0300 396,800
6.7500 6.8350 6.5300 6.7600 287,700
6.6300 6.8900 6.5700 6.8500 228,900
Weekend
Weekend
No trading
6.0600 6.6500 6.0500 6.6100 175,800
6.1700 6.3550 6.1700 6.2100 254,900
5.8700 6.1650 5.8700 6.1200 309,700
5.8100 6.0400 5.7000 5.7500 196,700
Weekend
Weekend
5.9600 6.0900 5.7300 5.7800 225,800
6.2300 6.3500 6.1100 6.1400 155,400
6.3900 6.5200 6.2200 6.3200 196,400
6.0400 6.3900 6.0400 6.2700 186,500
6.2500 6.2500 6.0300 6.1100 552,700
Weekend
Weekend
6.0700 6.1500 5.9050 6.1100 441,400
5.8300 6.2200 5.7500 6.0900 281,800
6.1600 6.1700 5.9500 5.9900 282,000
6.1300 6.3100 6.0850 6.2200 229,800
6.1800 6.3500 6.0400 6.0900 214,500
Weekend
Weekend
6.1100 6.1400 5.9400 6.0700 178,300
6.1200 6.2950 5.9900 6.0100 273,700
6.2400 6.3700 6.1400 6.2600 173,900
6.2800 6.4900 5.9730 6.2600 270,500
6.0700 6.4200 5.9000 6.3650 302,800
6 · S-3 Pre-market · 06:54 ET S-3 ↗ 5 · 10-K Pre-market · 06:12 ET 10-K ↗
Weekend
Weekend
6.6100 6.6400 6.0000 6.2600 369,300
6.6400 6.9300 6.5600 6.7500 325,100
6.3200 6.9650 6.3200 6.7400 408,500
7.7500 7.9000 6.0750 6.3200 657,200
4 · 8-K Pre-market · 07:15 ET 8-K ↗
6.7200 7.0000 6.4800 6.6100 387,600
Weekend
Weekend
6.8400 6.9800 6.7950 6.9000 181,500
6.8100 6.9900 6.7500 6.9600 133,200
6.8600 6.9250 6.7200 6.8200 131,000
6.3900 6.9200 6.3900 6.7900 191,900
6.7000 6.7450 6.3600 6.4900 371,900
Weekend
Weekend
6.9100 7.0500 6.5600 6.6700 328,000
7.0100 7.0200 6.8200 6.9900 143,300
6.7500 7.1600 6.6900 6.8800 230,600
6.3100 6.8000 6.3100 6.7600 184,600
No trading
Weekend
Weekend
6.4200 6.6900 6.4000 6.4900 171,900
6.6400 6.6940 6.2300 6.4100 274,900
6.8400 6.8400 6.3300 6.6000 267,700
6.8700 6.9500 6.6900 6.7700 202,600
6.5400 6.9400 6.4200 6.8900 241,800
Weekend
Weekend
6.3500 6.6400 6.2800 6.5500 404,400
6.3200 6.4250 6.1100 6.2000 505,300
6.4100 6.6100 6.1900 6.3300 358,500
6.2500 6.4400 6.1700 6.4400 403,400
6.2700 6.4450 6.0600 6.1900 554,400
Weekend
Weekend
6.2700 6.5050 6.2100 6.3100 276,400
6.5600 6.6200 6.2300 6.3500 313,800
6.8400 6.8450 6.5100 6.5600 351,400
6.6400 6.8950 6.5100 6.8300 284,100
6.8200 6.8200 6.4650 6.6400 318,300
Weekend
Weekend
7.0500 7.4700 6.7700 6.8400 592,300
6.7700 7.0400 6.6500 7.0000 554,300
6.5300 6.9400 6.3500 6.7300 669,600
6.5400 6.8900 6.1920 6.5200 848,300
3 · 8-K Pre-market · 07:15 ET 8-K ↗
No trading
Weekend
Weekend
5.5300 5.7150 5.4400 5.4700 225,800
5.4500 5.6500 5.4300 5.5200 299,100
5.3700 5.5100 5.3500 5.4400 210,900
5.5300 5.5500 5.3500 5.3700 263,500
5.3900 5.6100 5.3600 5.4800 222,400
Weekend
Weekend
5.4500 5.5680 5.3750 5.4000 264,700
5.3000 5.4700 5.3000 5.4200 196,500
5.4200 5.4900 5.3100 5.4500 250,900
5.4600 5.4600 5.2000 5.4000 491,700
5.1200 5.5950 5.1200 5.4800 359,100
Weekend
Weekend
5.2700 5.2700 5.0250 5.0900 296,600
No trading
5.2100 5.3500 5.1600 5.2500 285,600
5.3200 5.3600 5.1750 5.2100 436,500
5.3400 5.5000 5.2400 5.3300 306,500
Weekend
Weekend
5.4300 5.4600 5.2600 5.4100 411,700
