Michael A Pisetsky
Insider
First SEC filing: March 24, 2025 · Latest: March 24, 2025
Insider at
Insider transactions
0 buys (P)
22 sells (S)
Net: $-1,064,234
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 17, 2026 | SIBN | S | 1,854 | $18.62 | $34,521 | 275,521 Direct | -0.67% | Disposed | 3.4% (price as of 2026-10-05) |
| Aug. 17, 2026 | SIBN | S | 1,871 | $18.65 | $34,894 | 273,650 Direct | -0.68% | Disposed | 3.3% (price as of 2026-10-05) |
| July 2, 2026 | SIBN | S | 1,301 | $16.73 | $21,766 | 277,375 Direct | -0.47% | Disposed | 15.1% (price as of 2026-10-05) |
| July 2, 2026 | SIBN | S | 34 | $16.86 | $573 | 278,676 Direct | -0.01% | Disposed | 14.2% (price as of 2026-10-05) |
| July 2, 2026 | SIBN | S | 1,799 | $16.70 | $30,043 | 278,710 Direct | -0.64% | Disposed | 15.3% (price as of 2026-10-05) |
| May 18, 2026 | SIBN | S | 1,872 | $14.63 | $27,387 | 280,968 Direct | -0.66% | Disposed | 31.6% (price as of 2026-10-05) |
| May 18, 2026 | SIBN | S | 1,854 | $14.64 | $27,143 | 280,509 Direct | -0.66% | Disposed | 31.6% (price as of 2026-10-05) |
| April 2, 2026 | SIBN | S | 1,301 | $12.86 | $16,731 | 282,874 Direct | -0.46% | Disposed | 49.8% (price as of 2026-10-05) |
| April 2, 2026 | SIBN | S | 34 | $12.61 | $429 | 282,840 Direct | -0.01% | Disposed | 52.7% (price as of 2026-10-05) |
| April 1, 2026 | SIBN | S | 1,799 | $12.95 | $23,297 | 284,175 Direct | -0.63% | Disposed | 48.7% (price as of 2026-10-05) |
| Feb. 17, 2026 | SIBN | S | 2,556 | $15.39 | $39,337 | 304,174 Direct | -0.83% | Disposed | 25.1% (price as of 2026-10-05) |
| Feb. 17, 2026 | SIBN | S | 3,296 | $15.41 | $50,791 | 300,878 Direct | -1.08% | Disposed | 25.0% (price as of 2026-10-05) |
| Feb. 17, 2026 | SIBN | S | 1,481 | $15.32 | $22,689 | 299,397 Direct | -0.49% | Disposed | 25.7% (price as of 2026-10-05) |
| Feb. 17, 2026 | SIBN | S | 11,569 | $15.34 | $177,468 | 287,828 Direct | -3.86% | Disposed | 25.6% (price as of 2026-10-05) |
| Feb. 17, 2026 | SIBN | S | 1,854 | $15.31 | $28,385 | 285,974 Direct | -0.64% | Disposed | 25.8% (price as of 2026-10-05) |
| Feb. 16, 2026 | SIBN | A | 58,720 | · | · | 287,156 Direct | +25.71% | Acquired | (price as of 2026-10-05) |
| Feb. 16, 2026 | SIBN | A | 9,787 | · | · | 296,943 Direct | +3.41% | Acquired | (price as of 2026-10-05) |
| Feb. 16, 2026 | SIBN | A | 9,787 | · | · | 306,730 Direct | +3.30% | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2026 | SIBN | S | 38 | $19.75 | $750 | 231,858 Direct | -0.02% | Disposed | -2.5% (price as of 2026-10-05) |
| Jan. 2, 2026 | SIBN | S | 1,436 | $19.68 | $28,260 | 230,422 Direct | -0.62% | Disposed | -2.1% (price as of 2026-10-05) |
| Jan. 2, 2026 | SIBN | S | 1,986 | $19.58 | $38,886 | 228,436 Direct | -0.86% | Disposed | -1.6% (price as of 2026-10-05) |
| Dec. 18, 2025 | SIBN | S 10b5-1 | 19,600 | $20.15 | $394,940 | 231,896 Direct | -7.79% | Disposed | -4.4% (price as of 2026-10-05) |
