Kalmbach Thomas Peter
Officer · GL
As of 2026-09-16, Kalmbach Thomas Peter has 44 Form 4 transactions on record across 1 company — 34 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 July in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-07-30 | GL | Sale | 10,720 @ $179.30 | $1.9M | −15.0% of holding | 60,848 | Form 4 |
| 2026-07-30 | GL | Sale | 4,840 @ $180.08 | $872K | −8.0% of holding | 56,008 | Form 4 |
| 2026-07-30 | GL | Sale | 2,790 @ $181.81 | $507K | −5.2% of holding | 50,568 | Form 4 |
| 2026-07-30 | GL | Sale | 2,650 @ $181.23 | $480K | −4.7% of holding | 53,358 | Form 4 |
| 2026-07-28 | GL | Sale | 12,303 @ $178.73 | $2.2M | −18.5% of holding | 54,365 | Form 4 |
| 2026-07-28 | GL | Sale | 9,550 @ $178.06 | $1.7M | −12.5% of holding | 66,668 | Form 4 |
| 2026-07-28 | GL | Sale | 3,797 @ $179.42 | $681K | −7.0% of holding | 50,568 | Form 4 |
| 2026-05-22 | GL | Sale | 7,936 @ $156.59 | $1.2M | −13.6% of holding | 50,496 | Form 4 |
| 2026-05-19 | GL | Sale | 11,903 @ $156.61 | $1.9M | −19.7% of holding | 48,432 | Form 4 |
| 2026-05-11 | GL | Sale | 13,876 @ $153.59 | $2.1M | −22.8% of holding | 47,096 | Form 4 |
| 2026-05-11 | GL | Sale | 1,761 @ $154.16 | $271K | −3.7% of holding | 45,335 | Form 4 |
| 2026-05-08 | GL | Sale | 11,349 @ $152.01 | $1.7M | −21.5% of holding | 41,413 | Form 4 |
| 2026-05-08 | GL | Sale | 441 @ $152.41 | $67K | −1.1% of holding | 40,972 | Form 4 |
| 2025-07-29 | GL | Sale | 10,052 @ $141.66 | $1.4M | −23.4% of holding | 32,847 | Form 4 |
| 2025-07-29 | GL | Sale | 8,539 @ $140.87 | $1.2M | −16.6% of holding | 42,899 | Form 4 |
| 2025-07-29 | GL | Sale | 8,179 @ $139.79 | $1.1M | −13.7% of holding | 51,438 | Form 4 |
| 2025-07-29 | GL | Sale | 2,182 @ $142.67 | $311K | −6.6% of holding | 30,665 | Form 4 |
27 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-07-30 | GL | Option exercise | 11,000 | 71,568 | Form 4 |
| 2026-07-30 | GL | Option exercise | 10,000 | 60,568 | Form 4 |
| 2026-07-30 | GL | Option exercise | 10,000 | 0 | Form 4 |
| 2026-07-30 | GL | Option exercise | 11,000 | 0 | Form 4 |
| 2026-07-28 | GL | Option exercise | 14,100 | 64,668 | Form 4 |
| 2026-07-28 | GL | Option exercise | 11,550 | 76,218 | Form 4 |
| 2026-07-28 | GL | Option exercise | 14,100 | 11,000 | Form 4 |
| 2026-07-28 | GL | Option exercise | 11,550 | 11,550 | Form 4 |
| 2026-05-22 | GL | Option exercise | 10,000 | 58,432 | Form 4 |
| 2026-05-22 | GL | Option exercise | 10,000 | 10,000 | Form 4 |
| 2026-05-19 | GL | Option exercise | 15,000 | 60,335 | Form 4 |
| 2026-05-19 | GL | Option exercise | 15,000 | 20,000 | Form 4 |
| 2026-05-11 | GL | Option exercise | 20,000 | 60,972 | Form 4 |
| 2026-05-11 | GL | Option exercise | 20,000 | 0 | Form 4 |
| 2026-05-08 | GL | Option exercise | 15,000 | 52,762 | Form 4 |
| 2026-05-08 | GL | Option exercise | 15,000 | 20,000 | Form 4 |
| 2026-02-27 | GL | Award / grant | 18,500 | 18,500 | Form 4 |
| 2026-02-27 | GL | Award / grant | 1,738 | 37,754 | Form 4 |
| 2026-02-25 | GL | Withheld for tax | 3,842 | 36,016 | Form 4 |
| 2026-02-25 | GL | Award / grant | 9,762 | 39,858 | Form 4 |
| 2026-02-22 | GL | Withheld for tax | 544 | 30,096 | Form 4 |
| 2025-07-29 | GL | Option exercise | 35,000 | 59,617 | Form 4 |
| 2025-07-29 | GL | Option exercise | 35,000 | 0 | Form 4 |
| 2025-02-28 | GL | Award / grant | 16,700 | 16,700 | Form 4 |
| 2025-02-26 | GL | Withheld for tax | 3,004 | 22,817 | Form 4 |
| 2025-02-26 | GL | Award / grant | 7,537 | 25,821 | Form 4 |
| 2024-02-28 | GL | Award / grant | 1,780 | 24,597 | 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.