Thomas Peter Kalmbach
First SEC filing: Jan. 24, 2019 · Latest: May 26, 2026
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 30, 2026 | GL | M | 11,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 30, 2026 | GL | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 30, 2026 | GL | S | 2,790 | $181.81 | $507,250 | 50,568 Direct | -5.23% | Disposed | -8.9% (price as of 2026-10-02) |
| July 30, 2026 | GL | S | 2,650 | $181.23 | $480,260 | 53,358 Direct | -4.73% | Disposed | -8.6% (price as of 2026-10-02) |
| July 30, 2026 | GL | S | 4,840 | $180.08 | $871,587 | 56,008 Direct | -7.95% | Disposed | -8.0% (price as of 2026-10-02) |
| July 30, 2026 | GL | S | 10,720 | $179.30 | $1,922,096 | 60,848 Direct | -14.98% | Disposed | -7.6% (price as of 2026-10-02) |
| July 30, 2026 | GL | M | 11,000 | $120.49 | $1,325,390 | 71,568 Direct | +18.16% | Acquired | 37.5% (price as of 2026-10-02) |
| July 30, 2026 | GL | M | 10,000 | $103.23 | $1,032,300 | 60,568 Direct | +19.78% | Acquired | 60.5% (price as of 2026-10-02) |
| July 28, 2026 | GL | M | 11,550 | · | · | 11,550 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| July 28, 2026 | GL | M | 14,100 | · | · | 11,000 Direct | -56.18% | Disposed | (price as of 2026-10-02) |
| July 28, 2026 | GL | S | 3,797 | $179.42 | $681,258 | 50,568 Direct | -6.98% | Disposed | -7.7% (price as of 2026-10-02) |
| July 28, 2026 | GL | S | 12,303 | $178.73 | $2,198,915 | 54,365 Direct | -18.45% | Disposed | -7.3% (price as of 2026-10-02) |
| July 28, 2026 | GL | S | 9,550 | $178.06 | $1,700,473 | 66,668 Direct | -12.53% | Disposed | -7.0% (price as of 2026-10-02) |
| July 28, 2026 | GL | M | 11,550 | $128.40 | $1,483,020 | 76,218 Direct | +17.86% | Acquired | 29.0% (price as of 2026-10-02) |
| July 28, 2026 | GL | M | 14,100 | $120.49 | $1,698,909 | 64,668 Direct | +27.88% | Acquired | 37.5% (price as of 2026-10-02) |
| May 22, 2026 | GL | M | 10,000 | · | · | 10,000 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| May 22, 2026 | GL | S | 7,936 | $156.59 | $1,242,698 | 50,496 Direct | -13.58% | Disposed | 5.8% (price as of 2026-10-02) |
| May 22, 2026 | GL | M | 10,000 | $103.23 | $1,032,300 | 58,432 Direct | +20.65% | Acquired | 60.5% (price as of 2026-10-02) |
| May 19, 2026 | GL | M | 15,000 | · | · | 20,000 Direct | -42.86% | Disposed | (price as of 2026-10-02) |
| May 19, 2026 | GL | S | 11,903 | $156.61 | $1,864,129 | 48,432 Direct | -19.73% | Disposed | 5.8% (price as of 2026-10-02) |
| May 19, 2026 | GL | M | 15,000 | $103.23 | $1,548,450 | 60,335 Direct | +33.09% | Acquired | 60.5% (price as of 2026-10-02) |
| May 11, 2026 | GL | M | 20,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 11, 2026 | GL | S | 1,761 | $154.16 | $271,476 | 45,335 Direct | -3.74% | Disposed | 7.5% (price as of 2026-10-02) |
| May 11, 2026 | GL | S | 13,876 | $153.59 | $2,131,215 | 47,096 Direct | -22.76% | Disposed | 7.9% (price as of 2026-10-02) |
| May 11, 2026 | GL | M | 20,000 | $98.32 | $1,966,400 | 60,972 Direct | +48.81% | Acquired | 68.5% (price as of 2026-10-02) |
| May 8, 2026 | GL | M | 15,000 | · | · | 20,000 Direct | -42.86% | Disposed | (price as of 2026-10-02) |
| May 8, 2026 | GL | S | 441 | $152.41 | $67,213 | 40,972 Direct | -1.06% | Disposed | 8.7% (price as of 2026-10-02) |
