Darin G Billerbeck
CIK 1388177 · View on SEC EDGAR ↗
First SEC filing: June 7, 2018 · Latest: June 7, 2018
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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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 8, 2023 | MRAM | S | 10,000 | $8.73 | $87,300 | 82,775 Direct | -10.78% | Disposed | 97.8% (price as of 2026-08-21) |
| Aug. 15, 2023 | MRAM | S | 10,000 | $9.63 | $96,300 | 92,775 Direct | -9.73% | Disposed | 79.3% (price as of 2026-08-21) |
| Aug. 15, 2023 | MRAM | S | 10,000 | $9.63 | $96,300 | 102,775 Direct | -8.87% | Disposed | 79.3% (price as of 2026-08-21) |
| March 8, 2023 | MRAM | S | 10,000 | $6.67 | $66,700 | 86,197 Direct | -10.40% | Disposed | 158.8% (price as of 2026-08-21) |
| Jan. 3, 2023 | MRAM | S | 1,281 | $5.51 | $7,058 | 96,197 Direct | -1.31% | Disposed | 213.3% (price as of 2026-08-21) |
| Dec. 2, 2022 | MRAM | S | 3,637 | $6.31 | $22,949 | 97,478 Direct | -3.60% | Disposed | 173.6% (price as of 2026-08-21) |
| Nov. 2, 2022 | MRAM | S | 3,527 | $6.16 | $21,726 | 101,115 Direct | -3.37% | Disposed | 180.3% (price as of 2026-08-21) |
| Oct. 1, 2022 | MRAM | S | 3,375 | $6.18 | $20,858 | 104,642 Direct | -3.12% | Disposed | 179.4% (price as of 2026-08-21) |
| Sept. 1, 2022 | MRAM | S | 3,524 | $6.89 | $24,280 | 108,017 Direct | -3.16% | Disposed | 150.6% (price as of 2026-08-21) |
| Aug. 2, 2022 | MRAM | S | 3,566 | $5.91 | $21,075 | 111,541 Direct | -3.10% | Disposed | 192.1% (price as of 2026-08-21) |
| July 5, 2022 | MRAM | S | 3,595 | $4.93 | $17,723 | 115,107 Direct | -3.03% | Disposed | 250.2% (price as of 2026-08-21) |
| June 1, 2022 | MRAM | S | 3,513 | $6.13 | $21,535 | 118,702 Direct | -2.87% | Disposed | 181.6% (price as of 2026-08-21) |
| Dec. 17, 2021 | MRAM | S | 19,497 | $10.45 | $203,744 | 34,413 Direct | -36.17% | Disposed | 65.2% (price as of 2026-08-21) |
| Dec. 2, 2021 | MRAM | S | 1,547 | $11.43 | $17,682 | 53,910 Direct | -2.79% | Disposed | 51.0% (price as of 2026-08-21) |
| Nov. 19, 2021 | MRAM | S | 38,740 | $12.16 | $471,078 | 55,457 Direct | -41.13% | Disposed | 42.0% (price as of 2026-08-21) |
| Sept. 2, 2021 | MRAM | S | 1,540 | $6.91 | $10,641 | 94,197 Direct | -1.61% | Disposed | 149.9% (price as of 2026-08-21) |
| June 2, 2021 | MRAM | S | 1,524 | $6.21 | $9,464 | 95,737 Direct | -1.57% | Disposed | 178.0% (price as of 2026-08-21) |
| May 20, 2021 | MRAM | S | 3,457 | $5.23 | $18,080 | 97,261 Direct | -3.43% | Disposed | 230.1% (price as of 2026-08-21) |
| March 1, 2021 | MRAM | S | 2,641 | $6.01 | $15,872 | 106,968 Direct | -2.41% | Disposed | 187.3% (price as of 2026-08-21) |
Showing latest 100 of 234 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 |
|---|---|---|---|---|---|---|---|
| Aug. 15, 2023 | MRAM | Nonqualified Stock Option (Right to Buy) | Common Stock (10,000) | $8.52 | Aug. 19, 2028 | 10,000 | Disposed |
| May 21, 2019 | MRAM | Nonqualified Stock Option (Right to Buy) | Common Stock (12,000) | $7.20 | May 20, 2029 | 12,000 | Acquired |
| Aug. 20, 2018 | MRAM | Nonqualified Stock Option (Right to Buy) | Common Stock (30,000) | $8.52 | Aug. 19, 2028 | 30,000 | Acquired |
