NAPCO Security Technologies, Inc NSSC

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NAPCO Security Technologies, Inc. - Common Stock · Company · Nasdaq

Paper trade (simulated — no real money)

Fill: USD 35.7400 · FX 1 USD = 1.289800 SGD · about SGD 46.0975 per unit

Sign in to place simulated trades. 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 31.03 → 35.74 · 15.2%
47.23038.40029.570 1,2 3,4 5,6 7 8,9 10 11 12 Jul 25Oct 25Jan 26Apr 26Jul 26

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

Price & SEC Filing History 26 Jul 2025 — 27 Jul 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.

No data yet
Weekend
Weekend
36.0300 36.2500 35.5300 35.7400 205,900
34.9600 35.8000 34.9500 35.6600 263,400
35.9600 36.4800 35.3500 35.5700 309,600
36.2400 36.5400 35.4400 36.1800 227,100
36.2100 36.5600 35.9200 36.0500 232,200
Weekend
Weekend
36.1500 36.8800 36.0900 36.1200 252,700
35.3300 36.7300 35.3300 36.6700 274,700
35.8700 36.3100 35.4900 35.5600 290,200
36.1200 36.1200 35.5400 35.9000 241,900
35.9300 36.3000 35.6200 35.7400 282,100
Weekend
Weekend
36.2800 36.3800 35.5600 36.0700 487,000
37.2000 37.6100 34.2000 36.0900 673,500
12 · 8-K After-hours · 16:21 ET 8-K ↗
38.0200 38.5600 37.6600 38.0800 384,500
38.8100 38.8700 37.9400 38.4000 275,600
37.9700 39.2400 37.8000 39.1800 226,300
Weekend
Weekend
No trading
38.1100 38.4100 37.2200 37.7900 233,100
37.9800 38.6600 37.6900 37.8600 281,700
37.4200 38.1800 37.2700 37.9800 262,500
37.0700 37.4500 36.6700 37.2900 331,200
Weekend
Weekend
37.0000 37.6700 36.7300 37.2900 905,800
38.0300 38.3800 37.3400 37.4200 541,500
37.2900 38.3800 37.2100 37.4200 491,200
37.2200 38.3100 37.0500 37.4900 560,200
36.9300 37.6100 36.3200 37.5000 590,700
Weekend
Weekend
No trading
36.8500 38.0200 36.5500 37.3900 1,529,000
37.5200 37.9900 36.0400 36.0600 397,700
37.8200 38.4300 37.2600 37.4900 562,300
37.8800 38.2300 37.4600 37.5700 1,025,900
Weekend
Weekend
36.4300 37.6200 36.0800 37.2200 401,700
35.4600 36.5600 35.1600 36.4300 459,900
35.0500 35.6100 34.7200 35.2300 313,200
35.0800 36.0200 34.3200 35.1400 320,500
35.4800 35.4800 34.7200 35.0100 373,200
Weekend
Weekend
35.5400 35.7000 34.9000 34.9600 268,400
36.1100 36.4200 35.7200 35.7700 270,400
36.0100 36.3300 35.7200 35.9900 378,100
35.2700 36.4200 35.2700 36.2000 387,600
36.9200 37.4600 34.7600 35.2700 582,600
Weekend
Weekend
36.8200 37.5500 36.5000 37.5300 699,500
36.0400 36.9000 35.2500 36.7700 345,500
37.1800 37.3200 36.0600 36.1600 341,500
37.5200 38.0700 37.0000 37.0900 388,400
No trading
Weekend
Weekend
36.9600 37.5100 36.8300 37.4100 225,000
36.5800 37.2900 36.1200 36.6900 535,300
36.0900 37.0600 35.6600 36.7200 585,000
36.0500 36.2900 35.2200 35.8200 286,200
36.9200 36.9200 35.7300 36.0800 565,400
Weekend
Weekend
37.0000 37.4200 35.9100 36.2200 447,600
38.3900 39.2200 37.4700 37.5200 345,400
38.3400 38.8200 37.2500 37.8900 511,000
39.9300 39.9300 38.1700 38.2900 332,800
40.7700 41.1200 39.9600 40.2100 365,900
Weekend
Weekend
42.0600 42.0600 40.5200 40.8200 344,000
41.6000 42.6100 41.0500 41.5800 584,300
42.4900 42.5900 40.8100 41.2400 348,900
11 · 10-Q After market open · 10:56 ET 10-Q ↗
39.6100 42.2000 39.5900 41.8200 686,500
10 · 8-K After market open · 13:54 ET 8-K ↗
46.1400 46.5200 39.1600 39.6100 1,045,100
Weekend
Weekend