| May 8, 2026 | GL | S | 11,349 | $152.01 | $1,725,161 | 41,413 Direct | -21.51% | Disposed | 9.0% (price as of 2026-10-02) |
| May 8, 2026 | GL | M | 15,000 | $98.32 | $1,474,800 | 52,762 Direct | +39.72% | Acquired | 68.5% (price as of 2026-10-02) |
| Feb. 27, 2026 | GL | A | 18,500 | · | · | 18,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 27, 2026 | GL | A | 1,738 | · | · | 37,754 Direct | +4.83% | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2026 | GL | F | 3,842 | $144.15 | $553,824 | 36,016 Direct | -9.64% | Disposed | 14.9% (price as of 2026-10-02) |
| Feb. 25, 2026 | GL | A | 9,762 | · | · | 39,858 Direct | +32.44% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2026 | GL | F | 544 | $144.39 | $78,548 | 30,096 Direct | -1.78% | Disposed | 14.7% (price as of 2026-10-02) |
| July 29, 2025 | GL | M | 35,000 | $100.74 | $3,525,900 | 59,617 Direct | +142.18% | Acquired | 64.5% (price as of 2026-10-02) |
| July 29, 2025 | GL | S | 8,179 | $139.79 | $1,143,342 | 51,438 Direct | -13.72% | Disposed | 18.5% (price as of 2026-10-02) |
| July 29, 2025 | GL | S | 8,539 | $140.86 | $1,202,804 | 42,899 Direct | -16.60% | Disposed | 17.6% (price as of 2026-10-02) |
| July 29, 2025 | GL | S | 10,052 | $141.66 | $1,423,966 | 32,847 Direct | -23.43% | Disposed | 17.0% (price as of 2026-10-02) |
| July 29, 2025 | GL | S | 2,182 | $142.67 | $311,306 | 30,665 Direct | -6.64% | Disposed | 16.1% (price as of 2026-10-02) |
| July 29, 2025 | GL | M | 35,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 28, 2025 | GL | A | 16,700 | · | · | 16,700 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 26, 2025 | GL | A | 7,537 | · | · | 25,781 Direct | +41.31% | Acquired | (price as of 2026-10-02) |
| Feb. 26, 2025 | GL | F | 3,004 | $121.93 | $366,278 | 22,817 Direct | -11.63% | Disposed | 35.9% (price as of 2026-10-02) |
| Feb. 26, 2025 | GL | A | 7,537 | · | · | 25,821 Direct | +41.22% | Acquired | (price as of 2026-10-02) |
| May 17, 2024 | GL | P | 500 | $84.43 | $42,215 | 18,080 Direct | +2.84% | Acquired | 96.2% (price as of 2026-10-02) |
| Feb. 28, 2024 | GL | A | 1,780 | · | · | 24,597 Direct | +7.80% | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2024 | GL | A | 23,100 | · | · | 23,100 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2024 | GL | F | 2,926 | $128.40 | $375,698 | 17,580 Direct | -14.27% | Disposed | 29.0% (price as of 2026-10-02) |
| Feb. 28, 2024 | GL | A | 7,435 | · | · | 20,506 Direct | +56.88% | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2024 | GL | A | 3,000 | · | · | 13,071 Direct | +29.79% | Acquired | (price as of 2026-10-02) |
| March 1, 2023 | GL | M | 30,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 1, 2023 | GL | S | 1,503 | $122.43 | $184,012 | 10,071 Direct | -12.99% | Disposed | 35.3% (price as of 2026-10-02) |
| March 1, 2023 | GL | S | 22,659 | $122.23 | $2,769,610 | 11,574 Direct | -66.19% | Disposed | 35.5% (price as of 2026-10-02) |
| March 1, 2023 | GL | M | 30,000 | $82.56 | $2,476,800 | 34,233 Direct | +708.72% | Acquired | 100.7% (price as of 2026-10-02) |
| Feb. 22, 2023 | GL | A | 25,100 | · | · | 25,100 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2023 | GL | A | 1,380 | · | · | 4,233 Direct | +48.37% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2023 | GL | F | 1,070 | $120.49 | $128,924 | 2,853 Direct | -27.28% | Disposed | 37.5% (price as of 2026-10-02) |
