A10 Networks, Inc ATEN
Open calendar →A10 Networks, Inc. Common Stock · Company · NYSE
USD closing-price chart (daily close from yfinance · Last year)
USD 18.83 → 35.54 · 88.7%
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 filing dates use the selected announcement filters.
Date
Open
High
Low
Close
Volume
No data yet
36.1600
36.3500
35.5300
35.5400
660,545
35.9600
36.4300
35.6000
36.4300
781,700
35.9200
36.8200
35.7600
35.7900
1,094,000
Weekend
Weekend
35.0000
36.2100
34.4600
35.9600
1,087,000
36.1000
36.3500
35.2200
36.0900
1,309,900
37.6500
38.0500
36.0200
36.3000
1,240,600
36.5000
38.0400
36.0700
37.6400
1,264,600
37.1100
37.4500
36.0200
36.7900
1,164,500
Weekend
Weekend
37.9600
38.0700
36.9100
37.1700
1,335,000
37.2000
38.4900
37.0400
38.1100
1,189,300
36.2900
37.3200
36.1200
37.0900
855,700
36.3000
37.3100
35.5100
36.5200
824,700
36.1000
37.4200
35.6900
36.4400
1,105,300
Weekend
Weekend
No trading
37.6300
37.8000
35.8000
36.3000
1,259,700
37.5000
38.3900
37.0900
38.0000
1,060,700
36.2000
37.6700
36.2000
37.3600
1,161,200
35.0500
36.7000
35.0200
36.3300
1,572,200
Weekend
Weekend
34.4200
35.1200
33.7800
34.9800
2,202,200
34.1000
35.1900
34.0500
34.7400
1,274,500
33.8800
34.5000
33.6700
34.1800
1,224,600
33.2200
34.3700
32.5900
33.8500
892,000
33.4100
34.3900
33.2700
33.7700
1,266,800
Weekend
Weekend
No trading
33.3200
33.5800
32.0500
33.2600
3,795,400
32.6600
33.4600
32.4400
32.9200
1,174,800
32.7000
33.4800
32.3100
32.4300
870,300
32.0000
33.6400
31.5200
32.7000
1,312,900
Weekend
Weekend
32.9900
33.4800
31.7500
31.7600
1,104,400
31.6900
32.7500
31.1000
32.6600
1,009,000
30.4900
32.1500
30.3100
31.7200
1,000,600
30.9800
31.2600
29.8300
30.9500
1,373,400
31.3000
31.5000
30.5300
30.9800
1,009,700
Weekend
Weekend
31.4600
31.7300
30.1200
30.5700
1,268,900
31.0900
31.8800
30.4900
31.7000
950,800
32.0900
32.3600
31.0700
31.4400
1,156,200
31.0000
32.9500
30.7000
32.6400
1,723,700
30.6200
31.7500
30.2400
31.5400
1,528,300
Weekend
Weekend
29.4500
30.4200
29.3800
30.1400
1,328,100
29.2300
29.4600
28.5700
29.2400
1,171,500
29.4000
29.5100
28.5100
29.1500
1,051,500
29.1100
29.6600
28.5300
29.5600
742,800
No trading
Weekend
Weekend
28.7500
30.0500
28.4900
29.1600
839,500
28.3700
28.5300
28.0300
28.3300
658,800
28.2400
29.1300
27.9700
28.6800
1,010,600
28.1100
28.4300
27.7000
28.2800
605,500
28.0100
28.5100
27.8200
28.1200
811,900
Weekend
Weekend
27.7400
28.6600
27.2500
27.9500
1,120,600
27.8700
28.2100
27.4600
28.0300
772,500
27.4000
27.9800
27.0300
27.7300
716,500
28.0000
28.3300
27.3000
27.3500
849,100
27.5000
28.0200
27.4200
28.0200
979,600
Weekend
Weekend
27.0300
28.1000
26.9100
27.8000
1,133,800
15 · 8-K
8-K ↗
14 · 10-Q
10-Q ↗
27.2400
27.9100
26.6900
27.2700
1,561,000
27.0500
27.4000
26.4700
26.7200
851,300
27.1800
27.4200
26.8500
27.1300
690,000
26.8200
27.4500
26.7000
27.0400
698,600
Weekend
Weekend
13 · 8-K
8-K ↗
27.1100
27.3100
26.4500
26.8500
854,100
26.5400
26.8800
25.4600
26.6800
