Mark Adamson
Insider
First SEC filing: May 4, 2010 · Latest: May 4, 2010
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 6, 2017 | PLOW | S 10b5-1 | 5,178 | $32.46 | $168,078 | 63,469 Direct | -7.54% | Disposed | 24.8% (price as of 2026-10-02) |
| March 2, 2017 | PLOW | A | 11,450 | · | · | 68,647 Direct | +20.02% | Acquired | (price as of 2026-10-02) |
| March 7, 2016 | PLOW | S 10b5-1 | 4,981 | $21.31 | $106,145 | 57,197 Direct | -8.01% | Disposed | 90.1% (price as of 2026-10-02) |
| March 1, 2016 | PLOW | A | 11,646 | · | · | 62,178 Direct | +23.05% | Acquired | (price as of 2026-10-02) |
| Jan. 4, 2016 | PLOW | S 10b5-1 | 776 | $20.21 | $15,683 | 50,532 Direct | -1.51% | Disposed | 100.4% (price as of 2026-10-02) |
| Aug. 6, 2015 | PLOW | M | 26,350 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 6, 2015 | PLOW | S | 19,000 | $22.63 | $429,970 | 51,308 Direct | -27.02% | Disposed | 79.0% (price as of 2026-10-02) |
| Aug. 6, 2015 | PLOW | M | 26,350 | $4.21 | $110,934 | 70,308 Direct | +59.94% | Acquired | 862.2% (price as of 2026-10-02) |
| May 6, 2015 | PLOW | S 10b5-1 | 169 | $21.30 | $3,600 | 43,958 Direct | -0.38% | Disposed | 90.2% (price as of 2026-10-02) |
| March 6, 2015 | PLOW | S 10b5-1 | 4,108 | $22.61 | $92,882 | 44,127 Direct | -8.52% | Disposed | 79.2% (price as of 2026-10-02) |
| March 3, 2015 | PLOW | A | 11,309 | · | · | 48,235 Direct | +30.63% | Acquired | (price as of 2026-10-02) |
| Jan. 5, 2015 | PLOW | S 10b5-1 | 1,491 | $21.14 | $31,520 | 36,926 Direct | -3.88% | Disposed | 91.6% (price as of 2026-10-02) |
| May 6, 2014 | PLOW | S 10b5-1 | 161 | $17.69 | $2,848 | 38,417 Direct | -0.42% | Disposed | 129.0% (price as of 2026-10-02) |
| March 6, 2014 | PLOW | S 10b5-1 | 1,747 | $16.30 | $28,476 | 38,578 Direct | -4.33% | Disposed | 148.5% (price as of 2026-10-02) |
| March 5, 2014 | PLOW | A | 12,930 | · | · | 40,325 Direct | +47.20% | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2014 | PLOW | S 10b5-1 | 2,199 | $16.53 | $36,349 | 27,395 Direct | -7.43% | Disposed | 145.1% (price as of 2026-10-02) |
| May 6, 2013 | PLOW | S 10b5-1 | 170 | $14.10 | $2,397 | 29,594 Direct | -0.57% | Disposed | 187.3% (price as of 2026-10-02) |
| March 8, 2013 | PLOW | S | 2,602 | $14.42 | $37,521 | 29,764 Direct | -8.04% | Disposed | 180.9% (price as of 2026-10-02) |
| March 6, 2013 | PLOW | A | 11,746 | · | · | 32,366 Direct | +56.96% | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2013 | PLOW | S | 2,195 | $14.50 | $31,828 | 20,620 Direct | -9.62% | Disposed | 179.4% (price as of 2026-10-02) |
| Jan. 3, 2013 | PLOW | A | 4,863 | · | · | 22,815 Direct | +27.09% | Acquired | (price as of 2026-10-02) |
| May 4, 2012 | PLOW | S 10b5-1 | 155 | $13.75 | $2,131 | 17,928 Direct | -0.86% | Disposed | 194.6% (price as of 2026-10-02) |
| March 9, 2012 | PLOW | S 10b5-1 | 3,028 | $12.71 | $38,486 | 18,083 Direct | -14.34% | Disposed | 218.7% (price as of 2026-10-02) |
| March 8, 2012 | PLOW | A | 8,191 | · | · | 21,135 Direct | +63.28% | Acquired | (price as of 2026-10-02) |
| March 8, 2012 | PLOW | A | 8,167 | · | · | 21,111 Direct | +63.09% | Acquired | (price as of 2026-10-02) |
| Jan. 4, 2012 | PLOW | S | 1,290 | $14.32 | $18,473 | 12,944 Direct | -9.06% | Disposed | 182.9% (price as of 2026-10-02) |
| Jan. 2, 2012 | PLOW | A | 4,812 | · | · | 14,234 Direct | +51.07% | Acquired | (price as of 2026-10-02) |
| May 20, 2011 | PLOW | M | 47,883 | · | · | 26,350 Direct | -64.50% | Disposed | (price as of 2026-10-02) |
