Michael Greiner
First SEC filing: June 2, 2011 · Latest: June 2, 2011
Insider at
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 13, 2025 | AVNS | F | 19,771 | $12.43 | $245,754 | 204,493 Direct | -8.82% | Disposed | |
| May 13, 2025 | AVNS | F | 4,474 | $12.43 | $55,612 | 200,019 Direct | -2.19% | Disposed | |
| March 7, 2025 | AVNS | A | 34,316 | · | · | 224,264 Direct | +18.07% | Acquired | |
| March 7, 2025 | AVNS | A | 73,633 | · | · | 73,633 Direct | · | Acquired | |
| March 6, 2025 | AVNS | F | 5,112 | $15.30 | $78,214 | 198,433 Direct | -2.51% | Disposed | |
| March 6, 2025 | AVNS | F | 8,485 | $15.30 | $129,820 | 189,948 Direct | -4.28% | Disposed | |
| March 4, 2025 | AVNS | M | 12,149 | · | · | 214,235 Direct | +6.01% | Acquired | |
| March 4, 2025 | AVNS | F | 6,048 | $15.13 | $91,506 | 208,187 Direct | -2.82% | Disposed | |
| March 4, 2025 | AVNS | F | 4,642 | $15.13 | $70,233 | 203,545 Direct | -2.23% | Disposed | |
| Dec. 3, 2024 | AVNS | A | 10,000 | · | · | 200,898 Direct | +5.24% | Acquired | |
| Oct. 29, 2024 | AVNS | A | 44,189 | · | · | 190,898 Direct | +30.12% | Acquired | |
| March 18, 2024 | AVNS | M | 4,219 | · | · | 155,714 Direct | +2.78% | Acquired | |
| March 18, 2024 | AVNS | F | 1,892 | $19.09 | $36,118 | 153,822 Direct | -1.22% | Disposed | |
| March 18, 2024 | AVNS | F | 7,113 | $19.09 | $135,787 | 146,709 Direct | -4.62% | Disposed | |
| March 14, 2024 | AVNS | S | 3,800 | $19.11 | $72,618 | 155,695 Direct | -2.38% | Disposed | |
| March 14, 2024 | AVNS | S | 714 | $19.12 | $13,652 | 154,981 Direct | -0.46% | Disposed | |
| March 14, 2024 | AVNS | S | 2,231 | $19.13 | $42,679 | 152,750 Direct | -1.44% | Disposed | |
| March 14, 2024 | AVNS | S | 337 | $19.14 | $6,450 | 152,413 Direct | -0.22% | Disposed | |
| March 14, 2024 | AVNS | S | 808 | $19.15 | $15,473 | 151,605 Direct | -0.53% | Disposed | |
| March 14, 2024 | AVNS | S | 110 | $19.16 | $2,108 | 151,495 Direct | -0.07% | Disposed | |
| March 6, 2024 | AVNS | A | 57,471 | $19.14 | $1,099,995 | 164,613 Direct | +53.64% | Acquired | |
| March 6, 2024 | AVNS | F | 5,118 | $19.00 | $97,242 | 159,495 Direct | -3.11% | Disposed | |
| March 5, 2024 | AVNS | F | 4,991 | $18.76 | $93,631 | 106,312 Direct | -4.48% | Disposed | |
| May 8, 2023 | AVNS | F | 14,710 | $23.97 | $352,599 | 111,303 Direct | -11.67% | Disposed | |
| March 6, 2023 | AVNS | A | 34,619 | · | · | 129,050 Direct | +36.66% | Acquired | |
| March 6, 2023 | AVNS | F | 3,037 | $29.62 | $89,956 | 126,013 Direct | -2.35% | Disposed | |
| March 6, 2023 | AVNS | A | 36,350 | · | · | 130,781 Direct | +38.49% | Acquired | |
| March 6, 2023 | AVNS | F | 3,037 | $29.62 | $89,956 | 127,744 Direct | -2.32% | Disposed | |
| Jan. 3, 2023 | AVNS | F | 4,726 | $27.06 | $127,886 | 93,765 Direct | -4.80% | Disposed | |
| March 4, 2022 | AVNS | A | 30,575 | · | · | 98,491 Direct | +45.02% | Acquired | |
| March 17, 2021 | AVNS | A | 15,861 | $47.29 | $750,067 | 67,244 Direct | +30.87% | Acquired | |
| May 7, 2020 | AVNS | A | 36,681 | $30.67 | $1,125,006 | 51,383 Direct | +249.50% | Acquired | |
| May 7, 2020 | AVNS | A | 38,187 | $30.67 | $1,171,195 | 38,187 Direct | · | Acquired | |
| Jan. 2, 2020 | AVNS | A | 14,702 | $34.01 | $500,015 | 14,702 Direct | · | Acquired | |
| Oct. 16, 2019 | ANGO | A | 15,320 | · | · | 15,320 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 18, 2019 | ANGO | F | 826 | $19.10 | $15,777 | 33,438 Direct | -2.41% | Disposed | -20.9% (price as of 2026-10-02) |
| July 26, 2019 | ANGO | F | 511 | $20.89 | $10,675 | 27,304 Direct | -1.84% | Disposed | -27.7% (price as of 2026-10-02) |
| July 18, 2019 | ANGO | F | 404 | $21.53 | $8,698 | 27,987 Direct | -1.42% | Disposed | -29.8% (price as of 2026-10-02) |
