$16−0.09% vs prior closeFinazon · prior-day close, indicative (IEX-derived, not the official close) · Oct 15, 2026
Reddit mentioned TNDM 10 times in the 30 days to 16 October 2026, in 1 of the communities we track. All of them were scored for sentiment: 80% read bullish, 10% bearish and 10% neither. Reddit data updated 16 October 2026.
Price · Chart
58 sessions
$25.0$15.027 Jul15 Oct
The line runs $17.17 on 27 July through $16 on 15 October, on a scale from $15.0 to $25.0. Days the market did not trade hold the previous close, flat.
per day0246usd$15$16$17$1817 Sep24 Sep2 Oct9 Oct16 Oct
17 Sep2 Oct16 Oct
The Distributed Sentinel 16 Oct 2026
Reddit's attention on TNDM arrived in one burst — 5 of this window's 10 mentions landed on 17 September alone
TNDM drew 14 Reddit mentions over the 90 days to 16 October 2026
This chart in words
The chart plots daily Reddit mentions of TNDM over the 30 days to 16 October 2026: 10 in total, busiest on 17 September with 5, and 1 on the last day counted. The line is the daily close over the same window: $17.22 on 17 September, $16 on 15 October. Of those days, 21 were trading sessions and the other 9 are hatched on the chart. On 8 of them no session took place, and the last close before it is carried forward rather than plotted; on 1 of them we hold no close at all, which is a gap in our own record rather than a closure we can prove.
The chart plots daily Reddit mentions of TNDM over the 90 days to 16 October 2026: 14 in total, busiest on 17 September with 5, and 1 on the last day counted. The line is the daily close over the same window: $17.17 on 27 July, $16 on 15 October. Of those days, 58 were trading sessions and the other 32 are hatched on the chart. On 23 of them no session took place, and the last close before it is carried forward rather than plotted; on 3 of them no session took place, and this window holds no earlier close to carry forward; on 6 of them we hold no close at all, which is a gap in our own record rather than a closure we can prove.
886k in on TNDM!
r/wallstreetbets · by u/Pretty_Gate_7675 · carried 6 mentions of the 30-day mentions · 4 weeks ago
Live discussion on Reddit, shown as posted. Titles link to the original threads.
TNDM insider trades
SEC Form 4 · last 90 days · newest Form 4 filing 15 Aug 2026
Open-market buys0
Open-market sells0
Non-trade filings14
Compensation mechanics
Share grants, option exercises, tax withholding and transfers. They reach the same Form 4 as a trade, but they are not the insider buying or selling on the open market, so no purchase or sale value applies to them.
DateInsiderTypeSharesValue
15 Aug 2026Carpenter RickEVP & Chief Technology OfficerOption exercise2,507
15 Aug 2026Carpenter RickEVP & Chief Technology OfficerTax withheld1,277$29K
15 Aug 2026Gasser Elizabeth AnneEVP, Chief Strategy OfficerOption exercise3,014
15 Aug 2026Gasser Elizabeth AnneEVP, Chief Strategy OfficerTax withheld1,618$37K
15 Aug 2026Hansen Shannon MarieEVP & Chief Legal OfficerOption exercise3,014
15 Aug 2026Hansen Shannon MarieEVP & Chief Legal OfficerTax withheld1,535$35K
15 Aug 2026Kyrillos Jean-ClaudeEVP & Chief Operating OfficerOption exercise1,010
15 Aug 2026Kyrillos Jean-ClaudeEVP & Chief Operating OfficerTax withheld535$12K
15 Aug 2026Morrison SusanEVP & Chief Admin. OfficerOption exercise2,827
15 Aug 2026Morrison SusanEVP & Chief Admin. OfficerTax withheld809$18K
15 Aug 2026Sheridan John FPRESIDENT & CEOOption exercise15,916
15 Aug 2026Sheridan John FPRESIDENT & CEOTax withheld8,099$184K
Showing the 12 most recent of 14 compensation filings in this window. The figures above count all of them.
8 of the 45 institutional funds we track reported a TNDM position for the quarter ended 30 Jun 2026 — a combined $88.2M; the latest of those filings landed 02 Sep 2026.
The most recent congressional trade disclosed in TNDM is a purchase by Gilbert Ray Cisneros, Jr. (house, CA), dated 29 Sep 2026.
DateMemberTypeAmount
29 Sep 2026 filed 12 Oct 2026
Gilbert Ray Cisneros, Jr. house · Democrat–CA
Purchase
$1K–$15K
03 Mar 2026 filed 07 Apr 2026
Gilbert Ray Cisneros, Jr. house · Democrat–CA
Purchase
$1K–$15K
22 Sep 2025 filed 15 Oct 2025
Josh Gottheimer house · Democrat–NJ
Purchase
$1K–$15K
19 Mar 2025 filed 10 Apr 2025
Josh Gottheimer house · Democrat–NJ
Sale
$1K–$15K
04 Mar 2025 filed 07 Apr 2025
Gilbert Ray Cisneros, Jr. house · Democrat–CA
Purchase
$1K–$15K
05 Aug 2024 filed 11 Sep 2024
Josh Gottheimer house · Democrat–NJ
Purchase
$1K–$15K
12 Jul 2023 filed 13 Aug 2023
Daniel S. Goldman house · Democrat–NY
Sale
$1K–$15K
TNDM — frequently asked questions
From live data
Is Reddit bullish or bearish on TNDM?
Across 10 classified TNDM mentions in the last 30 days, 80% read bullish, 10% bearish and 10% neutral. Crowd sentiment is a social signal, not investment advice.
When did TNDM last report earnings?
Tandem Diabetes Care (TNDM) last reported earnings on 30 Jun 2026 for Q2 2026, per SEC filings.
Are TNDM insiders buying or selling?
SEC Form 4 filings over the last 90 days show 0 buys and 0 sells by TNDM insiders on the open market. A further 14 filings were grants, awards, gifts or exercises rather than open-market trades.
What exchange is TNDM listed on?
Tandem Diabetes Care trades on NASDAQ under the ticker TNDM.
Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.
Sources
Finazonprior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
TradingViewthe price chart widget, drawn by TradingView from their own data
RedditReddit ingest across the tracked finance subreddits
SEC EDGARSEC EDGAR XBRL company facts · latest period ended 30 Jun 2026
SEC EDGARSEC EDGAR 13F filings
SECSEC fails-to-deliver (CNS) data
House disclosuresU.S. House of Representatives financial disclosures
SEC EDGARValuation computed from SEC EDGAR filings
bullish
bullish