No trading
5.4200 5.4500 5.2550 5.4500 361,100
5.8900 5.9000 5.3000 5.4100 692,000
5.9000 6.0900 5.8500 5.9300 481,000
Weekend
Weekend
5.4400 5.8400 5.4400 5.8400 2,817,800
5.7400 5.8400 5.3000 5.4300 930,800
5.7800 6.0200 5.6400 5.6600 476,600
5.8700 6.0000 5.6700 5.7800 501,600
6.0300 6.0400 5.7300 5.9100 598,500
Weekend
Weekend
6.4000 6.4000 5.9300 5.9800 450,100
6.5700 6.5800 6.3790 6.4000 199,700
6.5400 6.7000 6.2600 6.5800 332,100
6.6500 6.8100 6.4800 6.5600 337,300
6.6300 6.8250 6.4200 6.6800 319,700
Weekend
Weekend
6.6700 6.6800 6.3400 6.5700 379,100
6.2100 6.6500 6.0100 6.6500 340,400
6.1000 6.3300 5.9400 6.2200 366,300
6.1600 6.1600 5.9100 6.0900 250,900
6.1600 6.1900 5.8800 6.1400 340,700
Weekend
Weekend
6.4200 6.4350 6.1550 6.3500 355,200
No trading
6.4500 6.5800 6.1300 6.4100 381,500
6.1800 6.6400 6.1800 6.4600 530,000
5.9300 6.3800 5.9300 6.1800 424,900
Weekend
Weekend
5.6800 5.9400 5.5300 5.9100 746,500
5.7400 5.9700 5.5500 5.7000 552,600
5.3500 5.6700 5.2600 5.6000 454,700
5.3100 5.4200 5.2600 5.3500 265,200
5.4400 5.5600 5.3400 5.3800 265,100
Weekend
Weekend
5.7000 5.8150 5.4800 5.4800 297,300
5.8300 6.0000 5.7700 5.8100 487,200
6.2980 6.2980 5.8650 5.9000 506,900
6.2500 6.2500 5.8400 5.8950 585,600
6.1000 6.9400 6.0000 6.3950 519,800
2 · 10-Q Pre-market · 09:01 ET 10-Q ↗ 1 · 8-K Pre-market · 07:15 ET FORM 8-K ↗
Weekend
Weekend
7.6900 7.9400 7.3300 7.3800 518,500
8.0200 8.0200 7.6100 7.8000 375,100
7.7400 8.1500 7.5300 8.1000 343,000
7.6700 7.9200 7.5850 7.7500 327,700
7.9700 8.1200 7.7150 7.9300 369,400
Weekend
Weekend
7.6400 8.1830 7.5900 7.9800 166,000
7.7300 7.8350 7.4300 7.6300 321,600
8.0300 8.1600 7.5800 7.6900 217,700
8.3700 9.2000 7.8750 7.9900 394,900
8.5100 8.6500 8.1500 8.3300 183,600
Weekend
Weekend
8.5300 8.7600 8.4400 8.5100 171,200

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 10-Q 10-Q (opens SEC filing in a new tab) Pre-market · 07:20 ET Summarise
13 8-K 8-K (opens SEC filing in a new tab) Pre-market · 07:05 ET Summarise
12 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:30 ET Summarise
11 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:20 ET Summarise
10 10-Q 10-Q (opens SEC filing in a new tab) Pre-market · 07:45 ET Summarise
9 8-K FORM 8-K (opens SEC filing in a new tab) Pre-market · 07:35 ET Summarise
8 DEFA14A DEFA14A (opens SEC filing in a new tab) Pre-market · 07:06 ET Summarise
7 DEF 14A FORM DEF 14A (opens SEC filing in a new tab) Pre-market · 07:05 ET Summarise
6 S-3 S-3 (opens SEC filing in a new tab) Pre-market · 06:54 ET Summarise
5 10-K 10-K (opens SEC filing in a new tab) Pre-market · 06:12 ET Summarise
4 8-K 8-K (opens SEC filing in a new tab) Pre-market · 07:15 ET Summarise
3 8-K 8-K (opens SEC filing in a new tab) Pre-market · 07:15 ET Summarise
2 10-Q 10-Q (opens SEC filing in a new tab) Pre-market · 09:01 ET Summarise
1 8-K FORM 8-K (opens SEC filing in a new tab) Pre-market · 07:15 ET Summarise