Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 61 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

61 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 30, 2024 TNDM S 5,000 $51.68 $258,400 0 Indirect -100.00% Disposed -68.1% (price as of 2026-10-02)
Nov. 27, 2023 TNDM P 5,000 $18.96 $94,800 19,962 Direct +33.42% Acquired -13.0% (price as of 2026-10-02)
May 18, 2023 TNDM P 10,000 $29.47 $294,700 12,205 Direct +453.51% Acquired -44.0% (price as of 2026-10-02)
July 30, 2021 TNDM S 10b5-1 2,526 $107.00 $270,282 5,000 Indirect -33.56% Disposed -84.6% (price as of 2026-10-02)
Nov. 9, 2020 TNDM S 5,259 $106.98 $562,608 45,173 Indirect -10.43% Disposed -84.6% (price as of 2026-10-02)
Nov. 9, 2020 TNDM S 10,695 $107.61 $1,150,889 34,478 Indirect -23.68% Disposed -84.7% (price as of 2026-10-02)
Nov. 9, 2020 TNDM S 4,478 $108.53 $485,997 30,000 Indirect -12.99% Disposed -84.8% (price as of 2026-10-02)
May 7, 2020 TNDM S 10b5-1 2,500 $89.00 $222,500 7,526 Indirect -24.94% Disposed -81.5% (price as of 2026-10-02)
May 7, 2020 TNDM S 10b5-1 500 $89.00 $44,500 1,000 Indirect -33.33% Disposed -81.5% (price as of 2026-10-02)
May 7, 2020 TNDM S 10b5-1 500 $89.00 $44,500 1,000 Indirect -33.33% Disposed -81.5% (price as of 2026-10-02)
Feb. 26, 2020 TNDM S 380 $78.82 $29,952 10,026 Indirect -3.65% Disposed -79.1% (price as of 2026-10-02)
Feb. 26, 2020 TNDM S 2,599 $78.82 $204,853 37,179 Indirect -6.53% Disposed -79.1% (price as of 2026-10-02)
Jan. 29, 2020 TNDM S 10b5-1 1,671 $75.56 $126,261 0 Direct -100.00% Disposed -78.2% (price as of 2026-10-02)
Jan. 29, 2020 TNDM S 10b5-1 1,700 $76.00 $129,200 0 Direct -100.00% Disposed -78.3% (price as of 2026-10-02)
Jan. 29, 2020 TNDM S 10b5-1 5,300 $75.95 $402,535 0 Direct -100.00% Disposed -78.3% (price as of 2026-10-02)
Jan. 29, 2020 TNDM S 10b5-1 1,700 $76.15 $129,455 0 Direct -100.00% Disposed -78.3% (price as of 2026-10-02)
May 2, 2019 TNDM S 4,000 $61.37 $245,480 10,000 Indirect -28.57% Disposed -73.1% (price as of 2026-10-02)
May 2, 2019 TNDM S 12,000 $61.34 $736,080 40,000 Indirect -23.08% Disposed -73.1% (price as of 2026-10-02)
May 2, 2019 TNDM S 500 $61.31 $30,655 1,500 Indirect -25.00% Disposed -73.1% (price as of 2026-10-02)
May 2, 2019 TNDM S 500 $61.20 $30,600 1,500 Indirect -25.00% Disposed -73.0% (price as of 2026-10-02)
March 8, 2019 TNDM S 300 $63.21 $18,963 14,000 Indirect -2.10% Disposed -73.9% (price as of 2026-10-02)
March 8, 2019 TNDM S 3,803 $62.79 $238,790 14,300 Indirect -21.01% Disposed -73.7% (price as of 2026-10-02)
March 8, 2019 TNDM S 418 $62.53 $26,138 2,000 Indirect -17.29% Disposed -73.6% (price as of 2026-10-02)
March 8, 2019 TNDM S 418 $62.53 $26,138 2,000 Indirect -17.29% Disposed -73.6% (price as of 2026-10-02)
March 8, 2019 TNDM S 6,300 $62.29 $392,427 0 Indirect -100.00% Disposed -73.5% (price as of 2026-10-02)
March 8, 2019 TNDM S 200 $63.22 $12,644 0 Direct -100.00% Disposed -73.9% (price as of 2026-10-02)
March 8, 2019 TNDM S 6,100 $62.71 $382,531 200 Direct -96.83% Disposed -73.7% (price as of 2026-10-02)
