Biggest changeConsolidated Statements of Operations Data: Three Months Ended Dec. 31, 2023 Sept. 30, 2023 Jun. 30, 2023 Mar. 31, 2023 Dec. 31, 2022 Sept. 30, 2022 Jun. 30, 2022 Mar. 31, 2022 (in thousands) Revenue: Subscription business $ 191,537 $ 182,906 $ 173,253 $ 165,210 $ 158,562 $ 152,401 $ 145,808 $ 139,839 Other business 104,320 102,947 97,313 91,119 87,447 81,359 73,603 66,160 Total revenue 295,857 285,853 270,566 256,329 246,009 233,760 219,411 205,999 Cost of revenue: Subscription business (1) 158,631 157,444 151,520 146,091 131,823 128,158 122,440 115,263 Other business 97,162 93,176 89,673 83,892 80,537 75,543 68,388 60,842 Total cost of revenue 255,793 250,620 241,193 229,983 212,360 203,701 190,828 176,105 Operating expenses: Technology and development (1) 5,969 5,302 5,232 4,900 6,955 6,553 6,396 5,229 General and administrative (1) 13,390 12,664 13,136 21,017 10,472 10,314 9,227 9,366 New pet acquisition expense (1) 17,189 17,772 20,769 21,642 22,457 22,434 22,982 21,627 Depreciation and amortization 3,029 2,990 3,253 3,202 2,897 2,600 2,707 2,717 Total operating expenses 39,577 38,728 42,390 50,761 42,781 41,901 41,312 38,939 Gain (loss) from investment in joint venture (79) 4 (73) (71) (85) (57) (42) (69) Operating income (loss) 408 (3,491) (13,090) (24,486) (9,217) (11,899) (12,771) (9,114) Interest expense 3,697 3,053 2,940 2,387 1,587 1,408 1,193 79 Other expense (income), net (1,256) (2,465) (2,078) (1,902) (1,504) (889) (365) (314) Income (loss) before income taxes (2,033) (4,079) (13,952) (24,971) (9,300) (12,418) (13,599) (8,879) Income tax expense (benefit) 130 (43) (238) (191) (15) 496 19 (24) Net income (loss) $ (2,163) $ (4,036) $ (13,714) $ (24,780) $ (9,285) $ (12,914) $ (13,618) $ (8,855) (1) Includes stock-based compensation expense as follows (in thousands): Three Months Ended Dec. 31, 2023 Sept. 30, 2023 Jun. 30, 2023 Mar. 31, 2023 Dec. 31, 2022 Sept. 30, 2022 Jun. 30, 2022 Mar. 31, 2022 (in thousands) Cost of revenue $ 1,478 $ 1,176 $ 1,307 $ 1,318 $ 1,346 $ 1,472 $ 1,830 $ 1,836 Technology and development 861 650 627 708 1,549 1,184 1,101 908 General and administrative 3,269 3,281 2,948 8,219 3,550 3,792 3,066 2,423 New pet acquisition expense 1,693 1,785 1,755 2,086 2,122 2,195 2,637 2,382 Total stock-based compensation expense $ 7,301 $ 6,892 $ 6,637 $ 12,331 $ 8,567 $ 8,643 $ 8,634 $ 7,549 54 Three Months Ended Dec. 31, 2023 Sept. 30, 2023 Jun. 30, 2023 Mar. 31, 2023 Dec. 31, 2022 Sept. 30, 2022 Jun. 30, 2022 Mar. 31, 2022 Other Financial and Operational Data: Total Business: Total pets enrolled (at period end) 1,714,473 1,712,177 1,679,659 1,616,865 1,537,573 1,439,605 1,348,145 1,267,253 Subscription Business: Total subscription pets enrolled (at period end) 991,426 969,322 943,958 906,369 869,862 808,077 770,318 736,691 Monthly average revenue per pet $ 67.07 $ 65.82 $ 64.41 $ 63.58 $ 63.11 $ 63.80 $ 64.26 $ 64.21 Lifetime value of a pet, including fixed expenses $ 419 $ 428 $ 470 $ 541 $ 641 $ 673 $ 713 $ 730 Average pet acquisition cost (PAC) $ 217 $ 212 $ 236 $ 247 $ 283 $ 268 $ 309 $ 301 Average monthly retention 98.49 % 98.55 % 98.61 % 98.65 % 98.69 % 98.71 % 98.74 % 98.75 % Three Months Ended Dec. 31, 2023 Sept. 30, 2023 Jun. 30, 2023 Mar. 31, 2023 Dec. 31, 2022 Sept. 30, 2022 Jun. 30, 2022 Mar. 31, 2022 (as a percentage of revenue) Revenue 100 % 100 % 100 % 100 % 100 % 100 % 100 % 100 % Cost of revenue 86 88 89 90 86 87 87 85 Operating expenses: