Jennifer H. Mak is Controller at MSCI Inc. (MSCI). They have made 6 open-market trades across 3 companies since 2016, most recently 2026-08-16.
CIK 0001673075
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 6 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| AXON | 13,755 | $5.8M |
| MSCI | 6,843 | $4.6M |
| HON | 1,876 | $428K |
| Total | $10.9M |
Shares reported on the most recent Form 4, priced at the 2026-08-17 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| AXON | SELL | 2026-03-02 | 2026-03-04 | $573.45 | $860K | -13.6% | -27.1% | -13.5% |
| AXON | SELL · 10b5-1 | 2025-12-19 | 2025-12-23 | $600.00 | $680K | +6.7% | +3.4% | -13.6% |
| AXON | SELL · 10b5-1 | 2025-12-04 | 2025-12-08 | $550.00 | $492K | +2.2% | +12.7% | +1.5% |
| AXON | SELL · 10b5-1 | 2025-12-03 | 2025-12-03 | $536.75 | $40K | +0.8% | +2.9% | +5.8% |
| AXON | SELL · 10b5-1 | 2025-09-15 | 2025-09-15 | $760.00 | $59K | -6.4% | -15.2% | -27.5% |
| AXON | SELL · 10b5-1 | 2025-09-03 | 2025-09-03 | $723.50 | $109K | +4.8% | -1.4% | -25.9% |
| AXON | SELL · 10b5-1 | 2025-06-13 | 2025-06-16 | $771.81 | $116K | +5.4% | -4.3% | -2.0% |
| MSCI | SELL | 2023-02-13 | 2023-02-14 | $559.89 | $504K | -5.4% | -1.7% | -16.6% |
| MSCI | SELL | 2021-08-06 | 2021-08-10 | $622.38 | $187K | -1.5% | +3.9% | +4.1% |
| MSCI | SELL | 2021-03-01 | 2021-03-03 | $421.38 | $502K | +3.0% | +8.2% | +13.4% |
| HON | SELL · Routine | 2017-07-27 | 2017-07-28 | $136.66 | $57K | +1.1% | -0.5% | +6.1% |
| HON | SELL | 2017-05-23 | 2017-05-24 | $131.88 | $1.5M | -0.1% | +0.8% | +3.0% |
| HON | SELL | 2016-07-29 | 2016-08-01 | $115.54 | $32K | +0.8% | +1.1% | -4.5% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.