Calix, Inc.

Calix, Inc.

CALX
Calix, Inc.US flagNew York Stock Exchange
38.35
USD
-0.79
- -
2.45BMarket Cap

Income Statement (USD)

APIChatGPT
2011 Y
2012 Y
2013 Y
2014 Y
2015 Y
2016 Y
2017 Y
2018 Y
2019 Y
2020 Y
2021 Y
2022 Y
2023 Y
2024 Y
2025 Y
As of date
12/31/2011
12/31/2012
12/31/2013
12/31/2014
12/31/2015
12/31/2016
12/31/2017
12/31/2018
12/31/2019
12/31/2020
12/31/2021
12/31/2022
12/31/2023
12/31/2024
12/31/2025
Sales/Revenue/Turnover
345
330
383
401
407
459
510
441
424
541
679
868
1,040
832
1,000
+ Sales & Services Revenue
345
330
383
401
407
459
510
441
424
541
679
868
1,040
832
1,000
- Cost of Revenue
225
193
212
223
217
258
337
244
236
274
323
432
521
378
432
+ Cost of Goods & Services
225
193
212
223
217
258
337
244
236
274
323
432
521
378
432
Gross Profit
119
138
171
178
190
201
173
197
188
267
357
435
518
454
568
+ Other Operating Income
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- Operating Expenses
159
165
190
198
217
234
250
217
201
224
283
383
493
497
547
+ Selling, General & Admin
83
88
100
108
117
125
123
127
120
139
182
251
315
317
357
+ Research & Development
68
67
79
80
90
107
128
90
81
85
102
132
178
180
190
+ Other Operating Expense
9
10
10
10
10
2
- -
- -
- -
- -
- -
- -
- -
- -
- -
Operating Income (Loss)
-39
-28
-18
-20
-27
-33
-77
-20
-13
43
73
53
26
-43
21
- Non-Operating (Income) Loss
13
1
-1
- -
-1
-6
4
-1
4
9
- -
-1
-9
-11
-13
+ Interest Expense, Net
- -
- -
- -
- -
- -
- -
- -
1
1
2
- -
-2
-10
-12
-13
+ Interest Expense
- -
- -
- -
1
1
1
- -
1
1
2
- -
- -
- -
- -
- -
- Interest Income
- -
- -
- -
1
1
1
- -
- -
- -
- -
- -
2
10
12
13
+ Other Non-Op (Income) Loss
13
- -
-1
- -
-1
-5
4
-1
3
7
- -
1
1
1
- -
Pretax Income
-52
-28
-17
-20
-26
-27
-82
-19
-17
34
73
54
35
-32
34
- Income Tax Expense (Benefit)
- -
- -
- -
1
1
- -
1
1
1
1
-166
13
5
-2
16
- (Income) Loss from Affiliates
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
Income (Loss) from Cont Ops
-53
-28
-17
-21
-26
-27
-83
-19
-18
33
238
41
29
-30
18
- Net Extraordinary Losses (Gains)
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Discontinued Operations
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Extraord. & Accounting Changes
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
Income (Loss) Incl. MI
-53
-28
-17
-21
-26
-27
-83
-19
-18
33
238
41
29
-30
18
- Minority Interest
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
Net Income, GAAP
-53
-28
-17
-21
-26
-27
-83
-19
-18
33
238
41
29
-30
18
- Preferred Dividends
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- Other Adjustments
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
Net Income Avail to Common, GAAP
-53
-28
-17
-21
-26
-27
-83
-19
-18
33
238
41
29
-30
18
EBIT
-39
-28
-18
-20
-27
-33
-77
-20
-13
43
73
53
26
-43
21
EBITDA
-13
-1
10
7
2
-18
-66
-10
-3
57
88
67
42
-23
39
EBITDA Margin (%)
-3.86
-0.4
2.69
1.85
0.57
-4.03
-12.99
-2.34
-0.62
10.5
12.98
7.71
4.06
-2.82
3.87
EBITA
-39
-28
-18
-20
-27
-33
-77
-20
-13
43
73
53
26
-43
21
Gross Margin (%)
34.66
41.66
44.71
