Laurence M Corash

CIK 1193209 · View on SEC EDGAR ↗

Insider

First SEC filing: Oct. 4, 2005 · Latest: Oct. 4, 2005

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Insider at

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
March 14, 2024 CERS S 10b5-1 14,360 $1.97 $28,289 2,339,740 Direct -0.61% Disposed 44.9% (price as of 2026-08-20)
March 13, 2024 CERS S 10b5-1 14,067 $2.06 $28,978 2,354,100 Direct -0.59% Disposed 38.6% (price as of 2026-08-20)
March 13, 2023 CERS S 10b5-1 5,745 $2.80 $16,086 2,261,501 Direct -0.25% Disposed 2.0% (price as of 2026-08-20)
March 13, 2023 CERS S 10b5-1 9,597 $2.80 $26,872 2,250,579 Direct -0.42% Disposed 2.0% (price as of 2026-08-20)
March 14, 2022 CERS S 10b5-1 5,982 $5.04 $30,149 2,126,716 Direct -0.28% Disposed -43.4% (price as of 2026-08-20)
March 14, 2022 CERS S 10b5-1 8,173 $5.04 $41,192 2,116,031 Direct -0.38% Disposed -43.4% (price as of 2026-08-20)
March 14, 2022 CERS S 10b5-1 16,152 $5.04 $81,406 2,101,434 Direct -0.76% Disposed -43.4% (price as of 2026-08-20)
March 15, 2021 CERS S 10b5-1 15,786 $6.38 $100,715 1,942,605 Direct -0.81% Disposed -55.3% (price as of 2026-08-20)
March 15, 2021 CERS S 10b5-1 7,989 $6.38 $50,970 1,957,386 Direct -0.41% Disposed -55.3% (price as of 2026-08-20)
March 17, 2020 CERS S 10b5-1 17,500 $3.59 $62,825 1,802,758 Direct -0.96% Disposed -20.5% (price as of 2026-08-20)
March 15, 2018 CERS P 32,100 $5.27 $169,167 1,602,591 Direct +2.04% Acquired -45.8% (price as of 2026-08-20)
March 14, 2018 CERS P 17,911 $5.19 $92,958 1,570,491 Direct +1.15% Acquired -45.0% (price as of 2026-08-20)
March 13, 2018 CERS P 90,000 $5.13 $461,700 1,552,580 Direct +6.15% Acquired -44.3% (price as of 2026-08-20)
March 12, 2018 CERS P 10,000 $4.95 $49,500 1,462,580 Direct +0.69% Acquired -42.3% (price as of 2026-08-20)
Aug. 11, 2017 CERS P 46,030 $2.46 $113,234 1,421,741 Direct +3.35% Acquired 16.1% (price as of 2026-08-20)
Aug. 10, 2017 CERS P 46,766 $2.44 $114,109 1,375,711 Direct +3.52% Acquired 17.0% (price as of 2026-08-20)
Aug. 20, 2015 CERS P 19,500 $4.95 $96,525 1,289,756 Direct +1.54% Acquired -42.3% (price as of 2026-08-20)
Aug. 19, 2015 CERS P 25,900 $4.99 $129,241 1,270,256 Direct +2.08% Acquired -42.8% (price as of 2026-08-20)
Aug. 18, 2015 CERS P 6,718 $4.92 $33,053 1,244,356 Direct +0.54% Acquired -42.0% (price as of 2026-08-20)