| May 31, 2018 | LSCC | Restricted Stock Unit (RSU) | Common Stock (226,608) | — | — | 226,608 | Disposed |
| Feb. 13, 2018 | LSCC | Restricted Stock Unit (RSU) | Common Stock (10,437) | — | — | 10,437 | Disposed |
| Feb. 11, 2018 | LSCC | Restricted Stock Unit (RSU) | Common Stock (6,162) | — | — | 6,162 | Disposed |
| Feb. 6, 2018 | LSCC | Restricted Stock Unit (RSU) | Common Stock (10,246) | — | — | 10,246 | Disposed |
| Nov. 13, 2017 | LSCC | Restricted Stock Unit (RSU) | Common Stock (10,438) | — | — | 10,438 | Disposed |
| Nov. 11, 2017 | LSCC | Restricted Stock Unit (RSU) | Common Stock (6,162) | — | — | 6,162 | Disposed |
| Nov. 6, 2017 | LSCC | Restricted Stock Unit (RSU) | Common Stock (10,245) | — | — | 10,245 | Disposed |
| Nov. 3, 2017 | LSCC | Restricted Stock Unit (RSU) | Common Stock (70,000) | — | — | 70,000 | Acquired |
| Oct. 18, 2017 | LSCC | Restricted Stock Unit (RSU) | Common Stock (210,300) | — | — | 210,300 | Acquired |
| Oct. 18, 2017 | LSCC | Performance Non-Qualified Stock Option (right to buy) | Common Stock (177,900) | $5.73 | Oct. 18, 2024 | 177,900 | Acquired |
| Oct. 18, 2017 | LSCC | Non-Qualified Stock Option (right to buy) | Common Stock (256,500) | $5.73 | Oct. 18, 2024 | 256,500 | Acquired |
| Oct. 18, 2017 | LSCC | Non-Qualified Stock Option (right to buy) | Common Stock (574,600) | $4.86 | Nov. 8, 2017 | 574,600 | Disposed |
| Oct. 18, 2017 | LSCC | Non-Qualified Stock Option (right to buy) | Common Stock (574,600) | $4.86 | Nov. 8, 2017 | 574,600 | Disposed |
| Aug. 13, 2017 | LSCC | Restricted Stock Unit (RSU) | Common Stock (10,437) | — | — | 10,437 | Disposed |
| Aug. 11, 2017 | LSCC | Restricted Stock Unit (RSU) | Common Stock (6,162) | — | — | 6,162 | Disposed |
| Aug. 6, 2017 | LSCC | Restricted Stock Unit (RSU) | Common Stock (10,246) | — | — | 10,246 | Disposed |
| May 13, 2017 | LSCC | Restricted Stock Unit (RSU) | Common Stock (41,750) | — | — | 41,750 | Disposed |
| May 11, 2017 | LSCC | Restricted Stock Unit (RSU) | Common Stock (6,162) | — | — | 6,162 | Disposed |
| May 6, 2017 | LSCC | Restricted Stock Unit (RSU) | Common Stock (10,246) | — | — | 10,246 | Disposed |
| Feb. 11, 2017 | LSCC | Restricted Stock Unit (RSU) | Common Stock (6,162) | — | — | 6,162 | Disposed |
| Feb. 6, 2017 | LSCC | Restricted Stock Unit (RSU) | Common Stock (10,246) | — | — | 10,246 | Disposed |
| Nov. 11, 2016 | LSCC | Restricted Stock Unit (RSU) | Common Stock (6,162) | — | — | 6,162 | Disposed |
| Aug. 11, 2016 | LSCC | Restricted Stock Unit (RSU) | Common Stock (6,162) | — | — | 6,162 | Disposed |
| Aug. 6, 2016 | LSCC | Restricted Stock Unit (RSU) | Common Stock (10,246) | — | — | 10,246 | Disposed |
| May 13, 2016 | LSCC | Restricted Stock Unit (RSU) | Common Stock (167,000) | — | — | 167,000 | Acquired |
| May 13, 2016 | LSCC | Non-Qualified Stock Option (right to buy) | Common Stock (139,900) | $5.28 | May 13, 2023 | 139,900 | Acquired |
| May 13, 2016 | LSCC | Non-Qualified Stock Option (right to buy) | Common Stock (202,000) | $5.28 | May 13, 2023 | 202,000 | Acquired |
