Laura Mildenberger
CIK 1458379 · View on SEC EDGAR ↗
First SEC filing: March 13, 2009 · Latest: March 13, 2009
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Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 17, 2015 | DVA | S | 1,242 | $68.13 | $84,617 | 8,223 Direct | -13.12% | Disposed | 157.6% (price as of 2026-08-21) |
| Dec. 17, 2015 | DVA | S | 198 | $68.15 | $13,494 | 8,447 Direct | -2.29% | Disposed | 157.5% (price as of 2026-08-21) |
| May 20, 2015 | DVA | S | 9,579 | $83.15 | $796,494 | 6,273 Direct | -60.43% | Disposed | 111.1% (price as of 2026-08-21) |
| May 18, 2015 | DVA | S | 461 | $82.75 | $38,148 | 6,273 Direct | -6.85% | Disposed | 112.1% (price as of 2026-08-21) |
| March 10, 2015 | DVA | S | 1,199 | $77.75 | $93,222 | 6,734 Direct | -15.11% | Disposed | 125.7% (price as of 2026-08-21) |
| Dec. 19, 2014 | DVA | S | 1,446 | $75.50 | $109,173 | 6,734 Direct | -17.68% | Disposed | 132.5% (price as of 2026-08-21) |
| May 29, 2014 | DVA | S | 5,080 | $69.99 | $355,549 | 6,734 Direct | -43.00% | Disposed | 150.8% (price as of 2026-08-21) |
| April 2, 2014 | DVA | S | 598 | $69.22 | $41,394 | 5,438 Direct | -9.91% | Disposed | 153.6% (price as of 2026-08-21) |
| March 20, 2014 | DVA | S | 3,274 | $70.04 | $229,311 | 6,036 Direct | -35.17% | Disposed | 150.6% (price as of 2026-08-21) |
| Feb. 27, 2014 | DVA | S | 6,430 | $68.25 | $438,848 | 6,036 Direct | -51.58% | Disposed | 157.2% (price as of 2026-08-21) |
| Dec. 20, 2013 | DVA | S | 10,417 | $62.53 | $651,375 | 6,036 Direct | -63.31% | Disposed | 180.7% (price as of 2026-08-21) |
| March 5, 2013 | DVA | S | 6,202 | $123.66 | $766,939 | 3,334 Direct | -65.04% | Disposed | 183.9% (price as of 2026-08-21) |
| Dec. 5, 2012 | DVA | S | 8,461 | $106.50 | $901,096 | 1,875 Direct | -81.86% | Disposed | 229.6% (price as of 2026-08-21) |
| Aug. 15, 2012 | DVA | S | 7,735 | $98.23 | $759,809 | 1,875 Direct | -80.49% | Disposed | 257.4% (price as of 2026-08-21) |
| Aug. 15, 2012 | DVA | S | 606 | $98.45 | $59,661 | 9,610 Direct | -5.93% | Disposed | 256.6% (price as of 2026-08-21) |
| June 14, 2012 | DVA | S | 3,945 | $87.93 | $346,884 | 9,610 Direct | -29.10% | Disposed | 299.2% (price as of 2026-08-21) |
| Sept. 7, 2011 | DVA | S | 1,168 | $73.02 | $85,287 | 3,368 Direct | -25.75% | Disposed | 380.7% (price as of 2026-08-21) |
| Aug. 31, 2011 | DVA | S | 1,100 | $75.00 | $82,500 | 3,368 Direct | -24.62% | Disposed | 368.1% (price as of 2026-08-21) |
| May 9, 2011 | DVA | S | 5,238 | $84.07 | $440,359 | 3,368 Direct | -60.86% | Disposed | 317.6% (price as of 2026-08-21) |
| April 5, 2011 | DVA | S | 382 | $86.48 | $33,035 | 3,368 Direct | -10.19% | Disposed | 305.9% (price as of 2026-08-21) |
| March 14, 2011 | DVA | S | 2,698 | $81.50 | $219,887 | 3,750 Direct | -41.84% | Disposed | 330.7% (price as of 2026-08-21) |
| March 14, 2011 | DVA | S | 1,680 | $81.50 | $136,920 | 3,750 Direct | -30.94% | Disposed | 330.7% (price as of 2026-08-21) |
| March 10, 2011 | DVA | S | 199 | $81.00 | $16,119 | 3,750 Direct | -5.04% | Disposed | 333.4% (price as of 2026-08-21) |
| March 10, 2011 | DVA | S | 3,439 | $81.00 | $278,559 | 3,750 Direct | -47.84% | Disposed | 333.4% (price as of 2026-08-21) |
| March 10, 2011 | DVA | S | 3,151 | $81.00 | $255,231 | 3,750 Direct | -45.66% | Disposed | 333.4% (price as of 2026-08-21) |
Showing latest 100 of 114 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 |
|---|---|---|---|---|---|---|---|
| Dec. 17, 2015 | DVA | Stock Appreciation Rights | Common Stock (7,300) | $43.35 | April 13, 2016 | 7,300 | Disposed |
| Dec. 17, 2015 | DVA | Stock Appreciation Rights | Common Stock (2,250) | $55.34 | Dec. 18, 2017 | 2,250 | Disposed |
| May 20, 2015 | DVA | Stock Appreciation Rights | Common Stock (20,000) | $43.35 | April 13, 2016 | 20,000 | Disposed |
| March 10, 2015 | DVA | Stock Appreciation Rights | Common Stock (2,700) | $43.35 | April 13, 2016 | 2,700 | Disposed |