44.31
46.74
43.86
33.88
44.73
44.29
49.33
52.49
50.17
49.86
54.55
56.83
Operating Margin (%)
-11.43
-8.37
-4.82
-5.08
-6.51
-7.11
-15.15
-4.42
-3.05
7.97
10.77
6.06
2.46
-5.18
2.1
Profit Margin (%)
-15.25
-8.58
-4.51
-5.19
-6.46
-5.97
-16.27
-4.37
-4.17
6.19
35.09
4.73
2.82
-3.58
1.79
Sales per Employee
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
Dividend per Share
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
Depreciation Expense
26
26
29
28
29
14
11
9
10
14
15
14
17
20
18
Basic Weighted Avg Shares
46
48
49
51
51
49
50
53
55
59
63
65
66
66
66
Basic EPS, GAAP
-1.15
-0.59
-0.35
-0.41
-0.51
-0.56
-1.66
-0.37
-0.32
0.57
3.77
0.63
0.44
-0.45
0.27
Basic EPS from Cont Ops
-1.15
-0.59
-0.35
-0.41
-0.51
-0.56
-1.66
-0.37
-0.32
0.57
3.77
0.63
0.44
-0.45
0.27
Diluted Weighted Avg Shares
46
48
49
51
51
49
50
53
55
62
68
69
69
66
69
Diluted EPS, GAAP
-1.15
-0.59
-0.35
-0.41
-0.51
-0.56
-1.66
-0.37
-0.32
0.54
3.51
0.6
0.42
-0.45
0.26
Diluted EPS from Cont Ops
-1.15
-0.59
-0.35
-0.41
-0.51
-0.56
-1.66
-0.37
-0.32
0.54
3.51
0.6
0.42
-0.45
0.26

Balance Sheet (USD)

APIChatGPT
2011 Y
2012 Y
2013 Y
2014 Y
2015 Y
2016 Y
2017 Y
2018 Y
2019 Y
2020 Y
2021 Y
2022 Y
2023 Y
2024 Y
2025 Y
As of date
12/31/2011
12/31/2012
12/31/2013
12/31/2014
12/31/2015
12/31/2016
12/31/2017
12/31/2018
12/31/2019
12/31/2020
12/31/2021
12/31/2022
12/31/2023
12/31/2024
12/31/2025
Total Current Assets
144
177
204
207
183
219
162
175
144
267
409
547
598
585
692
+ Cash, Cash Equivalents & STI
39
47
83
112
74
78
40
50
47
134
204
242
220
297
388
+ Cash & Cash Equivalents
39
47
83
49
24
50
40
50
47
81
51
79
63
43
143
+ ST Investments
- -
- -
- -
63
50
28
- -
- -
- -
53
153
163
157
254
245
+ Accounts & Notes Receiv
47
60
44
31
47
51
80
67
47
69
85
94
126
79
99
+ Accounts Receivable, Net
47
60
44
31
47
51
80
67
47
69
85
94
126
79
99
+ Notes Receivable, Net
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Loans Receivable, Net
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Other Receivable, Net
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Inventories
45
43
51
47
48
45
32
50
40
52
89
149
133
103
134
+ Raw Materials
3
9
7
3
2
2
1
11
1
- -
- -
1
22
22
2
+ Work In Process
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Finished Goods
42
34
44
44
45
43
30
39
39
52
89
149
111
81
131
+ Inventory Adjustments
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Other Inventory
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Other ST Assets
13
27
27
18
14
45
11
8
10
11
31
63
119
106
70
+ Misc ST Assets
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Prepaid Expenses
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ ST Derivative & Hedging Assets
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ ST Assets Held-for-Sale
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ ST Deferred Tax Assets
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
Total Noncurrent Assets
215
201
179
163
141
136
133
142
173
160
333
337
344
355
367
+ Property, Plant & Equip, Net
16
21
17