| May 11, 2016 | LSCC | Restricted Stock Unit (RSU) | Common Stock (6,162) | — | — | 6,162 | Disposed |
| May 6, 2016 | LSCC | Restricted Stock Unit (RSU) | Common Stock (10,245) | — | — | 10,245 | Disposed |
| Feb. 11, 2016 | LSCC | Restricted Stock Unit (RSU) | Common Stock (6,162) | — | — | 6,162 | Disposed |
| Feb. 6, 2016 | LSCC | Restricted Stock Unit (RSU) | Common Stock (40,984) | — | — | 40,984 | Disposed |
| Nov. 11, 2015 | LSCC | Restricted Stock Unit (RSU) | Common Stock (6,162) | — | — | 6,162 | Disposed |
| Nov. 6, 2015 | LSCC | Restricted Stock Unit (RSU) | Common Stock (10,246) | — | — | 10,246 | Disposed |
| Aug. 11, 2015 | LSCC | Restricted Stock Unit (RSU) | Common Stock (6,162) | — | — | 6,162 | Disposed |
| May 11, 2015 | LSCC | Restricted Stock Unit (RSU) | Common Stock (6,162) | — | — | 6,162 | Disposed |
| March 30, 2015 | LSCC | Restricted Stock Unit (RSU) | Common Stock (12,967) | — | — | 12,967 | Disposed |
| Feb. 11, 2015 | LSCC | Restricted Stock Unit (RSU) | Common Stock (24,648) | — | — | 24,648 | Disposed |
| Feb. 6, 2015 | LSCC | Performance Non-Qualified Stock Option (right to buy) | Common Stock (137,363) | $6.10 | Feb. 6, 2022 | 137,363 | Acquired |
| Feb. 6, 2015 | LSCC | Non-Qualified Stock Option (right to buy) | Common Stock (198,161) | $6.10 | Feb. 6, 2022 | 198,161 | Acquired |
| Feb. 6, 2015 | LSCC | Restricted Stock Unit (RSU) | Common Stock (163,934) | — | — | 163,934 | Acquired |
| Feb. 6, 2015 | LSCC | Performance Non-Qualified Stock Option (right to buy) | Common Stock (137,363) | $6.10 | Feb. 6, 2025 | 137,363 | Acquired |
| Feb. 6, 2015 | LSCC | Non-Qualified Stock Option (right to buy) | Common Stock (198,161) | $6.10 | Feb. 6, 2025 | 198,161 | Acquired |
| Feb. 5, 2015 | LSCC | Restricted Stock Unit (RSU) | Common Stock (26,940) | — | — | 26,940 | Disposed |
| Feb. 2, 2015 | LSCC | Restricted Stock Unit (RSU) | Common Stock (2,481) | — | — | 2,481 | Disposed |
| Dec. 30, 2014 | LSCC | Restricted Stock Unit (RSU) | Common Stock (12,966) | — | — | 12,966 | Disposed |
| Nov. 5, 2014 | LSCC | Restricted Stock Unit (RSU) | Common Stock (26,939) | — | — | 26,939 | Disposed |
| Nov. 3, 2014 | LSCC | Restricted Stock Unit (RSU) | Common Stock (2,480) | — | — | 2,480 | Disposed |
| Sept. 30, 2014 | LSCC | Restricted Stock Unit (RSU) | Common Stock (12,967) | — | — | 12,967 | Disposed |
| Aug. 5, 2014 | LSCC | Restricted Stock Unit (RSU) | Common Stock (26,940) | — | — | 26,940 | Disposed |
| Aug. 1, 2014 | LSCC | Restricted Stock Unit (RSU) | Common Stock (2,480) | — | — | 2,480 | Disposed |
| June 30, 2014 | LSCC | Restricted Stock Unit (RSU) | Common Stock (12,966) | — | — | 12,966 | Disposed |
| May 14, 2014 | LSCC | Non-Qualified Stock Option (right to buy) | Common Stock (100,000) | $4.86 | Nov. 8, 2017 | 100,000 | Disposed |
| May 5, 2014 | LSCC | Restricted Stock Unit (RSU) | Common Stock (26,939) | — | — | 26,939 | Disposed |
| May 2, 2014 | LSCC | Non-Qualified Stock Option (right to buy) | Common Stock (75,400) | $4.86 | Nov. 8, 2017 | 75,400 | Disposed |
