Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 13 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

13 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 5, 2019 TNDM S 1,675 $61.92 $103,716 30,000 Indirect -5.29% Disposed -73.4% (price as of 2026-10-02)
Aug. 5, 2019 TNDM S 8,325 $61.42 $511,322 31,675 Indirect -20.81% Disposed -73.1% (price as of 2026-10-02)
Feb. 28, 2019 TNDM S 2,400 $66.21 $158,904 40,000 Indirect -5.66% Disposed -75.1% (price as of 2026-10-02)
Feb. 28, 2019 TNDM S 5,600 $65.68 $367,808 42,400 Indirect -11.67% Disposed -74.9% (price as of 2026-10-02)
Feb. 28, 2019 TNDM S 800 $64.30 $51,440 48,000 Indirect -1.64% Disposed -74.3% (price as of 2026-10-02)
Feb. 28, 2019 TNDM S 1,200 $63.11 $75,732 48,800 Indirect -2.40% Disposed -73.9% (price as of 2026-10-02)
Nov. 6, 2018 TNDM S 11,787 $36.53 $430,579 50,000 Indirect -19.08% Disposed -54.8% (price as of 2026-10-02)
Feb. 9, 2018 TNDM P 50,000 $2.00 $100,000 61,787 Indirect +424.20% Acquired 725.0% (price as of 2026-10-02)
Aug. 3, 2015 TNDM S 20,000 $12.70 $254,000 117,865 Indirect -14.51% Disposed -87.0% (price as of 2026-10-02)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 18, 2019 TNDM Stock Option [F1] Common Stock (3,732) $64.66 · 3,732 Acquired
Nov. 15, 2018 TNDM Stock Option [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 D Preferred Stock Common Stock · · 174,692 Disposed
Nov. 19, 2013 TNDM Series C Preferred Stock Common Stock · · 16,491 Disposed
Nov. 19, 2013 TNDM Series B Preferred Stock Common Stock · · 25,555 Disposed
Nov. 19, 2013 TNDM Series A Preferred Stock Common Stock · · 12,271 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) 9 holdings

07

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

DateTickerSecuritySharesOwnership
Nov. 13, 2013 TNDM Common Stock 1,193 Indirect
Nov. 13, 2013 TNDM Series A Preferred Stock→ Common Stock (7,323) 7,323 Indirect
Nov. 13, 2013 TNDM Series B Preferred Stock→ Common Stock (15,251) 15,251 Indirect
Nov. 13, 2013 TNDM Series C Preferred Stock→ Common Stock (9,842) 9,842 Indirect
Nov. 13, 2013 TNDM Series D Preferred Stock→ Common Stock (104,256) 104,256 Indirect
Nov. 13, 2013 TNDM Preferred Stock Warrant→ Series D Preferred Stock [F5] · Indirect
Nov. 13, 2013 TNDM Preferred Stock Warrant→ Series D Preferred Stock [F6] · Indirect
Nov. 13, 2013 TNDM Preferred Stock Warrant→ Series D Preferred Stock [F7] · Indirect
Nov. 13, 2013 TNDM Stock Option [F8]→ Common Stock (16,710) 16,710 Direct