| July 18, 2019 | ANGO | F | 172 | $21.53 | $3,703 | 27,815 Direct | -0.61% | Disposed | -29.8% (price as of 2026-10-02) |
| July 17, 2019 | ANGO | A | 7,660 | · | · | 28,391 Direct | +36.95% | Acquired | (price as of 2026-10-02) |
| July 17, 2019 | ANGO | A | 25,621 | · | · | 25,621 Direct | · | Acquired | (price as of 2026-10-02) |
| July 12, 2019 | ANGO | M | 10,400 | · | · | 37,704 Direct | +38.09% | Acquired | (price as of 2026-10-02) |
| July 12, 2019 | ANGO | F | 3,440 | $21.68 | $74,579 | 34,264 Direct | -9.12% | Disposed | -30.3% (price as of 2026-10-02) |
| July 12, 2019 | ANGO | M | 20,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 7, 2018 | ANGO | S | 1,939 | $21.53 | $41,747 | 20,731 Direct | -8.55% | Disposed | -29.8% (price as of 2026-10-02) |
| July 26, 2018 | ANGO | F | 511 | $21.88 | $11,181 | 22,670 Direct | -2.20% | Disposed | -30.9% (price as of 2026-10-02) |
| July 18, 2018 | ANGO | A | 13,975 | · | · | 13,975 Direct | · | Acquired | (price as of 2026-10-02) |
| July 18, 2018 | ANGO | A | 22,260 | · | · | 22,260 Direct | · | Acquired | (price as of 2026-10-02) |
| July 18, 2018 | ANGO | A | 6,988 | · | · | 23,181 Direct | +43.15% | Acquired | (price as of 2026-10-02) |
| July 26, 2017 | ANGO | A | 12,387 | · | · | 12,387 Direct | · | Acquired | (price as of 2026-10-02) |
| July 26, 2017 | ANGO | A | 21,762 | · | · | 21,762 Direct | · | Acquired | (price as of 2026-10-02) |
| July 26, 2017 | ANGO | A | 6,193 | · | · | 16,193 Direct | +61.93% | Acquired | (price as of 2026-10-02) |
| Aug. 18, 2016 | ANGO | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 18, 2016 | ANGO | A | 100,000 | · | · | 100,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 18, 2016 | ANGO | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 15, 2014 | CMPR | M | 175 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2014 | CMPR | M | 110 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2014 | CMPR | M | 63 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2014 | CMPR | M | 625 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2014 | CMPR | F | 318 | $67.60 | $21,497 | 738 Direct | -30.11% | Disposed | 11.0% (price as of 2026-10-02) |
| Nov. 15, 2014 | CMPR | M | 175 | · | · | 1,056 Direct | +19.86% | Acquired | (price as of 2026-10-02) |
| Nov. 15, 2014 | CMPR | M | 110 | · | · | 881 Direct | +14.27% | Acquired | (price as of 2026-10-02) |
| Nov. 15, 2014 | CMPR | M | 63 | · | · | 771 Direct | +8.90% | Acquired | (price as of 2026-10-02) |
| Nov. 15, 2014 | CMPR | M | 625 | · | · | 708 Direct | +753.01% | Acquired | (price as of 2026-10-02) |
| Aug. 18, 2014 | CMPR | S | 1,010 | $47.20 | $47,672 | 83 Direct | -92.41% | Disposed | 59.0% (price as of 2026-10-02) |
| Aug. 15, 2014 | CMPR | A | 3,172 | · | · | 3,172 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2014 | CMPR | M | 704 | · | · | 2,109 Direct | -25.03% | Disposed | (price as of 2026-10-02) |
| Aug. 15, 2014 | CMPR | M | 111 | · | · | 882 Direct | -11.18% | Disposed | (price as of 2026-10-02) |
| Aug. 15, 2014 | CMPR | M | 62 | · | · | 188 Direct | -24.80% | Disposed | (price as of 2026-10-02) |
| Aug. 15, 2014 | CMPR | M | 625 | · | · | 1,875 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| Aug. 15, 2014 | CMPR | F | 492 | $47.48 | $23,360 | 1,093 Direct | -31.04% | Disposed | 58.0% (price as of 2026-10-02) |
| Aug. 15, 2014 | CMPR | M | 704 | · | · | 1,502 Direct | +88.22% | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2014 | CMPR | M | 111 | · | · | 798 Direct | +16.16% | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2014 | CMPR | M | 62 | · | · | 687 Direct | +9.92% | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2014 | CMPR | M | 625 | · | · | 625 Direct | · | Acquired | (price as of 2026-10-02) |
| May 15, 2014 | CMPR | M | 110 | · | · | 993 Direct | -9.97% | Disposed | (price as of 2026-10-02) |
