Richard J Benjamin

CIK 1296322 · View on SEC EDGAR ↗

Insider

First SEC filing: Aug. 7, 2024 · Latest: Aug. 7, 2024

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Insider at

Insider transactions

0 buys (P) 7 sells (S) Net: $-670,594 + 60 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

60 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
March 12, 2026 CERS S 10b5-1 101,740 $1.66 $168,888 777,361 Direct -11.57% Disposed 72.0% (price as of 2026-08-20)
March 9, 2026 CERS S 10b5-1 40,426 $1.88 $76,001 879,101 Direct -4.40% Disposed 51.9% (price as of 2026-08-20)
March 9, 2026 CERS S 10b5-1 40,426 $1.88 $76,001 879,101 Direct -4.40% Disposed 51.9% (price as of 2026-08-20)
March 6, 2026 CERS S 10b5-1 24,235 $2.01 $48,712 919,527 Direct -2.57% Disposed 42.0% (price as of 2026-08-20)
March 6, 2026 CERS S 10b5-1 24,235 $2.01 $48,712 919,527 Direct -2.57% Disposed 42.0% (price as of 2026-08-20)
March 5, 2026 CERS S 10b5-1 61,233 $2.06 $126,140 943,762 Direct -6.09% Disposed 38.6% (price as of 2026-08-20)
March 5, 2026 CERS S 10b5-1 61,233 $2.06 $126,140 943,762 Direct -6.09% Disposed 38.6% (price as of 2026-08-20)
March 14, 2025 CERS S 10b5-1 30,075 $1.45 $43,609 685,775 Direct -4.20% Disposed 96.9% (price as of 2026-08-20)
March 13, 2025 CERS S 10b5-1 18,949 $1.45 $27,476 715,850 Direct -2.58% Disposed 96.9% (price as of 2026-08-20)
March 7, 2025 CERS S 10b5-1 26,139 $1.50 $39,208 734,799 Direct -3.44% Disposed 90.3% (price as of 2026-08-20)
March 4, 2025 CERS S 10b5-1 6,292 $1.55 $9,753 394,373 Direct -1.57% Disposed 84.2% (price as of 2026-08-20)
March 3, 2025 CERS S 10b5-1 51,254 $1.58 $80,981 400,665 Direct -11.34% Disposed 80.7% (price as of 2026-08-20)
Aug. 2, 2024 CERS S 10b5-1 21,605 $2.50 $54,012 438,007 Direct -4.70% Disposed 14.2% (price as of 2026-08-20)
March 14, 2024 CERS S 10b5-1 17,738 $1.97 $34,944 459,612 Direct -3.72% Disposed 44.9% (price as of 2026-08-20)
March 13, 2024 CERS S 10b5-1 17,377 $2.06 $35,797 477,350 Direct -3.51% Disposed 38.6% (price as of 2026-08-20)
March 8, 2024 CERS S 10b5-1 29,378 $2.40 $70,507 478,061 Direct -5.79% Disposed 19.0% (price as of 2026-08-20)
March 13, 2023 CERS S 10b5-1 10,000 $2.78 $27,800 347,439 Direct -2.80% Disposed 2.7% (price as of 2026-08-20)
March 13, 2023 CERS S 10b5-1 5,747 $2.80 $16,092 357,439 Direct -1.58% Disposed 2.0% (price as of 2026-08-20)
March 13, 2023 CERS S 10b5-1 9,606 $2.80 $26,897 346,519 Direct -2.70% Disposed 2.0% (price as of 2026-08-20)
Aug. 9, 2022 CERS S 10b5-1 10,000 $5.12 $51,200 172,665 Direct -5.47% Disposed -44.2% (price as of 2026-08-20)
March 14, 2022 CERS S 10b5-1 5,982 $5.04 $30,149 182,665 Direct -3.17% Disposed -43.4% (price as of 2026-08-20)
March 14, 2022 CERS S 10b5-1 8,173 $5.04 $41,192 171,980 Direct -4.54% Disposed -43.4% (price as of 2026-08-20)
March 14, 2022 CERS S 10b5-1 16,152 $5.04 $81,406 157,383 Direct -9.31% Disposed -43.4% (price as of 2026-08-20)
Nov. 3, 2021 CERS S 10b5-1 31,667 $7.35 $232,752 76,035 Direct -29.40% Disposed -61.2% (price as of 2026-08-20)
Nov. 3, 2021 CERS S 10b5-1 33,333 $7.35 $244,998 76,035 Direct -30.48% Disposed -61.2% (price as of 2026-08-20)
Nov. 3, 2021 CERS S 10b5-1 100,000 $7.90 $790,000 76,035 Direct -56.81% Disposed -63.9% (price as of 2026-08-20)
March 15, 2021 CERS S 10b5-1 20,000 $6.34 $126,800 76,035 Direct -20.83% Disposed -55.0% (price as of 2026-08-20)
March 15, 2021 CERS S 10b5-1 7,989 $6.38 $50,970 96,035 Direct -7.68% Disposed -55.3% (price as of 2026-08-20)
March 15, 2021 CERS S 10b5-1 15,786 $6.38 $100,715 81,254 Direct -16.27% Disposed -55.3% (price as of 2026-08-20)
March 15, 2021 CERS S 10b5-1 5,556 $6.38 $35,447 52,040 Direct -9.65% Disposed -55.3% (price as of 2026-08-20)
Aug. 24, 2020 CERS S 10b5-1 100,000 $7.90 $790,000 41,763 Direct -70.54% Disposed -63.9% (price as of 2026-08-20)
July 7, 2020 CERS S 10b5-1 31,666 $7.20 $227,995 41,763 Direct -43.12% Disposed -60.3% (price as of 2026-08-20)
July 7, 2020 CERS S 10b5-1 22,917 $7.20 $165,002 41,763 Direct -35.43% Disposed -60.3% (price as of 2026-08-20)
July 7, 2020 CERS S 10b5-1 100,000 $7.20 $720,000 41,763 Direct -70.54% Disposed -60.3% (price as of 2026-08-20)
March 17, 2020 CERS S 10b5-1 17,497 $3.59 $62,814 41,763 Direct -29.53% Disposed -20.5% (price as of 2026-08-20)
March 17, 2020 CERS S 10b5-1 6,051 $3.59 $21,723 14,260 Direct -29.79% Disposed -20.5% (price as of 2026-08-20)
March 17, 2020 CERS S 10b5-1 3,022 $3.59 $10,849 4,478 Direct -40.29% Disposed -20.5% (price as of 2026-08-20)
Aug. 7, 2019 CERS S 16,444 $5.01 $82,384 0 Direct -100.00% Disposed -43.0% (price as of 2026-08-20)
March 13, 2019 CERS S 5,979 $5.90 $35,276 16,444 Direct -26.66% Disposed -51.6% (price as of 2026-08-20)
March 13, 2019 CERS S 2,832 $5.90 $16,709 6,589 Direct -30.06% Disposed -51.6% (price as of 2026-08-20)

