Eric Bjerkholt
Insider
First SEC filing: June 9, 2026 · Latest: June 9, 2026
Insider at
Insider transactions
0 buys (P)
13 sells (S)
Net: $-3,615,292
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 14, 2026 | MIRM | S | 9,943 | $98.37 | $978,093 | 44,745 Direct | -18.18% | Disposed | -15.7% (price as of 2026-10-02) |
| Sept. 11, 2026 | MIRM | M | 18,333 | · | · | 54,688 Direct | +50.43% | Acquired | (price as of 2026-10-02) |
| Sept. 11, 2026 | MIRM | M | 18,333 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 11, 2026 | MIRM | S 10b5-1 | 6,001 | $99.90 | $599,500 | 36,355 Direct | -14.17% | Disposed | -17.0% (price as of 2026-10-02) |
| July 6, 2026 | MIRM | S 10b5-1 | 300 | $124.94 | $37,482 | 42,181 Direct | -0.71% | Disposed | -33.6% (price as of 2026-10-02) |
| July 6, 2026 | MIRM | S 10b5-1 | 528 | $123.84 | $65,388 | 42,481 Direct | -1.23% | Disposed | -33.0% (price as of 2026-10-02) |
| July 6, 2026 | MIRM | S 10b5-1 | 1,048 | $122.43 | $128,307 | 43,009 Direct | -2.38% | Disposed | -32.3% (price as of 2026-10-02) |
| July 6, 2026 | MIRM | S 10b5-1 | 3,124 | $121.67 | $380,097 | 44,057 Direct | -6.62% | Disposed | -31.8% (price as of 2026-10-02) |
| June 9, 2026 | CERS | S | 20,454 | $2.60 | $53,180 | 261,679 Direct | -7.25% | Disposed | -12.3% (price as of 2026-10-02) |
| June 9, 2026 | MGX | A | 21,000 | · | · | 21,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 9, 2026 | MIRM | M | 2,393 | · | · | 26,653 Direct | -8.24% | Disposed | (price as of 2026-10-02) |
| June 9, 2026 | MIRM | M | 2,393 | $26.49 | $63,391 | 47,181 Direct | +5.34% | Acquired | 213.1% (price as of 2026-10-02) |
| June 8, 2026 | MIRM | S 10b5-1 | 1,567 | $95.12 | $149,053 | 44,788 Direct | -3.38% | Disposed | -12.8% (price as of 2026-10-02) |
| June 8, 2026 | MIRM | S 10b5-1 | 1,175 | $93.95 | $110,391 | 46,355 Direct | -2.47% | Disposed | -11.7% (price as of 2026-10-02) |
| June 8, 2026 | MIRM | S 10b5-1 | 2,258 | $92.84 | $209,633 | 47,530 Direct | -4.54% | Disposed | -10.7% (price as of 2026-10-02) |
| June 2, 2026 | CERS | A | 60,000 | · | · | 282,133 Direct | +27.01% | Acquired | (price as of 2026-10-02) |
| May 13, 2026 | SRZN | A | 5,550 | · | · | 5,550 Direct | · | Acquired | (price as of 2026-10-02) |
| March 16, 2026 | MIRM | S | 7,287 | $91.98 | $670,258 | 49,788 Direct | -12.77% | Disposed | -9.8% (price as of 2026-10-02) |
| March 15, 2026 | MIRM | M | 13,334 | · | · | 6,666 Direct | -66.67% | Disposed | (price as of 2026-10-02) |
| March 15, 2026 | MIRM | M | 13,334 | · | · | 57,075 Direct | +30.48% | Acquired | (price as of 2026-10-02) |
| Jan. 28, 2026 | MIRM | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 28, 2026 | MIRM | A | 11,760 | · | · | 11,760 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 28, 2026 | MIRM | A | 18,140 | · | · | 18,140 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 26, 2026 | MIRM | S | 1,053 | $96.19 | $101,288 | 43,741 Direct | -2.35% | Disposed | -13.8% (price as of 2026-10-02) |
| Jan. 23, 2026 | MIRM | M | 2,667 | · | · | 2,666 Direct | -50.01% | Disposed | (price as of 2026-10-02) |
| Jan. 23, 2026 | MIRM | M | 2,667 | · | · | 44,794 Direct | +6.33% | Acquired | (price as of 2026-10-02) |
| Jan. 22, 2026 | MIRM | S | 1,421 | $93.33 | $132,622 | 42,127 Direct | -3.26% | Disposed | -11.1% (price as of 2026-10-02) |
