Timothy B Anderson

CIK 1124168 · View on SEC EDGAR ↗

Insider

First SEC filing: Sept. 1, 2005 · Latest: Sept. 1, 2005

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 75 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

75 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Dec. 22, 2020 CERS S 10b5-1 9,336 $8.50 $79,356 200,765 Direct -4.44% Disposed -66.4% (price as of 2026-08-20)
Dec. 22, 2020 CERS S 10b5-1 30,000 $8.25 $247,500 210,101 Direct -12.49% Disposed -65.4% (price as of 2026-08-20)
Aug. 24, 2020 CERS S 10b5-1 16,008 $7.90 $126,463 210,101 Direct -7.08% Disposed -63.9% (price as of 2026-08-20)
Aug. 7, 2020 CERS S 10b5-1 10,223 $7.10 $72,583 202,406 Direct -4.81% Disposed -59.8% (price as of 2026-08-20)
Aug. 7, 2020 CERS S 10b5-1 29,853 $7.12 $212,553 212,629 Direct -12.31% Disposed -59.9% (price as of 2026-08-20)
Jan. 29, 2020 CERS P 9,639 $4.15 $40,002 187,498 Direct +5.42% Acquired -31.2% (price as of 2026-08-20)
Aug. 19, 2019 CERS S 1,200 $5.60 $6,720 177,859 Direct -0.67% Disposed -49.0% (price as of 2026-08-20)
Aug. 19, 2019 CERS S 7,931 $5.55 $44,017 176,541 Direct -4.30% Disposed -48.6% (price as of 2026-08-20)
Aug. 16, 2019 CERS S 9,664 $5.25 $50,736 167,985 Direct -5.44% Disposed -45.6% (price as of 2026-08-20)
May 18, 2018 CERS S 12,000 $6.65 $79,800 132,573 Direct -8.30% Disposed -57.1% (price as of 2026-08-20)
May 18, 2018 CERS S 11,000 $6.65 $73,150 119,573 Direct -8.42% Disposed -57.1% (price as of 2026-08-20)