Nov. 5, 2018 TNDM S 11,160 $38.11 $425,308 52,000 Indirect -17.67% Disposed -56.7% (price as of 2026-10-02)
Nov. 5, 2018 TNDM S 3,898 $37.75 $147,150 18,103 Indirect -17.72% Disposed -56.3% (price as of 2026-10-02)
Nov. 5, 2018 TNDM S 82 $37.88 $3,106 2,418 Indirect -3.28% Disposed -56.4% (price as of 2026-10-02)
Nov. 5, 2018 TNDM S 82 $37.96 $3,113 2,418 Indirect -3.28% Disposed -56.5% (price as of 2026-10-02)
March 6, 2018 TNDM P 2,418 $3.96 $9,575 2,500 Indirect +2948.78% Acquired 316.7% (price as of 2026-10-02)
March 6, 2018 TNDM P 8,103 $3.84 $31,116 22,001 Indirect +58.30% Acquired 329.7% (price as of 2026-10-02)
March 6, 2018 TNDM P 6,300 $3.88 $24,444 6,300 Direct · Acquired 325.3% (price as of 2026-10-02)
March 6, 2018 TNDM P 6,300 $3.89 $24,507 6,300 Indirect · Acquired 324.2% (price as of 2026-10-02)
March 6, 2018 TNDM P 2,418 $3.96 $9,575 2,500 Indirect +2948.78% Acquired 316.7% (price as of 2026-10-02)
Feb. 9, 2018 TNDM P 10,000 $2.00 $20,000 13,898 Indirect +256.54% Acquired 725.0% (price as of 2026-10-02)
Feb. 9, 2018 TNDM P 50,000 $2.00 $100,000 63,160 Indirect +379.94% Acquired 725.0% (price as of 2026-10-02)
Feb. 26, 2016 TNDM P 10,000 $8.24 $82,400 131,598 Indirect +8.22% Acquired -80.0% (price as of 2026-10-02)

Showing latest 100 of 118 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
May 21, 2026 TNDM Restricted Stock Unit Common Stock (8,759) · · 8,759 Disposed
May 20, 2026 TNDM Restricted Stock Unit Common Stock (10,220) · · 10,220 Acquired
May 22, 2025 TNDM Restricted Stock Unit [F3] Common Stock (4,387) · · 4,387 Disposed
May 21, 2025 TNDM Restricted Stock Unit [F6] Common Stock (8,759) · · 8,759 Acquired
May 24, 2024 TNDM Restricted Stock Unit [F7] Common Stock (4,434) · · 4,434 Disposed
May 22, 2024 TNDM Restricted Stock Unit [F4] Common Stock (4,387) · · 4,387 Acquired
May 25, 2023 TNDM Restricted Stock Unit [F7] Common Stock (2,757) · · 2,757 Disposed
May 24, 2023 TNDM Restricted Stock Unit [F4] Common Stock (4,434) · · 4,434 Acquired
May 25, 2022 TNDM Restricted Stock Unit [F5] Common Stock (2,757) · · 2,757 Acquired
May 18, 2022 TNDM Restricted Stock Unit [F5] Common Stock (2,205) · · 2,205 Acquired
May 27, 2021 TNDM Restricted Stock Unit [F5] Common Stock (1,892) · · 1,892 Disposed
May 18, 2021 TNDM Restricted Stock Unit [F1] Common Stock (2,205) · · 2,205 Acquired
Nov. 9, 2020 TNDM Stock Option Common Stock (3,732) $64.66 · 3,732 Disposed
Nov. 9, 2020 TNDM Stock Option Common Stock (15,000) $33.12 · 15,000 Disposed
Nov. 9, 2020 TNDM Stock Option Common Stock (1,700) $101.30 · 1,700 Disposed
May 27, 2020 TNDM Restricted Stock Unit [F1] Common Stock (1,892) · · 1,892 Acquired
Feb. 26, 2020 TNDM Warrant Common Stock (406) $73.73 · 406 Disposed
Feb. 26, 2020 TNDM Warrant Common Stock (2,778) $73.73 · 2,778 Disposed
Jan. 29, 2020 TNDM Common Stock Stock Option (1,671) $11.06 · 1,671 Disposed
Jan. 29, 2020 TNDM Common Stock Stock Option (1,700) $19.00 · 1,700 Disposed
Jan. 29, 2020 TNDM Common Stock Stock Option (5,300) $2.59 · 5,300 Disposed