Technology and development 2 2 2 2 3 3 3 3 General and administrative 5 4 5 8 4 4 4 7 New pet acquisition expense 6 6 8 8 9 10 10 10 Depreciation and amortization 1 1 1 1 1 1 1 1 Total operating expenses 13 14 16 20 17 18 19 19 Gain (loss) from investment in joint venture — — — — — — — — Operating income (loss) — (1) (5) (10) (4) (5) (6) (4) Interest expense 1 1 1 1 1 1 1 — Other expense (income), net — (1) (1) (1) (1) — — — Income (loss) before income taxes (1) (1) (5) (10) (4) (5) (6) (4) Income tax expense (benefit) — — — — — — — — Net income (loss) (1) % (1) % (5) % (10) % (4) % (6) % (6) % (4) % Three Months Ended Dec. 31, 2023 Sept. 30, 2023 Jun. 30, 2023 Mar. 31, 2023 Dec. 31, 2022 Sept. 30, 2022 Jun. 30, 2022 Mar. 31, 2022 (as a percentage of subscription revenue) Subscription business revenue 100 % 100 % 100 % 100 % 100 % 100 % 100 % 100 % Subscription business cost of revenue 83 86 87 88 83 84 84 82 55 Liquidity and Capital Resources The following table summarizes our cash flows for the periods indicated (in thousands): Year Ended December 31, 2023 2022 2021 Net cash provided by (used in) operating activities $ 18,638 $ (8,000) $ 7,458 Net cash provided by (used in) investing activities 7,639 (67,516) (51,913) Net cash provided by (used in) financing activities 59,126 60,743 (1,125) Effect of foreign exchange rates on cash, cash equivalents, and restricted cash, net 424 (1,459) 252 Net change in cash, cash equivalents, and restricted cash $ 85,827 $ (16,232) $ (45,328) Our primary requirements for liquidity are paying veterinary invoices, funding operations and capital requirements, investing in new member acquisition, investing in enhancements to our member experience, and servicing debt.
Biggest changeConsolidated Statements of Operations Data: Three Months Ended Dec. 31, 2024 Sep. 30, 2024 Jun. 30, 2024 Mar. 31, 2024 Dec. 31, 2023 Sep. 30, 2023 Jun. 30, 2023 Mar. 31, 2023 (in thousands) Revenue: Subscription business $ 227,783 $ 218,986 $ 208,618 $ 201,134 $ 191,537 $ 182,906 $ 173,253 $ 165,210 Other business 109,524 108,470 106,182 104,987 104,320 102,947 97,313 91,119 Total revenue 337,307 327,456 314,800 306,121 295,857 285,853 270,566 256,329 Cost of revenue: Subscription business 181,614 177,365 175,740 172,132 158,631 157,444 151,520 146,091 Other business 102,770 100,712 98,791 97,762 97,162 93,176 89,673 83,892 Total cost of revenue (1) 284,384 278,077 274,531 269,894 255,793 250,620 241,193 229,983 Operating expenses: Technology and development (1) 8,172 7,933 8,190 6,960 5,969 5,302 5,232 4,900 General and administrative (1) 16,828 16,977 15,253 14,673 13,390 12,664 13,136 21,017 New pet acquisition expense (1) 18,354 18,308 17,874 16,843 17,189 17,772 20,769 21,642 Goodwill impairment charges 5,299 — — — — — — — Depreciation and amortization 3,924 4,381 4,376 3,785 3,029 2,990 3,253 3,202 Total operating expenses 52,577 47,599 45,693 42,261 39,577 38,728 42,390 50,761 Gain (loss) from investment in joint venture 2 (34) (47) (103) (79) 4 (73) (71) Operating income (loss) 348 1,746 (5,471) (6,137) 408 (3,491) (13,090) (24,486) Interest expense 3,427 3,820 3,655 3,596 3,697 3,053 2,940 2,387 Other expense (income), net (4,773) (3,538) (3,220) (2,843) (1,256) (2,465) (2,078) (1,902) Income (loss) before income taxes 1,694 1,464 (5,906) (6,890) (2,033) (4,079) (13,952) (24,971) Income tax expense (benefit) 38 39 (44) (38) 130 (43) (238) (191) Net income (loss) $ 1,656 $ 1,425 $ (5,862) $ (6,852) $ (2,163) $ (4,036) $ (13,714) $ (24,780) (1) Includes stock-based compensation expense as follows (in thousands): Three Months Ended Dec. 31, 2024 Sep. 30, 2024 Jun. 30, 2024 Mar. 31, 2024 Dec. 31, 2023 Sep. 30, 2023 Jun. 30, 2023 Mar. 31, 2023 (in thousands) Cost of revenue $ 1,337 $ 1,401 $ 1,395 $ 1,390 $ 1,478 $ 1,176 $ 1,307 $ 1,318 Technology and development 1,160 1,259 1,261 1,254 861 650 627 708 General and administrative 4,261 4,125 3,861 3,449 3,269 3,281 2,948 8,219 New pet acquisition expense 1,536 1,555 2,129 2,059 1,693 1,785 1,755 2,086 Total stock-based compensation expense $ 8,294 $ 8,340 $ 8,646 $ 8,152 $ 7,301 $ 6,892 $ 6,637 $ 12,331 53 Three Months Ended Dec. 31, 2024 Sep. 30, 2024 Jun. 30, 2024 Mar. 31, 2024 Dec. 31, 2023 Sep. 30, 2023 Jun. 30, 2023 Mar. 31, 2023 Other Financial and Operational Data: Total Business: Total pets enrolled (at period end) 1,677,570 1,688,903 1,699,643 1,708,017 1,714,473 1,712,177 1,679,659 1,616,865 Subscription Business: Total subscription pets enrolled (at period end) 1,041,212 1,032,042 1,020,934 1,006,168 991,426 969,322 943,958 906,369 Monthly average revenue per pet $ 76.02 $ 74.27 $ 71.72 $ 69.79 $ 67.07 $ 65.82 $ 64.41 $ 63.58 Average pet acquisition cost (PAC) $ 261 $ 243 $ 231 $ 207 $ 217 $ 212 $ 236 $ 247 Average monthly retention 98.25 % 98.29 % 98.34 % 98.41 % 98.49 % 98.55 % 98.61 % 98.65 % Three Months Ended Dec. 31, 2024 Sep. 30, 2024 Jun. 30, 2024 Mar. 31, 2024 Dec. 31, 2023 Sep. 30, 2023 Jun. 30, 2023 Mar. 31, 2023 (as a percentage of revenue) Revenue 100 % 100 % 100 % 100 % 100 % 100 % 100 % 100 % Cost of revenue 84 85 87 88 86 88 89 90 Operating expenses: Technology and development 2 2 3 2 2 2 2 2 General and administrative 5 5 5 5 5 4 5 8 New pet acquisition expense 5 6 6 6 6 6 8 8 Goodwill impairment charges 2 — — — — — — — Depreciation and amortization 1 1 1 1 1 1 1 1 Total operating expenses 15 14 15 14 14 13 16 19 Gain (loss) from investment in joint venture — — — — — — — — Operating income (loss) — 1 (2) (2) — (1) (5) (10) Interest expense 1 1 1 1 1 1 1 1 Other expense (income), net (1) (1) (1) (1) — (1) (1) (1) Income (loss) before income taxes 1 — (2) (2) (1) (1) (5) (10) Income tax expense (benefit) — — — — — — — — Net income (loss) — % — % (2) % (2) % (1) % (1) % (5) % (10) % Three Months Ended Dec. 31, 2024 Sep. 30, 2024 Jun. 30, 2024 Mar. 31, 2024 Dec. 31, 2023 Sep. 30, 2023 Jun. 30, 2023 Mar. 31, 2023 (as a percentage of subscription revenue) Subscription business revenue 100 % 100 % 100 % 100 % 100 % 100 % 100 % 100 % Subscription business cost of revenue 80 81 84 86 83 86 87 88 54 Liquidity and Capital Resources The following table summarizes our cash flows for the periods indicated (in thousands): Year Ended December 31, 2024 2023 2022 Net cash provided by (used in) operating activities $ 48,287 $ 18,638 $ (8,000) Net cash provided by (used in) investing activities (13,457) 7,639 (67,516) Net cash provided by (used in) financing activities (3,957) 59,126 60,743 Effect of foreign exchange rates on cash, cash equivalents, and restricted cash, net (1,877) 424 (1,459) Net change in cash, cash equivalents, and restricted cash $ 28,996 $ 85,827 $ (16,232) Our primary requirements for liquidity are paying veterinary invoices, funding and growing our operations, funding our capital requirements, investing in new member acquisition, investing in enhancements to our member experience, and servicing debt.
