Abba David Poliakoff
CIK 1423066 · View on SEC EDGAR ↗
Insider
First SEC filing: April 9, 2008 · Latest: April 9, 2008
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 13 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 2, 2015 | CSBR | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Oct. 13, 2014 | CSBR | A | 120,000 | — | — | 120,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Dec. 12, 2013 | CSBR | A | 120,000 | — | — | 120,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 1, 2013 | CSBR | A | 50,000 | — | — | 50,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 1, 2013 | CSBR | A | 50,000 | — | — | 638,667 Direct | +8.49% | Acquired | (price as of 2026-08-21) |
| Jan. 9, 2012 | CSBR | M | 50,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Jan. 9, 2012 | CSBR | F | 11,333 | $0.75 | $8,500 | 588,667 Direct | -1.89% | Disposed | -41.8% (price as of 2026-08-21) |
| Jan. 9, 2012 | CSBR | M | 50,000 | $0.17 | $8,500 | 600,000 Direct | +9.09% | Acquired | 156.9% (price as of 2026-08-21) |
| Jan. 1, 2012 | CSBR | A | 50,000 | — | — | 50,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 1, 2012 | CSBR | A | 50,000 | — | — | 550,000 Direct | +10.00% | Acquired | (price as of 2026-08-21) |
| July 14, 2011 | CSBR | A | 50,000 | — | — | 50,000 Direct | — | Acquired | (price as of 2026-08-21) |
| July 14, 2011 | CSBR | A | 50,000 | — | — | 500,000 Direct | +11.11% | Acquired | (price as of 2026-08-21) |
| March 31, 2008 | CSBR | A | 50,000 | — | — | 50,000 Direct | — | Acquired | (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Nov. 2, 2015 | CSBR | Stock Options | Common Stock (10,000) | $5.46 | Nov. 2, 2020 | 10,000 | Acquired |
| Oct. 13, 2014 | CSBR | Stock Options | Common Stock (120,000) | $0.60 | Oct. 13, 2019 | 120,000 | Acquired |
| Dec. 12, 2013 | CSBR | Stock Options | Common Stock (120,000) | $1.26 | Dec. 12, 2018 | 120,000 | Acquired |
| Jan. 1, 2013 | CSBR | Common Stock Purchase Options | Common Stock (50,000) | $0.30 | Dec. 31, 2017 | 50,000 | Acquired |
| Jan. 9, 2012 | CSBR | Stock Options | Common Stock (50,000) | $0.17 | Jan. 15, 2012 | 50,000 | Disposed |
| Jan. 1, 2012 | CSBR | Director Stock Options | Common Stock (50,000) | $0.75 | Jan. 1, 2017 | 50,000 | Acquired |
| July 14, 2011 | CSBR | Common Stock Purchase Options | Common Stock (50,000) | $0.90 | July 13, 2016 | 50,000 | Acquired |
| March 31, 2008 | CSBR | Director Stock Options | Common Stock (50,000) | $1.15 | March 31, 2013 | 50,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 9, 2008 | CSBR | Common Stock | 400,000 | Direct |
| April 9, 2008 | CSBR | Stock Options→ Common Stock (50,000) | 50,000 | Direct |
| April 9, 2008 | CSBR | Stock Options [F1]→ Common Stock (200,000) | 200,000 | Direct |
| April 2, 2008 | CSBR | Common Stock | 400,000 | Direct |
| April 2, 2008 | CSBR | Stock Options→ Common Stock (50,000) | 50,000 | Direct |
| Jan. 9, 2008 | CRDF | NO SECURITIES HELD | 0 | Direct |