Steven W Peterson

CIK 1260286 · View on SEC EDGAR ↗

Insider

First SEC filing: Feb. 7, 2013 · Latest: Feb. 7, 2013

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 67 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

67 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Dec. 28, 2012 MLAB S 1,946 $48.70 $94,770 21,362 Direct -8.35% Disposed 146.0% (price as of 2026-08-21)
Dec. 27, 2012 MLAB S 5,724 $48.50 $277,614 23,308 Direct -19.72% Disposed 147.1% (price as of 2026-08-21)
Dec. 26, 2012 MLAB S 11,230 $48.50 $544,655 29,032 Direct -27.89% Disposed 147.1% (price as of 2026-08-21)
Dec. 21, 2012 MLAB S 100 $48.68 $4,868 40,262 Direct -0.25% Disposed 146.1% (price as of 2026-08-21)
Dec. 19, 2012 MLAB S 1,152 $48.76 $56,172 40,362 Direct -2.77% Disposed 145.7% (price as of 2026-08-21)
Dec. 18, 2012 MLAB S 11,829 $48.77 $576,900 41,514 Direct -22.18% Disposed 145.7% (price as of 2026-08-21)
March 3, 2011 MLAB S 10,000 $29.00 $290,000 51,467 Direct -16.27% Disposed 313.2% (price as of 2026-08-21)
Dec. 30, 2009 MLAB S 10,000 $23.10 $231,000 60,145 Direct -14.26% Disposed 418.7% (price as of 2026-08-21)
Dec. 31, 2008 MLAB S 2,000 $17.42 $34,840 68,100 Direct -2.85% Disposed 587.8% (price as of 2026-08-21)

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
Feb. 5, 2013 MLAB Non Qualified Stock Option Common Stock (2,500) $25.56 April 1, 2020 2,500 Disposed
Feb. 5, 2013 MLAB Non Qualified Stock Option Common Stock (3,000) $16.60 April 1, 2019 3,000 Disposed
Feb. 5, 2013 MLAB Non Qualified Stock Option Common Stock (2,700) $21.93 April 1, 2018 2,700 Disposed
April 2, 2012 MLAB Non-Qualified Stock Option Common Stock (4,000) $50.50 April 2, 2022 4,000 Acquired
Feb. 20, 2012 MLAB Incentive Stock Options Mesa Laboratories, Inc. Common Stock (3,000) $18.98 May 11, 2012 3,000 Disposed
April 6, 2011 MLAB NQ Stock Purchase Option Common Stock (4,400) $29.20 April 6, 2021 4,400 Acquired
Dec. 28, 2010 MLAB Incentive Stock Options Mesa Laboratories, Inc. Common Stock (675) $14.50 April 27, 2011 675 Disposed
April 1, 2010 MLAB NQ Stock Purchase Option Common Stock (1,100) $25.56 April 1, 2020 1,100 Acquired
April 1, 2010 MLAB Incentive Stock Purchase Option Common Stock (3,900) $25.56 April 1, 2015 3,900 Acquired
Jan. 6, 2010 MLAB Incentive Stock Options Mesa Laboratories, Inc. Common Stock (2,025) $14.50 April 26, 2011 2,025 Disposed
Nov. 2, 2009 MLAB Incentive Stock Options Common Stock (3,000) $11.91 June 14, 2010 3,000 Disposed
April 15, 2009 MLAB Incentive Stock Option Common Stock (1,000) $9.89 July 26, 2009 1,000 Disposed
April 1, 2009 MLAB ISO stock purchase options Common stock (4,000) $16.60 April 1, 2014 4,000 Acquired
April 1, 2008 MLAB ISO stock option Common Stock (2,700) $21.93 April 1, 2013 2,700 Acquired
Dec. 6, 2007 MLAB Incentive Stock Option Common Stock (1,000) $7.00 June 18, 2008 1,000 Disposed
Dec. 6, 2007 MLAB Incentive Stock Option Common Stock (3,000) $9.89 July 26, 2009 3,000 Disposed
May 11, 2007 MLAB Statutory incentive purchase option Common stock (3,000) $18.98 May 11, 2012 3,000 Acquired
Nov. 2, 2006 MLAB Incentive stock option common stock (2,000) $5.91 Oct. 15, 2007 2,000 Disposed
Nov. 2, 2006 MLAB Incentive stock option common stock (3,000) $7.00 July 2, 2007 3,000 Disposed
April 27, 2006 MLAB Statuatory stock purchase option Common stock (2,700) $14.50 April 27, 2011 2,700 Acquired
July 6, 2005 MLAB Stock option, right to buy common stock (1,500) $4.55 July 2, 2006 1,500 Disposed
June 14, 2005 MLAB Incentive stock purchase option common stock (3,000) $11.91 June 13, 2010 3,000 Acquired
Oct. 18, 2004 MLAB Stock option, right to buy common stock (2,000) $5.91 Oct. 15, 2007 2,000 Disposed
Oct. 18, 2004 MLAB Stock option, right to buy common stock (1,500) $4.55 July 1, 2006 1,500 Disposed
Sept. 24, 2004 MLAB stock option, right-to-buy common stock (1,500) $5.50 June 27, 2005 1,500 Disposed
July 27, 2004 MLAB Incentive stock purchase option common stock (4,000) $9.89 July 26, 2009 4,000 Acquired
Nov. 18, 2003 MLAB stock purchase option common stock (4,000) $3.75 Nov. 4, 2004 4,000 Disposed
Nov. 18, 2003 MLAB stock purchase option common stock (4,500) $5.50 June 26, 2005 4,500 Disposed
Nov. 18, 2003 MLAB stock purchase option common stock (3,000) $4.55 July 1, 2006 3,000 Disposed
Aug. 18, 2003 MLAB Stock purchase option Common Stock (4,000) $5.00 March 31, 2004 4,000 Disposed

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

Compensation (DEF 14A)

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

MLAB

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2015 — — — — — — — —
2014 — — — — — — — —
2013 $120,329 — — $269,995 — — $188,610 $578,934

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