1,331,100
27.0500
27.1900
25.0000
26.6300
2,078,100
12 · 8-K
8-K ↗
27.6800
28.1900
27.4300
28.1300
1,094,000
27.5500
28.0000
27.3100
27.6900
734,100
Weekend
Weekend
26.6700
27.6000
26.4500
27.5600
973,900
11 · 8-K
8-K ↗
27.3700
27.4300
26.3900
26.6200
811,700
27.9900
28.1000
27.4300
27.6500
914,800
27.2300
28.1600
26.8500
27.7100
1,090,900
26.8100
27.4100
26.4600
27.2200
1,410,200
Weekend
Weekend
27.5900
28.5900
27.0800
27.5500
2,213,400
25.5100
26.5700
25.4800
26.5200
2,288,000
25.1800
25.6900
25.0300
25.5100
864,200
24.9800
25.3200
24.9300
25.0500
809,000
24.0600
24.9400
24.0600
24.9300
833,700
Weekend
Weekend
24.7600
24.7600
23.6500
24.0000
839,800
24.7500
25.0100
23.9900
24.7000
867,700
10 · DEFA14A
DEFA14A ↗
25.2100
25.4200
24.8400
25.0300
1,210,200
23.9200
24.6800
23.9000
24.6800
894,300
23.9600
24.1800
23.8100
23.9800
462,100
Weekend
Weekend
No trading
23.8700
24.0800
23.6300
23.9900
668,400
23.4500
24.2200
23.3400
24.0800
814,000
22.5500
23.1400
22.2700
23.1200
732,400
22.5500
22.6900
22.2100
22.3600
1,751,100
Weekend
Weekend
22.8300
23.0500
22.2900
22.3400
640,400
23.0600
23.6200
22.9800
23.1800
1,050,600
23.0000
23.7100
22.9000
23.2600
1,601,900
22.3400
22.7900
22.0300
22.4200
1,115,000
21.7100
22.6600
21.6500
22.4200
949,400
Weekend
Weekend
21.9600
22.0300
21.3500
21.4600
4,588,200
21.3000
22.1100
21.2200
22.0000
1,062,100
21.2300
21.6900
21.1800
21.4800
904,400
20.7600
21.3100
20.7600
21.2700
935,700
21.0600
21.1300
20.5300
20.7500
3,453,900
Weekend
Weekend
21.0800
21.3900
20.7100
20.9700
448,100
20.7700
21.2100
20.6600
21.0600
714,900
20.7000
20.9900
20.5900
20.9600
532,300
9 · DEFA14A
DEFA14A ↗
8 · DEF 14A
DEF 14A ↗
20.4500
20.8000
20.1000
20.6100
597,400
20.2700
20.5900
19.9900
20.4500
608,800
Weekend
Weekend
20.7000
20.8200
20.2000
20.4700
555,800
20.5400
20.9700
20.5400
20.8600
546,500
20.3700
20.7200
20.1900
20.6800
748,500
19.3800
20.4900
19.1100
20.4000
657,400
19.0700
20.0000
18.8800
19.8600
866,800
Weekend
Weekend
19.0500
19.2800
18.8600
19.2600
883,300
19.4700
19.6100
19.0600
19.2600
559,700
7 · 10-K
10-K ↗
19.0200
19.3600
18.7500
19.2800
660,300
19.0200
19.4900
18.9000
18.9900
714,400
19.9200
19.9200
18.7200
18.9400
822,900
Weekend
Weekend
19.7800
20.1300
19.7100
19.9800
1,173,100
19.8400
19.9300
19.5800
19.6800
548,100
20.0600
20.1100
19.6700
19.9500
922,700
20.4800
20.8800
20.0300
20.0600
816,400
No trading
Weekend
Weekend
20.4200
20.7400
20.2300
20.7000
1,090,100
21.0000
21.1200
20.1700
20.3500
930,800
20.9400
21.1300
20.4900
20.9300
1,466,200
21.2300
21.3100
20.7800
20.9200
1,068,400
19.6700
21.1800
19.5700
20.9100
1,462,600
Weekend
Weekend
19.4600
19.7600
19.3000
19.6700
1,761,700
17.7200
19.8700
17.7200
19.3300
1,984,800
6 · 8-K
8-K ↗
17.1000
17.6700
17.0100
17.5200
774,500
17.4700
17.5500
16.8500
17.2700
811,200
17.3700
17.8400
17.2100
17.6900
776,000
Weekend
Weekend
17.6300
17.7700
17.2200
17.4400
712,400
18.3000
18.3100
17.3300
17.7100
872,600
18.2800
18.5200
18.1200