We define non-GAAP fixed expenses as the total of technology and development expense and general and administrative expense, less stock-based compensation expense, non-recurring transaction and restructuring expense, and development expenses related to exploring and developing new products and offerings that generally are in the pre-revenue stage or not at scale. 42 The following tables present the reconciliation of our non-GAAP financial measures from corresponding GAAP measures for the periods presented (in thousands): Year Ended December 31, 2023 2022 2021 Veterinary invoice expense $ 831,055 $ 649,737 $ 486,062 Less: Stock-based compensation expense (1) (3,450) (4,054) (4,538) Other business cost of paying veterinary invoices (287,858) (212,857) (129,614) Subscription cost of paying veterinary invoices (non-GAAP) $ 539,747 $ 432,826 $ 351,910 % of subscription revenue 75.7 % 72.5 % 71.1 % Other cost of revenue $ 146,534 $ 133,257 $ 108,583 Less: Stock-based compensation expense (1) (1,544) (2,232) (2,610) Other business variable expenses (75,756) (72,453) (57,367) Subscription variable expenses (non-GAAP) $ 69,234 $ 58,572 $ 48,606 % of subscription revenue 9.7 % 9.8 % 9.8 % Technology and development expense $ 21,403 $ 25,133 $ 16,866 General and administrative expense 60,207 39,379 31,893 Less: Stock-based compensation expense (1) (19,869) (17,135) (11,918) Non-recurring transaction or restructuring expenses (2) (4,175) (372) (82) Development expenses (3) (5,100) (7,789) (3,719) Fixed expenses (non-GAAP) $ 52,466 $ 39,216 $ 33,040 % of total revenue 4.7 % 4.3 % 4.7 % New pet acquisition expense $ 77,372 $ 89,500 $ 78,647 Less: Stock-based compensation expense (1) (7,000) (9,116) (9,160) Other business pet acquisition expense (200) (541) (499) Subscription acquisition cost (non-GAAP) $ 70,172 $ 79,843 $ 68,988 % of subscription revenue 9.8 % 13.3 % 13.9 % (1) Trupanion employees may elect to take restricted stock units in lieu of cash payment for their bonuses.
We define non-GAAP fixed expenses as the total of technology and development expense and general and administrative expense, less stock-based compensation expense, non-recurring transaction and restructuring expense, and development expenses related to exploring and developing new products and offerings that generally are in the pre-revenue stage or not at scale. 41 The following tables present the reconciliation of our non-GAAP financial measures from corresponding GAAP measures for the periods presented (in thousands): Year Ended December 31, 2024 2023 2022 Veterinary invoice expense $ 949,148 $ 831,055 $ 649,737 Less: Stock-based compensation expense (1) (3,335) (3,450) (4,054) Other business cost of paying veterinary invoices (4) (324,720) (287,858) (212,857) Subscription cost of paying veterinary invoices (non-GAAP) $ 621,093 $ 539,747 $ 432,826 % of subscription revenue 72.5 % 75.7 % 72.5 % Other cost of revenue $ 157,738 $ 146,534 $ 133,257 Less: Stock-based compensation expense (1) (1,955) (1,544) (2,232) Other business variable expenses (4) (75,050) (75,756) (72,453) Subscription variable expenses (non-GAAP) $ 80,733 $ 69,234 $ 58,572 % of subscription revenue 9.4 % 9.7 % 9.8 % Technology and development expense $ 31,255 $ 21,403 $ 25,133 General and administrative expense 63,731 60,207 39,379 Less: Stock-based compensation expense (1) (19,742) (19,869) (17,135) Non-recurring transaction or restructuring expenses (2) — (4,175) (372) Development expenses (3) (5,624) (5,100) (7,789) Fixed expenses (non-GAAP) $ 69,620 $ 52,466 $ 39,216 % of total revenue 5.4 % 4.7 % 4.3 % New pet acquisition expense $ 71,379 $ 77,372 $ 89,500 Less: Stock-based compensation expense (1) (6,908) (7,000) (9,116) Other business pet acquisition expense (4) (39) (200) (541) Subscription acquisition cost (non-GAAP) $ 64,432 $ 70,172 $ 79,843 % of subscription revenue 7.5 % 9.8 % 13.3 % (1) Trupanion employees may elect to take restricted stock units in lieu of cash payment for their bonuses.