20
17
18
16
25
37
32
34
35
39
37
52
+ Property, Plant & Equip
66
77
73
80
75
84
81
79
89
78
75
80
90
93
113
- Accumulated Depreciation
50
56
55
59
58
66
65
54
51
46
41
45
51
56
61
+ LT Investments & Receivables
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ LT Investments
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ LT Receivables
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Other LT Assets
198
180
162
143
124
118
117
117
136
128
299
302
305
317
314
+ Total Intangible Assets
196
178
160
141
123
116
116
116
128
126
123
116
116
116
116
+ Goodwill
116
116
116
116
116
116
116
116
116
116
116
116
116
116
116
+ Other Intangible Assets
80
62
44
25
7
- -
- -
- -
12
10
7
- -
- -
- -
- -
+ LT Deferred Tax Assets
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ LT Derivative & Hedging Assets
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Misc LT Assets
2
2
2
1
1
2
1
1
7
3
176
186
189
201
198
Total Assets
358
378
384
370
324
355
295
317
317
427
742
885
942
939
1,059
+ Payables & Accruals
38
40
42
47
40
53
70
72
39
47
69
94
104
59
81
+ Accounts Payable
14
17
23
24
20
24
36
40
11
13
29
41
35
20
42
+ Accrued Taxes
1
2
1
1
1
1
2
2
2
3
4
5
4
5
5
+ Interest & Dividends Payable
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Other Payables & Accruals
23
22
18
22
19
29
32
30
27
30
36
48
65
34
35
+ ST Debt
- -
- -
- -
- -
- -
- -
30
30
33
3
4
4
4
4
3
+ ST Borrowings
- -
- -
- -
- -
- -
- -
30
30
30
3
5
- -
- -
- -
- -
+ ST Finance Leases
- -
- -
- -
- -
- -
- -
- -
- -
3
3
4
4
4
4
3
+ Other ST Liabilities
28
52
48
29
27
68
29
42
43
51
55
67
79
68
80
+ Deferred Revenue
15
39
35
13
13
49
13
22
24
28
32
39
43
32
35
+ Derivatives & Hedging
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Deferred Tax Liabilities
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Misc ST Liabilities
12
13
13
16
14
20
16
20
19
24
23
28
37
36
44
Total Current Liabilities
66
92
90
76
67
121
128
144
115
101
128
165
188
131
163
+ LT Debt
- -
- -
- -
- -
- -
- -
- -
- -
14
13
12
8
7
4
13
+ LT Borrowings
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ LT Finance Leases
- -
- -
- -
- -
- -
- -
- -
- -
14
13
12
8
7
4
13
+ Other LT Liabilities
15
17
20
22
21
21
22
21
33
33
33
31
28
23
23
+ Accrued Liabilities
13
16
18
19
20
20
21
17
18
20
22
25
25
21
20
+ Pension Liabilities
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Deferred Revenue
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Deferred Tax Liabilities
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Derivatives & Hedging
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Misc LT Liabilities
2
1
1
2
1
1
1
4
15
13
11
6
3
3
3
Total Noncurrent Liabilities
15
17
20
22
21
21
22
21
47
46
45
40
35
27
36
Total Liabilities
81
109
110
98
88
143
150
165
163
147
174
205
223
158
199
+ Preferred Equity and Hybrid Capital
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Share Capital & APIC
742
761
784
803
820
838
852
878
897
950
999
1,072
1,080
1,172
1,232
+ Common Stock
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
