Darin G Billerbeck

CIK 1388177 · View on SEC EDGAR ↗

Insider

First SEC filing: June 7, 2018 · Latest: June 7, 2018

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 81 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

81 other filings hidden
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.