| Dec. 19, 2014 | DVA | Stock Appreciation Rights | Common Stock (2,500) | $31.70 | March 31, 2015 | 2,500 | Disposed |
| May 29, 2014 | DVA | Stock Appreciation Rights | Common Stock (9,375) | $31.70 | March 31, 2015 | 9,375 | Disposed |
| April 24, 2014 | DVA | Stock Appreciation Rights | Common Stock (5,186) | $69.38 | April 24, 2018 | 5,186 | Acquired |
| March 20, 2014 | DVA | Stock Appreciation Right | Common Stock (6,000) | $31.70 | March 31, 2015 | 6,000 | Disposed |
| Feb. 27, 2014 | DVA | Stock Appreciation Right | Common Stock (12,125) | $31.70 | March 31, 2015 | 12,125 | Disposed |
| Dec. 20, 2013 | DVA | Stock Appreciation Right | Common Stock (16,666) | $23.13 | March 2, 2014 | 16,666 | Disposed |
| March 19, 2013 | DVA | Stock Appreciation Right | Common Stock (8,200) | $117.88 | March 19, 2018 | 8,200 | Acquired |
| March 5, 2013 | DVA | Stock Appreciation Right | Common Stock (10,000) | $46.26 | March 2, 2014 | 10,000 | Disposed |
| Dec. 18, 2012 | DVA | Stock Appreciation Right | Common Stock (2,250) | $110.68 | Dec. 18, 2017 | 2,250 | Acquired |
| Dec. 5, 2012 | DVA | Stock Appreciation Right | Common Stock (15,000) | $46.26 | March 2, 2014 | 15,000 | Disposed |
| Aug. 15, 2012 | DVA | Stock Appreciation Right | Common Stock (1,250) | $50.37 | Feb. 28, 2013 | 1,250 | Disposed |
| June 14, 2012 | DVA | Stock Appreciation Right | Common Stock (9,375) | $50.37 | Feb. 28, 2013 | 9,375 | Disposed |
| Feb. 27, 2012 | DVA | Stock Appreciation Right | Common Stock (15,625) | $52.12 | March 14, 2012 | 15,625 | Disposed |
| Sept. 7, 2011 | DVA | Stock Appreciation Right | Common Stock (5,376) | $56.38 | Oct. 11, 2011 | 5,376 | Disposed |
| Aug. 31, 2011 | DVA | Stock Appreciation Right | Common Stock (4,624) | $56.38 | Oct. 11, 2011 | 4,624 | Disposed |
| May 9, 2011 | DVA | Stock Appreciation Right | Common Stock (12,750) | $49.70 | July 1, 2011 | 12,750 | Disposed |
| April 13, 2011 | DVA | Stock Appreciation Right | Common Stock (15,000) | $86.70 | April 13, 2016 | 15,000 | Acquired |
| March 14, 2011 | DVA | Stock Appreciation Right | Common Stock (6,212) | $46.26 | March 2, 2014 | 6,212 | Disposed |
| March 14, 2011 | DVA | Stock Appreciation Right | Common Stock (4,375) | $50.37 | Feb. 28, 2013 | 4,375 | Disposed |
| March 10, 2011 | DVA | Stock Appreciation Right | Common Stock (455) | $46.26 | March 2, 2014 | 455 | Disposed |
| March 10, 2011 | DVA | Stock Appreciation Right | Common Stock (9,375) | $52.12 | March 14, 2012 | 9,375 | Disposed |
| March 10, 2011 | DVA | Stock Appreciation Right | Common Stock (10,000) | $56.38 | Oct. 11, 2011 | 10,000 | Disposed |
| March 10, 2011 | DVA | Stock Appreciation Right | Common Stock (12,750) | $49.70 | July 1, 2011 | 12,750 | Disposed |
| March 31, 2010 | DVA | Stock Appreciation Right | Common Stock (15,000) | $63.40 | March 31, 2015 | 15,000 | Acquired |
| Dec. 22, 2009 | DVA | Stock Options (Right to Buy) | Common Stock (15,000) | $39.62 | Dec. 30, 2009 | 15,000 | Disposed |
| June 19, 2009 | DVA | Stock Options (Right to Buy) | Common Stock (11,667) | $28.01 | Aug. 12, 2009 | 11,667 | Disposed |
| March 2, 2009 | DVA | Stock Appreciation Right | Common Stock (40,000) | $46.26 | March 2, 2014 | 40,000 | 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 |
|---|---|---|---|---|
| March 13, 2009 | DVA | Stock Option (Right to Buy)→ Common Stock (11,667) | 11,667 | Direct |
| March 13, 2009 | DVA | Stock Option (Right to Buy)→ Common Stock (15,000) | 15,000 | Direct |
| March 13, 2009 | DVA | Stock Appreciation Right→ Common Stock (25,500) | 25,500 | Direct |
| March 13, 2009 | DVA | Stock Appreciation Right→ Common Stock (20,000) | 20,000 | Direct |
| March 13, 2009 | DVA | Stock Appreciation Right→ Common Stock (25,000) | 25,000 | Direct |
| March 13, 2009 | DVA | Stock Appreciation Right→ Common Stock (15,000) | 15,000 | Direct |