18.4400
989,500
17.9600
18.1400
17.8000
18.1400
603,000
17.4900
17.8100
17.4100
17.8100
629,100
Weekend
Weekend
17.4700
17.7100
17.2800
17.3800
629,500
17.2500
17.5600
17.2300
17.4600
453,900
17.0300
17.1800
16.8300
17.1300
469,900
17.0400
17.1900
16.8000
16.9500
439,100
No trading
Weekend
Weekend
17.6000
17.6400
17.1700
17.3100
516,300
17.5300
17.6100
17.3300
17.5800
741,900
17.2400
17.4100
17.1100
17.4000
497,600
17.4600
17.4800
17.1100
17.2800
439,400
17.2400
17.4700
17.1500
17.4000
526,500
Weekend
Weekend
17.3000
17.4100
17.0000
17.2300
695,100
17.4500
17.5500
17.2800
17.3200
574,200
17.6700
17.7500
17.4000
17.5600
489,200
17.4700
17.5700
17.3000
17.4600
432,900
17.3500
17.7500
17.3100
17.5800
422,700
Weekend
Weekend
17.8000
17.9800
17.2100
17.3500
453,900
No trading
17.9300
17.9500
17.6000
17.6900
316,700
18.0100
18.1100
17.9300
17.9300
369,000
18.0400
18.1000
17.9000
18.0500
327,100
Weekend
Weekend
18.0300
18.1400
17.9900
18.0700
302,300
No trading
18.0300
18.0600
17.9300
18.0000
172,400
18.0800
18.1400
17.9500
18.0000
455,800
18.1000
18.4500
17.9600
18.1300
585,300
Weekend
Weekend
18.3200
18.3900
17.9200
17.9600
3,270,400
18.1600
18.5600
18.1500
18.3000
886,500
18.0200
18.2500
17.9200
18.0800
828,000
17.7700
18.1000
17.7400
18.0300
1,229,700
18.1100
18.1100
17.4200
17.8000
1,261,100
Weekend
Weekend
18.3500
18.4100
18.1100
18.1200
1,250,200
18.4700
18.5400
18.2500
18.3700
443,600
18.1300
18.6500
18.1300
18.4900
680,100
17.7600
18.2000
17.7600
18.1400
607,100
17.8200
18.0500
17.7700
17.7800
473,100
Weekend
Weekend
17.5900
17.8500
17.5600
17.7700
398,600
17.5300
17.7400
17.4900
17.5900
466,300
17.3400
17.7500
17.2100
17.6400
440,200
17.3100
17.4800
17.2500
17.3400
475,100
17.0800
17.2500
17.0700
17.1800
553,800
Weekend
Weekend
17.0000
17.2500
16.9700
17.2200
308,100
No trading
17.0100
17.2600
16.9700
16.9800
709,000
16.8300
17.2100
16.7700
17.0700
876,600
16.8600
17.0100
16.6300
16.8400
530,900
Weekend
Weekend
16.6800
16.9600
16.6500
16.8400
489,500
16.8200
16.9000
16.5500
16.6300
517,500
16.6000
16.7900
16.5200
16.5500
726,000
16.8400
17.0000
16.6700
16.6800
617,100
17.3600
17.4900
16.8100
16.8400
665,100
Weekend
Weekend
16.8900
17.5000
16.7600
17.4900
2,531,900
17.0300
17.1700
16.8900
17.1300
744,400
17.3000
17.4000
16.9800
17.0900
604,500
17.1800
17.4600
17.1000
17.2000
554,100
17.4600
17.5400
16.8600
17.2100
970,800
Weekend
Weekend
17.5900
17.6900
17.1700
17.2300
694,800
17.9300
18.3200
17.7300
17.7900
928,400
18.3800
18.8000
17.6400
18.1300
954,400
5 · 10-Q
10-Q ↗
4 · 8-K
8-K ↗
17.7600
17.9100
17.5100
17.5200
635,300
17.8800
17.9800
17.6000
17.9700
503,100
Weekend
Weekend
17.6800
17.8900
17.5600
17.8400
558,800
17.4200
17.8000
17.3900
17.6700
404,800
18.1000
18.2900
17.3100
17.4900
526,400
17.7700
18.2300
17.7600
18.1500
520,400
18.2000
18.2400
17.7500
17.7800
334,000
Weekend
Weekend
18.2200
18.2200
17.9300
18.0400
289,300
17.7200
18.0700
17.5900
18.0200
303,800
18.1000
18.1500
17.6200