Year Ended December 31, 2023 2022 2021 (in thousands) Revenue: Subscription business $ 712,906 $ 596,610 $ 494,862 Other business 395,699 308,569 204,129 Total revenue 1,108,605 905,179 698,991 Cost of revenue: Subscription business (1) 613,686 497,684 407,664 Other business 363,903 285,310 186,981 Total cost of revenue 977,589 782,994 594,645 Operating expenses: Technology and development (1) 21,403 25,133 16,866 General and administrative (1) 60,207 39,379 31,893 New pet acquisition expense (1) 77,372 89,500 78,647 Depreciation and amortization 12,474 10,921 11,965 Total operating expenses 171,456 164,933 139,371 Gain (loss) from investment in joint venture (219) (253) (171) Operating loss (40,659) (43,001) (35,196) Interest expense 12,077 4,267 10 Other expense (income), net (7,701) (3,072) 14 Loss before income taxes (45,035) (44,196) (35,220) Income tax expense (benefit) (342) 476 310 Net loss $ (44,693) $ (44,672) $ (35,530) (1) Includes stock-based compensation expense as follows: Year Ended December 31, 2023 2022 2021 (in thousands) Cost of revenue $ 5,279 $ 6,484 $ 7,148 Technology and development 2,846 4,742 3,056 General and administrative 17,717 12,831 8,862 New pet acquisition expense 7,319 9,336 9,160 Total stock-based compensation expense $ 33,161 $ 33,393 $ 28,226 48 Year Ended December 31, 2023 2022 2021 (as a percentage of revenue) Revenue 100 % 100 % 100 % Cost of revenue 88 87 85 Operating expenses: Technology and development 2 3 2 General and administrative 5 4 5 New pet acquisition expense 7 10 11 Depreciation and amortization 1 1 2 Total operating expenses 15 18 20 Gain (loss) from investment in joint venture — — — Operating loss (4) (5) (5) Interest expense 1 — — Other expense (income), net (1) — — Loss before income taxes (4) (5) (5) Income tax expense (benefit) — — — Net loss (4) % (5) % (5) % Stock-based compensation expense: Year Ended December 31, 2023 2022 2021 (as a percentage of revenue) Cost of revenue — % 1 % 1 % Technology and development — 1 — General and administrative 2 1 1 New pet acquisition expense 1 1 1 Total stock-based compensation expense 3 % 4 % 4 % Year Ended December 31, 2023 2022 2021 (as a percentage of subscription revenue) Subscription business revenue 100 % 100 % 100 % Subscription business cost of revenue 86 83 82 49 Comparison of the years ended December 31, 2023, 2022, and 2021 Revenue Year Ended December 31, % Change 2023 2022 2021 2023 vs. 2022 2022 vs. 2021 (in thousands, except percentages, pet and per pet data) Revenue: Subscription business $ 712,906 $ 596,610 $ 494,862 19% 21% Other business 395,699 308,569 204,129 28 51 Total revenue $ 1,108,605 $ 905,179 $ 698,991 22 29 Percentage of Revenue by Segment: Subscription business 64 % 66 % 71 % Other business 36 34 29 Total revenue 100 % 100 % 100 % Total pets enrolled (at period end) 1,714,473 1,537,573 1,176,778 12 31 Total subscription pets enrolled (at period end) 991,426 869,862 704,333 14 24 Monthly average revenue per pet $ 65.26 $ 63.82 $ 63.56 2 — Average monthly retention 98.49 % 98.69 % 98.74 % Year ended December 31, 2023 compared to year ended December 31, 2022.
