Plant Michael P.
CIK 2036190 · View on SEC EDGAR ↗
Insider
First SEC filing: Sept. 9, 2024 · Latest: Sept. 9, 2024
On this page
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net:
$-537,407
+ 10 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
10 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 12, 2025 | BATRK | S | 4,874 | $39.74 | $193,693 | 245,593 Direct | -1.95% | Disposed | 34.6% (price as of 2026-08-20) |
| Dec. 5, 2025 | BATRK | S | 8,893 | $38.65 | $343,714 | 239,325 Direct | -3.58% | Disposed | 38.4% (price as of 2026-08-20) |
| June 11, 2025 | BATRK | S 10b5-1 | 69,000 | $43.00 | $2,967,000 | 205,593 Direct | -25.13% | Disposed | 24.4% (price as of 2026-08-20) |
| Dec. 12, 2024 | BATRK | S | 14,940 | $39.93 | $596,554 | 274,593 Direct | -5.16% | Disposed | 34.0% (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| Dec. 11, 2025 | BATRK | Restricted Stock Units - BATRK | Series C Common Stock (11,142) | — | — | 11,142 | Disposed |
| Dec. 4, 2025 | BATRK | Restricted Stock Units - BATRK | Series C Common Stock (20,731) | — | Dec. 4, 2026 | 20,731 | Acquired |
| Dec. 4, 2025 | BATRK | Restricted Stock Units - BATRK | Series C Common Stock (20,000) | — | Dec. 4, 2025 | 20,000 | Disposed |
| Dec. 11, 2024 | BATRK | Restricted Stock Units - BATRK | Series C Common Stock (11,142) | — | — | 11,142 | Disposed |
| Dec. 11, 2024 | BATRK | Restricted Stock Units - BATRK | Series C Common Stock (22,284) | — | Dec. 11, 2024 | 22,284 | Disposed |
| Dec. 4, 2024 | BATRK | Restricted Stock Units - BATRK | Series C Common Stock (20,000) | — | Dec. 4, 2025 | 20,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 9, 2024 | BATRK | Series C Common Stock [F1] | 234,932 | Direct |
| Sept. 9, 2024 | BATRK | Series C Common Stock [F1] | 99,303 | Indirect |
| Sept. 9, 2024 | BATRK | Restricted stock units - BATRK→ Series C Common Stock (33,426) | 33,426 | Direct |
| Sept. 9, 2024 | BATRK | Restricted stock units - BATRK→ Series C Common Stock (22,284) | 22,284 | Direct |
| Sept. 9, 2024 | BATRK | Stock option (Right to Buy) - BATRK→ Series C Common Stock (285,395) | 285,395 | Direct |
| Sept. 9, 2024 | BATRK | Stock option (Right to Buy) - BATRK→ Series C Common Stock (84,570) | 84,570 | Direct |