Matthew Sirovich
CIK 1431208 · View on SEC EDGAR ↗
Insider
First SEC filing: April 23, 2008 · Latest: June 25, 2018
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
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
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 25, 2020 | PAVM | S | 33,203 | $1.96 | $65,078 | 1,027,744 Indirect | -3.13% | Disposed | -99.4% (price as of 2026-08-20) |
| Nov. 24, 2020 | PAVM | S | 53,036 | $2.00 | $106,072 | 1,060,947 Indirect | -4.76% | Disposed | -99.4% (price as of 2026-08-20) |
| Nov. 19, 2020 | PAVM | S | 75,211 | $1.83 | $137,636 | 1,113,983 Indirect | -6.32% | Disposed | -99.4% (price as of 2026-08-20) |
| Nov. 18, 2020 | PAVM | S | 24,789 | $1.78 | $44,124 | 1,189,194 Indirect | -2.04% | Disposed | -99.4% (price as of 2026-08-20) |
| April 21, 2008 | CENTA | P | 0 | — | — | 4,349,580 Indirect | 0.00% | Acquired | (price as of 2026-08-20) |
| April 21, 2008 | CENTA | P | 0 | — | — | 2,295,562 Indirect | 0.00% | Acquired | (price as of 2026-08-20) |
| April 21, 2008 | CENTA | P | 10,184 | $4.27 | $43,486 | 41,886 Direct | +32.12% | Acquired | 1012.1% (price as of 2026-08-20) |
| April 21, 2008 | CENTA | P | 27,810 | $4.35 | $120,974 | 60,310 Direct | +85.57% | Acquired | 991.7% (price as of 2026-08-20) |
| April 18, 2008 | CENTA | P | 31,702 | $4.21 | $133,465 | 31,702 Direct | — | Acquired | 1028.0% (price as of 2026-08-20) |
| April 18, 2008 | CENTA | P | 32,500 | $4.29 | $139,425 | 32,500 Direct | — | Acquired | 1006.9% (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.
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 25, 2018 | PAVM | Common Stock | 466,514 | Direct |
| June 25, 2018 | PAVM | Common Stock | 1,414,904 | Indirect |
| June 25, 2018 | PAVM | Common Stock | 732,000 | Indirect |
| June 25, 2018 | PAVM | Series S Warrants (right to buy)→ Common Stock (1,199,383) | 1,199,383 | Direct |
| June 25, 2018 | PAVM | Series Z Warrants (right to buy)→ Common Stock (458,257) | 458,257 | Direct |
| June 25, 2018 | PAVM | Series Z Warrants (right to buy)→ Common Stock (857,452) | 857,452 | Indirect |
| June 25, 2018 | PAVM | Series Z Warrants (right to buy)→ Common Stock (466,000) | 466,000 | Indirect |