+ Additional Paid in Capital
740
760
782
802
819
837
851
876
896
948
998
1,070
1,078
1,170
1,230
- Treasury Stock
- -
- -
- -
- -
27
40
40
40
40
- -
- -
- -
- -
- -
- -
+ Retained Earnings
-464
-493
-510
-531
-557
-584
-667
-685
-703
-669
-431
-390
-360
-390
-372
+ Other Equity
- -
- -
- -
- -
- -
-1
- -
-1
-1
- -
- -
-2
-1
-1
- -
Equity Before Minority Interest
277
269
274
273
236
213
145
152
154
280
568
680
719
781
859
+ Minority/Non Controlling Interest
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
Total Equity
277
269
274
273
236
213
145
152
154
280
568
680
719
781
859
Total Liabilities & Equity
358
378
384
370
324
355
295
317
317
427
742
885
942
939
1,059
Shares Outstanding
48
49
50
52
50
49
52
54
56
62
64
66
65
66
67
Number of Employees
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
Capital Leases - Total
- -
- -
- -
- -
- -
- -
- -
- -
17
16
16
12
12
8
16
Net Debt
-39
-47
-83
-49
-24
-50
-10
-20
-17
-78
-47
-79
-63
-43
-143
Net Debt to Equity
-14.04
-17.47
-30.21
-17.91
-10.02
-23.65
-6.74
-12.93
-10.93
-27.78
-8.2
-11.64
-8.82
-5.53
-16.65
Tangible Common Equity Ratio
50.16
45.43
50.97
57.34
56.19
40.45
16.09
17.8
13.64
51.26
71.95
73.3
73.01
80.76
78.85
Current Ratio
2.18
1.91
2.27
2.74
2.72
1.81
1.27
1.22
1.25
2.64
3.19
3.31
3.19
4.46
4.24
Cash Conversion Cycle
85.95
112.73
97.29
74.71
78.09
73.37
54.61
69.11
77.44
85.36
99.92
112.01
109.86
130.04
108.22

Cash Flow Statement (USD)

APIChatGPT
2011 Y
2012 Y
2013 Y
2014 Y
2015 Y
2016 Y
2017 Y
2018 Y
2019 Y
2020 Y
2021 Y
2022 Y
2023 Y
2024 Y
2025 Y
As of date
12/31/2011
12/31/2012
12/31/2013
12/31/2014
12/31/2015
12/31/2016
12/31/2017
12/31/2018
12/31/2019
12/31/2020
12/31/2021
12/31/2022
12/31/2023
12/31/2024
12/31/2025
+ Net Income
-53
-28
-17
-21
-26
-27
-83
-19
-18
33
238
41
29
-30
18
+ Depreciation & Amortization
26
26
29
28
29
14
11
9
10
14
15
14
17
20
18
+ Non-Cash Items
24
17
19
17
15
15
13
11
14
18
-144
46
58
56
97
+ Stock-Based Compensation
22
17
20
16
14
14
12
17
11
14
24
45
63
71
88
+ Deferred Income Taxes
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
-168
2
-1
-10
13
+ Asset Impairment Charge
- -
-1
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Other Non-Cash Adj
3
- -
-1
1
1
- -
- -
-6
3
4
- -
-1
-4
-5
-4
+ Chg in Non-Cash Work Cap
17
13
11
14
-23
23
-3
3
-2
-14
-52
-74
-48
23
2
+ (Inc) Dec in Accts Receiv
14
-13
16
13
-16
-4
-29
14
21
-23
-16
-9
-32
47
-20
+ (Inc) Dec in Inventories
9
11
-6
4
-1
3
13
-21
10
-12
-37
-60
16
30
-31
+ (Inc) Dec in Prepaid Assets
- -
- -
1
-6
3
-31
35
4
- -
1
-27
-38
-61
11
17
+ Inc (Dec) in Accts Payable
-8
2
2
8
-8
39
-8
7
-31
14
19
33
31
-47
25
+ Inc (Dec) in Other
3
13
-2
-5
- -
16
-14
-2
-1
6
8
- -
-1
-18
11
+ Net Cash From Disc Ops
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
Cash from Operating Activities
15
28
41
38
-5
24
-63
4
5
51
57
27
56
68
135
+ Change in Fixed & Intang
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Disp in Fixed & Intang
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Disp of Fixed Prod Assets