Showing latest 100 of 209 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 12, 2024 CERS Restricted Stock Unit Common Stock (16,666) — — 16,666 Disposed
March 12, 2023 CERS Restricted Stock Unit Common Stock (16,667) — — 16,667 Disposed
March 12, 2023 CERS Restricted Stock Unit Common Stock (23,460) — — 23,460 Disposed
March 12, 2022 CERS Restricted Stock Unit Common Stock (16,667) — — 16,667 Disposed
March 12, 2022 CERS Restricted Stock Unit Common Stock (22,770) — — 22,770 Disposed
March 12, 2022 CERS Restricted Stock Unit Common Stock (45,000) — — 45,000 Disposed
March 1, 2022 CERS Option (Right to Buy) Common Stock (90,000) $5.76 Feb. 28, 2032 90,000 Acquired
Dec. 17, 2021 CERS Option (Right to Buy) Common Stock (5,000) $3.75 Feb. 28, 2022 5,000 Disposed
Dec. 13, 2021 CERS Option (Right to Buy) Common Stock (40,000) $3.75 Feb. 28, 2022 40,000 Disposed
April 30, 2021 CERS Option (Right to Buy) Common Stock (25,200) $3.66 Feb. 28, 2023 25,200 Disposed
March 12, 2021 CERS Restricted Stock Unit Common Stock (15,833) — — 15,833 Disposed
March 12, 2021 CERS Restricted Stock Unit Common Stock (45,000) — — 45,000 Disposed
March 12, 2021 CERS Restricted Stock Unit Common Stock (22,770) — — 22,770 Disposed
March 1, 2021 CERS Restricted Stock Unit Common Stock (50,000) — — 50,000 Acquired
March 1, 2021 CERS Option (Right to Buy) Common Stock (100,000) $6.52 Feb. 28, 2031 100,000 Acquired
April 22, 2020 CERS Option (Right to Buy) Common Stock (94,800) $3.66 Feb. 28, 2023 94,800 Disposed
March 12, 2020 CERS Restricted Stock Unit Common Stock (45,000) — — 45,000 Disposed
March 12, 2020 CERS Restricted Stock Unit Common Stock (15,833) — — 15,833 Disposed
March 12, 2020 CERS Restricted Stock Unit Common Stock (7,500) — — 7,500 Disposed
March 2, 2020 CERS Restricted Stock Unit Common Stock (69,000) — — 69,000 Acquired
March 2, 2020 CERS Option (Right to Buy) Common Stock (138,000) $5.11 March 1, 2030 138,000 Acquired
Nov. 1, 2019 CERS Option (Right to Buy) Common Stock (13,000) $3.75 Feb. 28, 2022 13,000 Disposed
Oct. 25, 2019 CERS Option (Right to Buy) Common Stock (12,000) $3.75 Feb. 28, 2022 12,000 Disposed
Oct. 9, 2019 CERS Option (Right to Buy) Common Stock (30,000) $3.75 Feb. 28, 2022 30,000 Disposed
Oct. 2, 2019 CERS Option (Right to Buy) Common Stock (30,000) $3.75 Feb. 28, 2022 30,000 Disposed
June 6, 2019 CERS Restricted Stock Unit Common Stock (135,000) — — 135,000 Acquired
March 12, 2019 CERS Restricted Stock Unit Common Stock (15,834) — — 15,834 Disposed
March 12, 2019 CERS Restricted Stock Unit Common Stock (7,500) — — 7,500 Disposed
March 12, 2019 CERS Restricted Stock Unit Common Stock (15,834) — — 15,834 Disposed
March 12, 2019 CERS Restricted Stock Unit Common Stock (7,500) — — 7,500 Disposed
March 10, 2019 CERS Restricted Stock Unit Common Stock (6,000) — — 6,000 Disposed
March 10, 2019 CERS Restricted Stock Unit Common Stock (6,000) — — 6,000 Disposed
July 25, 2018 CERS Option (Right to Buy) Common Stock (35,000) $4.19 Sept. 30, 2018 35,000 Disposed
March 12, 2018 CERS Restricted Stock Unit Common Stock (7,500) — — 7,500 Disposed
March 10, 2018 CERS Restricted Stock Unit Common Stock (6,000) — — 6,000 Disposed
March 1, 2018 CERS Restricted Stock Unit Common Stock (47,500) — — 47,500 Acquired
March 1, 2018 CERS Option (Right to Buy) Common Stock (95,000) $4.32 Feb. 28, 2028 95,000 Acquired
Aug. 15, 2017 CERS Option (Right to Buy) Common Stock (16,250) $2.08 Aug. 31, 2021 16,250 Disposed
March 10, 2017 CERS Restricted Stock Unit Common Stock (6,000) — — 6,000 Disposed
March 1, 2017 CERS Restricted Stock Unit Common Stock (22,500) — — 22,500 Acquired
March 1, 2017 CERS Option (Right to Buy) Common Stock (100,000) $4.33 Feb. 28, 2027 100,000 Acquired
Sept. 22, 2016 CERS Option (Right to Buy) Common Stock (21,000) $5.55 Oct. 1, 2016 21,000 Disposed
Sept. 15, 2016 CERS Option (Right to Buy) Common Stock (9,000) $5.55 Oct. 1, 2016 9,000 Disposed
March 1, 2016 CERS Restricted Stock Unit Common Stock (18,000) — — 18,000 Acquired
