Ling Chow
CIK 1724439 · View on SEC EDGAR ↗
First SEC filing: Jan. 4, 2018 · Latest: Feb. 13, 2023
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 1, 2026 | AGO | A | 5,970 | — | — | 195,570 Direct | +3.15% | Acquired | (price as of 2026-08-19) |
| Feb. 23, 2026 | AGO | F | 7,835 | $85.11 | $666,837 | 189,600 Direct | -3.97% | Disposed | -9.8% (price as of 2026-08-19) |
| Feb. 22, 2026 | AGO | F | 6,977 | $88.39 | $616,697 | 197,435 Direct | -3.41% | Disposed | -13.1% (price as of 2026-08-19) |
| Feb. 22, 2026 | AGO | A | 12,616 | — | — | 204,412 Direct | +6.58% | Acquired | (price as of 2026-08-19) |
| Feb. 22, 2026 | AGO | F | 4,694 | $88.39 | $414,903 | 191,796 Direct | -2.39% | Disposed | -13.1% (price as of 2026-08-19) |
| Feb. 20, 2026 | AGO | A | 8,722 | — | — | 196,490 Direct | +4.65% | Acquired | (price as of 2026-08-19) |
| Feb. 24, 2025 | AGO | F | 13,455 | $90.80 | $1,221,714 | 187,768 Direct | -6.69% | Disposed | -15.4% (price as of 2026-08-19) |
| Feb. 23, 2025 | AGO | A | 14,168 | — | — | 201,223 Direct | +7.57% | Acquired | (price as of 2026-08-19) |
| Feb. 23, 2025 | AGO | F | 7,333 | $89.81 | $658,577 | 187,055 Direct | -3.77% | Disposed | -14.5% (price as of 2026-08-19) |
| Feb. 23, 2025 | AGO | A | 13,260 | — | — | 194,388 Direct | +7.32% | Acquired | (price as of 2026-08-19) |
| Feb. 23, 2025 | AGO | F | 4,927 | $89.81 | $442,494 | 181,128 Direct | -2.65% | Disposed | -14.5% (price as of 2026-08-19) |
| Feb. 19, 2025 | AGO | A | 16,478 | — | — | 186,055 Direct | +9.72% | Acquired | (price as of 2026-08-19) |
| Feb. 19, 2025 | AGO | A | 8,788 | — | — | 169,577 Direct | +5.47% | Acquired | (price as of 2026-08-19) |
| Feb. 26, 2024 | AGO | F | 7,822 | $85.69 | $670,267 | 160,789 Direct | -4.64% | Disposed | -10.4% (price as of 2026-08-19) |
| Feb. 24, 2024 | AGO | A | 24,330 | — | — | 168,611 Direct | +16.86% | Acquired | (price as of 2026-08-19) |
| Feb. 24, 2024 | AGO | F | 10,764 | $84.93 | $914,187 | 144,281 Direct | -6.94% | Disposed | -9.6% (price as of 2026-08-19) |
| Feb. 24, 2024 | AGO | A | 19,464 | — | — | 155,045 Direct | +14.36% | Acquired | (price as of 2026-08-19) |
| Feb. 24, 2024 | AGO | F | 7,217 | $84.93 | $612,940 | 135,581 Direct | -5.05% | Disposed | -9.6% (price as of 2026-08-19) |
| Feb. 21, 2024 | AGO | A | 8,064 | — | — | 142,798 Direct | +5.99% | Acquired | (price as of 2026-08-19) |
| Feb. 27, 2023 | AGO | F | 3,295 | $62.05 | $204,455 | 134,734 Direct | -2.39% | Disposed | 23.8% (price as of 2026-08-19) |
| Feb. 26, 2023 | AGO | A | 14,144 | — | — | 138,029 Direct | +11.42% | Acquired | (price as of 2026-08-19) |
| Feb. 26, 2023 | AGO | F | 8,058 | $62.55 | $504,028 | 123,885 Direct | -6.11% | Disposed | 22.8% (price as of 2026-08-19) |
| Feb. 26, 2023 | AGO | A | 14,570 | — | — | 131,943 Direct | +12.41% | Acquired | (price as of 2026-08-19) |
| Feb. 26, 2023 | AGO | F | 5,418 | $62.55 | $338,896 | 117,373 Direct | -4.41% | Disposed | 22.8% (price as of 2026-08-19) |
| Feb. 22, 2023 | AGO | A | 8,410 | — | — | 122,791 Direct | +7.35% | Acquired | (price as of 2026-08-19) |
| Feb. 27, 2022 | AGO | A | 5,958 | — | — | 114,881 Direct | +5.47% | Acquired | (price as of 2026-08-19) |
| Feb. 27, 2022 | AGO | F | 8,274 | $63.64 | $526,557 | 108,923 Direct | -7.06% | Disposed | 20.7% (price as of 2026-08-19) |