| Jan. 21, 2026 | MIRM | M | 3,334 | · | · | 6,666 Direct | -33.34% | Disposed | (price as of 2026-10-02) |
| Jan. 21, 2026 | MIRM | M | 3,334 | · | · | 43,548 Direct | +8.29% | Acquired | (price as of 2026-10-02) |
| Sept. 12, 2025 | MIRM | S | 9,578 | $76.01 | $728,024 | 39,945 Direct | -19.34% | Disposed | 9.1% (price as of 2026-10-02) |
| Sept. 11, 2025 | MIRM | M | 18,333 | · | · | 49,523 Direct | +58.78% | Acquired | (price as of 2026-10-02) |
| Sept. 11, 2025 | MIRM | M | 18,333 | · | · | 18,333 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Aug. 12, 2025 | MIRM | M | 2,954 | $26.49 | $78,251 | 31,190 Direct | +10.46% | Acquired | 213.1% (price as of 2026-10-02) |
| Aug. 12, 2025 | MIRM | M | 2,954 | · | · | 29,046 Direct | -9.23% | Disposed | (price as of 2026-10-02) |
| Aug. 11, 2025 | MIRM | S | 8,000 | · | · | 28,236 Direct | -22.08% | Disposed | (price as of 2026-10-02) |
| June 10, 2025 | MGX | A | 8,572 | · | · | 8,572 Direct | · | Acquired | (price as of 2026-10-02) |
| June 3, 2025 | CERS | A | 60,000 | · | · | 222,133 Direct | +37.01% | Acquired | (price as of 2026-10-02) |
| May 14, 2025 | SRZN | A | 1,333 | · | · | 1,333 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 3, 2025 | MGX | A | 42,000 | · | · | 42,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 23, 2025 | MIRM | M | 2,667 | · | · | 35,946 Direct | +8.01% | Acquired | (price as of 2026-10-02) |
| Jan. 23, 2025 | MIRM | M | 2,667 | · | · | 5,333 Direct | -33.34% | Disposed | (price as of 2026-10-02) |
| Jan. 21, 2025 | MIRM | A | 40,000 | · | · | 40,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 21, 2025 | MIRM | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 12, 2024 | CERS | S | 20,000 | $1.78 | $35,600 | 162,133 Direct | -10.98% | Disposed | 28.1% (price as of 2026-10-02) |
| Nov. 8, 2024 | MIRM | A | 475 | $21.05 | $9,999 | 33,279 Direct | +1.45% | Acquired | 294.0% (price as of 2026-10-02) |
| Sept. 11, 2024 | MIRM | M | 18,334 | · | · | 32,804 Direct | +126.70% | Acquired | (price as of 2026-10-02) |
| Sept. 11, 2024 | MIRM | M | 18,334 | · | · | 36,666 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Aug. 27, 2024 | CALC | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 5, 2024 | SRZN | A | 1,333 | · | · | 1,333 Direct | · | Acquired | (price as of 2026-10-02) |
| June 5, 2024 | CERS | A | 40,000 | $5.00 | $200,000 | 182,133 Direct | +28.14% | Acquired | -54.4% (price as of 2026-10-02) |
| May 10, 2024 | MIRM | A | 470 | $21.05 | $9,894 | 14,470 Direct | +3.36% | Acquired | 294.0% (price as of 2026-10-02) |
| March 28, 2024 | CALC | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 27, 2024 | MIRM | P | 2,000 | $24.80 | $49,600 | 14,000 Direct | +16.67% | Acquired | 234.4% (price as of 2026-10-02) |
| March 18, 2024 | MIRM | P | 2,000 | $25.80 | $51,600 | 12,000 Direct | +20.00% | Acquired | 221.4% (price as of 2026-10-02) |
| Jan. 23, 2024 | MIRM | A | 32,000 | · | · | 32,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 23, 2024 | MIRM | A | 8,000 | · | · | 8,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 13, 2023 | CERS | P | 10,000 | $1.62 | $16,200 | 142,133 Direct | +7.57% | Acquired | 40.7% (price as of 2026-10-02) |
