Michael Piershbacher
CIK 1188649 · View on SEC EDGAR ↗
Insider
First SEC filing: March 5, 2004 · Latest: March 5, 2004
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 3 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
3 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 3, 2004 | IART | S | 1,376 | $30.52 | $41,996 | 0 Indirect | -100.00% | Disposed | 8.1% (price as of 2026-08-21) |
| March 3, 2004 | IART | S | 1,317 | $30.52 | $40,195 | 3,714 Direct | -26.18% | Disposed | 8.1% (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 |
|---|---|---|---|---|---|---|---|
| Jan. 2, 2004 | IART | Incentive Stock Option (right to buy) | Common Stock (3,054) | $28.78 | Jan. 2, 2010 | 3,054 | Acquired |
| Jan. 2, 2004 | IART | Non-Qualified Stock Option (right to buy) | Common Stock (2,946) | $28.78 | Jan. 2, 2010 | 2,946 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).