Michael B Sheffery
CIK 1283887 · View on SEC EDGAR ↗
Insider
First SEC filing: April 30, 2012 · Latest: April 30, 2012
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 6 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
6 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 4, 2012 | SUPN | P | 90,999 | $5.00 | $454,995 | 297,815 Indirect | +44.00% | Acquired | 887.0% (price as of 2026-08-19) |
| May 4, 2012 | SUPN | P | 274,873 | $5.00 | $1,374,365 | 899,583 Indirect | +44.00% | Acquired | 887.0% (price as of 2026-08-19) |
| May 4, 2012 | SUPN | P | 734,128 | $5.00 | $3,670,640 | 2,402,600 Indirect | +44.00% | Acquired | 887.0% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| May 4, 2012 | SUPN | Series A Preferred Stock | Common Stock (206,816) | — | — | 827,627 | Disposed |
| May 4, 2012 | SUPN | Series A Preferred Stock | Common Stock (624,710) | — | — | 2,498,842 | Disposed |
| May 4, 2012 | SUPN | Series A Preferred Stock | Common Stock (1,668,472) | — | — | 6,673,891 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.