Buck Jonathan D.
Officer · MSA
As of 2026-09-16, Buck Jonathan D. has 16 Form 4 transactions on record across 1 company — 9 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
- Direct $679K
- Indirect $0
| MSA | direct | 3,776 sh | $679K |
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 |
|---|---|---|---|---|---|---|---|
| 2026-08-04 | MSA | Sale | 469 @ $191.00 | $90K | −11.0% of holding | 3,776 | Form 4 |
| 2026-02-17 | MSA | Sale | 1,100 @ $203.48 | $224K | −25.4% of holding | 3,234 | Form 4 |
| 2025-11-25 | MSA | Sale | 333 @ $161.00 | $54K | −7.0% of holding | 4,434 | Form 4 |
| 2025-02-24 | MSA | Sale | 717 @ $159.00 | $114K | −16.3% of holding | 3,673 | Form 4 |
12 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-04 | MSA | Gift | 52 | 4,245 | Form 4 |
| 2026-03-08 | MSA | Withheld for tax | 317 | 3,980 | Form 4 |
| 2026-03-08 | MSA | Withheld for tax | 177 | 4,297 | Form 4 |
| 2026-03-08 | MSA | Award / grant | 783 | 4,474 | Form 4 |
| 2026-03-04 | MSA | Award / grant | 457 | 3,691 | Form 4 |
| 2026-02-17 | MSA | Gift | 100 | 4,334 | Form 4 |
| 2025-08-31 | MSA | Withheld for tax | 424 | 4,767 | Form 4 |
| 2025-05-30 | MSA | Award / grant | 920 | 5,191 | Form 4 |
| 2025-03-08 | MSA | Withheld for tax | 297 | 4,271 | Form 4 |
| 2025-03-08 | MSA | Withheld for tax | 136 | 4,568 | Form 4 |
| 2025-03-08 | MSA | Award / grant | 1,031 | 4,704 | Form 4 |
| 2025-02-18 | MSA | Award / grant | 535 | 4,390 | 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.