Brent Pfeiffenberger
CIK 2001162 · View on SEC EDGAR ↗
First SEC filing: June 15, 2026 · Latest: June 15, 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
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 8, 2025 | IPSC | S | 488 | $0.50 | $244 | 3,268,909 Direct | -0.01% | Disposed | 312.0% (price as of 2026-08-21) |
| June 9, 2025 | IPSC | S | 475 | $0.62 | $294 | 1,681,783 Direct | -0.03% | Disposed | 232.3% (price as of 2026-08-21) |
| May 16, 2025 | IPSC | S | 29,552 | $0.55 | $16,254 | 1,682,258 Direct | -1.73% | Disposed | 274.5% (price as of 2026-08-21) |
| March 10, 2025 | IPSC | S | 2,235 | $0.62 | $1,386 | 1,190,310 Direct | -0.19% | Disposed | 232.3% (price as of 2026-08-21) |
| Feb. 18, 2025 | IPSC | S | 34,712 | $0.78 | $27,075 | 1,192,545 Direct | -2.83% | Disposed | 164.1% (price as of 2026-08-21) |
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 19, 2026 | CRBP | Stock options (right to buy) | Common Stock (24,700) | $9.15 | May 19, 2036 | 24,700 | Acquired |
| March 11, 2025 | IPSC | Stock Option (right to buy) | Common Stock (521,500) | $0.60 | March 11, 2035 | 521,500 | Acquired |
| March 7, 2024 | IPSC | Stock Option (right to buy) | Common Stock (104,550) | $5.32 | March 7, 2034 | 104,550 | Acquired |
| March 7, 2024 | BFLY | Stock Option (right to buy) | Common Stock (104,550) | $5.32 | March 7, 2034 | 104,550 | Acquired |
| Dec. 4, 2023 | IPSC | Stock Option (right to buy) | Common Stock (573,691) | $1.61 | Dec. 4, 2033 | 573,691 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
IPSC
CEO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $640,625 | — | $1,869,609 | $222,681 | $317,109 | — | $13,998 | $2,381,022 |
| 2024 | $625,000 | $450,000 | $92,614 | $392,000 | $360,938 | — | $272,729 | $2,193,281 |
| 2023 | $49,716 | $200,000 | $2,339,779 | $621,167 | $24,349 | — | — | $3,235,011 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.