Year Ended December 31, 2024 2023 2022 (in thousands) Revenue: Subscription business $ 856,521 $ 712,906 $ 596,610 Other business 429,163 395,699 308,569 Total revenue 1,285,684 1,108,605 905,179 Cost of revenue: Subscription business 706,851 613,686 497,684 Other business 400,035 363,903 285,310 Total cost of revenue (1) 1,106,886 977,589 782,994 Operating expenses: Technology and development (1) 31,255 21,403 25,133 General and administrative (1) 63,731 60,207 39,379 New pet acquisition expense (1) 71,379 77,372 89,500 Goodwill impairment charges 5,299 — — Depreciation and amortization 16,466 12,474 10,921 Total operating expenses 188,130 171,456 164,933 Gain (loss) from investment in joint venture (182) (219) (253) Operating loss (9,514) (40,659) (43,001) Interest expense 14,498 12,077 4,267 Other expense (income), net (14,374) (7,701) (3,072) Loss before income taxes (9,638) (45,035) (44,196) Income tax expense (benefit) (5) (342) 476 Net loss $ (9,633) $ (44,693) $ (44,672) (1) Includes stock-based compensation expense as follows: Year Ended December 31, 2024 2023 2022 (in thousands) Cost of revenue $ 5,523 $ 5,279 $ 6,484 Technology and development 4,934 2,846 4,742 General and administrative 15,696 17,717 12,831 New pet acquisition expense 7,279 7,319 9,336 Total stock-based compensation expense $ 33,432 $ 33,161 $ 33,393 47 Year Ended December 31, 2024 2023 2022 (as a percentage of revenue) Revenue 100 % 100 % 100 % Cost of revenue 86 88 87 Operating expenses: Technology and development 2 2 3 General and administrative 5 5 4 New pet acquisition expense 6 7 10 Goodwill impairment charges — — — Depreciation and amortization 1 1 1 Total operating expenses 14 15 18 Gain (loss) from investment in joint venture — — — Operating loss (1) (4) (5) Interest expense 1 1 — Other expense (income), net (1) (1) — Loss before income taxes (1) (4) (5) Income tax expense (benefit) — — — Net loss (1) % (4) % (5) % Stock-based compensation expense: Year Ended December 31, 2024 2023 2022 (as a percentage of revenue) Cost of revenue — % — % 1 % Technology and development — — % 1 General and administrative 1 2 % 1 New pet acquisition expense 1 1 % 1 Total stock-based compensation expense 2 % 3 % 4 % Year Ended December 31, 2024 2023 2022 (as a percentage of subscription revenue) Subscription business revenue 100 % 100 % 100 % Subscription business cost of revenue 83 86 83 48 Comparison of the years ended December 31, 2024, 2023, and 2022 Revenue Year Ended December 31, % Change 2024 2023 2022 2024 vs. 2023 2023 vs. 2022 (in thousands, except percentages, pet and per pet data) Revenue: Subscription business $ 856,521 $ 712,906 $ 596,610 20% 19% Other business 429,163 395,699 308,569 8 28 Total revenue $ 1,285,684 $ 1,108,605 $ 905,179 16 22 Percentage of Revenue by Segment: Subscription business 67 % 64 % 66 % Other business 33 36 34 Total revenue 100 % 100 % 100 % Total pets enrolled (at period end) 1,677,570 1,714,473 1,537,573 (2) 12 Total subscription pets enrolled (at period end) 1,041,212 991,426 869,862 5 14 Monthly average revenue per pet $ 72.98 $ 65.26 $ 63.82 12 2 Average monthly retention 98.25 % 98.49 % 98.69 % Year ended December 31, 2024 compared to year ended December 31, 2023.
The following tables reconcile GAAP new pet acquisition expense to non-GAAP net acquisition cost (in thousands) for the years ended December 31, 2023, 2022, and 2021, and for each of the last eight fiscal quarters: Year Ended December 31, 2023 2022 2021 New pet acquisition expense $ 77,372 $ 89,500 $ 78,647 Net of sign-up fee revenue (4,527) (4,984) (4,954) Excluding: Stock-based compensation expense (7,000) (9,116) (9,160) Other business pet acquisition expense (200) (541) (499) Pet acquisition expense for commission-based policies (3,443) (443) — Net acquisition cost $ 62,202 $ 74,416 $ 64,034 Three Months Ended Dec. 31, 2023 Sept. 30, 2023 Jun. 30, 2023 Mar. 31, 2023 Dec. 31, 2022 Sept. 30, 2022 Jun. 30, 2022 Mar. 31, 2022 New pet acquisition expense $ 17,189 $ 17,772 $ 20,769 $ 21,642 $ 22,457 $ 22,434 $ 22,982 $ 21,627 Net of sign-up fee revenue (1,035) (1,084) (1,189) (1,219) (1,191) (1,339) (1,252) (1,202) Excluding: Stock-based compensation expense (1,567) (1,679) (1,722) (2,032) (2,079) (2,108) (2,601) (2,328) Other business pet acquisition expense (77) (10) (62) (51) (65) (181) (186) (109) Pet acquisition expense for commission-based policies (802) (826) (888) (927) (443) — — — Net acquisition cost $ 13,708 $ 14,173 $ 16,908 $ 17,413 $ 18,679 $ 18,806 $ 18,943 $ 17,988 Components of Operating Results General We operate in two business segments: subscription business and other business.
