Jack R. Lazar is CFO and Senior VP at ATHEROS COMMUNICATIONS INC (ATHR). They have made 29 open-market trades across 10 companies since 2006, most recently 2026-07-28.
CIK 0001277624
12 open-market purchases totalling $1.9M since 2013, against 17 sales. Across 12 scored buys the stock is up 15.9% at ninety days, and 12.8 points ahead of the S&P over the same stretch.
12 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 42% | 33% | 42% |
| Avg Move | -1.5% | -3.2% | +15.9% |
| Alpha | -0.9% | -3.4% | +12.8% |
| Scored | 12 | 12 | 12 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| ALAB | SELL · 10b5-1 | 2026-06-04 | 2026-06-08 | $355.17 | $3.6M | +17.5% | +11.0% | -18.5% |
| ALAB | SELL · 10b5-1 | 2026-03-16 | 2026-03-17 | $130.00 | $325K | -11.5% | +34.4% | +206.2% |
| ALAB | SELL | 2026-03-05 | 2026-03-09 | $119.80 | $898K | +3.4% | +2.8% | +183.6% |
| BOX | SELL · 10b5-1 | 2025-12-04 | 2025-12-05 | $31.77 | $79K | -4.2% | -9.4% | -17.1% |
| ALAB | SELL · 10b5-1 | 2025-11-20 | 2025-11-21 | $148.19 | $524K | +4.7% | +18.5% | -9.0% |
| BOX | SELL · 10b5-1 | 2025-09-26 | 2025-09-30 | $32.20 | $161K | +2.1% | -1.3% | -5.1% |
| ALAB | SELL · 10b5-1 | 2025-08-27 | 2025-08-28 | $178.41 | $8.0M | +21.8% | +5.1% | -18.5% |
| ALAB | SELL · 10b5-1 | 2025-02-18 | 2025-02-20 | $91.64 | $894K | -21.7% | -17.0% | +3.7% |
| ALAB | SELL · 10b5-1 | 2024-11-15 | 2024-11-19 | $86.43 | $2.2M | +9.1% | +32.2% | -1.6% |
| BOX | SELL · 10b5-1 | 2024-11-12 | 2024-11-14 | $34.75 | $87K | +3.0% | -6.8% | +1.9% |
| ALAB | SELL · 10b5-1 | 2024-10-11 | 2024-10-15 | $69.95 | $140K | +13.0% | +37.6% | +97.8% |
| ALAB | SELL · 10b5-1 | 2024-10-09 | 2024-10-11 | $61.69 | $185K | +1.5% | +38.2% | +94.2% |
| ALAB | SELL · 10b5-1 | 2024-09-23 | 2024-09-25 | $50.73 | $2.3M | -2.5% | +34.9% | +162.8% |
| TDUP | BUY | 2024-09-03 | 2024-09-04 | $0.94 | $19K | +0.5% | -14.4% | +90.1% |
| TDUP | BUY | 2024-08-30 | 2024-09-03 | $0.91 | $9K | +15.3% | -7.9% | +103.5% |
| BOX | SELL · 10b5-1 | 2024-08-29 | 2024-08-30 | $32.68 | $229K | +1.7% | +1.2% | +8.5% |
| REZI | SELL | 2024-05-14 | 2024-05-16 | $21.80 | $196K | -1.8% | -10.8% | -15.1% |
| ALAB | BUY | 2024-03-22 | 2024-03-22 | $36.00 | $360K | -4.9% | -10.4% | -13.9% |
| BOX | SELL | 2023-06-15 | 2023-06-20 | $29.95 | $150K | +1.0% | +6.2% | -14.3% |
| BOX | SELL | 2023-04-05 | 2023-04-07 | $26.95 | $135K | +1.4% | +0.3% | +6.4% |
| TDUP | BUY | 2022-03-09 | 2022-03-11 | $7.51 | $198K | +0.9% | +5.1% | -48.7% |
| SLAB | SELL | 2021-09-01 | 2021-09-03 | $160.00 | $216K | -6.3% | -12.6% | +26.2% |
| TDUP | BUY | 2021-03-30 | 2021-04-01 | $14.00 | $100K | -33.1% | -25.7% | +23.7% |
| SLAB | SELL | 2021-01-04 | 2021-01-05 | $129.75 | $195K | +6.0% | +9.6% | +16.6% |
| REZI | BUY | 2020-11-18 | 2020-11-19 | $15.00 | $100K | +9.7% | +12.6% | +51.7% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| CSPR |
| 50,060 |
| $339K |
| TUBE | 8,069 | $113K |
| GPRO | 94,480 | $98K |
| MLNX | 633 | $79K |
| ATHR | 178,639 | — |
| Total | $29.7M |
Shares reported on the most recent Form 4, priced at the 2026-07-30 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.