PISETSKY MICHAEL A.
Officer · SIBN
As of 2026-09-16, PISETSKY MICHAEL A. has 41 Form 4 transactions on record across 1 company — 28 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $5.1M
- Indirect $0
| SIBN | direct | 273,650 sh | $5.1M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-17 | SIBN | Sale | 1,871 @ $18.65 | $35K | −0.7% of holding | 273,650 | Form 4 |
| 2026-08-17 | SIBN | Sale | 1,854 @ $18.62 | $35K | −0.7% of holding | 275,521 | Form 4 |
| 2026-07-02 | SIBN | Sale | 1,799 @ $16.70 | $30K | −0.6% of holding | 278,710 | Form 4 |
| 2026-07-02 | SIBN | Sale | 1,301 @ $16.73 | $22K | −0.5% of holding | 277,375 | Form 4 |
| 2026-07-02 | SIBN | Sale | 34 @ $16.86 | $573 | −0.0% of holding | 278,676 | Form 4 |
| 2026-05-18 | SIBN | Sale | 1,872 @ $14.63 | $27K | −0.7% of holding | 280,968 | Form 4 |
| 2026-05-18 | SIBN | Sale | 1,854 @ $14.64 | $27K | −0.7% of holding | 280,509 | Form 4 |
| 2026-04-02 | SIBN | Sale | 1,301 @ $12.86 | $17K | −0.5% of holding | 282,874 | Form 4 |
| 2026-04-02 | SIBN | Sale | 34 @ $12.61 | $429 | −0.0% of holding | 282,840 | Form 4 |
| 2026-04-01 | SIBN | Sale | 1,799 @ $12.95 | $23K | −0.6% of holding | 284,175 | Form 4 |
| 2026-02-17 | SIBN | Sale | 11,569 @ $15.34 | $177K | −3.9% of holding | 287,828 | Form 4 |
| 2026-02-17 | SIBN | Sale | 3,296 @ $15.41 | $51K | −1.1% of holding | 300,878 | Form 4 |
| 2026-02-17 | SIBN | Sale | 2,556 @ $15.39 | $39K | −0.8% of holding | 304,174 | Form 4 |
| 2026-02-17 | SIBN | Sale | 1,854 @ $15.31 | $28K | −0.6% of holding | 285,974 | Form 4 |
| 2026-02-17 | SIBN | Sale | 1,481 @ $15.32 | $23K | −0.5% of holding | 299,397 | Form 4 |
| 2026-01-02 | SIBN | Sale | 1,986 @ $19.58 | $39K | −0.9% of holding | 228,436 | Form 4 |
| 2026-01-02 | SIBN | Sale | 1,436 @ $19.68 | $28K | −0.6% of holding | 230,422 | Form 4 |
| 2026-01-02 | SIBN | Sale | 38 @ $19.75 | $751 | −0.0% of holding | 231,858 | Form 4 |
| 2025-12-18 | SIBN | Sale | 19,600 @ $20.15 | $395K | −7.8% of holding | 231,896 | Form 4 |
| 2025-11-24 | SIBN | Sale | 400 @ $20.00 | $8K | −0.2% of holding | 251,496 | Form 4 |
| 2025-11-17 | SIBN | Sale | 1,850 @ $17.42 | $32K | −0.7% of holding | 251,896 | Form 4 |
| 2025-11-17 | SIBN | Sale | 1,478 @ $17.40 | $26K | −0.6% of holding | 253,746 | Form 4 |
| 2025-10-02 | SIBN | Sale | 1,796 @ $14.26 | $26K | −0.7% of holding | 256,556 | Form 4 |
| 2025-10-02 | SIBN | Sale | 1,298 @ $14.25 | $19K | −0.5% of holding | 255,224 | Form 4 |
| 2025-10-02 | SIBN | Sale | 34 @ $14.11 | $480 | −0.0% of holding | 256,522 | Form 4 |
| 2025-08-18 | SIBN | Sale | 1,851 @ $15.65 | $29K | −0.7% of holding | 259,830 | Form 4 |
| 2025-08-18 | SIBN | Sale | 1,478 @ $15.62 | $23K | −0.6% of holding | 258,352 | Form 4 |
| 2025-07-02 | SIBN | Sale | 1,795 @ $18.31 | $33K | −0.7% of holding | 262,979 | Form 4 |
| 2025-07-02 | SIBN | Sale | 1,298 @ $18.26 | $24K | −0.5% of holding | 261,681 | Form 4 |
| 2025-07-02 | SIBN | Sale | 34 @ $18.38 | $625 | −0.0% of holding | 264,774 | Form 4 |
| 2025-05-16 | SIBN | Sale | 1,850 @ $19.66 | $36K | −0.7% of holding | 264,808 | Form 4 |
| 2025-05-16 | SIBN | Sale | 1,477 @ $19.70 | $29K | −0.6% of holding | 264,768 | Form 4 |
| 2025-05-16 | SIBN | Sale | 132 @ $19.18 | $3K | −0.0% of holding | 264,636 | Form 4 |
| 2025-04-02 | SIBN | Sale | 1,795 @ $14.17 | $25K | −0.7% of holding | 244,878 | Form 4 |
| 2025-04-02 | SIBN | Sale | 1,299 @ $14.09 | $18K | −0.5% of holding | 246,673 | Form 4 |
| 2025-04-02 | SIBN | Sale | 34 @ $13.86 | $471 | −0.0% of holding | 247,972 | Form 4 |
5 award / exercise / gift records — not counted as purchases
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.