46.8500 47.2000 46.0000 46.7200 291,300
45.4500 46.7800 45.0500 46.7500 233,200
45.6200 45.6700 44.7600 45.1800 278,800
45.9300 46.1600 44.7600 45.6500 305,800
45.9100 46.3500 45.4300 46.0900 289,300
Weekend
Weekend
45.1200 45.9500 44.6800 45.9100 218,800
45.6200 45.8100 44.5900 44.8800 270,000
45.8000 46.1000 44.8800 45.2900 217,900
45.8900 46.4500 45.4800 45.6700 308,800
45.3800 46.2700 45.3600 45.9100 275,300
Weekend
Weekend
45.5200 46.0500 44.7500 45.3800 300,200
44.2100 44.7400 43.8300 44.6900 245,900
43.9000 44.3100 43.3500 44.2100 221,000
44.5900 45.0900 43.4900 44.1700 345,600
42.5000 44.0300 42.4100 44.0000 324,100
Weekend
Weekend
42.2400 42.8600 41.8100 42.7500 312,700
42.4000 42.7100 41.9600 42.0800 334,100
43.4700 43.9700 42.5300 42.5900 577,900
40.0000 41.6100 40.0000 41.5100 404,100
39.7500 40.3200 39.2800 40.2400 265,100
Weekend
Weekend
No trading
38.2500 39.9200 38.2500 39.8700 276,200
39.7200 40.2200 39.4100 39.4500 353,100
38.4500 39.6100 38.2300 39.3900 290,700
38.8400 38.8400 37.5100 37.9000 411,100
Weekend
Weekend
38.5100 39.1200 38.0100 38.3100 439,500
40.7400 41.0300 38.5200 38.9200 485,500
43.3800 43.3800 41.1700 41.5000 516,700
42.1300 43.4100 41.9600 42.7400 669,000
41.8400 43.0400 41.3500 42.6700 471,000
Weekend
Weekend
42.3800 42.3800 40.4900 40.6500 1,048,900
42.0100 42.5700 40.5600 42.3200 716,900
43.3800 43.4600 42.0500 42.5600 879,600
42.8400 43.6000 42.4800 43.5900 549,800
43.1400 43.9200 42.6500 42.8400 871,500
Weekend
Weekend
42.2000 42.7500 42.0700 42.5700 1,062,800
41.5600 42.4100 40.9700 42.1500 6,767,600
43.3600 43.5200 42.2600 42.5500 814,300
42.8500 44.5100 42.7600 43.4000 651,900
42.0600 43.2600 40.9700 43.0500 1,199,500
Weekend
Weekend
41.9500 42.1400 40.9400 41.1600 449,300
42.7900 44.2100 42.2100 42.5900 1,069,200
43.5400 43.9400 42.7600 43.5700 370,700
43.5100 43.6300 42.2100 43.2300 433,300
45.6500 45.7600 44.4000 44.6700 652,500
Weekend
Weekend
46.1800 46.6700 45.5500 46.6100 1,048,400
47.2900 47.3000 46.1900 46.6500 270,900
46.4600 47.2600 45.5000 47.2300 358,500
46.1700 47.1600 45.5200 45.9700 418,600
45.5500 45.9200 44.4800 45.8700 445,500
Weekend
Weekend
44.8100 46.0800 44.6200 45.8600 534,300
43.2700 45.0300 42.7200 44.9800 729,600
44.1500 44.5700 43.3200 43.4900 456,000
44.2800 44.7700 42.9800 44.1300 672,500
No trading
Weekend
Weekend
42.7300 45.4300 42.3900 44.1500 1,013,600
43.6900 44.5000 41.3100 42.5900 1,015,100
42.6100 43.1600 42.0100 43.0000 374,600
43.2900 43.2900 42.0500 42.6300 416,200
43.3300 44.2700 43.0000 43.0200 388,600
Weekend
Weekend
43.6100 44.0400 42.5400 43.6500 575,200
43.5000 43.5500 41.7100 43.4700 1,067,000
44.0000 45.0800 42.9600 43.7300 558,600
41.6000 43.9300 41.5200 43.7400 824,000
9 · 10-Q After market open · 13:57 ET 10-Q ↗ 8 · 8-K After market open · 13:54 ET 8-K ↗
39.2000 41.6200 37.6800 41.0200 770,200
Weekend
Weekend
38.1600 39.0900 36.5600 36.8900 731,900
38.4000 38.9000 37.9400 38.3000 313,300
38.4900 38.9600 37.9700 38.5100 412,800
38.7300 39.1100 38.3200 38.4800 231,500
38.5400 39.3400 38.3700 38.8400 370,300
Weekend
Weekend
39.4700 39.4700 38.3000 38.5300 214,500
38.6200 40.3900 38.5500 39.6700 334,100
38.4100 38.9900 37.8800 38.1500 637,700
37.7100 38.7700 37.6600 38.0500 430,400
No trading
Weekend
Weekend
39.8600 39.8900 38.4800 38.6000 518,100