Jan. 29, 2020 TNDM Common Stock Stock Option (1,700) $2.54 · 1,700 Disposed
June 18, 2019 TNDM Stock Option [F1] Common Stock (3,732) $64.66 · 3,732 Acquired
Nov. 15, 2018 TNDM Stock Options [F1] Common Stock (25,000) $33.12 · 25,000 Acquired
Dec. 1, 2017 TNDM Stock Option [F1] Common Stock (5,300) $2.59 · 5,300 Acquired
Nov. 15, 2017 TNDM Stock Options [F1] Common Stock (1,700) $2.54 · 1,700 Acquired
Nov. 15, 2016 TNDM Stock Options [F1] Common Stock (17,000) $1.90 · 17,000 Acquired
Nov. 16, 2015 TNDM Stock Options [F1] Common Stock (17,000) $10.13 · 17,000 Acquired
Nov. 17, 2014 TNDM Stock Options [F1] Common Stock (17,000) $14.53 · 17,000 Acquired
Nov. 19, 2013 TNDM Series B Preferred Stock Common Stock · · 22,215 Disposed
Nov. 19, 2013 TNDM Series D Preferred Stock Common Stock · · 1,000 Disposed
Nov. 19, 2013 TNDM Series D Preferred Stock Common Stock · · 1,000 Disposed
Nov. 19, 2013 TNDM Series D Preferred Stock Common Stock · · 48,044 Disposed
Nov. 19, 2013 TNDM Series D Preferred Stock Common Stock · · 83,854 Disposed
Nov. 19, 2013 TNDM Series C Preferred Stock Common Stock · · 8,245 Disposed
Nov. 19, 2013 TNDM Series C Preferred Stock Common Stock · · 16,491 Disposed
Nov. 19, 2013 TNDM Series B Preferred Stock Common Stock · · 1,682 Disposed
Nov. 19, 2013 TNDM Series A Preferred Stock Common Stock · · 6,185 Disposed
Nov. 19, 2013 TNDM Series A Preferred Stock Common Stock · · 64,435 Disposed
Nov. 13, 2013 TNDM Stock Option [F1] Common Stock (17,000) $15.00 · 17,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 20 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Nov. 13, 2013 TNDM Common Stock 687 Indirect
Nov. 13, 2013 TNDM Common Stock 223 Indirect
Nov. 13, 2013 TNDM Common Stock 223 Indirect
Nov. 13, 2013 TNDM Series A Preferred Stock→ Common Stock (38,454) 38,454 Indirect
Nov. 13, 2013 TNDM Series A Preferred Stock→ Common Stock (3,691) 3,691 Indirect
Nov. 13, 2013 TNDM Series B Preferred Stock→ Common Stock (13,258) 13,258 Indirect
Nov. 13, 2013 TNDM Series B Preferred Stock→ Common Stock (1,004) 1,004 Indirect
Nov. 13, 2013 TNDM Series C Preferred Stock→ Common Stock (9,842) 9,842 Indirect
Nov. 13, 2013 TNDM Series C Preferred Stock→ Common Stock (4,921) 4,921 Indirect
Nov. 13, 2013 TNDM Series D Preferred Stock→ Common Stock (50,044) 50,044 Indirect
Nov. 13, 2013 TNDM Series D Preferred Stock→ Common Stock (28,672) 28,672 Indirect
Nov. 13, 2013 TNDM Series D Preferred Stock→ Common Stock (596) 596 Indirect
Nov. 13, 2013 TNDM Series D Preferred Stock→ Common Stock (596) 596 Indirect
Nov. 13, 2013 TNDM Preferred Stock Warrant→ Common Stock [F8] · Indirect
Nov. 13, 2013 TNDM Preferred Stock Warrant→ Common Stock [F9] · Indirect
Nov. 13, 2013 TNDM Preferred Stock Warrant→ Common Stock [F10] · Indirect
Nov. 13, 2013 TNDM Preferred Stock Warrant→ Common Stock [F11] · Indirect
Nov. 13, 2013 TNDM Preferred Stock Warrant→ Common Stock [F12] · Indirect
Nov. 13, 2013 TNDM Preferred Stock Warrant→ Series D Preferred Stock [F13] · Indirect
Nov. 13, 2013 TNDM Stock Option [F14]→ Common Stock (16,710) 16,710 Direct