David A. Clark

CIK 1443082 · View on SEC EDGAR ↗

Insider

First SEC filing: Aug. 26, 2008 · Latest: Aug. 26, 2008

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 31 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

31 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
March 1, 2019 MD S 10b5-1 6,452 $32.90 $212,271 136,964 Direct -4.50% Disposed -20.7% (price as of 2026-08-19)
June 1, 2018 MD S 10b5-1 11,607 $45.15 $524,056 32,845 Direct -26.11% Disposed -42.2% (price as of 2026-08-19)
June 1, 2017 MD S 10b5-1 10,202 $54.99 $561,008 25,100 Direct -28.90% Disposed -52.6% (price as of 2026-08-19)
June 1, 2016 MD S 11,470 $67.78 $777,437 20,025 Direct -36.42% Disposed -61.5% (price as of 2026-08-19)
June 1, 2015 MD S 10b5-1 14,654 $70.48 $1,032,814 21,567 Direct -40.46% Disposed -63.0% (price as of 2026-08-19)
June 2, 2014 MD S 10b5-1 16,230 $57.00 $925,110 26,606 Direct -37.89% Disposed -54.2% (price as of 2026-08-19)
June 3, 2013 MD S 10b5-1 8,645 $91.01 $786,781 15,887 Direct -35.24% Disposed -42.7% (price as of 2026-08-19)
Nov. 23, 2012 MD S 10b5-1 2,019 $77.16 $155,786 17,665 Direct -10.26% Disposed -32.4% (price as of 2026-08-19)
Nov. 20, 2012 MD S 10b5-1 600 $77.10 $46,260 17,665 Direct -3.28% Disposed -32.3% (price as of 2026-08-19)
Nov. 7, 2012 MD S 10b5-1 9,881 $77.12 $762,023 17,665 Direct -35.87% Disposed -32.3% (price as of 2026-08-19)
June 1, 2012 MD S 10b5-1 9,152 $59.89 $548,113 17,665 Direct -34.13% Disposed -12.9% (price as of 2026-08-19)
Feb. 27, 2012 MD S 10b5-1 4,100 $75.50 $309,550 17,235 Direct -19.22% Disposed -30.9% (price as of 2026-08-19)
Feb. 24, 2012 MD S 10b5-1 9,700 $75.45 $731,865 17,235 Direct -36.01% Disposed -30.8% (price as of 2026-08-19)
June 2, 2011 MD S 10b5-1 8,188 $73.62 $602,801 17,235 Direct -32.21% Disposed -29.1% (price as of 2026-08-19)
May 20, 2011 MD S 10b5-1 1,200 $75.44 $90,528 17,528 Direct -6.41% Disposed -30.8% (price as of 2026-08-19)
Dec. 10, 2010 MD S 10b5-1 7,456 $64.75 $482,776 17,528 Direct -29.84% Disposed -19.4% (price as of 2026-08-19)
Dec. 2, 2010 MD S 10b5-1 2,960 $64.72 $191,571 17,528 Direct -14.45% Disposed -19.4% (price as of 2026-08-19)
June 1, 2010 MD S 10b5-1 6,755 $55.94 $377,875 9,067 Direct -42.69% Disposed -6.7% (price as of 2026-08-19)
June 1, 2009 MD S 10b5-1 4,792 $40.51 $194,124 4,722 Direct -50.37% Disposed 28.8% (price as of 2026-08-19)

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. 7, 2017 MD Restricted Shares Units [F1] Common Stock (14,741) — May 15, 2020 14,741 Acquired
Nov. 23, 2012 MD Stock Options (Right to Buy) Common Stock (2,019) $57.09 June 1, 2017 2,019 Disposed
Nov. 20, 2012 MD Stock Options (Right to Buy) Common Stock (600) $57.09 June 1, 2017 600 Disposed
Nov. 7, 2012 MD Stock Options (Right to Buy) Common Stock (9,881) $57.09 June 1, 2017 9,881 Disposed
Feb. 27, 2012 MD Stock Options (Right to Buy) Common Stock (4,100) $55.43 June 2, 2018 4,100 Disposed
Feb. 24, 2012 MD Stock Options (Right to Buy) Common Stock (9,700) $55.43 June 2, 2018 9,700 Disposed
May 20, 2011 MD Employee Stock Options (Right to Buy) [F3] Common Stock (1,200) $55.43 June 2, 2018 1,200 Acquired
Dec. 10, 2010 MD Stock Options Common Stock (7,456) $44.70 June 1, 2016 7,456 Disposed
Dec. 2, 2010 MD Stock Options Common Stock (2,960) $44.70 June 1, 2016 2,960 Disposed

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

Initial ownership (Form 3) 20 holdings

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

Date Ticker Security Shares Ownership
Aug. 26, 2008 MD Common Stock 9,514 Direct
Aug. 26, 2008 MD Stock Options (Right to buy)→ Common Stock — Direct
Aug. 26, 2008 MD Stock Options (Right to buy)→ Common Stock — Direct
Aug. 26, 2008 MD Stock Options (Right to buy)→ Common Stock — Direct
Aug. 25, 2008 MD Common Stock 1,736 Direct
Aug. 25, 2008 MD Common Stock 4,514 Direct
Aug. 25, 2008 MD Common Stock 9,514 Direct
Aug. 25, 2008 MD Stock Options (Right to buy)→ Common Stock — Direct
Aug. 25, 2008 MD Stock Options (Right to buy)→ Common Stock — Direct
Aug. 25, 2008 MD Stock Options (Right to buy)→ Common Stock — Direct
Aug. 25, 2008 MD Common Stock 19,028 Direct
Aug. 25, 2008 MD Stock Options (Right to buy)→ Common Stock — Direct
Aug. 25, 2008 MD Stock Options (Right to buy)→ Common Stock — Direct
Aug. 25, 2008 MD Stock Options (Right to buy)→ Common Stock — Direct
Aug. 21, 2008 MD Common Stock 1,736 Direct
Aug. 21, 2008 MD Common Stock 4,514 Direct
Aug. 21, 2008 MD Common Stock 9,514 Direct
Aug. 21, 2008 MD Stock Options (Right to buy)→ Common Stock — Direct
Aug. 21, 2008 MD Stock Options (Right to buy)→ Common Stock — Direct
Aug. 21, 2008 MD Stock Options (Right to buy)→ Common Stock — Direct

Compensation (DEF 14A)

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

MD

COO
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2018 $483,333 — — — $234,150 — $11,288 $3,949,611
2017 $450,000 — — — $337,500 — $18,266 $2,405,800

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