| Sept. 11, 2023 | MIRM | A | 55,000 | · | · | 55,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 11, 2023 | MIRM | A | 110,000 | · | · | 110,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 11, 2023 | MIRM | P | 10,000 | $29.65 | $296,500 | 10,000 Direct | · | Acquired | 179.7% (price as of 2026-10-02) |
| Aug. 21, 2023 | CERS | P | 10,000 | $1.72 | $17,200 | 132,133 Direct | +8.19% | Acquired | 32.6% (price as of 2026-10-02) |
| June 7, 2023 | CERS | A | 40,000 | $5.00 | $200,000 | 122,133 Direct | +48.70% | Acquired | -54.4% (price as of 2026-10-02) |
| May 31, 2023 | CALC | P | 150 | $4.20 | $630 | 3,684 Direct | +4.24% | Acquired | -92.4% (price as of 2026-10-02) |
| May 31, 2023 | CALC | P | 100 | $4.09 | $409 | 3,534 Direct | +2.91% | Acquired | -92.2% (price as of 2026-10-02) |
| May 30, 2023 | CALC | P | 5 | $3.25 | $16 | 3,434 Direct | +0.15% | Acquired | -90.2% (price as of 2026-10-02) |
| May 23, 2023 | CALC | P | 500 | $3.27 | $1,635 | 3,429 Direct | +17.07% | Acquired | -90.2% (price as of 2026-10-02) |
| May 23, 2023 | CERS | P | 5,000 | $2.00 | $10,000 | 82,133 Direct | +6.48% | Acquired | 14.0% (price as of 2026-10-02) |
| May 19, 2023 | CALC | P | 199 | $2.65 | $527 | 2,929 Direct | +7.29% | Acquired | -87.9% (price as of 2026-10-02) |
| May 18, 2023 | CALC | P | 1 | $2.65 | $3 | 2,730 Direct | +0.04% | Acquired | -87.9% (price as of 2026-10-02) |
| May 18, 2023 | SRZN | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 18, 2023 | CALC | P | 300 | $2.70 | $810 | 2,729 Direct | +12.35% | Acquired | -88.1% (price as of 2026-10-02) |
| May 17, 2023 | CALC | P | 200 | $2.67 | $534 | 2,429 Direct | +8.97% | Acquired | -88.0% (price as of 2026-10-02) |
| May 16, 2023 | CALC | P | 800 | $2.70 | $2,160 | 2,229 Direct | +55.98% | Acquired | -88.1% (price as of 2026-10-02) |
| May 8, 2023 | CALC | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 23, 2023 | CALC | D | 1,429 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 23, 2023 | CALC | D | 1,429 | · | · | 1,429 Direct | · | Acquired | (price as of 2026-10-02) |
| June 2, 2022 | CALC | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 2, 2022 | CALC | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 1, 2022 | CERS | A | 39,866 | · | · | 39,866 Direct | · | Acquired | (price as of 2026-10-02) |
| June 1, 2022 | CERS | A | 20,454 | · | · | 77,133 Direct | +36.09% | Acquired | (price as of 2026-10-02) |
| June 2, 2021 | CALC | A | 12,500 | · | · | 12,500 Direct | · | Acquired | (price as of 2026-10-02) |
| June 2, 2021 | CERS | A | 29,983 | · | · | 29,983 Direct | · | Acquired | (price as of 2026-10-02) |
| June 2, 2021 | CERS | A | 14,888 | · | · | 56,679 Direct | +35.62% | Acquired | (price as of 2026-10-02) |
| June 1, 2021 | CERS | M | 13,228 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 1, 2021 | CERS | M | 13,228 | · | · | 41,791 Direct | +46.31% | Acquired | (price as of 2026-10-02) |
| Oct. 5, 2020 | CERS | M | 4,281 | · | · | 4,281 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Oct. 5, 2020 | CERS | M | 4,281 | · | · | 28,563 Direct | +17.63% | Acquired | (price as of 2026-10-02) |
| Sept. 24, 2020 | CALC | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 3, 2020 | CERS | A | 13,228 | · | · | 13,228 Direct | · | Acquired | (price as of 2026-10-02) |
| June 3, 2020 | CERS | A | 28,177 | · | · | 28,177 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2020 | CERS | P | 20,000 | $4.15 | $83,000 | 24,282 Direct | +467.07% | Acquired | -45.1% (price as of 2026-10-02) |