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
June 1, 2021 CERS Restricted Stock Unit Common Stock (13,228) — — 13,228 Disposed
Dec. 22, 2020 CERS Option (Right to Buy) Common Stock (30,000) $5.40 June 9, 2025 30,000 Disposed
Aug. 24, 2020 CERS Option (Right to Buy) Common Stock (23,703) $4.80 June 4, 2029 23,703 Disposed
Aug. 7, 2020 CERS Option (Right to Buy) Common Stock (43,800) $4.34 June 10, 2024 43,800 Disposed
June 5, 2020 CERS Restricted Stock Unit Common Stock (11,184) — — 11,184 Disposed
June 3, 2020 CERS Restricted Stock Unit Common Stock (13,228) — — 13,228 Acquired
June 3, 2020 CERS Option (Right to Buy) Common Stock (28,177) $6.37 June 2, 2030 28,177 Acquired
Aug. 19, 2019 CERS Option (Right to Buy) Common Stock (2,518) $2.62 June 6, 2027 2,518 Disposed
Aug. 19, 2019 CERS Option (Right to Buy) Common Stock (16,487) $2.62 June 6, 2027 16,487 Disposed
Aug. 16, 2019 CERS Option (Right to Buy) Common Stock (19,000) $2.62 June 6, 2027 19,000 Disposed
June 5, 2019 CERS Restricted Stock Unit Common Stock (11,184) — — 11,184 Acquired
June 5, 2019 CERS Option (Right to Buy) Common Stock (23,703) $4.80 June 4, 2029 23,703 Acquired
June 4, 2019 CERS Restricted Stock Unit Common Stock (10,223) — — 10,223 Disposed
June 6, 2018 CERS Restricted Stock Unit Common Stock (10,223) — — 10,223 Acquired
June 6, 2018 CERS Option (Right to Buy) Common Stock (19,242) $6.77 June 5, 2028 19,242 Acquired
June 6, 2018 CERS Restricted Stock Unit Common Stock (10,223) — — 10,223 Acquired
June 6, 2018 CERS Option (Right to Buy) Common Stock (16,399) $6.77 June 5, 2028 16,399 Acquired
June 5, 2018 CERS Restricted Stock Unit Common Stock (15,853) — — 15,853 Disposed
May 18, 2018 CERS Option (Right to Buy) Common Stock (25,000) $2.86 Jan. 2, 2022 25,000 Disposed
May 18, 2018 CERS Option (Right to Buy) Common Stock (25,000) $3.19 Jan. 1, 2023 25,000 Disposed
June 7, 2017 CERS Restricted Stock Unit Common Stock (15,853) — — 15,853 Acquired
June 7, 2017 CERS Option Right to Buy Common Stock (38,005) $2.61 June 6, 2027 38,005 Acquired
June 6, 2017 CERS Restricted Stock Unit Common Stock (10,133) — — 10,133 Disposed
June 8, 2016 CERS Restricted Stock Unit Common Stock (10,133) — — 10,133 Acquired
June 8, 2016 CERS Option (Right to Buy) Common Stock (20,743) $6.08 June 7, 2026 20,743 Acquired
June 10, 2015 CERS Option (Right to Buy) Common Stock (30,000) $5.40 June 9, 2025 30,000 Acquired
Dec. 18, 2014 CERS Option Right to Buy Common Stock (15,000) $2.48 Jan. 2, 2021 15,000 Disposed
June 11, 2014 CERS Option (Right to Buy) Common Stock (43,800) $4.34 June 10, 2024 43,800 Acquired
March 28, 2014 CERS Option (Right to Buy) Common Stock (15,000) $1.80 Jan. 3, 2020 15,000 Disposed
March 28, 2014 CERS Option (Right to Buy) Common Stock (9,375) $0.79 Jan. 11, 2019 9,375 Disposed
Nov. 19, 2013 CERS Option (Right to Buy) Common Stock (3,333) $3.66 April 30, 2015 3,333 Disposed
Nov. 19, 2013 CERS Option Common Stock (3,334) $2.95 Dec. 31, 2014 3,334 Disposed
Nov. 1, 2013 CERS Option Common (2,091) $4.54 Dec. 31, 2013 2,091 Disposed
Jan. 2, 2013 CERS Option (Right to Buy) Common Stock (25,000) $3.19 Jan. 1, 2023 25,000 Acquired
Nov. 27, 2012 CERS Option Common (15,000) $0.82 Jan. 2, 2019 15,000 Disposed
Nov. 27, 2012 CERS Option Common (28,125) $0.79 Jan. 11, 2019 28,125 Disposed
Jan. 3, 2012 CERS Option (Right to Buy) Common Stock (25,000) $2.86 Jan. 2, 2022 25,000 Acquired
Jan. 3, 2011 CERS Option (Right to Buy) Common Stock (15,000) $2.48 Jan. 2, 2021 15,000 Acquired
Jan. 4, 2010 CERS Option (Right to Buy) Common Stock (15,000) $1.80 Jan. 3, 2020 15,000 Acquired
Jan. 12, 2009 CERS Option (Right to Buy) Common Stock (37,500) $0.79 Jan. 11, 2019 37,500 Acquired
Jan. 2, 2009 CERS Option (Right to Buy) Common Stock (15,000) $0.82 Jan. 1, 2019 15,000 Acquired
Jan. 2, 2008 CERS Option (Right to Buy) Common Stock (15,000) $6.51 Jan. 1, 2018 15,000 Acquired
Jan. 2, 2007 CERS Option (Right to Buy) Common Stock (15,000) $5.86 Jan. 1, 2017 15,000 Acquired
Jan. 3, 2006 CERS Option (Right to Buy) Common Stock (15,000) $10.15 Jan. 2, 2016 15,000 Acquired
Sept. 1, 2005 CERS Option (Right to Buy) Common Stock (3,333) $6.76 Aug. 31, 2015 3,333 Acquired
May 1, 2005 CERS Option (Right to Buy) Common Stock (3,333) $3.66 April 29, 2015 3,333 Acquired
Feb. 15, 2005 CERS Stock Option (Right to Buy) Common Stcok (2,091) $3.25 April 30, 2014 2,091 Disposed
Jan. 3, 2005 CERS Stock Option (Right to Buy) Common Stcok (2,091) $2.14 Aug. 13, 2014 2,091 Disposed
Jan. 1, 2005 CERS Option (Right to Buy) Common Stock (3,334) $2.95 Dec. 31, 2014 3,334 Acquired
Sept. 1, 2004 CERS Option (Right to Buy) Common Stock (2,091) $2.14 Aug. 31, 2014 2,091 Acquired
May 1, 2004 CERS Option (Right to Buy) Common Stock (2,091) $3.25 April 30, 2014 2,091 Acquired
Jan. 1, 2004 CERS Common Stock Common Stock (2,091) $4.54 Dec. 31, 2013 2,091 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).