39.6100 40.0300 39.2300 39.5200 275,000
39.7000 40.6200 39.2000 39.4900 449,000
42.6800 43.1900 39.4300 39.4900 473,700
42.0200 42.5100 41.8300 42.4200 133,400
Weekend
Weekend
42.3000 42.6900 41.9500 42.1500 162,100
41.1000 42.3400 40.9200 42.2500 294,000
41.9900 41.9900 40.9000 41.1000 227,000
41.0800 42.2100 40.5700 42.1800 275,600
41.6400 42.1300 41.0000 41.3000 334,900
Weekend
Weekend
41.7700 42.4100 41.1000 41.3800 137,000
No trading
42.0300 42.4600 41.6100 41.7000 335,000
42.0900 42.1800 41.5700 42.0000 145,200
42.7000 43.0800 41.6900 42.0500 147,300
Weekend
Weekend
42.0600 43.0800 41.5900 42.7600 329,600
No trading
42.1600 42.3200 41.7500 41.9400 182,900
42.1800 42.4500 41.6400 42.1900 172,500
42.9800 43.4200 42.3500 42.3700 248,200
Weekend
Weekend
43.5000 44.0100 42.6000 43.0000 987,800
43.4800 43.9000 42.6800 43.8100 456,900
42.3100 43.1600 42.1500 43.0100 349,800
41.5000 42.6300 41.2100 42.4200 408,600
42.1600 42.3600 41.1100 41.5000 344,500
Weekend
Weekend
42.9100 42.9100 40.9900 42.0900 592,300
42.0500 43.2100 41.6900 43.0800 239,300
41.2300 42.7900 41.0100 42.0800 531,800
41.7200 42.5700 41.4100 41.4300 242,800
7 · 8-K After-hours · 16:15 ET 8-K ↗
41.7300 42.2800 41.3900 42.1000 419,700
Weekend
Weekend
40.8300 41.6800 40.4800 41.3100 501,300
40.7900 41.5500 40.2800 40.9300 373,900
39.9100 41.0800 38.9700 41.0200 379,600
38.1900 39.9200 37.9100 39.8800 688,100
39.9100 39.9100 37.6400 37.8100 587,500
Weekend
Weekend
41.0600 41.0600 39.9900 40.4000 114,600
No trading
40.3000 40.9000 40.0800 40.7600 164,200
38.9900 40.5900 38.9900 40.5400 264,300
38.8300 39.5500 38.5000 38.7800 392,400
Weekend
Weekend
37.9800 39.0800 37.8600 38.5700 565,300
40.6000 40.9500 37.8500 38.0000 525,300
39.3000 40.0700 39.0600 39.5900 369,700
39.9200 40.4900 39.1800 39.3000 173,400
40.3100 40.9900 39.8200 40.2200 250,600
Weekend
Weekend
39.6800 40.7800 39.5200 40.3500 263,700
41.9100 42.0900 40.0200 40.3900 239,700
41.8700 42.3000 41.4900 41.9500 168,200
42.3200 42.3300 41.5600 41.5800 163,500
42.5500 42.9100 41.0300 42.3500 263,200
Weekend
Weekend
42.5200 43.0600 41.3400 42.1400 445,700
44.0700 44.3900 42.1400 42.8200 343,700
41.2800 44.4600 41.2800 44.4000 433,200
42.1700 42.2200 40.2000 41.3500 574,600
6 · 10-Q After market open · 13:06 ET 10-Q ↗ 5 · 8-K After market open · 13:03 ET 8-K ↗
46.5800 48.1200 37.5500 40.7600 750,500
Weekend
Weekend
43.8000 44.2500 43.5100 44.1500 392,200
43.7200 44.2200 43.3700 43.7800 163,900
43.9800 44.6600 43.2700 43.7600 246,400
44.0200 44.1300 42.7000 44.0000 218,400
44.4400 44.8200 44.0700 44.1000 230,700
Weekend
Weekend
4 · DEFA14A After-hours · 16:08 ET DEFA14A ↗ 3 · DEF 14A After-hours · 16:05 ET DEF 14A ↗
44.4600 45.1400 44.0400 44.0900 373,500
43.4200 44.2900 43.4200 43.9300 188,100
43.6800 43.8900 42.6800 43.4400 225,800
43.8000 44.3900 43.4900 43.7500 159,900
43.5900 44.3100 43.5900 43.8000 259,700
Weekend
Weekend
43.3600 44.3400 43.0400 43.3700 255,700
43.7600 44.0500 43.1500 43.1900 315,000
43.1900 43.9200 43.1500 43.5000 257,300
42.0800 43.1000 41.5900 42.9800 164,600
42.8600 42.9600 42.0900 42.6000 159,600
Weekend
Weekend
43.6500 43.7400 41.8800 41.9400 243,300
43.9100 43.9300 42.3100 42.8900 162,100
43.3600 44.3000 43.0600 43.9100 374,400
43.8500 43.8500 42.7300 43.1000 491,800