| Nov. 24, 2025 | SIBN | S 10b5-1 | 400 | $20.00 | $8,000 | 251,496 Direct | -0.16% | Disposed | -3.7% (price as of 2026-10-05) |
| Nov. 17, 2025 | SIBN | S | 1,478 | $17.40 | $25,717 | 253,746 Direct | -0.58% | Disposed | 10.7% (price as of 2026-10-05) |
| Nov. 17, 2025 | SIBN | S | 1,850 | $17.42 | $32,227 | 251,896 Direct | -0.73% | Disposed | 10.6% (price as of 2026-10-05) |
| Oct. 2, 2025 | SIBN | S | 1,796 | $14.26 | $25,611 | 256,556 Direct | -0.70% | Disposed | 35.1% (price as of 2026-10-05) |
| Oct. 2, 2025 | SIBN | S | 34 | $14.11 | $480 | 256,522 Direct | -0.01% | Disposed | 36.5% (price as of 2026-10-05) |
| Oct. 2, 2025 | SIBN | S | 1,298 | $14.25 | $18,496 | 255,224 Direct | -0.51% | Disposed | 35.2% (price as of 2026-10-05) |
| Aug. 18, 2025 | SIBN | S | 1,851 | $15.65 | $28,968 | 259,830 Direct | -0.71% | Disposed | 23.1% (price as of 2026-10-05) |
| Aug. 18, 2025 | SIBN | S | 1,478 | $15.62 | $23,086 | 258,352 Direct | -0.57% | Disposed | 23.3% (price as of 2026-10-05) |
| July 2, 2025 | SIBN | S | 34 | $18.38 | $625 | 264,774 Direct | -0.01% | Disposed | 4.8% (price as of 2026-10-05) |
| July 2, 2025 | SIBN | S | 1,795 | $18.31 | $32,866 | 262,979 Direct | -0.68% | Disposed | 5.2% (price as of 2026-10-05) |
| July 2, 2025 | SIBN | S | 1,298 | $18.26 | $23,701 | 261,681 Direct | -0.49% | Disposed | 5.5% (price as of 2026-10-05) |
| May 16, 2025 | SIBN | S | 1,477 | $19.70 | $29,097 | 264,768 Direct | -0.55% | Disposed | -2.2% (price as of 2026-10-05) |
| May 16, 2025 | SIBN | S | 132 | $19.18 | $2,532 | 264,636 Direct | -0.05% | Disposed | 0.4% (price as of 2026-10-05) |
| May 16, 2025 | SIBN | S | 1,850 | $19.66 | $36,371 | 264,808 Direct | -0.69% | Disposed | -2.0% (price as of 2026-10-05) |
| April 30, 2025 | SIBN | M | 21,367 | $4.68 | $99,998 | 266,245 Direct | +8.73% | Acquired | 311.5% (price as of 2026-10-05) |
| April 30, 2025 | SIBN | M | 21,367 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| April 2, 2025 | SIBN | S | 34 | $13.86 | $471 | 247,972 Direct | -0.01% | Disposed | 39.0% (price as of 2026-10-05) |
| April 2, 2025 | SIBN | S | 1,299 | $14.09 | $18,303 | 246,673 Direct | -0.52% | Disposed | 36.7% (price as of 2026-10-05) |
| April 2, 2025 | SIBN | S | 1,795 | $14.17 | $25,435 | 244,878 Direct | -0.73% | Disposed | 35.9% (price as of 2026-10-05) |
| Feb. 16, 2023 | SIBN | S | 866 | $16.78 | $14,531 | 171,242 Direct | -0.50% | Disposed | 14.8% (price as of 2026-10-05) |
| Feb. 16, 2023 | SIBN | S | 1,399 | $16.76 | $23,447 | 169,843 Direct | -0.82% | Disposed | 14.9% (price as of 2026-10-05) |
| Feb. 16, 2023 | SIBN | S | 124 | $16.85 | $2,089 | 169,719 Direct | -0.07% | Disposed | 14.3% (price as of 2026-10-05) |
| Feb. 16, 2023 | SIBN | S | 977 | $16.71 | $16,326 | 168,742 Direct | -0.58% | Disposed | 15.3% (price as of 2026-10-05) |
