John F Sheridan

CIK 1365369 · View on SEC EDGAR ↗

Insider

First SEC filing: June 2, 2026 · Latest: June 2, 2026

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 72 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

72 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Sept. 6, 2019 TNDM S 10b5-1 9,538 $70.03 $667,946 2,501 Direct -79.23% Disposed -68.2% (price as of 2026-08-21)
Feb. 27, 2019 TNDM S 10b5-1 3,800 $62.53 $237,614 666 Direct -85.09% Disposed -64.4% (price as of 2026-08-21)
Feb. 27, 2019 TNDM S 10b5-1 16,200 $61.91 $1,002,942 4,466 Direct -78.39% Disposed -64.1% (price as of 2026-08-21)
Jan. 25, 2019 TNDM S 10b5-1 20,000 $45.26 $905,200 666 Direct -96.78% Disposed -50.8% (price as of 2026-08-21)
Jan. 2, 2019 TNDM S 15,401 $35.51 $546,890 666 Direct -95.85% Disposed -37.3% (price as of 2026-08-21)
Jan. 2, 2019 TNDM S 4,599 $36.23 $166,622 16,067 Direct -22.25% Disposed -38.6% (price as of 2026-08-21)
Dec. 31, 2018 TNDM S 788 $37.81 $29,794 666 Direct -54.20% Disposed -41.2% (price as of 2026-08-21)
Aug. 1, 2016 TNDM S 15,000 $6.52 $97,800 7,763 Direct -65.90% Disposed -65.9% (price as of 2026-08-21)
May 2, 2016 TNDM S 10b5-1 2,000 $10.61 $21,220 5,295 Direct -27.42% Disposed -79.0% (price as of 2026-08-21)
April 22, 2016 TNDM S 10b5-1 2,000 $10.00 $20,000 5,295 Direct -27.42% Disposed -77.8% (price as of 2026-08-21)
March 7, 2016 TNDM S 10b5-1 4,000 $10.01 $40,040 5,295 Direct -43.03% Disposed -77.8% (price as of 2026-08-21)
Jan. 4, 2016 TNDM S 10b5-1 2,000 $11.47 $22,940 5,295 Direct -27.42% Disposed -80.6% (price as of 2026-08-21)
Jan. 4, 2016 TNDM S 10b5-1 2,000 $11.47 $22,940 3,295 Direct -37.77% Disposed -80.6% (price as of 2026-08-21)
Dec. 1, 2015 TNDM S 10b5-1 2,000 $10.14 $20,280 4,084 Direct -32.87% Disposed -78.1% (price as of 2026-08-21)
Nov. 2, 2015 TNDM S 10b5-1 4,000 $10.00 $40,000 4,084 Direct -49.48% Disposed -77.8% (price as of 2026-08-21)
Sept. 14, 2015 TNDM S 10b5-1 2,000 $12.51 $25,020 4,084 Direct -32.87% Disposed -82.2% (price as of 2026-08-21)
Aug. 6, 2015 TNDM S 17,500 $12.19 $213,325 4,084 Direct -81.08% Disposed -81.7% (price as of 2026-08-21)
Aug. 5, 2015 TNDM S 17,500 $12.70 $222,250 4,084 Direct -81.08% Disposed -82.5% (price as of 2026-08-21)
May 1, 2015 TNDM S 10b5-1 2,000 $13.72 $27,440 2,235 Direct -47.23% Disposed -83.8% (price as of 2026-08-21)
April 1, 2015 TNDM S 10b5-1 2,000 $12.47 $24,940 2,235 Direct -47.23% Disposed -82.2% (price as of 2026-08-21)
March 2, 2015 TNDM S 10b5-1 2,000 $11.76 $23,520 2,235 Direct -47.23% Disposed -81.1% (price as of 2026-08-21)
Feb. 2, 2015 TNDM S 10b5-1 2,000 $12.06 $24,120 2,235 Direct -47.23% Disposed -81.6% (price as of 2026-08-21)
Jan. 2, 2015 TNDM S 10b5-1 2,000 $12.75 $25,500 2,235 Direct -47.23% Disposed -82.5% (price as of 2026-08-21)
Dec. 1, 2014 TNDM S 10b5-1 2,000 $13.55 $27,100 2,235 Direct -47.23% Disposed -83.6% (price as of 2026-08-21)
Nov. 3, 2014 TNDM S 10b5-1 2,000 $16.00 $32,000 1,198 Direct -62.54% Disposed -86.1% (price as of 2026-08-21)
Oct. 1, 2014 TNDM S 10b5-1 2,000 $13.07 $26,140 1,198 Direct -62.54% Disposed -83.0% (price as of 2026-08-21)
Sept. 2, 2014 TNDM S 10b5-1 2,000 $13.99 $27,980 1,198 Direct -62.54% Disposed -84.1% (price as of 2026-08-21)
Aug. 1, 2014 TNDM S 10b5-1 2,000 $15.04 $30,080 1,198 Direct -62.54% Disposed -85.2% (price as of 2026-08-21)

