Plant Michael P.

Officer · BATRK

As of 2026-09-16, Plant Michael P. has 14 Form 4 transactions on record across 1 company — 7 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.

Pattern in the record: open-market sales filed in December in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $12.4MIndirect: $0$12.4Mas of 2026-09-16
  • Direct $12.4M
  • Indirect $0
BATRKdirect245,593 sh$12.4M

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

BATRK · 14 trades
2025-12-12: Sale, 4,874 sh ($194K)2025-12-11: Option exercise, 11,142 sh ($0)2025-12-11: Option exercise, 11,142 sh ($0)2025-12-05: Sale, 8,893 sh ($344K)2025-12-04: Option exercise, 20,000 sh ($0)2025-12-04: Award / grant, 20,731 sh ($0)2025-12-04: Option exercise, 20,000 sh ($0)2025-06-11: Sale, 69,000 sh ($3.0M)2024-12-12: Sale, 14,940 sh ($597K)2024-12-11: Option exercise, 22,284 sh ($0)2024-12-11: Option exercise, 22,284 sh ($0)2024-12-11: Option exercise, 11,142 sh ($0)2024-12-11: Option exercise, 11,142 sh ($0)2024-12-04: Award / grant, 20,000 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-12-12BATRKSale4,874 @ $39.74$194K−1.9% of holding245,593Form 4
2025-12-05BATRKSale8,893 @ $38.65$344K−3.6% of holding239,325Form 4
2025-06-11BATRKSale69,000 @ $43.00$3.0M−25.1% of holding205,593Form 4
2024-12-12BATRKSale14,940 @ $39.93$597K−5.2% of holding274,593Form 4
10 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2025-12-11BATRKOption exercise11,142250,467Form 4
2025-12-11BATRKOption exercise11,14211,142Form 4
2025-12-04BATRKOption exercise20,0000Form 4
2025-12-04BATRKAward / grant20,73120,731Form 4
2025-12-04BATRKOption exercise20,000248,218Form 4
2024-12-11BATRKOption exercise22,284278,391Form 4
2024-12-11BATRKOption exercise22,2840Form 4
2024-12-11BATRKOption exercise11,14222,284Form 4
2024-12-11BATRKOption exercise11,142289,533Form 4
2024-12-04BATRKAward / grant20,00020,000Form 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.