| Oct. 4, 2019 | CERS | M | 4,282 | · | · | 8,562 Direct | -33.34% | Disposed | (price as of 2026-10-02) |
| Oct. 4, 2019 | CERS | M | 4,282 | · | · | 4,282 Direct | · | Acquired | (price as of 2026-10-02) |
| June 5, 2019 | CERS | A | 11,184 | · | · | 11,184 Direct | · | Acquired | (price as of 2026-10-02) |
| June 5, 2019 | CERS | A | 23,703 | · | · | 23,703 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 5, 2018 | CERS | A | 12,844 | · | · | 12,844 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 5, 2018 | CERS | A | 24,013 | · | · | 24,013 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 1, 2016 | MBOT | A | 146,342 | · | · | 273,759 Direct | +114.85% | Acquired | (price as of 2026-10-02) |
| Jan. 1, 2015 | MBOT | A | 58,253 | · | · | 127,417 Direct | +84.22% | Acquired | (price as of 2026-10-02) |
| Jan. 1, 2014 | MBOT | A | 47,164 | · | · | 69,164 Direct | +214.38% | Acquired | (price as of 2026-10-02) |
Showing latest 100 of 111 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 |
|---|---|---|---|---|---|---|---|
| Sept. 11, 2026 | MIRM | Restricted Stock Units | Common Stock | · | · | 18,333 | Disposed |
| June 9, 2026 | MGX | Stock Option (Right to Buy) | Common Stock | $1.23 | June 8, 2036 | 21,000 | Acquired |
| June 9, 2026 | MIRM | Employee Stock Option (right to buy) | Common Stock | $26.49 | Jan. 22, 2034 | 2,393 | Disposed |
| May 13, 2026 | SRZN | Director Stock Option (right to buy) | Common Stock | $30.14 | May 12, 2036 | 5,550 | Acquired |
| March 15, 2026 | MIRM | Performance Restricted Stock Units | Common Stock | · | · | 13,334 | Disposed |
| Jan. 28, 2026 | MIRM | Performance Restricted Stock Units | Common Stock | · | · | 20,000 | Acquired |
| Jan. 28, 2026 | MIRM | Restricted Stock Units | Common Stock | · | · | 11,760 | Acquired |
| Jan. 28, 2026 | MIRM | Stock Option (right to buy) | Common Stock | $100.85 | Jan. 27, 2036 | 18,140 | Acquired |
| Jan. 23, 2026 | MIRM | Restricted Stock Units | Common Stock | · | · | 2,667 | Disposed |
| Jan. 21, 2026 | MIRM | Restricted Stock Units | Common Stock | · | · | 3,334 | Disposed |
| Sept. 11, 2025 | MIRM | Restricted Stock Units | Common Stock | · | · | 18,333 | Disposed |
| Aug. 12, 2025 | MIRM | Employee Stock Option (right to buy) | Common Stock | $26.49 | Jan. 22, 2034 | 2,954 | Disposed |
| June 10, 2025 | MGX | Stock Option (Right to Buy) | Common Stock | $1.57 | June 9, 2035 | 8,572 | Acquired |
| May 14, 2025 | SRZN | Option (right to buy) | Common Stock | $6.50 | May 14, 2035 | 1,333 | Acquired |
| Feb. 3, 2025 | MGX | Stock Option (Right to Buy) | Common Stock | $2.51 | Feb. 2, 2035 | 42,000 | Acquired |
| Jan. 23, 2025 | MIRM | Restricted Stock Units | Common Stock | · | · | 2,667 | Disposed |
| Jan. 21, 2025 | MIRM | Stock Option (right to buy) | Common Stock | $47.98 | Jan. 20, 2035 | 40,000 | Acquired |
| Jan. 21, 2025 | MIRM | Restricted Stock Units | Common Stock | · | · | 10,000 | Acquired |
| Sept. 11, 2024 | MIRM | Restricted Stock Units | Common Stock | · | · | 18,334 | Disposed |
| Aug. 27, 2024 | CALC | Director Stock Option (Right to Buy) | Common Stock | $4.16 | Aug. 26, 2034 | 10,000 | Acquired |
| June 5, 2024 | SRZN | Option (right to buy) | Common Stock | $11.00 | June 5, 2034 | 1,333 | Acquired |