| May 15, 2014 | CMPR | M | 63 | · | · | 250 Direct | -20.13% | Disposed | (price as of 2026-10-02) |
| May 15, 2014 | CMPR | M | 625 | · | · | 2,500 Direct | -20.00% | Disposed | (price as of 2026-10-02) |
| May 15, 2014 | CMPR | S | 1,031 | $39.06 | $40,271 | 0 Direct | -100.00% | Disposed | 92.1% (price as of 2026-10-02) |
| May 15, 2014 | CMPR | F | 261 | $39.86 | $10,403 | 1,031 Direct | -20.20% | Disposed | 88.3% (price as of 2026-10-02) |
| May 15, 2014 | CMPR | M | 110 | · | · | 1,292 Direct | +9.31% | Acquired | (price as of 2026-10-02) |
| May 15, 2014 | CMPR | M | 63 | · | · | 1,182 Direct | +5.63% | Acquired | (price as of 2026-10-02) |
| May 15, 2014 | CMPR | M | 625 | · | · | 1,119 Direct | +126.52% | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2014 | CMPR | M | 110 | · | · | 1,103 Direct | -9.07% | Disposed | (price as of 2026-10-02) |
| Feb. 15, 2014 | CMPR | M | 62 | · | · | 313 Direct | -16.53% | Disposed | (price as of 2026-10-02) |
| Feb. 15, 2014 | CMPR | M | 625 | · | · | 3,125 Direct | -16.67% | Disposed | (price as of 2026-10-02) |
| Feb. 15, 2014 | CMPR | F | 303 | $50.44 | $15,283 | 494 Direct | -38.02% | Disposed | 48.8% (price as of 2026-10-02) |
| Feb. 15, 2014 | CMPR | M | 110 | · | · | 797 Direct | +16.01% | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2014 | CMPR | M | 62 | · | · | 687 Direct | +9.92% | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2014 | CMPR | M | 625 | · | · | 625 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 15, 2013 | CMPR | M | 110 | · | · | 1,213 Direct | -8.31% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2013 | CMPR | M | 63 | · | · | 375 Direct | -14.38% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2013 | CMPR | M | 625 | · | · | 3,750 Direct | -14.29% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2013 | CMPR | S | 537 | $55.34 | $29,718 | 0 Direct | -100.00% | Disposed | 35.6% (price as of 2026-10-02) |
| Nov. 15, 2013 | CMPR | F | 261 | $55.41 | $14,462 | 537 Direct | -32.71% | Disposed | 35.4% (price as of 2026-10-02) |
| Nov. 15, 2013 | CMPR | M | 110 | · | · | 798 Direct | +15.99% | Acquired | (price as of 2026-10-02) |
| Nov. 15, 2013 | CMPR | M | 63 | · | · | 688 Direct | +10.08% | Acquired | (price as of 2026-10-02) |
| Nov. 15, 2013 | CMPR | M | 625 | · | · | 625 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2013 | CMPR | M | 625 | · | · | 625 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2013 | CMPR | M | 442 | · | · | 1,129 Direct | +64.34% | Acquired | (price as of 2026-10-02) |
Showing latest 100 of 147 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 |
|---|---|---|---|---|---|---|---|
| March 7, 2025 | AVNS | Employee Stock Option (right to buy) | Common Stock | $15.24 | March 7, 2035 | 73,633 | Acquired |
| May 7, 2020 | AVNS | Common Stock | Common Stock | $30.67 | May 7, 2030 | 38,187 | Acquired |
| Oct. 16, 2019 | ANGO | Performance Right | Common Stock | · | · | 15,320 | Acquired |
| July 17, 2019 | ANGO | Non-Qualified Stock Option (right to buy) | Common Stock | $21.54 | July 17, 2029 | 25,621 | Acquired |
| July 12, 2019 | ANGO | Performance Right | Common Stock | · | · | 20,000 | Disposed |
| July 18, 2018 | ANGO | Performance Right | Common Stock | · | · | 13,975 | Acquired |
| July 18, 2018 | ANGO | Non-Qualified Stock Option (right to buy) | Common Stock | $20.93 | July 18, 2028 | 22,260 | Acquired |
| July 26, 2017 | ANGO | Performance Right | Common Stock | · | · | 12,387 | Acquired |
| July 26, 2017 | ANGO | Non-Qualified Stock Option (right to buy) | Common Stock | $16.55 | July 26, 2027 | 21,762 | Acquired |
| Aug. 18, 2016 | ANGO | Performance Right | Common Stock | · | · | 20,000 | Acquired |