| May 20, 2011 | PLOW | S | 51,850 | $14.20 | $736,270 | 9,422 Direct | -84.62% | Disposed | 185.3% (price as of 2026-10-02) |
| May 20, 2011 | PLOW | M | 47,883 | $4.21 | $201,587 | 61,272 Direct | +357.63% | Acquired | 862.2% (price as of 2026-10-02) |
| May 6, 2011 | PLOW | S 10b5-1 | 154 | $14.23 | $2,191 | 13,389 Direct | -1.14% | Disposed | 184.7% (price as of 2026-10-02) |
| March 17, 2011 | PLOW | S | 2,406 | $13.70 | $32,962 | 13,543 Direct | -15.09% | Disposed | 195.7% (price as of 2026-10-02) |
| March 16, 2011 | PLOW | S | 2,872 | $14.18 | $40,725 | 15,949 Direct | -15.26% | Disposed | 185.7% (price as of 2026-10-02) |
| March 15, 2011 | PLOW | M | 5,278 | · | · | 74,233 Direct | -6.64% | Disposed | (price as of 2026-10-02) |
| March 15, 2011 | PLOW | M | 5,278 | $4.21 | $22,220 | 18,821 Direct | +38.97% | Acquired | 862.2% (price as of 2026-10-02) |
| March 11, 2011 | PLOW | S | 2,249 | $14.53 | $32,678 | 13,543 Direct | -14.24% | Disposed | 178.8% (price as of 2026-10-02) |
| March 9, 2011 | PLOW | A | 5,352 | · | · | 15,792 Direct | +51.26% | Acquired | (price as of 2026-10-02) |
| Jan. 5, 2011 | PLOW | S | 415 | $14.90 | $6,184 | 10,440 Direct | -3.82% | Disposed | 171.9% (price as of 2026-10-02) |
| Jan. 3, 2011 | PLOW | A | 8,774 | · | · | 10,855 Direct | +421.62% | Acquired | (price as of 2026-10-02) |
| May 14, 2010 | PLOW | S | 7,384 | $10.49 | $77,458 | 2,081 Direct | -78.01% | Disposed | 286.2% (price as of 2026-10-02) |
| May 13, 2010 | PLOW | M | 11,708 | · | · | 79,511 Direct | -12.84% | Disposed | (price as of 2026-10-02) |
| May 13, 2010 | PLOW | F | 4,324 | $11.40 | $49,294 | 9,465 Direct | -31.36% | Disposed | 255.4% (price as of 2026-10-02) |
| May 13, 2010 | PLOW | M | 11,708 | $4.21 | $49,291 | 13,789 Direct | +562.61% | Acquired | 862.2% (price as of 2026-10-02) |
| May 10, 2010 | PLOW | M | 27,531 | · | · | 91,219 Direct | -23.18% | Disposed | (price as of 2026-10-02) |
| May 10, 2010 | PLOW | S | 17,227 | $10.49 | $180,711 | 2,081 Direct | -89.22% | Disposed | 286.2% (price as of 2026-10-02) |
| May 10, 2010 | PLOW | F | 10,304 | $11.25 | $115,920 | 19,308 Direct | -34.80% | Disposed | 260.1% (price as of 2026-10-02) |
| May 10, 2010 | PLOW | M | 27,531 | $4.21 | $115,906 | 29,612 Direct | +1322.97% | Acquired | 862.2% (price as of 2026-10-02) |
| May 4, 2010 | PLOW | A | 2,081 | · | · | 2,081 Direct | · | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 6, 2015 | PLOW | Employee Stock option (right to buy) | Common Stock | $4.21 | Aug. 27, 2017 | 26,350 | Disposed |
| May 20, 2011 | PLOW | Employee Stock Option (right to buy) | Common Stock | $4.21 | Aug. 27, 2017 | 47,883 | Disposed |
| March 15, 2011 | PLOW | Employee Stock Option (right to buy) | Common Stock | $4.21 | Aug. 27, 2017 | 5,278 | Disposed |
| May 13, 2010 | PLOW | Employee Stock Option (right to buy) | Common Stock | $4.21 | Aug. 27, 2017 | 11,708 | Disposed |
| May 10, 2010 | PLOW | Employee Stock Option (right to buy) | Common Stock | $4.21 | Aug. 27, 2017 | 27,531 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 4, 2010 | PLOW | Employee Stock Option (right to buy) | · | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2017 | $278,586 | · | $240,946 | · | $196,155 | $67,340 | $62,252 | $845,279 |
| 2016 | $271,662 | · | $261,859 | · | $274,791 | $33,606 | $57,189 | $899,107 |
| 2014 | $261,113 | · | $206,537 | · | $315,484 | $29,396 | $52,178 | $864,708 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.