Neil M Koehler
Insider
First SEC filing: Feb. 27, 2009 · Latest: Feb. 27, 2009
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 |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 14, 2020 | ALTO | F | 55,155 | $9.55 | $526,730 | 866,544 Direct | -5.98% | Disposed | -60.3% (price as of 2026-10-05) |
| Aug. 26, 2020 | ALTO | P | 33,789 | $3.36 | $113,531 | 921,699 Direct | +3.81% | Acquired | 12.8% (price as of 2026-10-05) |
| Aug. 26, 2020 | ALTO | P | 2 | $3.36 | $7 | 887,910 Direct | 0.00% | Acquired | 12.8% (price as of 2026-10-05) |
| Aug. 26, 2020 | ALTO | P | 9,216 | $3.35 | $30,874 | 887,908 Direct | +1.05% | Acquired | 13.1% (price as of 2026-10-05) |
| Aug. 26, 2020 | ALTO | P | 6,258 | $3.34 | $20,902 | 878,692 Direct | +0.72% | Acquired | 13.5% (price as of 2026-10-05) |
| Aug. 26, 2020 | ALTO | P | 735 | $3.30 | $2,426 | 872,434 Direct | +0.08% | Acquired | 14.8% (price as of 2026-10-05) |
| June 11, 2020 | ALTO | P | 1,883 | $0.67 | $1,262 | 871,699 Direct | +0.22% | Acquired | 465.7% (price as of 2026-10-05) |
| April 1, 2020 | ALTO | F | 63,169 | $0.25 | $15,792 | 869,816 Direct | -6.77% | Disposed | 1416.0% (price as of 2026-10-05) |
| Aug. 22, 2019 | ALTO | P | 100,000 | $0.57 | $57,000 | 932,985 Direct | +12.01% | Acquired | 564.9% (price as of 2026-10-05) |
| April 22, 2019 | ALTO | A | 167,000 | $1.12 | $187,040 | 832,985 Direct | +25.08% | Acquired | 238.4% (price as of 2026-10-05) |
| June 14, 2018 | ALTO | A | 138,888 | · | · | 665,985 Direct | +26.35% | Acquired | (price as of 2026-10-05) |
| April 1, 2018 | ALTO | F | 25,224 | $3.00 | $75,672 | 527,097 Direct | -4.57% | Disposed | 26.3% (price as of 2026-10-05) |
| March 8, 2018 | ALTO | P | 30,000 | $3.20 | $96,000 | 552,321 Direct | +5.74% | Acquired | 18.4% (price as of 2026-10-05) |
| April 1, 2017 | ALTO | F | 22,648 | $6.85 | $155,139 | 522,321 Direct | -4.16% | Disposed | -44.7% (price as of 2026-10-05) |
| March 15, 2017 | ALTO | A | 74,074 | · | · | 544,969 Direct | +15.73% | Acquired | (price as of 2026-10-05) |
| June 16, 2016 | ALTO | A | 100,000 | · | · | 470,895 Direct | +26.96% | Acquired | (price as of 2026-10-05) |
| April 1, 2016 | ALTO | F | 17,168 | $4.40 | $75,539 | 370,895 Direct | -4.42% | Disposed | -13.9% (price as of 2026-10-05) |
| Nov. 10, 2015 | ALTO | P | 10,000 | $4.60 | $46,000 | 388,063 Direct | +2.65% | Acquired | -17.6% (price as of 2026-10-05) |
| Nov. 9, 2015 | ALTO | P | 10,000 | $4.95 | $49,500 | 378,063 Direct | +2.72% | Acquired | -23.4% (price as of 2026-10-05) |
| Aug. 7, 2015 | ALTO | P | 15,000 | $7.45 | $111,750 | 368,063 Direct | +4.25% | Acquired | -49.1% (price as of 2026-10-05) |
| April 1, 2015 | ALTO | F | 23,395 | $11.15 | $260,854 | 353,063 Direct | -6.21% | Disposed | -66.0% (price as of 2026-10-05) |
| March 17, 2015 | ALTO | A | 47,847 | · | · | 376,458 Direct | +14.56% | Acquired | (price as of 2026-10-05) |
| Aug. 22, 2014 | ALTO | S | 25,000 | $21.27 | $531,750 | 328,611 Direct | -7.07% | Disposed | -82.2% (price as of 2026-10-05) |
| June 18, 2014 | ALTO | A | 33,944 | · | · | 353,611 Direct | +10.62% | Acquired | (price as of 2026-10-05) |
