Buchholz Richard

Director · Officer · SI, INSP

As of 2026-09-16, Buchholz Richard has 20 Form 4 transactions on record across 2 companies — 4 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: $3.5MIndirect: $107K$3.6Mas of 2026-09-16
  • Direct $3.5M
  • Indirect $107K
INSPdirect43,988 sh$3.2M
SIdirect18,712 sh$335K
INSPindirect1,475 sh$107K

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

INSP · 16 trades
2026-02-13: Withheld for tax, 579 sh ($35K)2026-02-09: Withheld for tax, 327 sh ($22K)2025-08-29: Sale, 11,000 sh ($1.0M)2025-08-19: Option exercise, 17,849 sh ($1.3M)2025-08-19: Option exercise, 7,159 sh ($302K)2025-08-19: Withheld for tax, 2,649 sh ($239K)2025-08-19: Withheld for tax, 2,455 sh ($221K)2025-08-19: Withheld for tax, 276 sh ($25K)2025-08-19: Option exercise, 7,159 sh ($0)2025-08-19: Option exercise, 17,849 sh ($0)2025-02-24: Withheld for tax, 2,200 sh ($410K)2025-02-24: Award / grant, 6,152 sh ($0)2025-02-21: Gift, 500 sh ($0)2025-02-21: Gift, 125 sh ($0)2025-02-13: Award / grant, 5,076 sh ($0)2025-02-09: Withheld for tax, 314 sh ($57K)
SI · 4 trades
2026-06-26: Award / grant, 5,046 sh ($0)2026-03-13: Purchase, 1,000 sh ($15K)2025-08-01: Purchase, 5,000 sh ($75K)2025-08-01: Award / grant, 7,666 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-03-13SIPurchase1,000 @ $14.84$15K+7.9% of holding13,666Form 4
2025-08-29INSPSale11,000 @ $93.39$1.0M−19.7% of holding44,867Form 4
2025-08-01SIPurchase5,000 @ $15.00$75K+65.2% of holding12,666Form 4
17 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-26SIAward / grant5,04618,712Form 4
2026-02-13INSPWithheld for tax57943,988Form 4
2026-02-09INSPWithheld for tax32744,567Form 4
2025-08-19INSPOption exercise17,84954,088Form 4
2025-08-19INSPOption exercise7,15961,247Form 4
2025-08-19INSPWithheld for tax2,64958,598Form 4
2025-08-19INSPWithheld for tax2,45556,143Form 4
2025-08-19INSPWithheld for tax27655,867Form 4
2025-08-19INSPOption exercise7,1590Form 4
2025-08-19INSPOption exercise17,8490Form 4
2025-08-01SIAward / grant7,6667,666Form 4
2025-02-24INSPWithheld for tax2,20036,126Form 4
2025-02-24INSPAward / grant6,15238,326Form 4
2025-02-21INSPGift50032,174Form 4
2025-02-21INSPGift1251,475Form 4
2025-02-13INSPAward / grant5,07632,674Form 4
2025-02-09INSPWithheld for tax31427,598Form 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.