Joseph Sirosh
CIK 1847175 · View on SEC EDGAR ↗
First SEC filing: March 31, 2021 · Latest: June 8, 2026
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Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 4, 2026 | ABSI | A | 10,100 | — | — | 33,420 | — | — | (price as of 2026-08-20) |
| May 4, 2022 | COMP | M | 9,490 | — | — | 75,890 Direct | -11.12% | Disposed | (price as of 2026-08-20) |
| May 4, 2022 | COMP | F | 2,670 | $5.86 | $15,646 | 504,701 Direct | -0.53% | Disposed | 113.7% (price as of 2026-08-20) |
| May 4, 2022 | COMP | M | 9,490 | — | — | 507,371 Direct | +1.91% | Acquired | (price as of 2026-08-20) |
| April 5, 2022 | COMP | M | 9,490 | — | — | 85,380 Direct | -10.00% | Disposed | (price as of 2026-08-20) |
| April 5, 2022 | COMP | F | 2,680 | $7.32 | $19,618 | 497,881 Direct | -0.54% | Disposed | 71.0% (price as of 2026-08-20) |
| April 5, 2022 | COMP | M | 9,490 | — | — | 500,561 Direct | +1.93% | Acquired | (price as of 2026-08-20) |
| March 28, 2022 | COMP | A | 136,468 | — | — | 136,468 Direct | — | Acquired | (price as of 2026-08-20) |
| March 3, 2022 | COMP | M | 9,490 | — | — | 94,870 Direct | -9.09% | Disposed | (price as of 2026-08-20) |
| March 3, 2022 | COMP | F | 2,370 | $7.46 | $17,680 | 491,071 Direct | -0.48% | Disposed | 67.8% (price as of 2026-08-20) |
| March 3, 2022 | COMP | M | 9,490 | — | — | 493,441 Direct | +1.96% | Acquired | (price as of 2026-08-20) |
| Feb. 3, 2022 | COMP | M | 9,480 | — | — | 104,360 Direct | -8.33% | Disposed | (price as of 2026-08-20) |
| Feb. 3, 2022 | COMP | F | 3,020 | $7.90 | $23,858 | 483,951 Direct | -0.62% | Disposed | 58.5% (price as of 2026-08-20) |
| Feb. 3, 2022 | COMP | M | 9,480 | — | — | 486,971 Direct | +1.99% | Acquired | (price as of 2026-08-20) |
| Jan. 5, 2022 | COMP | M | 9,490 | — | — | 113,840 Direct | -7.69% | Disposed | (price as of 2026-08-20) |
| Jan. 5, 2022 | COMP | F | 3,387 | $8.86 | $30,009 | 477,491 Direct | -0.70% | Disposed | 41.3% (price as of 2026-08-20) |
| Jan. 5, 2022 | COMP | M | 9,490 | — | — | 480,878 Direct | +2.01% | Acquired | (price as of 2026-08-20) |
| Dec. 3, 2021 | COMP | M | 9,490 | — | — | 123,330 Direct | -7.15% | Disposed | (price as of 2026-08-20) |
| Dec. 3, 2021 | COMP | F | 4,357 | $9.23 | $40,215 | 471,388 Direct | -0.92% | Disposed | 35.6% (price as of 2026-08-20) |
| Dec. 3, 2021 | COMP | M | 9,490 | — | — | 475,745 Direct | +2.04% | Acquired | (price as of 2026-08-20) |
| Nov. 3, 2021 | COMP | M | 9,480 | — | — | 132,820 Direct | -6.66% | Disposed | (price as of 2026-08-20) |
| Nov. 3, 2021 | COMP | F | 4,353 | $12.91 | $56,197 | 466,255 Direct | -0.92% | Disposed | -3.0% (price as of 2026-08-20) |
| Nov. 3, 2021 | COMP | M | 9,480 | — | — | 470,608 Direct | +2.06% | Acquired | (price as of 2026-08-20) |
| Oct. 28, 2021 | COMP | M | 100,000 | — | — | 222,540 Direct | -31.00% | Disposed | (price as of 2026-08-20) |
| Oct. 28, 2021 | COMP | M | 4,550 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Oct. 28, 2021 | COMP | M | 313,070 | — | — | 142,300 Direct | -68.75% | Disposed | (price as of 2026-08-20) |
| Oct. 28, 2021 | COMP | M | 100,000 | $5.16 | $516,000 | 461,128 Direct | +27.69% | Acquired | 142.6% (price as of 2026-08-20) |
| Oct. 28, 2021 | COMP | F | 145,552 | $12.89 | $1,876,165 | 361,128 Direct | -28.73% | Disposed | -2.9% (price as of 2026-08-20) |
| Oct. 28, 2021 | COMP | M | 317,620 | — | — | 506,680 Direct | +168.00% | Acquired | (price as of 2026-08-20) |
| April 1, 2021 | COMP | A | 50 | $21.25 | $1,062 | 50 Indirect | — | Acquired | -41.1% (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.
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 |
|---|---|---|---|---|---|---|---|
| May 4, 2022 | COMP | Restricted Stock Unit (RSU) | Class A Common Stock (9,490) | — | — | 9,490 | Disposed |
| April 5, 2022 | COMP | Restricted Stock Unit (RSU) | Class A Common Stock (9,490) | — | — | 9,490 | Disposed |
| March 28, 2022 | COMP | Restricted Stock Unit (RSU) | Class A Common Stock (136,468) | — | — | 136,468 | Acquired |
| March 3, 2022 | COMP | Restricted Stock Unit (RSU) | Class A Common Stock (9,490) | — | — | 9,490 | Disposed |
| Feb. 3, 2022 | COMP | Restricted Stock Unit (RSU) | Class A Common Stock (9,480) | — | — | 9,480 | Disposed |
| Jan. 5, 2022 | COMP | Restricted Stock Unit (RSU) | Class A Common Stock (9,490) | — | — | 9,490 | Disposed |
| Dec. 3, 2021 | COMP | Restricted Stock Unit (RSU) | Class A Common Stock (9,490) | — | — | 9,490 | Disposed |
| Nov. 3, 2021 | COMP | Restricted Stock Unit (RSU) | Class A Common Stock (9,480) | — | — | 9,480 | Disposed |
| Oct. 28, 2021 | COMP | Stock Option (right to buy Class A Common Stock) | Class A Common Stock (100,000) | $5.16 | Dec. 19, 2028 | 100,000 | Disposed |
| Oct. 28, 2021 | COMP | Restricted Stock Unit (RSU | Class A Common Stock (4,550) | — | — | 4,550 | Disposed |
| Oct. 28, 2021 | COMP | Restricted Stock Unit (RSU) | Class A Common Stock (313,070) | — | — | 313,070 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 31, 2021 | COMP | Class A Common Stock | 189,060 | Direct |
| March 31, 2021 | COMP | Stock Option (right to buy Class A Common Stock)→ Class A Common Stock (322,540) | 322,540 | Direct |
| March 31, 2021 | COMP | Stock Option (right to buy Class A Common Stock)→ Class A Common Stock (1,242,420) | 1,242,420 | Direct |
| March 31, 2021 | COMP | Restricted Stock Unit (RSU)→ Class A Common Stock (455,370) | 455,370 | Direct |
| March 31, 2021 | COMP | Restricted Stock Unit (RSU)→ Class A Common Stock (4,550) | 4,550 | Direct |