| March 28, 2024 | CALC | Director Stock Option (Right to Buy) | Common Stock | $4.16 | March 27, 2034 | 10,000 | Acquired |
| Jan. 23, 2024 | MIRM | Stock Option (right to buy) | Common Stock | $26.49 | Jan. 22, 2034 | 32,000 | Acquired |
| Jan. 23, 2024 | MIRM | Restricted Stock Units | Common Stock | · | · | 8,000 | Acquired |
| Sept. 11, 2023 | MIRM | Restricted Stock Units | Common Stock | · | · | 55,000 | Acquired |
| Sept. 11, 2023 | MIRM | Stock Option (right to buy) | Common Stock | $30.43 | Sept. 10, 2033 | 110,000 | Acquired |
| May 18, 2023 | SRZN | Option (right to buy) | Common Stock | $0.56 | May 18, 2033 | 20,000 | Acquired |
| May 8, 2023 | CALC | Director Stock Option (Right to Buy) | Common Stock | $3.25 | May 7, 2033 | 20,000 | Acquired |
| March 23, 2023 | CALC | Restricted Stock Unit | Common Stock | · | · | 1,429 | Disposed |
| June 2, 2022 | CALC | Restricted Stock Units | Common Stock | · | · | 20,000 | Acquired |
| June 2, 2022 | CALC | Stock Option (Right to Buy) | Common Stock | $0.98 | June 1, 2032 | 20,000 | Acquired |
| June 1, 2022 | CERS | Option (Right to Buy) | Common Stock | $4.84 | May 31, 2032 | 39,866 | Acquired |
| June 2, 2021 | CALC | Employee Stock Option (Right to Buy) | Common Stock | $4.07 | June 1, 2031 | 12,500 | Acquired |
| June 2, 2021 | CERS | Option (Right to Buy) | Common Stock | $5.62 | June 1, 2031 | 29,983 | Acquired |
| June 1, 2021 | CERS | Restricted Stock Unit | Common Stock | · | · | 13,228 | Disposed |
| Oct. 5, 2020 | CERS | Restricted Stock Unit | Common Stock | · | · | 4,281 | Disposed |
| Sept. 24, 2020 | CALC | Director Stock Option (Right to Buy) | Common Stock | $16.00 | Sept. 23, 2030 | 25,000 | Acquired |
| June 3, 2020 | CERS | Restricted Stock Unit | Common Stock | · | · | 13,228 | Acquired |
| June 3, 2020 | CERS | Option (Right to Buy) | Common Stock | $6.37 | June 2, 2030 | 28,177 | Acquired |
| Oct. 4, 2019 | CERS | Restricted Stock Unit | Common Stock | · | · | 4,282 | Disposed |
| June 5, 2019 | CERS | Restricted Stock Unit | Common Stock | · | · | 11,184 | Acquired |
| June 5, 2019 | CERS | Option (Right to Buy) | Common Stock | $4.80 | June 4, 2029 | 23,703 | Acquired |
| Oct. 5, 2018 | CERS | Restricted Stock Units | Common Stock | · | · | 12,844 | Acquired |
| Oct. 5, 2018 | CERS | Option (Right to Buy) | Common Stock | $6.49 | Oct. 4, 2028 | 24,013 | Acquired |
| March 1, 2009 | MBOT | Stock Option (right to buy) | Common Stock | $1.56 | March 1, 2019 | 10,000 | Acquired |
| March 1, 2008 | MBOT | Stock Option (right to buy) | Common Stock | $1.51 | March 1, 2018 | 10,000 | Acquired |
| March 1, 2007 | MBOT | Stock Option (right to buy) | Common Stock | $2.56 | March 1, 2017 | 10,000 | Acquired |
| March 1, 2006 | MBOT | Stock Option (right to buy) | Common Stock | $2.56 | March 1, 2016 | 10,000 | Acquired |
| March 1, 2006 | MBOT | Stock Option (right to buy) | Common Stock | $3.64 | March 1, 2016 | 10,000 | Acquired |
| March 1, 2005 | MBOT | Stock Option (right to buy) | Common Stock | $4.33 | March 1, 2015 | 10,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.
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 |
|---|---|---|---|---|---|---|---|---|
| 2023 | $151,562 | · | · | · | $95,246 | · | · | $4,337,928 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.