43.0700 43.7400 42.9600 43.5200 342,000
Weekend
Weekend
42.8900 43.5000 42.5200 42.6400 269,600
43.0900 43.0900 42.3000 42.7000 193,000
42.4600 42.9100 42.2500 42.7200 259,300
42.5000 43.0500 42.4200 42.9500 266,700
43.2000 43.5000 42.4600 42.4900 221,600
Weekend
Weekend
43.1500 43.4800 42.7500 43.1400 212,700
42.7000 43.2200 42.4500 43.0800 272,900
43.9300 45.0300 43.1700 43.4200 371,700
42.7000 43.5800 42.4200 43.1500 309,200
42.6300 42.7500 41.9100 42.4300 361,800
Weekend
Weekend
42.0400 42.6700 41.4600 42.6300 1,665,600
42.9000 42.9000 41.1000 41.9900 560,400
42.9000 43.5600 42.1300 42.4000 508,800
43.7700 44.0000 42.7600 42.9300 629,200
42.1600 44.2400 41.5500 43.6600 808,700
Weekend
Weekend
41.3700 42.1000 41.0500 41.9300 490,800
40.0100 41.5500 39.8400 41.4900 327,800
40.1000 40.4200 39.8100 40.0800 250,900
40.2000 40.5200 40.0600 40.1000 402,000
39.7900 40.2900 39.5200 40.2600 244,700
Weekend
Weekend
39.7100 40.3500 39.1600 39.5200 343,100
39.8200 39.8200 38.6600 39.2500 467,500
38.5700 39.8600 38.4400 39.7600 580,000
37.8400 38.5200 37.5200 38.4900 668,100
No trading
Weekend
Weekend
38.1400 38.1400 37.5000 38.0500 445,300
38.4700 38.5500 37.7800 38.3300 434,800
37.1600 38.6000 37.0500 38.4100 612,700
34.2500 37.4500 34.2500 37.4000 1,125,000
2 · 10-K After market open · 14:41 ET 10-K ↗ 1 · 8-K After market open · 14:38 ET 8-K ↗
34.4400 35.7600 31.4700 33.6400 1,493,300
Weekend
Weekend
30.5900 31.8600 30.4000 31.7000 318,900
30.1400 30.5300 30.0300 30.3900 251,300
30.9000 30.9000 29.8800 30.1900 219,900
30.6800 31.2100 30.5700 30.8000 186,200
30.5800 30.7300 30.3100 30.6500 270,400
Weekend
Weekend
31.1600 31.1600 30.2900 30.4900 186,200
31.9700 32.0600 30.8700 31.1000 299,000
31.0800 32.4900 31.0700 32.4500 340,800
29.9500 31.1500 29.7400 30.9600 244,000
29.9000 30.0400 29.5900 29.7200 132,100
Weekend
Weekend
29.8100 30.3700 29.6300 29.9000 218,000
29.9900 30.0400 29.2700 29.5700 240,100
30.4000 30.5200 29.5800 29.5900 240,900
31.1000 31.1000 30.4400 30.4600 255,400
30.3400 31.0500 30.3400 30.9900 168,600
Weekend
Weekend
30.1100 30.3400 29.6900 30.2300 213,700
30.8400 31.3200 30.4000 30.5300 267,800
30.9300 31.6400 30.7100 30.9500 269,700
31.3700 31.7000 30.8400 30.8900 280,500
30.5000 31.0500 30.3200 31.0300 279,700
Weekend
Weekend

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.

12 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:21 ET Summarise
11 10-Q 10-Q (opens SEC filing in a new tab) After market open · 10:56 ET Summarise
10 8-K 8-K (opens SEC filing in a new tab) After market open · 13:54 ET Summarise
9 10-Q 10-Q (opens SEC filing in a new tab) After market open · 13:57 ET Summarise
8 8-K 8-K (opens SEC filing in a new tab) After market open · 13:54 ET Summarise
7 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:15 ET Summarise
6 10-Q 10-Q (opens SEC filing in a new tab) After market open · 13:06 ET Summarise
5 8-K 8-K (opens SEC filing in a new tab) After market open · 13:03 ET Summarise
4 DEFA14A DEFA14A (opens SEC filing in a new tab) After-hours · 16:08 ET Summarise
3 DEF 14A DEF 14A (opens SEC filing in a new tab) After-hours · 16:05 ET Summarise
2 10-K 10-K (opens SEC filing in a new tab) After market open · 14:41 ET Summarise
1 8-K 8-K (opens SEC filing in a new tab) After market open · 14:38 ET Summarise