| May 28, 2014 | ALTO | A | 17,270 | · | · | 319,667 Direct | +5.71% | Acquired | (price as of 2026-10-05) |
| April 1, 2014 | ALTO | F | 16,179 | $17.90 | $289,604 | 302,397 Direct | -5.08% | Disposed | -78.8% (price as of 2026-10-05) |
| Nov. 19, 2013 | ALTO | P | 15,000 | $2.55 | $38,250 | 318,576 Direct | +4.94% | Acquired | 48.6% (price as of 2026-10-05) |
| Nov. 19, 2013 | ALTO | P | 15,000 | · | · | 318,576 Direct | +4.94% | Acquired | (price as of 2026-10-05) |
| Sept. 17, 2013 | ALTO | A | 28,247 | · | · | 303,576 Direct | +10.26% | Acquired | (price as of 2026-10-05) |
| July 31, 2013 | ALTO | A | 25,082 | · | · | 275,329 Direct | +10.02% | Acquired | (price as of 2026-10-05) |
| June 24, 2013 | ALTO | A | 113,379 | · | · | 113,379 Direct | · | Acquired | (price as of 2026-10-05) |
| June 24, 2013 | ALTO | A | 55,556 | · | · | 250,247 Direct | +28.54% | Acquired | (price as of 2026-10-05) |
| April 12, 2013 | ALTO | A | 250,000 | · | · | 2,920,356 Direct | +9.36% | Acquired | (price as of 2026-10-05) |
| March 28, 2013 | ALTO | A | 300,000 | · | · | 2,670,356 Direct | +12.66% | Acquired | (price as of 2026-10-05) |
| March 28, 2013 | ALTO | A | 300,000 | · | · | 2,920,356 Direct | +11.45% | Acquired | (price as of 2026-10-05) |
| March 1, 2013 | ALTO | A | 1,000,000 | · | · | 2,370,356 Direct | +72.97% | Acquired | (price as of 2026-10-05) |
| March 1, 2013 | ALTO | A | 1,250,000 | · | · | 2,620,356 Direct | +91.22% | Acquired | (price as of 2026-10-05) |
| Dec. 31, 2012 | ALTO | A | 311,301 | $0.34 | $105,842 | 1,370,356 Direct | +29.39% | Acquired | -25.7% (price as of 2026-10-05) |
| Aug. 24, 2012 | ALTO | A | 338,709 | $0.31 | $105,000 | 1,059,055 Direct | +47.02% | Acquired | -18.5% (price as of 2026-10-05) |
| Sept. 9, 2011 | ALTO | P | 26,800 | $0.37 | $9,916 | 720,346 Direct | +3.86% | Acquired | -31.7% (price as of 2026-10-05) |
| Sept. 9, 2011 | ALTO | P | 8,200 | $0.37 | $3,034 | 693,546 Direct | +1.20% | Acquired | -31.7% (price as of 2026-10-05) |
| Aug. 24, 2011 | ALTO | P | 35,200 | $0.34 | $11,968 | 685,346 Direct | +5.41% | Acquired | -25.7% (price as of 2026-10-05) |
| Aug. 24, 2011 | ALTO | P | 4,800 | $0.34 | $1,632 | 650,146 Direct | +0.74% | Acquired | -25.7% (price as of 2026-10-05) |
| Aug. 22, 2011 | ALTO | P | 2,500 | $0.34 | $850 | 614,646 Direct | +0.41% | Acquired | -25.7% (price as of 2026-10-05) |
| Aug. 22, 2011 | ALTO | P | 100 | $0.34 | $34 | 614,746 Direct | +0.02% | Acquired | -25.7% (price as of 2026-10-05) |
| Aug. 22, 2011 | ALTO | P | 30,600 | $0.34 | $10,404 | 645,346 Direct | +4.98% | Acquired | -25.7% (price as of 2026-10-05) |
| Aug. 22, 2011 | ALTO | P | 11,800 | $0.34 | $4,012 | 612,146 Direct | +1.97% | Acquired | -25.7% (price as of 2026-10-05) |
| Aug. 18, 2011 | ALTO | P | 2,840 | $0.37 | $1,051 | 600,346 Direct | +0.48% | Acquired | -31.7% (price as of 2026-10-05) |
| Aug. 18, 2011 | ALTO | P | 2,900 | $0.37 | $1,073 | 597,506 Direct | +0.49% | Acquired | -31.7% (price as of 2026-10-05) |
| Aug. 18, 2011 | ALTO | P | 16,800 | $0.37 | $6,216 | 594,606 Direct | +2.91% | Acquired | -31.7% (price as of 2026-10-05) |