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Disp of Intangible Assets
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Acq of Fixed & Intang
-7
-10
-7
-12
-7
-10
-8
-10
-13
-8
-10
-14
-18
-18
-19
+ Acq of Fixed Prod Assets
-7
-10
-7
-12
-7
-10
-8
-10
-13
-8
-10
-14
-18
-18
-19
+ Acq of Intangible Assets
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Cash (Repurchase) of Equity
4
- -
- -
- -
-27
-13
- -
- -
- -
60
- -
- -
-86
-11
-94
+ Increase in Capital Stock
4
- -
- -
- -
- -
- -
- -
- -
- -
60
- -
- -
- -
- -
- -
+ Decrease in Capital Stock
- -
- -
- -
- -
-27
-13
- -
- -
- -
- -
- -
- -
-86
-11
-94
+ Net Change in LT Investment
32
- -
- -
-63
12
22
28
- -
- -
-53
-100
-10
12
-91
13
+ Dec in LT Investment
32
- -
- -
4
72
38
36
- -
- -
20
198
181
228
210
234
+ Inc in LT Investment
- -
- -
- -
-68
-60
-16
-9
- -
- -
-73
-298
-191
-216
-302
-221
+ Net Cash From Acq & Div
-61
-12
- -
- -
- -
- -
- -
10
- -
- -
- -
- -
- -
- -
- -
+ Cash from Divestitures
- -
- -
- -
- -
- -
- -
- -
10
- -
- -
- -
- -
- -
- -
- -
+ Cash for Acq of Subs
-61
-12
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Cash for JVs
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Other Investing Activities
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Net Cash From Disc Ops
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
Cash from Investing Activities
-36
-22
-7
-75
5
12
20
- -
-13
-61
-111
-24
-6
-110
-6
+ Dividends Paid
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
+ Net Cash From Debt
- -
- -
- -
- -
- -
- -
30
- -
-3
-36
- -
- -
- -
- -
- -
+ Cash From Debt
- -
- -
- -
- -
- -
- -
171
558
143
30
- -
- -
- -
- -
- -
+ Repayments of Debt
- -
- -
- -
- -
- -
- -
-141
-558
-146
-66
- -
- -
- -
- -
- -
+ Other Financing Activities
-10
3
2
4
3
4
2
7
9
18
24
25
20
32
65
+ Net Cash From Disc Ops
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
Cash from Financing Activities
-6
3
2
4
-24
-9
32
7
6
42
24
25
-66
21
-28
Effect of Foreign Exchange Rates
- -
- -
- -
- -
- -
-1
- -
- -
- -
1
- -
- -
- -
- -
- -
Net Changes in Cash
-27
8
36
-34
-25
27
-11
11
-3
33
-29
28
-16
-20
100
EBITDA
-13
-1
10
7
2
-18
-66
-10
-3
57
88
67
42
-23
39
EBITDA Margin (%)
-3.86
-0.4
2.69
1.85
0.57
-4.03
-12.99
-2.34
-0.62
10.5
12.98
7.71
4.06
-2.82
3.87
Free Cash Flow
7
17
34
26
-13
15
-71
-7
-9
44
46
13
38
50
116
Net Cash Paid for Acquisitions
61
12
- -
- -
- -
- -
- -
-10
- -
- -
- -
- -
- -
- -
- -
Free Cash Flow to Firm
- -
- -
- -
- -
- -
- -
- -
- -
- -
45
- -
13
38
- -
116
Free Cash Flow to Equity
7
17
34
26
-13
15
-41
-7
-11
8
46
13
38
50
116
Free Cash Flow per Basic Share
0.16
0.36
0.68
0.51
-0.25
0.3
-1.41
-0.13
-0.16
0.74
0.73
0.2
0.58
0.76
1.75
Price/Free Cash Flow
13.43
9.79
9.97
10.17
209.2
10.95
-5.45
36.68
24.43
31.15
80.68
114.32
40.87
26.57
23.76
Cash Flow to Net Income
-0.28
-0.98
-2.36
-1.83
0.2
-0.89
0.76
-0.18
-0.26
1.54
0.24
0.66
1.92
-2.3
7.55
Capital Expenditures
-7
-10
-7
-12
-7
-10
-8
-10
-13
-8
-10
-14
-18
-18
-19