| Aug. 18, 2016 | ANGO | Non-Qualified Stock Option (right to buy) | Common Stock | $16.07 | Aug. 18, 2023 | 100,000 | Acquired |
| Nov. 15, 2014 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | Aug. 15, 2017 | 175 | Disposed |
| Nov. 15, 2014 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | Aug. 15, 2016 | 110 | Disposed |
| Nov. 15, 2014 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 63 | Disposed |
| Nov. 15, 2014 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 625 | Disposed |
| Aug. 15, 2014 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | Aug. 15, 2018 | 3,172 | Acquired |
| Aug. 15, 2014 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | Aug. 15, 2017 | 704 | Disposed |
| Aug. 15, 2014 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | Aug. 15, 2016 | 111 | Disposed |
| Aug. 15, 2014 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 62 | Disposed |
| Aug. 15, 2014 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 625 | Disposed |
| May 15, 2014 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | Aug. 15, 2016 | 110 | Disposed |
| May 15, 2014 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 63 | Disposed |
| May 15, 2014 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 625 | Disposed |
| Feb. 15, 2014 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | Aug. 15, 2016 | 110 | Disposed |
| Feb. 15, 2014 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 62 | Disposed |
| Feb. 15, 2014 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 625 | Disposed |
| Nov. 15, 2013 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | Aug. 15, 2016 | 110 | Disposed |
| Nov. 15, 2013 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 63 | Disposed |
| Nov. 15, 2013 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 625 | Disposed |
| Aug. 15, 2013 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | Aug. 15, 2016 | 442 | Disposed |
| Aug. 15, 2013 | CMPR | Restricted Share Units (right to acquire) [F6] | Ordinary Shares | · | Aug. 15, 2017 | 2,813 | Acquired |
| Aug. 15, 2013 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 62 | Disposed |
| Aug. 15, 2013 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 625 | Disposed |
| Aug. 15, 2013 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 625 | Disposed |
| Aug. 15, 2013 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 62 | Disposed |
| Aug. 15, 2013 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | Aug. 15, 2016 | 442 | Disposed |
| May 15, 2013 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 63 | Disposed |
| May 15, 2013 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 625 | Disposed |
| Feb. 15, 2013 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 62 | Disposed |
| Feb. 15, 2013 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 625 | Disposed |
| Nov. 15, 2012 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 63 | Disposed |
| Nov. 15, 2012 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 625 | Disposed |
| Aug. 15, 2012 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | Aug. 15, 2016 | 1,765 | Acquired |
| Aug. 15, 2012 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 62 | Disposed |
| Aug. 15, 2012 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 625 | Disposed |
| May 15, 2012 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 250 | Disposed |
| May 15, 2012 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 2,500 | Disposed |
| Aug. 31, 2011 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 1,000 | Acquired |
| May 31, 2011 | CMPR | Restricted Share Units (right to acquire) | Ordinary Shares | · | May 15, 2015 | 10,000 | Acquired |
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 |
|---|---|---|---|---|
| June 2, 2011 | CMPR | Ordinary Shares | 0 | Direct |