Buttermore Robert L.
Director · Officer · AAON, ROK
As of 2026-09-16, Buttermore Robert L. has 61 Form 4 transactions on record across 2 companies — 39 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 February in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
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
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-03-02 | ROK | Sale | 3,427 @ $399.63 | $1.4M | −41.8% of holding | 4,772 | Form 4 |
| 2026-03-02 | ROK | Sale | 1,672 @ $398.34 | $666K | −16.9% of holding | 8,199 | Form 4 |
| 2026-03-02 | ROK | Sale | 1,084 @ $400.67 | $434K | −22.7% of holding | 3,688 | Form 4 |
| 2026-03-02 | ROK | Sale | 979 @ $396.18 | $388K | −8.3% of holding | 10,831 | Form 4 |
| 2026-03-02 | ROK | Sale | 960 @ $397.23 | $381K | −8.9% of holding | 9,871 | Form 4 |
| 2026-03-02 | ROK | Sale | 410 @ $402.25 | $165K | −11.1% of holding | 3,278 | Form 4 |
| 2026-03-02 | ROK | Sale | 400 @ $397.83 | $159K | −12.2% of holding | 2,878 | Form 4 |
| 2026-02-17 | ROK | Sale | 204 @ $380.14 | $78K | −5.9% of holding | 3,278 | Form 4 |
| 2025-12-10 | ROK | Sale | 87 @ $402.86 | $35K | −2.9% of holding | 2,915 | Form 4 |
| 2025-12-10 | ROK | Sale | 78 @ $401.77 | $31K | −2.5% of holding | 3,002 | Form 4 |
| 2025-12-10 | ROK | Sale | 63 @ $400.78 | $25K | −2.0% of holding | 3,080 | Form 4 |
| 2025-12-10 | ROK | Sale | 1 @ $403.71 | $404 | −0.0% of holding | 2,914 | Form 4 |
| 2025-12-08 | ROK | Sale | 206 @ $400.94 | $83K | −7.1% of holding | 2,685 | Form 4 |
| 2025-12-08 | ROK | Sale | 25 @ $401.69 | $10K | −0.9% of holding | 2,660 | Form 4 |
| 2025-12-05 | ROK | Sale | 184 @ $402.86 | $74K | −6.0% of holding | 2,891 | Form 4 |
| 2025-06-09 | ROK | Sale | 494 @ $326.31 | $161K | −20.1% of holding | 1,964 | Form 4 |
| 2025-05-12 | ROK | Sale | 1,704 @ $304.37 | $519K | −65.3% of holding | 906 | Form 4 |
| 2025-02-14 | ROK | Sale | 202 @ $296.15 | $60K | −7.2% of holding | 2,610 | Form 4 |
| 2024-12-10 | ROK | Sale | 15 @ $297.90 | $4K | −0.7% of holding | 2,246 | Form 4 |
| 2024-12-10 | ROK | Sale | 15 @ $296.09 | $4K | −0.7% of holding | 2,274 | Form 4 |
| 2024-12-10 | ROK | Sale | 13 @ $297.09 | $4K | −0.6% of holding | 2,261 | Form 4 |
| 2024-12-10 | ROK | Sale | 6 @ $294.85 | $2K | −0.3% of holding | 2,289 | Form 4 |
| 2024-12-10 | ROK | Sale | 1 @ $298.89 | $299 | −0.0% of holding | 2,245 | Form 4 |
| 2024-12-09 | ROK | Sale | 22 @ $302.02 | $7K | −1.0% of holding | 2,141 | Form 4 |
| 2024-12-05 | ROK | Sale | 182 @ $296.35 | $54K | −8.0% of holding | 2,094 | Form 4 |
36 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-01 | AAON | Award / grant | 1,284 | 1,284 | Form 4 |
| 2026-03-02 | ROK | Option exercise | 3,525 | 10,199 | Form 4 |
| 2026-03-02 | ROK | Option exercise | 1,611 | 11,810 | Form 4 |
| 2026-03-02 | ROK | Option exercise | 1,546 | 6,674 | Form 4 |
| 2026-03-02 | ROK | Option exercise | 1,050 | 5,128 | Form 4 |
| 2026-03-02 | ROK | Option exercise | 800 | 4,078 | Form 4 |
| 2026-03-02 | ROK | Option exercise | 3,525 | 2,063 | Form 4 |
| 2026-03-02 | ROK | Option exercise | 1,546 | 0 | Form 4 |
| 2026-03-02 | ROK | Option exercise | 1,050 | 0 | Form 4 |
| 2026-03-02 | ROK | Option exercise | 800 | 0 | Form 4 |
| 2026-03-02 | ROK | Option exercise | 1,611 | 3,524 | Form 4 |
| 2026-02-13 | ROK | Option exercise | 568 | 0 | Form 4 |
| 2026-02-13 | ROK | Option exercise | 568 | 3,482 | Form 4 |
| 2025-12-09 | ROK | Option exercise | 154 | 0 | Form 4 |
| 2025-12-09 | ROK | Option exercise | 329 | 3,143 | Form 4 |
| 2025-12-09 | ROK | Option exercise | 329 | 0 | Form 4 |
| 2025-12-09 | ROK | Option exercise | 154 | 2,814 | Form 4 |
| 2025-12-08 | ROK | Award / grant | 9,731 | 9,731 | Form 4 |
| 2025-12-08 | ROK | Award / grant | 2,835 | 2,835 | Form 4 |
| 2025-12-05 | ROK | Option exercise | 538 | 1,078 | Form 4 |
| 2025-12-05 | ROK | Option exercise | 538 | 3,075 | Form 4 |
| 2025-12-04 | ROK | Option exercise | 573 | 2,537 | Form 4 |
| 2025-12-04 | ROK | Option exercise | 573 | 573 | Form 4 |
| 2025-10-01 | ROK | Award / grant | 329 | 329 | Form 4 |
| 2025-06-06 | ROK | Option exercise | 1,552 | 0 | Form 4 |
| 2025-06-06 | ROK | Option exercise | 1,552 | 2,458 | Form 4 |
| 2025-02-13 | ROK | Option exercise | 567 | 2,812 | Form 4 |
| 2025-02-13 | ROK | Option exercise | 567 | 568 | Form 4 |
| 2024-12-09 | ROK | Option exercise | 154 | 154 | Form 4 |
| 2024-12-09 | ROK | Option exercise | 154 | 2,295 | Form 4 |
| 2024-12-07 | ROK | Option exercise | 69 | 0 | Form 4 |
| 2024-12-07 | ROK | Option exercise | 69 | 2,163 | Form 4 |
| 2024-12-05 | ROK | Award / grant | 1,616 | 1,616 | Form 4 |
| 2024-12-05 | ROK | Award / grant | 5,135 | 5,135 | Form 4 |
| 2024-12-04 | ROK | Option exercise | 572 | 1,146 | Form 4 |
| 2024-12-04 | ROK | Option exercise | 572 | 2,276 | Form 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.