| Feb. 27, 2022 | AGO | A | 14,962 | — | — | 117,197 Direct | +14.63% | Acquired | (price as of 2026-08-19) |
| Feb. 27, 2022 | AGO | F | 5,517 | $63.64 | $351,102 | 102,235 Direct | -5.12% | Disposed | 20.7% (price as of 2026-08-19) |
| Feb. 23, 2022 | AGO | A | 8,840 | — | — | 107,752 Direct | +8.94% | Acquired | (price as of 2026-08-19) |
| Feb. 21, 2022 | AGO | F | 1,860 | $57.20 | $106,392 | 98,912 Direct | -1.85% | Disposed | 34.3% (price as of 2026-08-19) |
| Feb. 24, 2021 | AGO | A | 12,976 | — | — | 100,772 Direct | +14.78% | Acquired | (price as of 2026-08-19) |
| Feb. 22, 2021 | AGO | F | 1,286 | $39.61 | $50,938 | 87,796 Direct | -1.44% | Disposed | 93.9% (price as of 2026-08-19) |
| Feb. 21, 2021 | AGO | M | 9,296 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| Feb. 21, 2021 | AGO | F | 8,894 | $39.50 | $351,313 | 89,082 Direct | -9.08% | Disposed | 94.5% (price as of 2026-08-19) |
| Feb. 21, 2021 | AGO | M | 16,710 | — | — | 97,976 Direct | +20.56% | Acquired | (price as of 2026-08-19) |
| Feb. 21, 2021 | AGO | F | 4,948 | $39.50 | $195,446 | 81,266 Direct | -5.74% | Disposed | 94.5% (price as of 2026-08-19) |
| Feb. 21, 2021 | AGO | F | 1,812 | $39.50 | $71,574 | 86,214 Direct | -2.06% | Disposed | 94.5% (price as of 2026-08-19) |
| Nov. 16, 2020 | AGO | M | 3,898 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| Nov. 16, 2020 | AGO | F | 3,312 | $32.28 | $106,911 | 88,026 Direct | -3.63% | Disposed | 137.9% (price as of 2026-08-19) |
| Nov. 16, 2020 | AGO | M | 3,898 | $21.88 | $85,288 | 91,338 Direct | +4.46% | Acquired | 251.1% (price as of 2026-08-19) |
| Feb. 26, 2020 | AGO | A | 9,713 | — | — | 87,440 Direct | +12.50% | Acquired | (price as of 2026-08-19) |
| Feb. 24, 2020 | AGO | F | 1,363 | $45.34 | $61,798 | 77,727 Direct | -1.72% | Disposed | 69.4% (price as of 2026-08-19) |
| Feb. 22, 2020 | AGO | F | 1,285 | $46.30 | $59,496 | 79,090 Direct | -1.60% | Disposed | 65.9% (price as of 2026-08-19) |
| Feb. 21, 2020 | AGO | F | 1,802 | $46.30 | $83,433 | 80,375 Direct | -2.19% | Disposed | 65.9% (price as of 2026-08-19) |
| Sept. 12, 2019 | AGO | M | 2,500 | — | — | 3,898 Direct | -39.07% | Disposed | (price as of 2026-08-19) |
| Sept. 12, 2019 | AGO | M | 6,200 | — | — | 6,398 Direct | -49.21% | Disposed | (price as of 2026-08-19) |
| Sept. 12, 2019 | AGO | F | 1,842 | $45.31 | $83,461 | 82,177 Direct | -2.19% | Disposed | 69.5% (price as of 2026-08-19) |
| Sept. 12, 2019 | AGO | M | 2,500 | $19.79 | $49,475 | 84,019 Direct | +3.07% | Acquired | 288.1% (price as of 2026-08-19) |
| Sept. 12, 2019 | AGO | F | 4,532 | $45.31 | $205,345 | 81,519 Direct | -5.27% | Disposed | 69.5% (price as of 2026-08-19) |
| Sept. 12, 2019 | AGO | M | 6,200 | $19.24 | $119,288 | 86,051 Direct | +7.76% | Acquired | 299.2% (price as of 2026-08-19) |
| Feb. 27, 2019 | AGO | A | 9,975 | — | — | 79,851 Direct | +14.28% | Acquired | (price as of 2026-08-19) |
| Feb. 24, 2019 | AGO | F | 979 | $41.55 | $40,677 | 69,876 Direct | -1.38% | Disposed | 84.9% (price as of 2026-08-19) |
| Feb. 22, 2019 | AGO | F | 923 | $41.55 | $38,351 | 70,855 Direct | -1.29% | Disposed | 84.9% (price as of 2026-08-19) |
| Feb. 21, 2019 | AGO | F | 1,252 | $41.53 | $51,996 | 71,778 Direct | -1.71% | Disposed | 85.0% (price as of 2026-08-19) |