| Jan. 17, 2023 | SIBN | S | 399 | $16.18 | $6,456 | 172,108 Direct | -0.23% | Disposed | 19.0% (price as of 2026-10-05) |
| Jan. 6, 2023 | SIBN | A | 56,445 | · | · | 172,507 Direct | +48.63% | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2022 | SIBN | S | 1,009 | $13.19 | $13,309 | 118,530 Direct | -0.84% | Disposed | 46.0% (price as of 2026-10-05) |
| Nov. 16, 2022 | SIBN | S | 128 | $13.07 | $1,673 | 118,402 Direct | -0.11% | Disposed | 47.4% (price as of 2026-10-05) |
| Nov. 16, 2022 | SIBN | S | 1,445 | $13.19 | $19,060 | 116,957 Direct | -1.22% | Disposed | 46.0% (price as of 2026-10-05) |
| Nov. 16, 2022 | SIBN | S | 895 | $13.14 | $11,760 | 116,062 Direct | -0.77% | Disposed | 46.6% (price as of 2026-10-05) |
| Oct. 17, 2022 | SIBN | S | 355 | $18.39 | $6,528 | 119,539 Direct | -0.30% | Disposed | 4.7% (price as of 2026-10-05) |
| Aug. 16, 2022 | SIBN | S | 894 | $17.29 | $15,457 | 122,475 Direct | -0.72% | Disposed | 11.4% (price as of 2026-10-05) |
| Aug. 16, 2022 | SIBN | S | 1,009 | $17.29 | $17,446 | 121,466 Direct | -0.82% | Disposed | 11.4% (price as of 2026-10-05) |
| Aug. 16, 2022 | SIBN | S | 128 | $17.29 | $2,213 | 121,338 Direct | -0.11% | Disposed | 11.4% (price as of 2026-10-05) |
| Aug. 16, 2022 | SIBN | S | 1,444 | $17.29 | $24,967 | 119,894 Direct | -1.19% | Disposed | 11.4% (price as of 2026-10-05) |
| July 15, 2022 | SIBN | S | 355 | $14.28 | $5,069 | 123,369 Direct | -0.29% | Disposed | 34.9% (price as of 2026-10-05) |
| May 16, 2022 | SIBN | S | 878 | $12.58 | $11,045 | 125,178 Direct | -0.70% | Disposed | 53.1% (price as of 2026-10-05) |
| May 16, 2022 | SIBN | S | 1,419 | $12.58 | $17,851 | 123,759 Direct | -1.13% | Disposed | 53.1% (price as of 2026-10-05) |
| May 16, 2022 | SIBN | S | 128 | $12.58 | $1,610 | 123,631 Direct | -0.10% | Disposed | 53.1% (price as of 2026-10-05) |
| May 16, 2022 | SIBN | S | 50 | $12.58 | $629 | 123,581 Direct | -0.04% | Disposed | 53.1% (price as of 2026-10-05) |
| May 16, 2022 | SIBN | S | 991 | $12.58 | $12,467 | 123,724 Direct | -0.79% | Disposed | 53.1% (price as of 2026-10-05) |
| April 18, 2022 | SIBN | S | 349 | $19.92 | $6,952 | 126,056 Direct | -0.28% | Disposed | -3.3% (price as of 2026-10-05) |
| Feb. 16, 2022 | SIBN | S | 126 | $20.38 | $2,568 | 128,273 Direct | -0.10% | Disposed | -5.5% (price as of 2026-10-05) |
| Feb. 16, 2022 | SIBN | S | 990 | $20.38 | $20,176 | 127,283 Direct | -0.77% | Disposed | -5.5% (price as of 2026-10-05) |
| Feb. 16, 2022 | SIBN | S | 878 | $20.38 | $17,894 | 126,405 Direct | -0.69% | Disposed | -5.5% (price as of 2026-10-05) |
| Jan. 25, 2022 | SIBN | M | 2,180 | $4.32 | $9,418 | 120,443 Direct | +1.84% | Acquired | 345.8% (price as of 2026-10-05) |
| Jan. 25, 2022 | SIBN | M | 245 | $4.32 | $1,058 | 120,688 Direct | +0.20% | Acquired | 345.8% (price as of 2026-10-05) |
| Jan. 25, 2022 | SIBN | M | 3,472 | $4.32 | $14,999 | 124,160 Direct | +2.88% | Acquired | 345.8% (price as of 2026-10-05) |