The following tables reconcile GAAP new pet acquisition expense to non-GAAP net acquisition cost (in thousands) for the years ended December 31, 2024, 2023, and 2022, and for each of the last eight fiscal quarters: Year Ended December 31, 2024 2023 2022 New pet acquisition expense $ 71,379 $ 77,372 $ 89,500 Net of sign-up fee revenue (4,061) (4,527) (4,984) Excluding: Stock-based compensation expense (6,908) (7,000) (9,116) Other business pet acquisition expense (39) (200) (541) Pet acquisition expense for commission-based policies (3,345) (3,443) (443) Net acquisition cost $ 57,026 $ 62,202 $ 74,416 Three Months Ended Dec. 31, 2024 Sep. 30, 2024 Jun. 30, 2024 Mar. 31, 2024 Dec. 31, 2023 Sep. 30, 2023 Jun. 30, 2023 Mar. 31, 2023 New pet acquisition expense $ 18,354 $ 18,308 $ 17,874 $ 16,843 $ 17,189 $ 17,772 $ 20,769 $ 21,642 Net of sign-up fee revenue (906) (1,100) (1,036) (1,019) (1,035) (1,084) (1,189) (1,219) Excluding: Stock-based compensation expense (1,482) (1,503) (2,066) (1,857) (1,567) (1,679) (1,722) (2,032) Other business pet acquisition expense (8) (8) (10) (13) (77) (10) (62) (51) Pet acquisition expense for commission-based policies (1,125) (634) (754) (832) (802) (826) (888) (927) Net acquisition cost $ 14,833 $ 15,063 $ 14,008 $ 13,122 $ 13,708 $ 14,173 $ 16,908 $ 17,413 Components of Operating Results General We operate in two reporting segments: subscription business and other business.
This increase was primarily driven by a 24% increase in pet months and a 5% increase in monthly average revenue per pet in this segment. 50 Cost of Revenue Year Ended December 31, % Change 2023 2022 2021 2023 vs. 2022 2022 vs. 2021 (in thousands, except percentages, pet and per pet data) Cost of Revenue: Subscription business: Veterinary invoice expense $ 543,196 $ 436,880 $ 356,448 24% 23% Other cost of revenue 70,490 60,804 51,216 16 19 Total cost of revenue 613,686 497,684 407,664 23 22 Other business: Veterinary invoice expense 287,859 212,857 129,614 35 64 Other cost of revenue 76,044 72,453 57,367 5 26 Total cost of revenue 363,903 285,310 186,981 28 53 Percentage of Revenue by Segment: Subscription business: Veterinary invoice expense 76 % 73 % 72 % Other cost of revenue 10 10 10 Total cost of revenue 86 83 82 Other business: Veterinary invoice expense 73 69 63 Other cost of revenue 19 23 28 Total cost of revenue 92 92 92 Total pets enrolled (at period end) 1,714,473 1,537,573 1,176,778 12 31 Total subscription pets enrolled (at period end) 991,426 869,862 704,333 14 24 Monthly average revenue per pet $ 65.26 $ 63.82 $ 63.56 2 — Year ended December 31, 2023 compared to year ended December 31, 2022.
