TNDM · Tandem Diabetes Care Inc · Off Exchange

$20.07 +2.56 (+14.62%) At close · Nov 13 Play latest call Q3 2026 earnings call transcript

S&P 600 member Russell 2000 member Rebalance outlook locked

Market Cap

$1.40B

69.79M

Volume · Nov 13 4.4M Avg daily vol (3M) 2.21M

Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.

1M 3M 6M 1Y 5Y All

Off-Exchange Volume History

Week Start	ATS Volume	Non-ATS OTC Volume	Total Off-Exchange	% of FINRA Weekly Volume
2026-10-05	2,723,420	1,074,423	3,797,843	38.4%
2026-09-28	3,409,504	1,567,377	4,976,881	43.1%
2026-09-21	3,630,441	2,466,114	6,096,555	46.6%
2026-09-14	3,393,967	1,935,623	5,329,590	41.2%
2026-09-07	2,194,931	777,143	2,972,074	45.1%
2026-08-31	2,026,355	942,896	2,969,251	44.5%
2026-08-24	1,643,272	818,470	2,461,742	46.3%
2026-08-17	3,033,934	1,740,930	4,774,864	52.3%
2026-08-10	2,790,252	1,128,458	3,918,710	44.0%
2026-08-03	6,114,338	2,929,683	9,044,021	48.0%
2026-07-27	2,643,076	1,160,424	3,803,500	41.2%
2026-07-20	1,822,506	1,671,915	3,494,421	46.8%
2026-07-13	2,103,960	1,409,232	3,513,192	38.0%
2026-07-06	1,891,144	872,612	2,763,756	38.8%
2026-06-29	1,339,266	917,247	2,256,513	40.6%
2026-06-22	3,161,842	2,896,505	6,058,347	43.8%
2026-06-15	1,526,346	1,647,776	3,174,122	38.6%
2026-06-08	3,682,857	2,369,492	6,052,349	42.9%
2026-06-01	3,795,712	3,594,288	7,390,000	52.3%
2026-05-25	3,500,714	3,300,920	6,801,634	53.8%
2026-05-18	3,772,899	3,084,133	6,857,032	52.0%
2026-05-11	5,281,528	3,495,671	8,777,199	50.1%
2026-05-04	4,968,914	3,531,001	8,499,915	50.0%
2026-04-27	2,353,863	1,640,858	3,994,721	46.1%
2026-04-20	1,942,828	1,202,374	3,145,202	42.2%
2026-04-13	2,483,920	1,461,974	3,945,894	48.1%
2026-04-06	1,906,257	978,316	2,884,573	40.5%
2026-03-30	1,862,566	842,366	2,704,932	39.9%
2026-03-23	2,850,245	1,557,755	4,408,000	45.9%
2026-03-16	3,265,882	2,372,896	5,638,778	47.4%
2026-03-09	2,863,120	1,536,390	4,399,510	48.7%
2026-03-02	2,043,019	1,907,777	3,950,796	44.9%
2026-02-23	6,096,918	8,241,298	14,338,216	56.4%
2026-02-16	5,628,340	4,451,658	10,079,998	57.8%
2026-02-09	1,486,092	470,719	1,956,811	40.1%
2026-02-02	1,474,784	728,374	2,203,158	44.3%
2026-01-26	1,663,327	1,416,451	3,079,778	45.8%
2026-01-19	1,688,213	966,450	2,654,663	46.8%
2026-01-12	1,845,040	1,223,406	3,068,446	47.9%
2026-01-05	2,038,093	1,120,562	3,158,655	42.9%
2025-12-29	800,477	526,155	1,326,632	40.6%
2025-12-22	1,131,936	580,045	1,711,981	41.0%
2025-12-15	1,835,826	2,560,339	4,396,165	46.3%
2025-12-08	2,396,414	2,308,593	4,705,007	51.9%
2025-12-01	2,590,538	1,371,817	3,962,355	44.7%
2025-11-24	2,110,983	3,151,209	5,262,192	56.2%
2025-11-17	3,498,539	5,513,495	9,012,034	56.0%

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Key facts CIK 1438133 CUSIP 875372203 13F (30d) 215 filings 190 filers Visit website Investor relations