| Aug. 18, 2011 | ALTO | P | 100 | $0.37 | $37 | 577,806 Direct | +0.02% | Acquired | -31.7% (price as of 2026-10-05) |
| Aug. 18, 2011 | ALTO | P | 7,100 | $0.37 | $2,627 | 577,706 Direct | +1.24% | Acquired | -31.7% (price as of 2026-10-05) |
| Aug. 18, 2011 | ALTO | P | 260 | $0.37 | $96 | 570,606 Direct | +0.05% | Acquired | -31.7% (price as of 2026-10-05) |
| Aug. 1, 2011 | ALTO | A | 56,250 | · | · | 56,250 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 1, 2011 | ALTO | A | 71,429 | · | · | 570,346 Direct | +14.32% | Acquired | (price as of 2026-10-05) |
| Oct. 20, 2010 | ALTO | A | 750,000 | · | · | 3,492,413 Direct | +27.35% | Acquired | (price as of 2026-10-05) |
| Jan. 28, 2010 | ALTO | A | 250,000 | · | · | 2,742,413 Direct | +10.03% | Acquired | (price as of 2026-10-05) |
| Sept. 18, 2009 | ALTO | G | 300,000 | · | · | 2,492,413 Direct | -10.74% | Disposed | (price as of 2026-10-05) |
| April 1, 2009 | ALTO | F | 5,957 | $0.33 | $1,966 | 2,792,413 Direct | -0.21% | Disposed | -89.1% (price as of 2026-10-05) |
| May 22, 2008 | ALTO | P | 384,615 | · | · | 384,615 Direct | · | Acquired | (price as of 2026-10-05) |
| May 22, 2008 | ALTO | P | 256,410 | · | · | 256,410 Direct | · | Acquired | (price as of 2026-10-05) |
| April 8, 2008 | ALTO | A | 79,908 | · | · | 3,238,535 Direct | +2.53% | Acquired | (price as of 2026-10-05) |
| May 14, 2007 | ALTO | S 10b5-1 | 2,912 | $16.00 | $46,592 | 3,198,627 Direct | -0.09% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 800 | $16.39 | $13,112 | 3,205,461 Direct | -0.02% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 1,700 | $16.38 | $27,846 | 3,206,261 Direct | -0.05% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 1,300 | $16.37 | $21,281 | 3,207,961 Direct | -0.04% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 1,200 | $16.36 | $19,632 | 3,209,261 Direct | -0.04% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 2,100 | $16.35 | $34,335 | 3,210,461 Direct | -0.07% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 300 | $16.33 | $4,899 | 3,212,561 Direct | -0.01% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 200 | $16.32 | $3,264 | 3,212,861 Direct | -0.01% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 600 | $16.31 | $9,786 | 3,213,061 Direct | -0.02% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 600 | $16.30 | $9,780 | 3,213,661 Direct | -0.02% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 300 | $16.29 | $4,887 | 3,214,261 Direct | -0.01% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 100 | $16.28 | $1,628 | 3,214,561 Direct | 0.00% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 100 | $16.27 | $1,627 | 3,214,661 Direct | 0.00% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 300 | $16.26 | $4,878 | 3,214,761 Direct | -0.01% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 1,400 | $16.25 | $22,750 | 3,215,061 Direct | -0.04% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 3,160 | $16.24 | $51,318 | 3,216,461 Direct | -0.10% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 3,130 | $16.23 | $50,800 | 3,219,621 Direct | -0.10% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 2,625 | $16.22 | $42,578 | 3,222,751 Direct | -0.08% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 2,675 | $16.21 | $43,362 | 3,225,376 Direct | -0.08% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 6,230 | $16.20 | $100,926 | 3,228,051 Direct | -0.19% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 7,420 | $16.19 | $120,130 | 3,234,281 Direct | -0.23% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 12,537 | $16.18 | $202,849 | 3,241,701 Direct | -0.39% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 6,371 | $16.17 | $103,019 | 3,254,238 Direct | -0.20% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 4,700 | $16.16 | $75,952 | 3,260,609 Direct | -0.14% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 8,148 | $16.15 | $131,590 | 3,265,309 Direct | -0.25% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 4,052 | $16.14 | $65,399 | 3,273,457 Direct | -0.12% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 8,800 | $16.13 | $141,944 | 3,277,509 Direct | -0.27% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 5,200 | $16.12 | $83,824 | 3,286,309 Direct | -0.16% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 2,580 | $16.11 | $41,564 | 3,291,509 Direct | -0.08% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 7,350 | $16.10 | $118,335 | 3,294,089 Direct | -0.22% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 100 | $16.08 | $1,608 | 3,301,439 Direct | 0.00% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 150 | $16.56 | $2,484 | 3,201,539 Direct | 0.00% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 1,000 | $16.54 | $16,540 | 3,201,689 Direct | -0.03% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 1,017 | $16.46 | $16,740 | 3,202,689 Direct | -0.03% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 1,555 | $16.41 | $25,518 | 3,203,706 Direct | -0.05% | Disposed | -99.8% (price as of 2026-10-05) |
| April 10, 2007 | ALTO | S | 200 | $16.40 | $3,280 | 3,205,261 Direct | -0.01% | Disposed | -99.8% (price as of 2026-10-05) |
| March 29, 2007 | ALTO | G | 250,000 | · | · | 3,301,539 Direct | -7.04% | Disposed | (price as of 2026-10-05) |
| March 29, 2007 | ALTO | G | 105,000 | · | · | 3,551,539 Direct | -2.87% | Disposed | (price as of 2026-10-05) |
Showing latest 100 of 394 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 |
|---|---|---|---|---|---|---|---|
| June 24, 2013 | ALTO | Stock Option (Right to Buy) | Common Stock | $3.74 | June 24, 2023 | 113,379 | Acquired |
| Aug. 1, 2011 | ALTO | Stock Option (Right to Buy) [F1] | Common Stock | $0.86 | Aug. 1, 2021 | 56,250 | Acquired |
| May 22, 2008 | ALTO | Common Stock Warrant (Right to Buy) | Common Stock | $7.00 | May 22, 2018 | 384,615 | Acquired |
| May 22, 2008 | ALTO | Series B Cumulative Convertible Preferred Stock | Common Stock | · | · | 256,410 | Acquired |
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.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2020 | $382,034 | · | · | · | · | · | $149,263 | $531,297 |
| 2019 | $489,305 | · | $187,040 | · | · | · | $18,600 | $694,945 |
| 2017 | $472,487 | · | $500,000 | · | $66,148 | · | $17,700 | $1,056,335 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.