17.7600
397,500
17.6800
18.0900
17.6500
18.0600
358,200
17.6600
17.7600
17.4400
17.6800
417,700
Weekend
Weekend
17.1500
17.4800
17.1000
17.4600
351,800
17.6000
17.6300
17.1100
17.2500
554,800
17.9100
17.9400
17.3400
17.5100
400,400
17.6300
17.8200
17.5800
17.7400
415,800
17.9600
18.1700
17.7700
17.8600
346,800
Weekend
Weekend
18.3900
18.5400
17.6600
17.7300
476,900
18.4700
18.4700
18.1100
18.3900
311,600
18.2600
18.5700
18.1600
18.4500
406,600
18.7000
18.7500
18.0900
18.1200
461,500
18.4500
18.7300
18.3800
18.6700
505,800
Weekend
Weekend
18.5800
18.7700
18.3100
18.3100
493,700
18.3800
18.5500
18.2400
18.4900
440,900
18.0300
18.3600
17.9500
18.2900
542,600
18.0400
18.1600
17.7600
18.1500
607,400
18.4000
18.4400
18.0200
18.0800
589,900
Weekend
Weekend
18.2500
18.4700
18.1100
18.3100
507,800
18.1800
18.2400
17.9000
18.2100
578,400
18.3200
18.3800
18.1000
18.2400
584,300
18.3100
18.4500
18.1000
18.2400
840,900
18.1500
18.3400
17.9400
18.3300
777,100
Weekend
Weekend
18.1300
18.2500
17.9600
18.1800
2,272,300
17.7700
18.2000
17.7000
18.0700
837,300
17.5500
17.8200
17.4300
17.6500
687,500
17.7100
17.7100
17.2700
17.4300
598,000
17.5000
17.7800
17.3800
17.6700
671,600
Weekend
Weekend
17.8700
17.8700
17.3700
17.4500
499,300
17.4900
17.9500
17.4200
17.8700
621,500
17.6100
17.6300
17.2900
17.4200
620,200
17.4700
17.5700
17.3100
17.4900
515,900
17.4500
17.7800
17.2700
17.4300
732,500
Weekend
Weekend
3 · 8-K
8-K ↗
17.9100
18.0500
17.4600
17.6400
566,500
17.6500
17.8200
17.4500
17.8200
547,200
17.2700
17.6300
17.2100
17.6100
537,500
17.5100
17.5800
17.1100
17.3400
915,400
No trading
Weekend
Weekend
17.5900
17.7500
17.5000
17.7100
1,171,700
17.4500
17.7400
17.3500
17.5900
675,900
17.2900
17.5000
17.2000
17.4500
446,300
17.2900
17.3300
17.1700
17.2300
673,500
17.4200
17.4700
17.2200
17.2300
582,800
Weekend
Weekend
17.0300
17.4900
16.9200
17.3800
568,500
16.9700
17.0900
16.9000
16.9900
478,100
17.0500
17.1100
16.7500
17.0100
583,600
17.2000
17.2500
17.0200
17.0600
615,300
17.1800
17.2400
17.0300
17.2000
533,600
Weekend
Weekend
17.2900
17.3800
17.0500
17.1800
611,300
17.9900
18.0200
17.3000
17.3600
760,400
18.0300
18.1900
17.8700
18.1400
818,700
17.1900
17.9200
17.1900
17.8200
977,000
17.2900
17.5600
17.1000
17.1300
1,009,900
Weekend
Weekend
17.9500
18.0300
17.3700
17.4100
960,700
18.8400
18.9200
17.5300
17.8400
1,121,000
19.1000
19.5700
18.2800
18.7200
1,752,100
2 · 10-Q
10-Q ↗
1 · 8-K
8-K ↗
18.3100
18.3100
17.7700
17.7900
750,500
17.9500
18.2300
17.8500
18.1700
978,700
Weekend
Weekend
18.2400
18.2600
17.6700
17.7500
693,200
18.7700
18.9200
18.3100
18.4200
758,700
18.8500
19.1900
18.6400
18.6900
987,600
18.7700
18.9900
18.6800
18.8000
617,300
18.6200
18.6500
18.3600
18.5200
623,200
Weekend
Weekend
18.7800
18.8200
18.5400
18.5800
420,300
19.0100
19.0200
18.7200
18.7300
403,600
18.8300
19.0000
18.8100
18.9600
603,900
18.7800
18.9500
18.6700
18.8300
869,200
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.