This increase was primarily driven by a 17% increase in monthly average revenue per pet in this segment, partially offset by a decrease in pet months in this segment primarily reflecting the expected run off of pets we historically insured for a third-party. 49 Cost of Revenue Year Ended December 31, % Change 2024 2023 2022 2024 vs. 2023 2023 vs. 2022 (in thousands, except percentages, pet and per pet data) Cost of Revenue: Subscription business: Veterinary invoice expense $ 624,428 $ 543,196 $ 436,880 15% 24% Other cost of revenue 82,423 70,490 60,804 17 16 Total cost of revenue $ 706,851 $ 613,686 $ 497,684 15 23 Other business: Veterinary invoice expense $ 324,720 $ 287,859 $ 212,857 13 35 Other cost of revenue 75,315 76,044 72,453 (1) 5 Total cost of revenue $ 400,035 $ 363,903 $ 285,310 10 28 Percentage of Revenue by Segment: Subscription business: Veterinary invoice expense 73 % 76 % 73 % Other cost of revenue 10 10 10 Total cost of revenue 83 86 83 Other business: Veterinary invoice expense 76 73 69 Other cost of revenue 18 19 23 Total cost of revenue 94 92 92 Total pets enrolled (at period end) 1,677,570 1,714,473 1,537,573 (2) 12 Total subscription pets enrolled (at period end) 1,041,212 991,426 869,862 5 14 Monthly average revenue per pet $ 72.98 $ 65.26 $ 63.82 12 2 Year ended December 31, 2024 compared to year ended December 31, 2023.
Year Ended December 31, 2023 2022 2021 Total Business: Total pets enrolled (at period end) 1,714,473 1,537,573 1,176,778 Subscription Business: Total subscription pets enrolled (at period end) 991,426 869,862 704,333 Monthly average revenue per pet $ 65.26 $ 63.82 $ 63.56 Lifetime value of a pet, including fixed expenses $ 419 $ 641 $ 717 Average pet acquisition cost (PAC) $ 228 $ 289 $ 287 Average monthly retention 98.49 % 98.69 % 98.74 % Three Months Ended Dec. 31, 2023 Sept. 30, 2023 Jun. 30, 2023 Mar. 31, 2023 Dec. 31, 2022 Sept. 30, 2022 Jun. 30, 2022 Mar. 31, 2022 Total Business: Total pets enrolled (at period end) 1,714,473 1,712,177 1,679,659 1,616,865 1,537,573 1,439,605 1,348,145 1,267,253 Subscription Business: Total subscription pets enrolled (at period end) 991,426 969,322 943,958 906,369 869,862 808,077 770,318 736,691 Monthly average revenue per pet $ 67.07 $ 65.82 $ 64.41 $ 63.58 $ 63.11 $ 63.80 $ 64.26 $ 64.21 Lifetime value of a pet, including fixed expenses $ 419 $ 428 $ 470 $ 541 $ 641 $ 673 $ 713 $ 730 Average pet acquisition cost (PAC) $ 217 $ 212 $ 236 $ 247 $ 283 $ 268 $ 309 $ 301 Average monthly retention 98.49 % 98.55 % 98.61 % 98.65 % 98.69 % 98.71 % 98.74 % 98.75 % Total pets enrolled and total subscription pets enrolled include pet enrollments in European markets, where policies are currently underwritten by third parties and Trupanion is acting as an insurance broker.
Year Ended December 31, 2024 2023 2022 Total Business: Total pets enrolled (at period end) 1,677,570 1,714,473 1,537,573 Subscription Business: Total subscription pets enrolled (at period end) 1,041,212 991,426 869,862 Monthly average revenue per pet $ 72.98 $ 65.26 $ 63.82 Average pet acquisition cost (PAC) $ 235 $ 228 $ 289 Average monthly retention 98.25 % 98.49 % 98.69 % Three Months Ended Dec. 31, 2024 Sep. 30, 2024 Jun. 30, 2024 Mar. 31, 2024 Dec. 31, 2023 Sep. 30, 2023 Jun. 30, 2023 Mar. 31, 2023 Total Business: Total pets enrolled (at period end) 1,677,570 1,688,903 1,699,643 1,708,017 1,714,473 1,712,177 1,679,659 1,616,865 Subscription Business: Total subscription pets enrolled (at period end) 1,041,212 1,032,042 1,020,934 1,006,168 991,426 969,322 943,958 906,369 Monthly average revenue per pet $ 76.02 $ 74.27 $ 71.72 $ 69.79 $ 67.07 $ 65.82 $ 64.41 $ 63.58 Average pet acquisition cost (PAC) $ 261 $ 243 $ 231 $ 207 $ 217 $ 212 $ 236 $ 247 Average monthly retention 98.25 % 98.29 % 98.34 % 98.41 % 98.49 % 98.55 % 98.61 % 98.65 % Total pets enrolled and total subscription pets enrolled include certain pet enrollments in European markets, where policies are currently underwritten by third parties and Trupanion is acting as an insurance broker.