Showing latest 100 of 125 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 3, 2025 CERS Restricted Stock Unit Common Stock (13,912) 13,912 Disposed
Feb. 26, 2025 CERS Restricted Stock Unit Common Stock (13,912) 13,912 Acquired
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 (105,000) $5.76 Feb. 28, 2032 105,000 Acquired
Nov. 3, 2021 CERS Option (Right to Buy) Common Stock (31,667) $4.32 Feb. 28, 2028 31,667 Disposed
Nov. 3, 2021 CERS Option (Right to Buy) Common Stock (33,333) $4.33 Feb. 28, 2027 33,333 Disposed
Nov. 3, 2021 CERS Option (Right to Buy) Common Stock (100,000) $4.72 Aug. 31, 2025 100,000 Disposed
March 12, 2021 CERS Restricted Stock Unit Common Stock (22,770) 22,770 Disposed
March 12, 2021 CERS Restricted Stock Unit Common Stock (45,000) 45,000 Disposed
March 12, 2021 CERS Restricted Stock Unit Common Stock (15,833) 15,833 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
Aug. 24, 2020 CERS Option (Right to Buy) Common Stock (100,000) $4.72 Aug. 31, 2025 100,000 Disposed
July 7, 2020 CERS Option (Right to Buy) Common Stock (31,666) $4.32 Feb. 28, 2028 31,666 Disposed
July 7, 2020 CERS Option (Right to Buy) Common Stock (22,917) $4.33 Feb. 28, 2027 22,917 Disposed
July 7, 2020 CERS Option (Right to Buy) Common Stock (100,000) $4.72 Aug. 31, 2025 100,000 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
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 10, 2019 CERS Restricted Stock Unit Common Stock (3,000) 3,000 Disposed
Aug. 28, 2018 CERS Option (Right to Buy) Common Stock (50,000) $4.72 Aug. 31, 2025 50,000 Disposed
Aug. 14, 2018 CERS Option (Right to BUy) Common Stock (35,416) $4.33 Feb. 27, 2027 35,416 Disposed
March 12, 2018 CERS Restricted Stock Unit Common Stock (7,500) 7,500 Disposed
March 10, 2018 CERS Restricted Stock Unit Common Stock (3,000) 3,000 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
March 10, 2017 CERS Restricted Stock Unit Common Stock (3,000) 3,000 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
March 1, 2016 CERS Option (Right to Buy) Common Stock (45,000) $5.06 Feb. 28, 2026 45,000 Acquired
March 1, 2016 CERS Restricted Stock Unit Common Stock (9,000) 9,000 Acquired
Sept. 1, 2015 CERS Option (Right to Buy) Common Stock (350,000) $4.72 Aug. 31, 2025 350,000 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.

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2025 $508,690 $713,844 $276,911 $7,108 $1,506,553
2024 $493,077 $44,377 $588,600 $3,564 $1,129,618
2023 $489,126 $738,600 $110,942 $3,614 $1,342,282

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