March 1, 2016 CERS Option (Right to Buy) Common Stock (90,000) $5.06 Feb. 28, 2026 90,000 Acquired
June 1, 2015 CERS Option (Right to Buy) Common Stock (50,000) $5.13 May 31, 2025 50,000 Acquired
March 5, 2015 CERS Option (Right to Buy) Common Stock (75,000) $3.00 Aug. 31, 2020 75,000 Acquired
March 5, 2015 CERS Option (Right to Buy) Common Stock (2,709) $2.08 Aug. 31, 2021 2,709 Acquired
March 2, 2015 CERS Option (Right to Buy) Common Stock (155,000) $4.46 March 1, 2025 155,000 Acquired
Feb. 5, 2015 CERS Option (Right to Buy) Common Stock (50,000) $3.66 Feb. 28, 2023 50,000 Disposed
Feb. 5, 2015 CERS Option (Right to Buy) Common Stock (13,541) $2.08 Aug. 31, 2021 13,541 Disposed
Oct. 3, 2014 CERS Option (Right to Buy) Common Stock (35,000) $0.79 Jan. 11, 2019 35,000 Disposed
Oct. 3, 2014 CERS Option (Right to Buy) Common Stock (97,500) $2.08 Aug. 31, 2021 97,500 Disposed
Oct. 3, 2014 CERS Option (Right to Buy) Common Stock (20,060) $2.15 Sept. 30, 2019 20,060 Disposed
Oct. 3, 2014 CERS Option (Right to Buy) Common Stock (9,940) $2.15 Sept. 30, 2019 9,940 Disposed
Oct. 3, 2014 CERS Option (Right to Buy) Common Stock (150) $2.98 July 26, 2019 150 Disposed
Oct. 3, 2014 CERS Option (Right to Buy) Common Stock (100) $2.51 Nov. 15, 2014 100 Disposed
Aug. 1, 2014 CERS Option (Right to Buy) Common Stock (50,000) $0.79 Jan. 11, 2019 50,000 Disposed
June 23, 2014 CERS Option (Right to Buy) Common Stock (25,000) $2.28 June 28, 2014 25,000 Disposed
June 20, 2014 CERS Option (Right to Buy) Common Stock (25,000) $2.28 June 28, 2014 25,000 Disposed
June 19, 2014 CERS Option (Right to Buy) Common Stock (25,000) $2.28 June 28, 2014 25,000 Disposed
May 5, 2014 CERS Otion (Right to Buy) Common Stock (50,000) $2.28 June 28, 2014 50,000 Disposed
March 3, 2014 CERS Option (Right to Buy) Common Stock (135,000) $6.28 March 2, 2024 135,000 Acquired
Nov. 12, 2013 CERS Option Common Stock (1,000) $4.25 Dec. 8, 2013 1,000 Disposed
Nov. 8, 2013 CERS Otion (Right to Buy) Common Stock (34,000) $4.25 Dec. 8, 2013 34,000 Disposed
March 1, 2013 CERS Option (Right to Buy) Common Stock (170,000) $3.66 Feb. 28, 2023 170,000 Acquired
March 1, 2012 CERS Option (Right to Buy) Common Stock (130,000) $3.75 Feb. 28, 2022 130,000 Acquired
Sept. 1, 2011 CERS Option (Right to Buy) Common Stock (130,000) $2.08 Aug. 31, 2021 130,000 Acquired
Sept. 1, 2010 CERS Option (Right to Buy) Common Stock (75,000) $3.00 Aug. 31, 2020 75,000 Acquired
Oct. 1, 2009 CERS Option (Right to Buy) Common Stock (30,000) $2.15 Sept. 30, 2019 30,000 Acquired
July 27, 2009 CERS Option (Right to Buy) Common Stock (150) $2.98 July 26, 2019 100 Acquired
Jan. 12, 2009 CERS Option (Right to Buy) Common Stock (85,000) $0.79 Jan. 11, 2019 85,000 Acquired
Oct. 1, 2008 CERS Option (Right to Buy) Common Stock (35,000) $4.19 Sept. 30, 2018 35,000 Acquired
Oct. 1, 2007 CERS Option (Right to Buy) Common Stock (30,000) $8.73 Sept. 30, 2017 30,000 Acquired
Oct. 2, 2006 CERS Option (Right to Buy) Common Stock (30,000) $5.55 Oct. 1, 2016 30,000 Acquired
March 13, 2006 CERS Option (Right to Buy) Common Stock (4,400) $2.72 May 18, 2006 4,400 Disposed
March 8, 2006 CERS Option (Right to Buy) Common Stock (10,000) $2.72 May 18, 2006 10,000 Disposed
March 6, 2006 CERS Option (Right to Buy) Common Stock (5,000) $2.72 May 18, 2006 5,000 Disposed
Oct. 3, 2005 CERS Option (Right to Buy) Common Stock (40,000) $8.86 Oct. 2, 2015 40,000 Acquired
Nov. 16, 2004 CERS Option (Right to Buy) Common Stock (100) $2.51 Nov. 16, 2014 100 Acquired
June 29, 2004 CERS Option (Right to Buy) Common Stock (125,000) $2.31 June 28, 2014 125,000 Acquired
Dec. 9, 2003 CERS Option (Right to Buy) Common Stock (35,000) $4.25 Dec. 8, 2013 35,000 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.

CERS

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2021 $456,544 — — — $230,056 — $11,174 $1,719,854
2020 $445,033 — — — $225,763 — $11,524 $1,412,161
2019 $439,049 — — — $195,811 — $11,624 $1,287,734

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.