Michael A Pisetsky
CIK 1754765 · View on SEC EDGAR ↗
Insider
First SEC filing: March 24, 2025 · Latest: March 24, 2025
On this page
Insider at
Insider transactions
0 buys (P)
5 sells (S)
Net:
$-121,797
+ 2 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
2 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 17, 2026 | SIBN | S | 1,854 | $18.62 | $34,521 | 275,521 Direct | -0.67% | Disposed | 5.6% (price as of 2026-08-19) |
| Aug. 17, 2026 | SIBN | S | 1,871 | $18.65 | $34,894 | 273,650 Direct | -0.68% | Disposed | 5.4% (price as of 2026-08-19) |
| July 2, 2026 | SIBN | S | 1,301 | $16.73 | $21,766 | 277,375 Direct | -0.47% | Disposed | 17.5% (price as of 2026-08-19) |
| July 2, 2026 | SIBN | S | 34 | $16.86 | $573 | 278,676 Direct | -0.01% | Disposed | 16.6% (price as of 2026-08-19) |
| July 2, 2026 | SIBN | S | 1,799 | $16.70 | $30,043 | 278,710 Direct | -0.64% | Disposed | 17.7% (price as of 2026-08-19) |
| April 15, 2019 | SIBN | S | 241 | $16.59 | $3,998 | 18,073 Direct | -1.32% | Disposed | 18.5% (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 |
|---|---|---|---|---|---|---|---|
| Jan. 15, 2019 | SIBN | Stock Option (right to buy) | Common Stock (24,700) | $22.00 | Jan. 15, 2029 | 24,700 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 24, 2025 | SIBN | Common Stock | 248,006 | Direct |
| March 24, 2025 | SIBN | Stock Options (Right to buy)→ Common Stock (18,695) | 18,695 | Direct |
| March 24, 2025 | SIBN | Stock Options (Right to buy)→ Common Stock (6,005) | 6,005 | Direct |
| March 24, 2025 | SIBN | Stock Options (Right to buy)→ Common Stock (21,367) | 21,367 | Direct |
| Oct. 16, 2018 | SIBN | Common Stock | 6,914 | Direct |
| Oct. 16, 2018 | SIBN | Stock Option (right to buy)→ Common Stock (3,759) | 3,759 | Direct |
| Oct. 16, 2018 | SIBN | Stock Option (right to buy)→ Common Stock (245) | 245 | Direct |
| Oct. 16, 2018 | SIBN | Stock Option (right to buy)→ Common Stock (3,472) | 3,472 | Direct |
| Oct. 16, 2018 | SIBN | Stock Option (right to buy)→ Common Stock (32,038) | 32,038 | Direct |
| Oct. 16, 2018 | SIBN | Stock Option (right to buy)→ Common Stock (30,555) | 30,555 | Direct |