| Feb. 22, 2023 | GL | A | 2,737 | · | · | 3,923 Direct | +230.78% | Acquired | (price as of 2026-10-02) |
| March 4, 2022 | GL | I | 439 | $97.19 | $42,666 | 732 Indirect | +149.83% | Acquired | 70.5% (price as of 2026-10-02) |
| Feb. 23, 2022 | GL | A | 35,000 | · | · | 35,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 23, 2022 | GL | F | 382 | $103.23 | $39,434 | 1,186 Direct | -24.36% | Disposed | 60.5% (price as of 2026-10-02) |
| Feb. 23, 2022 | GL | A | 1,568 | · | · | 1,568 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2021 | GL | A | 35,000 | · | · | 35,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 26, 2020 | GL | A | 35,000 | · | · | 35,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2019 | GL | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| July 30, 2026 | GL | Employee Stock Option (right to buy) | Common Stock | $120.49 | Feb. 22, 2030 | 11,000 | Disposed |
| July 30, 2026 | GL | Employee Stock Option (Right to Buy) | Common Stock | $103.23 | Feb. 23, 2029 | 10,000 | Disposed |
| July 28, 2026 | GL | Employee Stock Option (right to buy) | Common Stock | $128.40 | Feb. 28, 2031 | 11,550 | Disposed |
| July 28, 2026 | GL | Employee Stock Option (Right to Buy) | Common Stock | $120.49 | Feb. 22, 2030 | 14,100 | Disposed |
| May 22, 2026 | GL | Employee Stock Option (Right to Buy) | Common Stock | $103.23 | Feb. 23, 2029 | 10,000 | Disposed |
| May 19, 2026 | GL | Employee Stock Option (Right to Buy) | Common Stock | $103.23 | Feb. 23, 2029 | 15,000 | Disposed |
| May 11, 2026 | GL | Employee Stock Option (Right to Buy) | Common Stock | $98.32 | Feb. 24, 2028 | 20,000 | Disposed |
| May 8, 2026 | GL | Employee Stock Option (Right to Buy) | Common Stock | $98.32 | Feb. 24, 2028 | 15,000 | Disposed |
| Feb. 27, 2026 | GL | Employee Stock Option (Right to Buy) | Common Stock | $145.26 | Feb. 27, 2033 | 18,500 | Acquired |
| July 29, 2025 | GL | Employee Stock Option (Right to Buy) | Common Stock | $100.74 | Feb. 26, 2027 | 35,000 | Disposed |
| Feb. 28, 2025 | GL | Employee Stock Option (Right to Buy) | Common Stock | $127.43 | Feb. 28, 2032 | 16,700 | Acquired |
| Feb. 28, 2024 | GL | Employee Stock Option (Right to Buy) | Common Stock | $128.40 | Feb. 28, 2031 | 23,100 | Acquired |
| March 1, 2023 | GL | Employee Stock Option (Right to Buy) | Common Stock | $82.56 | Feb. 28, 2026 | 30,000 | Disposed |
| Feb. 22, 2023 | GL | Employee Stock Option (Right to Buy) | Common Stock | $120.49 | Feb. 22, 2030 | 25,100 | Acquired |
| Feb. 23, 2022 | GL | Employee Stock Option (Right to Buy) | Common Stock | $103.23 | Feb. 23, 2029 | 35,000 | Acquired |
| Feb. 24, 2021 | GL | Employee Stock Option (Right to Buy) | Common Stock | $98.32 | Feb. 24, 2028 | 35,000 | Acquired |
| Feb. 26, 2020 | GL | Employee Stock Option (Right to Buy) | Common Stock | $100.74 | Feb. 26, 2027 | 35,000 | Acquired |
| Feb. 28, 2019 | GL | Employee Stock Option (Right to Buy) | Common Stock | $82.56 | Feb. 28, 2026 | 30,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $684,131 | $0 | · | · | $645,000 | $526,009 | $47,163 | $4,184,779 |
| 2024 | $572,000 | $0 | · | · | $560,000 | $315,588 | $38,744 | $3,435,321 |
| 2023 | $520,000 | $0 | · | · | $405,000 | $251,152 | $31,747 | $2,822,247 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.