Huffaker Michael

Officer · PRTS

As of 2026-09-16, Huffaker Michael has 36 Form 4 transactions on record across 1 company — 20 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: $1.3MIndirect: $0$1.3Mas of 2026-09-16
  • Direct $1.3M
  • Indirect $0
PRTSdirect152,810 sh$1.3M

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

PRTS · 36 trades
2026-09-10: Purchase, 13,250 sh ($133K)2026-09-09: Purchase, 36,580 sh ($353K)2026-09-08: Purchase, 21,718 sh ($203K)2026-09-04: Purchase, 21,160 sh ($193K)2026-08-28: Purchase, 7,548 sh ($54K)2026-08-27: Purchase, 4,614 sh ($32K)2026-04-08: Award / grant, 190,000 sh ($0)2026-02-06: Option exercise, 13,334 sh ($0)2026-02-06: Option exercise, 13,334 sh ($0)2026-01-16: Option exercise, 18,750 sh ($0)2026-01-16: Option exercise, 18,750 sh ($0)2026-01-16: Option exercise, 43,630 sh ($0)2026-01-16: Option exercise, 43,630 sh ($0)2026-01-02: Option exercise, 46,666 sh ($0)2026-01-02: Option exercise, 50,000 sh ($0)2025-12-08: Withheld for tax, 23,547 sh ($10K)2025-12-05: Option exercise, 36,667 sh ($0)2025-12-05: Option exercise, 36,667 sh ($0)2025-10-16: Option exercise, 18,750 sh ($0)2025-10-16: Option exercise, 18,750 sh ($0)2025-07-16: Option exercise, 18,750 sh ($0)2025-07-16: Option exercise, 18,750 sh ($0)2025-04-16: Option exercise, 18,750 sh ($0)2025-04-16: Option exercise, 18,750 sh ($0)2025-02-06: Option exercise, 13,333 sh ($0)2025-02-06: Option exercise, 13,333 sh ($0)2025-01-16: Option exercise, 75,000 sh ($0)2025-01-16: Option exercise, 43,629 sh ($0)2025-01-16: Option exercise, 75,000 sh ($0)2025-01-16: Option exercise, 43,629 sh ($0)2025-01-02: Award / grant, 100,000 sh ($0)2025-01-02: Award / grant, 140,000 sh ($0)2024-12-27: Award / grant, 526 sh ($500)2024-12-13: Award / grant, 510 sh ($500)2024-12-05: Option exercise, 36,667 sh ($0)2024-12-05: Option exercise, 36,667 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-10PRTSPurchase13,250 @ $10.06$133K+9.5% of holding152,810Form 4
2026-09-09PRTSPurchase36,580 @ $9.64$353K+35.5% of holding139,560Form 4
2026-09-08PRTSPurchase21,718 @ $9.35$203K+26.7% of holding102,980Form 4
2026-09-04PRTSPurchase21,160 @ $9.11$193K+35.2% of holding81,262Form 4
2026-08-28PRTSPurchase7,548 @ $7.16$54K+14.4% of holding60,102Form 4
2026-08-27PRTSPurchase4,614 @ $6.88$32K+9.6% of holding52,554Form 4
30 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-04-08PRTSAward / grant190,000190,000Form 4
2026-02-06PRTSOption exercise13,3340Form 4
2026-02-06PRTSOption exercise13,334479,398Form 4
2026-01-16PRTSOption exercise18,750466,064Form 4
2026-01-16PRTSOption exercise18,7500Form 4
2026-01-16PRTSOption exercise43,63043,630Form 4
2026-01-16PRTSOption exercise43,630447,314Form 4
2026-01-02PRTSOption exercise46,666353,684Form 4
2026-01-02PRTSOption exercise50,000403,684Form 4
2025-12-08PRTSWithheld for tax23,547307,018Form 4
2025-12-05PRTSOption exercise36,667330,565Form 4
2025-12-05PRTSOption exercise36,6670Form 4
2025-10-16PRTSOption exercise18,75018,750Form 4
2025-10-16PRTSOption exercise18,750293,898Form 4
2025-07-16PRTSOption exercise18,75037,500Form 4
2025-07-16PRTSOption exercise18,750275,148Form 4
2025-04-16PRTSOption exercise18,75056,250Form 4
2025-04-16PRTSOption exercise18,750256,398Form 4
2025-02-06PRTSOption exercise13,33313,334Form 4
2025-02-06PRTSOption exercise13,333237,648Form 4
2025-01-16PRTSOption exercise75,00075,000Form 4
2025-01-16PRTSOption exercise43,62987,260Form 4
2025-01-16PRTSOption exercise75,000224,315Form 4
2025-01-16PRTSOption exercise43,629149,315Form 4
2025-01-02PRTSAward / grant100,000100,000Form 4
2025-01-02PRTSAward / grant140,000140,000Form 4
2024-12-27PRTSAward / grant526105,686Form 4
2024-12-13PRTSAward / grant510105,160Form 4
2024-12-05PRTSOption exercise36,667104,650Form 4
2024-12-05PRTSOption exercise36,66736,667Form 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.