Showing latest 100 of 108 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.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Aug. 15, 2026 TNDM Restricted Stock Unit [F2] Common Stock (5,982) — — 5,982 Disposed
Aug. 15, 2026 TNDM Restricted Stock Unit [F5] Common Stock (9,934) — — 9,934 Disposed
Sept. 6, 2019 TNDM Stock Option Common Stock (9,538) $2.59 — 9,538 Disposed
Feb. 27, 2019 TNDM Common Stock Common Stock (1,667) $9.00 May 17, 2027 1,667 Disposed
Feb. 27, 2019 TNDM Common Stock Common Stock (18,333) $2.59 Dec. 1, 2027 18,333 Disposed
Feb. 25, 2019 TNDM Common Stock [F4] Common Stock (105,000) $48.36 — 105,000 Acquired
Feb. 15, 2019 TNDM Stock Option [F1] Common Stock (105,000) $51.50 — 105,000 Acquired
Jan. 25, 2019 TNDM Stock Option Common Stock (20,000) $2.59 Dec. 1, 2027 20,000 Disposed
Jan. 2, 2019 TNDM Stock Option Common Stock (20,000) $2.59 Dec. 1, 2027 20,000 Disposed
June 14, 2018 TNDM Stock Options [F1] Common Stock (100,000) $18.86 — 100,000 Acquired
Dec. 1, 2017 TNDM Stock Opotion [F1] Common Stock (100,000) $2.59 — 100,000 Acquired
May 17, 2017 TNDM Stock Options [F1] Common Stock (105,000) $0.90 — 105,000 Acquired
Dec. 16, 2016 TNDM Stock Options [F1] Common Stock (169,200) $2.30 — 169,200 Acquired
Aug. 1, 2016 TNDM Stock Options Common Stock (15,000) $1.11 April 23, 2023 15,000 Disposed
May 2, 2016 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
April 22, 2016 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
March 7, 2016 TNDM Stock Options Common Stock (4,000) $1.11 April 23, 2023 4,000 Disposed
Feb. 16, 2016 TNDM Stock Options [F1] Common Stock (84,600) $6.95 — 84,600 Acquired
Jan. 4, 2016 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
Jan. 4, 2016 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
Dec. 1, 2015 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
Nov. 2, 2015 TNDM Stock Options Common Stock (4,000) $1.11 April 23, 2023 4,000 Disposed
Sept. 14, 2015 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
Aug. 6, 2015 TNDM Stock Options Common Stock (17,500) $1.11 April 23, 2023 17,500 Disposed
Aug. 5, 2015 TNDM Stock Options Common Stock (17,500) $1.11 April 23, 2023 17,500 Disposed
May 21, 2015 TNDM Stock Options [F3] Common Stock (56,400) $11.92 — 56,400 Acquired
May 1, 2015 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
April 1, 2015 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
March 2, 2015 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
Feb. 2, 2015 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
Jan. 2, 2015 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
Dec. 1, 2014 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
Nov. 3, 2014 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2014 2,000 Disposed
Oct. 1, 2014 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
Sept. 2, 2014 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
Aug. 1, 2014 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
July 1, 2014 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
June 18, 2014 TNDM Stock Options Common Stock (2,000) $1.11 April 23, 2023 2,000 Disposed
Nov. 13, 2013 TNDM Stock Option [F1] Common Stock (99,000) $15.00 — 99,000 Acquired

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

Initial ownership (Form 3) 1 holding

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

Date Ticker Security Shares Ownership
Nov. 13, 2013 TNDM Incentive Stock Option [F1]→ Common Stock (179,040) 179,040 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

TNDM

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2020 $600,000 $60,385 — — $422,692 — $7,715 $3,790,739
2019 $500,000 — — — $738,225 — $3,578 $10,560,937
2018 $386,250 — — $1,197,532 $350,863 — $2,772 $1,937,417

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.