| Jan. 25, 2022 | SIBN | M | 4,239 | $4.32 | $18,312 | 128,399 Direct | +3.41% | Acquired | 345.8% (price as of 2026-10-05) |
| Jan. 25, 2022 | SIBN | M | 2,180 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 25, 2022 | SIBN | M | 245 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 25, 2022 | SIBN | M | 3,472 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 25, 2022 | SIBN | M | 4,239 | · | · | 8,699 Direct | -32.76% | Disposed | (price as of 2026-10-05) |
| Jan. 15, 2022 | SIBN | S | 400 | $22.00 | $8,800 | 118,263 Direct | -0.34% | Disposed | -12.5% (price as of 2026-10-05) |
| Jan. 6, 2022 | SIBN | A | 46,447 | · | · | 118,663 Direct | +64.32% | Acquired | (price as of 2026-10-05) |
| Nov. 17, 2021 | SIBN | S 10b5-1 | 2,051 | $22.30 | $45,737 | 72,216 Direct | -2.76% | Disposed | -13.6% (price as of 2026-10-05) |
| Nov. 16, 2021 | SIBN | S | 128 | $21.47 | $2,748 | 76,169 Direct | -0.17% | Disposed | -10.3% (price as of 2026-10-05) |
| Nov. 16, 2021 | SIBN | S | 894 | $21.47 | $19,194 | 75,275 Direct | -1.17% | Disposed | -10.3% (price as of 2026-10-05) |
| Nov. 16, 2021 | SIBN | S | 1,008 | $21.47 | $21,642 | 74,267 Direct | -1.34% | Disposed | -10.3% (price as of 2026-10-05) |
| Oct. 18, 2021 | SIBN | S | 355 | $22.37 | $7,941 | 76,297 Direct | -0.46% | Disposed | -13.9% (price as of 2026-10-05) |
| Aug. 16, 2021 | SIBN | S | 1,008 | $20.46 | $20,624 | 77,546 Direct | -1.28% | Disposed | -5.9% (price as of 2026-10-05) |
| Aug. 16, 2021 | SIBN | S | 894 | $20.46 | $18,291 | 76,652 Direct | -1.15% | Disposed | -5.9% (price as of 2026-10-05) |
| Aug. 15, 2021 | SIBN | S | 128 | $20.46 | $2,619 | 78,554 Direct | -0.16% | Disposed | -5.9% (price as of 2026-10-05) |
| July 16, 2021 | SIBN | S | 354 | $29.10 | $10,301 | 78,682 Direct | -0.45% | Disposed | -33.8% (price as of 2026-10-05) |
| May 18, 2021 | SIBN | M | 1,975 | $4.32 | $8,532 | 79,501 Direct | +2.55% | Acquired | 345.8% (price as of 2026-10-05) |
| May 18, 2021 | SIBN | S 10b5-1 | 1,975 | $32.00 | $63,200 | 79,036 Direct | -2.44% | Disposed | -39.8% (price as of 2026-10-05) |
| May 18, 2021 | SIBN | M | 1,975 | · | · | 12,938 Direct | -13.24% | Disposed | (price as of 2026-10-05) |
| May 17, 2021 | SIBN | S | 1,008 | $31.40 | $31,651 | 78,420 Direct | -1.27% | Disposed | -38.7% (price as of 2026-10-05) |
| May 17, 2021 | SIBN | S | 894 | $31.40 | $28,072 | 77,526 Direct | -1.14% | Disposed | -38.7% (price as of 2026-10-05) |
| April 19, 2021 | SIBN | A | 4,112 | · | · | 79,428 Direct | +5.46% | Acquired | (price as of 2026-10-05) |
| April 16, 2021 | SIBN | S | 243 | $33.65 | $8,177 | 75,316 Direct | -0.32% | Disposed | -42.8% (price as of 2026-10-05) |
| March 4, 2021 | SIBN | A | 100 | · | · | 75,559 Direct | +0.13% | Acquired | (price as of 2026-10-05) |
