Pfeiffenberger Brent

Director · Officer · IPSC, CRBP

As of 2026-09-16, Pfeiffenberger Brent has 26 Form 4 transactions on record across 2 companies — 17 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.

Reconstructed holdings

Direct: $6.9MIndirect: $0$6.9Mas of 2026-09-16
  • Direct $6.9M
  • Indirect $0
IPSCdirect3,633,839 sh$6.8M
CRBPdirect24,700 sh$179K

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

IPSC · 24 trades
2026-09-11: Withheld for tax, 13,850 sh ($27K)2026-09-04: Withheld for tax, 463 sh ($977)2026-08-14: Withheld for tax, 31,172 sh ($60K)2026-06-11: Withheld for tax, 13,849 sh ($31K)2026-06-05: Withheld for tax, 463 sh ($986)2026-05-15: Withheld for tax, 31,172 sh ($73K)2026-03-11: Withheld for tax, 55,397 sh ($151K)2026-03-06: Withheld for tax, 463 sh ($1K)2026-02-13: Withheld for tax, 31,172 sh ($55K)2026-02-02: Award / grant, 475,000 sh ($0)2026-02-02: Award / grant, 945,000 sh ($0)2025-12-12: Purchase, 52,000 sh ($30K)2025-12-10: Withheld for tax, 463 sh ($244)2025-11-19: Purchase, 35,000 sh ($17K)2025-11-17: Sale, 32,456 sh ($15K)2025-09-08: Sale, 488 sh ($244)2025-08-14: Award / grant, 1,587,614 sh ($0)2025-06-09: Sale, 475 sh ($295)2025-05-16: Sale, 29,552 sh ($16K)2025-03-11: Award / grant, 521,500 sh ($0)2025-03-11: Award / grant, 521,500 sh ($0)2025-03-10: Sale, 2,235 sh ($1K)2025-02-18: Sale, 34,712 sh ($27K)2024-12-04: Withheld for tax, 243,447 sh ($351K)
CRBP · 2 trades
2026-05-19: Award / grant, 7,500 sh ($0)2026-05-19: Award / grant, 24,700 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-12-12IPSCPurchase52,000 @ $0.58$30K+1.6% of holding3,322,990Form 4
2025-11-19IPSCPurchase35,000 @ $0.50$17K+1.1% of holding3,271,453Form 4
2025-11-17IPSCSale32,456 @ $0.45$15K−1.0% of holding3,236,453Form 4
2025-09-08IPSCSale488 @ $0.50$244−0.0% of holding3,268,909Form 4
2025-06-09IPSCSale475 @ $0.62$295−0.0% of holding1,681,783Form 4
2025-05-16IPSCSale29,552 @ $0.55$16K−1.7% of holding1,682,258Form 4
2025-03-10IPSCSale2,235 @ $0.61$1K−0.2% of holding1,190,310Form 4
2025-02-18IPSCSale34,712 @ $0.78$27K−2.8% of holding1,192,545Form 4
18 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-11IPSCWithheld for tax13,8503,633,839Form 4
2026-09-04IPSCWithheld for tax4633,633,839Form 4
2026-08-14IPSCWithheld for tax31,1723,634,302Form 4
2026-06-11IPSCWithheld for tax13,8493,665,474Form 4
2026-06-05IPSCWithheld for tax4633,679,323Form 4
2026-05-19CRBPAward / grant7,5007,500Form 4
2026-05-19CRBPAward / grant24,70024,700Form 4
2026-05-15IPSCWithheld for tax31,1723,679,786Form 4
2026-03-11IPSCWithheld for tax55,3973,710,958Form 4
2026-03-06IPSCWithheld for tax4633,766,355Form 4
2026-02-13IPSCWithheld for tax31,1723,766,818Form 4
2026-02-02IPSCAward / grant475,0003,797,990Form 4
2026-02-02IPSCAward / grant945,000945,000Form 4
2025-12-10IPSCWithheld for tax4633,270,990Form 4
2025-08-14IPSCAward / grant1,587,6143,269,397Form 4
2025-03-11IPSCAward / grant521,500521,500Form 4
2025-03-11IPSCAward / grant521,5001,711,810Form 4
2024-12-04IPSCWithheld for tax243,4471,227,257Form 4

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.