Donald A Lucas

CIK 1323378 · View on SEC EDGAR ↗

Insider

First SEC filing: April 13, 2005 · Latest: April 13, 2005

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 92 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

92 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 2, 2007 DXCM S 3,296 $7.10 $23,402 0 Indirect -100.00% Disposed 4938.9% (price as of 2026-08-21)
June 7, 2007 DXCM S 525,682 $6.62 $3,480,015 3,296 Indirect -99.38% Disposed 5304.2% (price as of 2026-08-21)
March 15, 2007 DXCM S 1,000 $7.18 $7,180 0 Indirect -100.00% Disposed 4882.7% (price as of 2026-08-21)
March 15, 2007 DXCM S 3,000 $7.17 $21,510 0 Indirect -100.00% Disposed 4889.7% (price as of 2026-08-21)
Dec. 4, 2006 DXCM S 2,300 $11.67 $26,841 614 Direct -78.93% Disposed 2965.6% (price as of 2026-08-21)
Dec. 4, 2006 DXCM S 5,000 $11.62 $58,100 2,914 Direct -63.18% Disposed 2978.8% (price as of 2026-08-21)
Dec. 4, 2006 DXCM S 5,000 $11.71 $58,550 7,914 Direct -38.72% Disposed 2955.2% (price as of 2026-08-21)
Dec. 4, 2006 DXCM S 5,063 $11.81 $59,794 12,914 Direct -28.16% Disposed 2929.3% (price as of 2026-08-21)

Showing latest 100 of 138 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
May 19, 2009 DXCM Non-Qualified Stock Option (right to buy) Common Stock (55,806) $4.58 May 19, 2019 55,806 Acquired
May 19, 2008 DXCM Non-Qualified Stock Option (Right to Buy) Common Stock (31,464) $7.63 May 19, 2018 31,464 Acquired
May 23, 2007 DXCM Non-Qualified Stock Option (Right to Buy) Common Stock (31,890) $7.31 May 23, 2017 31,890 Acquired
May 15, 2006 DXCM Stock Option (Right to Buy) Common Stock (10,000) $21.81 May 15, 2016 10,000 Acquired
April 13, 2006 DXCM Stock Option (Right to Buy) Common Stock (10,000) $20.38 April 13, 2016 10,000 Acquired
April 19, 2005 DXCM Series C Preferred Stock Common Stock — — 130,434 Disposed
April 19, 2005 DXCM Series D Preferred Stock Common Stock — — 22,368 Disposed
April 19, 2005 DXCM Series C Preferred Stock Common Stock — — 217,391 Disposed
April 19, 2005 DXCM Series D Preferred Stock Common Stock — — 25,903 Disposed
April 19, 2005 DXCM Series C Preferred Stock Common Stock — — 1,739,130 Disposed
April 19, 2005 DXCM Series D Preferred Stock Common Stock — — 207,234 Disposed
April 13, 2005 DXCM Stock Option (Right to Buy) Common Stock (25,000) $12.00 April 15, 2015 25,000 Acquired

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

Initial ownership (Form 3) 6 holdings

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

Date Ticker Security Shares Ownership
April 13, 2005 DXCM Series C Preferred Stock→ Common stock (65,217) 65,217 Indirect
April 13, 2005 DXCM Series D Preferred Stock→ Common Stock (11,184) 11,184 Indirect
April 13, 2005 DXCM Series C Preferred Stock→ Common Stock (108,695) 108,695 Indirect
April 13, 2005 DXCM Series D Preferred Stock→ Common Stock (12,951) 12,951 Indirect
April 13, 2005 DXCM Series C Preferred Stock→ Common Stock (869,565) 869,565 Indirect
April 13, 2005 DXCM Series D Preferred Stock→ Common Stock (103,617) 103,617 Indirect