| Feb. 16, 2021 | SIBN | S | 684 | $31.05 | $21,238 | 75,459 Direct | -0.90% | Disposed | -38.0% (price as of 2026-10-05) |
| Feb. 16, 2021 | SIBN | M | 2,125 | $4.32 | $9,180 | 77,584 Direct | +2.82% | Acquired | 345.8% (price as of 2026-10-05) |
| Feb. 16, 2021 | SIBN | S 10b5-1 | 2,125 | $30.95 | $65,769 | 75,459 Direct | -2.74% | Disposed | -37.8% (price as of 2026-10-05) |
| Feb. 16, 2021 | SIBN | M | 2,125 | · | · | 14,913 Direct | -12.47% | Disposed | (price as of 2026-10-05) |
| Jan. 19, 2021 | SIBN | S | 293 | $29.01 | $8,500 | 76,760 Direct | -0.38% | Disposed | -33.6% (price as of 2026-10-05) |
| Jan. 19, 2021 | SIBN | S | 617 | $29.01 | $17,899 | 76,143 Direct | -0.80% | Disposed | -33.6% (price as of 2026-10-05) |
| Jan. 5, 2021 | SIBN | A | 28,750 | · | · | 77,053 Direct | +59.52% | Acquired | (price as of 2026-10-05) |
Showing latest 100 of 127 transactions
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 |
|---|---|---|---|---|---|---|---|
| April 30, 2025 | SIBN | Stock Option (Right to Buy) | Common Stock | $4.68 | March 1, 2027 | 21,367 | Disposed |
| Jan. 25, 2022 | SIBN | Stock Option (Right to Buy) | Common Stock | $4.32 | May 25, 2025 | 2,180 | Disposed |
| Jan. 25, 2022 | SIBN | Stock Option (Right to Buy) | Common Stock | $4.32 | May 25, 2025 | 245 | Disposed |
| Jan. 25, 2022 | SIBN | Stock Option (Right to Buy) | Common Stock | $4.32 | Feb. 22, 2026 | 3,472 | Disposed |
| Jan. 25, 2022 | SIBN | Stock Option (Right to Buy) | Common Stock | $4.32 | July 26, 2026 | 4,239 | Disposed |
| May 18, 2021 | SIBN | Stock Option (Right to Buy) | Common Stock | $4.32 | July 26, 2026 | 1,975 | Disposed |
| Feb. 16, 2021 | SIBN | Stock Option (Right to Buy) | Common Stock | $4.32 | July 26, 2026 | 2,125 | Disposed |
| Sept. 18, 2020 | SIBN | Stock Option (Right to Buy) | Common Stock | $4.32 | July 26, 2026 | 3,000 | Disposed |
| Aug. 4, 2020 | SIBN | Stock Option (Right to Buy) | Common Stock | $4.32 | July 26, 2026 | 6,000 | Disposed |
| Jan. 14, 2020 | SIBN | Stock Option (Right to Buy) | Common Stock | $4.32 | July 26, 2026 | 3,000 | Disposed |
| Dec. 13, 2019 | SIBN | Stock Option (Right to Buy) | Common Stock | $4.32 | July 26, 2026 | 3,000 | Disposed |
| Jan. 15, 2019 | SIBN | Stock Option (right to buy) | Common Stock | $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) | 18,695 | Direct |
| March 24, 2025 | SIBN | Stock Options (Right to buy) | 6,005 | Direct |
| March 24, 2025 | SIBN | Stock Options (Right to buy) | 21,367 | Direct |
| Oct. 16, 2018 | SIBN | Common Stock | 6,914 | Direct |
| Oct. 16, 2018 | SIBN | Stock Option (right to buy) | 3,759 | Direct |
| Oct. 16, 2018 | SIBN | Stock Option (right to buy) | 245 | Direct |
| Oct. 16, 2018 | SIBN | Stock Option (right to buy) | 3,472 | Direct |
| Oct. 16, 2018 | SIBN | Stock Option (right to buy) | 32,038 | Direct |
| Oct. 16, 2018 | SIBN | Stock Option (right to buy) | 30,555 | Direct |