| Feb. 4, 2019 | AGO | F | 863 | $40.49 | $34,943 | 73,030 Direct | -1.17% | Disposed | 89.7% (price as of 2026-08-19) |
| Sept. 21, 2018 | AGO | M | 2,241 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| Sept. 21, 2018 | AGO | M | 4,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| Sept. 21, 2018 | AGO | F | 1,626 | $42.28 | $68,747 | 73,893 Direct | -2.15% | Disposed | 81.7% (price as of 2026-08-19) |
| Sept. 21, 2018 | AGO | M | 2,241 | $17.44 | $39,083 | 75,519 Direct | +3.06% | Acquired | 340.4% (price as of 2026-08-19) |
| Sept. 21, 2018 | AGO | F | 2,459 | $42.28 | $103,967 | 73,278 Direct | -3.25% | Disposed | 81.7% (price as of 2026-08-19) |
| Sept. 21, 2018 | AGO | M | 4,000 | $7.44 | $29,760 | 75,737 Direct | +5.58% | Acquired | 932.4% (price as of 2026-08-19) |
| Feb. 24, 2018 | AGO | F | 979 | $36.67 | $35,900 | 71,737 Direct | -1.35% | Disposed | 109.5% (price as of 2026-08-19) |
| Feb. 22, 2018 | AGO | F | 913 | $37.19 | $33,954 | 72,716 Direct | -1.24% | Disposed | 106.5% (price as of 2026-08-19) |
| Feb. 21, 2018 | AGO | A | 9,296 | — | — | 9,296 Direct | — | Acquired | (price as of 2026-08-19) |
| Feb. 21, 2018 | AGO | A | 13,186 | — | — | 73,629 Direct | +21.82% | Acquired | (price as of 2026-08-19) |
| Feb. 21, 2018 | AGO | A | 9,296 | — | — | 60,443 Direct | +18.18% | Acquired | (price as of 2026-08-19) |
| Feb. 5, 2018 | AGO | F | 209 | $35.38 | $7,394 | 51,147 Direct | -0.41% | Disposed | 117.1% (price as of 2026-08-19) |
| Feb. 4, 2018 | AGO | F | 863 | $35.19 | $30,369 | 51,356 Direct | -1.65% | Disposed | 118.3% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 21, 2021 | AGO | Performance Share Units | Common Shares (9,296) | — | — | 9,296 | Disposed |
| Nov. 16, 2020 | AGO | Option to Acquire Common Shares | Common Shares (3,898) | $21.88 | Feb. 5, 2021 | 3,898 | Disposed |
| Sept. 12, 2019 | AGO | Option to Acquire Common Shares | Common Shares (2,500) | $19.79 | Feb. 24, 2020 | 2,500 | Disposed |
| Sept. 12, 2019 | AGO | Option to Acquire Common Shares | Common Shares (6,200) | $19.24 | Feb. 7, 2020 | 6,200 | Disposed |
| Sept. 21, 2018 | AGO | Options to Acquire Common Shares | Common Shares (2,241) | $17.44 | Feb. 9, 2019 | 2,241 | Disposed |
| Sept. 21, 2018 | AGO | Options to Acquire Common Shares | Common Shares (4,000) | $7.44 | Feb. 5, 2019 | 4,000 | Disposed |
| Feb. 21, 2018 | AGO | Performance Share Units | Common Shares (9,296) | — | — | 9,296 | 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 |
|---|---|---|---|---|
| Jan. 4, 2018 | AGO | Common Shares | — | Direct |
| Jan. 4, 2018 | AGO | Options to Acquire Common Shares→ Common Shares (4,000) | 4,000 | Direct |
| Jan. 4, 2018 | AGO | Options to Acquire Common Shares→ Common Shares (2,500) | 2,500 | Direct |
| Jan. 4, 2018 | AGO | Options to Acquire Common Shares→ Common Shares (2,241) | 2,241 | Direct |
| Jan. 4, 2018 | AGO | Options to Acquire Common Shares→ Common Shares (6,200) | 6,200 | Direct |
| Jan. 4, 2018 | AGO | Options to Acquire Common Shares→ Common Shares (3,898) | 3,898 | Direct |
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 | $675,000 | — | — | — | $1,556,391 | — | $326,322 | $6,219,422 |
| 2024 | $650,000 | — | — | — | $1,633,083 | — | $319,418 | $4,430,388 |
| 2023 | $600,000 | — | — | — | $1,618,704 | — | $301,253 | $3,945,250 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.