| May 1, 2014 | LSCC | Restricted Stock Unit (RSU) | Common Stock (2,480) | — | — | 2,480 | Disposed |
| April 25, 2014 | LSCC | Performance Restricted Stock Unit (PRSU) | Common Stock (49,296) | — | — | 49,296 | Disposed |
| March 31, 2014 | LSCC | Restricted Stock Unit (RSU) | Common Stock (12,967) | — | — | 12,967 | Disposed |
| Feb. 20, 2014 | LSCC | Performance Restricted Stock Unit (PRSU) | Common Stock (49,296) | — | — | 49,296 | Disposed |
| Feb. 11, 2014 | LSCC | Restricted Stock Unit (RSU) | Common Stock (98,592) | — | — | 98,592 | Acquired |
| Feb. 11, 2014 | LSCC | Performance Restricted Stock Unit (PRSU) | Common Stock (98,592) | — | — | 98,592 | Acquired |
| Feb. 11, 2014 | LSCC | Non-Qualified Stock Option (right to buy) | Common Stock (462,596) | $7.10 | Feb. 11, 2021 | 462,596 | Acquired |
| Feb. 5, 2014 | LSCC | Restricted Stock Unit (RSU) | Common Stock (107,759) | — | — | 107,759 | Disposed |
| Feb. 3, 2014 | LSCC | Restricted Stock Unit (RSU) | Common Stock (2,480) | — | — | 2,480 | Disposed |
| Dec. 30, 2013 | LSCC | Restricted Stock Unit (RSU) | Common Stock (12,966) | — | — | 12,966 | Disposed |
| Nov. 1, 2013 | LSCC | Restricted Stock Unit (RSU) | Common Stock (2,480) | — | — | 2,480 | Disposed |
| Sept. 30, 2013 | LSCC | Restricted Stock Unit (RSU) | Common Stock (12,967) | — | — | 12,967 | Disposed |
| Aug. 1, 2013 | LSCC | Restricted Stock Unit (RSU) | Common Stock (2,481) | — | — | 2,481 | Disposed |
| July 1, 2013 | LSCC | Restricted Stock Unit (RSU) | Common Stock (12,966) | — | — | 12,966 | Disposed |
| May 1, 2013 | LSCC | Restricted Stock Unit (RSU) | Common Stock (2,480) | — | — | 2,480 | Disposed |
| April 1, 2013 | LSCC | Restricted Stock Unit (RSU) | Common Stock (51,789) | — | — | 51,789 | Disposed |
| Feb. 5, 2013 | LSCC | Restricted Stock Unit (RSU) | Common Stock (215,517) | — | — | 215,517 | Acquired |
| Feb. 5, 2013 | LSCC | Non-Qualified Stock Option (right to buy) | Common Stock (480,000) | $4.64 | Feb. 5, 2020 | 480,000 | Acquired |
| Feb. 1, 2013 | LSCC | Restricted Stock Unit (RSU) | Common Stock (2,480) | — | — | 2,480 | Disposed |
| Nov. 1, 2012 | LSCC | Restricted Stock Unit (RSU) | Common Stock (2,480) | — | — | 2,480 | Disposed |
| Aug. 1, 2012 | LSCC | Restricted Stock Unit (RSU) | Common Stock (2,480) | — | — | 2,480 | Disposed |
| May 1, 2012 | LSCC | Restricted Stock Unit (RSU) | Common Stock (2,480) | — | — | 2,480 | Disposed |
| March 30, 2012 | LSCC | Restricted Stock Unit (RSU) | Common Stock (155,521) | — | — | 155,521 | Acquired |
| Feb. 1, 2012 | LSCC | Restricted Stock Unit (RSU) | Common Stock (9,921) | — | — | 9,921 | Disposed |
| Feb. 1, 2011 | LSCC | Restricted Stock Unit (RSU) | Common Stock (39,683) | — | — | 39,683 | Acquired |
| Nov. 8, 2010 | LSCC | Non-Qualified Stock Option (right to buy) | Common Stock (750,000) | $4.86 | Nov. 8, 2017 | 750,000 | 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.
MRAM
CEO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2021 | $400,000 | — | $447,000 | — | $575,531 | — | $72,834 | $1,495,365 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.