David B Berger

CIK 1422126 · View on SEC EDGAR ↗

Insider

First SEC filing: Nov. 13, 2013 · Latest: Nov. 13, 2013

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 38 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

38 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Sept. 3, 2019 TNDM S 10b5-1 2,000 $72.00 $144,000 3,311 Direct -37.66% Disposed -67.6% (price as of 2026-08-20)
Aug. 5, 2019 TNDM S 10b5-1 2,000 $62.56 $125,120 3,311 Direct -37.66% Disposed -62.7% (price as of 2026-08-20)
July 3, 2019 TNDM S 10b5-1 2,000 $63.60 $127,200 3,311 Direct -37.66% Disposed -63.3% (price as of 2026-08-20)
June 3, 2019 TNDM S 10b5-1 2,000 $67.76 $135,520 3,311 Direct -37.66% Disposed -65.5% (price as of 2026-08-20)
May 3, 2019 TNDM S 10b5-1 2,000 $63.09 $126,180 1,765 Direct -53.12% Disposed -63.0% (price as of 2026-08-20)
April 3, 2019 TNDM S 10b5-1 2,000 $62.60 $125,200 1,765 Direct -53.12% Disposed -62.7% (price as of 2026-08-20)
Jan. 8, 2019 TNDM S 10b5-1 10,000 $40.08 $400,800 1,765 Direct -85.00% Disposed -41.7% (price as of 2026-08-20)
Dec. 6, 2018 TNDM S 10b5-1 1,493 $34.85 $52,031 200 Indirect -88.19% Disposed -33.0% (price as of 2026-08-20)
Dec. 6, 2018 TNDM S 10b5-1 10,000 $34.50 $345,000 1,765 Direct -85.00% Disposed -32.3% (price as of 2026-08-20)
Dec. 6, 2018 TNDM S 10b5-1 1,493 $34.85 $52,031 200 Indirect -88.19% Disposed -33.0% (price as of 2026-08-20)
Dec. 6, 2018 TNDM S 10b5-1 10,000 $34.50 $345,000 1,765 Direct -85.00% Disposed -32.3% (price as of 2026-08-20)
Nov. 13, 2013 TNDM P 2,000 $15.00 $30,000 2,000 Direct — Acquired -84.4% (price as of 2026-08-20)

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
Sept. 3, 2019 TNDM Stock Option Common Stock (2,000) $2.59 — 2,000 Acquired
Aug. 5, 2019 TNDM Stock Option Common Stock (2,000) $2.59 — 2,000 Acquired
July 3, 2019 TNDM Stock Option Common Stock (2,000) $2.59 — 2,000 Disposed
June 3, 2019 TNDM Stock Option Common Stock (2,000) $2.59 — 2,000 Disposed
May 3, 2019 TNDM Stock Option Common Stock (2,000) $2.59 — 2,000 Disposed
April 3, 2019 TNDM Stock Option Common Stock (2,000) $2.59 — 2,000 Disposed
Feb. 15, 2019 TNDM Stock Option [F1] Common Stock (105,000) $51.50 — 105,000 Acquired
Jan. 8, 2019 TNDM Stock Option Common Stock (10,000) $2.59 — 10,000 Disposed
Dec. 6, 2018 TNDM Stock Option Common Stock (10,000) $2.59 Dec. 1, 2027 10,000 Disposed
June 14, 2018 TNDM Stock Options [F1] Common Stock (100,000) $18.86 — 100,000 Acquired
Dec. 1, 2017 TNDM Stock Option [F1] Common Stock (80,000) $2.59 — 80,000 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
Feb. 16, 2016 TNDM Stock Options [F1] Common Stock (84,600) $6.95 — 84,600 Acquired
May 21, 2015 TNDM Stock Options [F4] Common Stock (56,400) $11.92 — 56,400 Acquired
Nov. 19, 2013 TNDM Series D Preferred Stock Common Stock — — 20,000 Disposed
Nov. 19, 2013 TNDM Series C Preferred Stock Common Stock — — 3,285 Disposed
Nov. 19, 2013 TNDM Series B Preferred Stock Common Stock — — 1,732 Disposed
Nov. 13, 2013 TNDM Stock Option [F2] Common Stock (188,000) $15.00 — 188,000 Acquired

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

Initial ownership (Form 3) 7 holdings

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

Date Ticker Security Shares Ownership
Nov. 13, 2013 TNDM Series B Preferred Stock→ Common Stock (1,034) 1,034 Indirect
Nov. 13, 2013 TNDM Series C Preferred Stock→ Common Stock (1,960) 1,960 Indirect
Nov. 13, 2013 TNDM Series D Preferred Stock→ Common Stock (11,936) 11,936 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 Incentive Stock Option [F8]→ Common Stock (89,520) 89,520 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 $412,000 $25,532 — — $178,726 — $1,397 $1,956,546
2019 $400,000 — — — $368,110 — $1,144 $5,390,888
2018 $386,250 — — $1,197,532 $350,863 — $630 $1,935,275

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