JACK R LAZAR
CIK 1277624 · Chief Financial Officer · last filed 2026-07-02
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
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Disclosed Exposure
$29.27M
Companies
11
Total Filings
176
Lifetime Open-Market Net
-$37.16M
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| REZI | Director | 123,188 | $35.67 | $4.39M | $159.8K | 33 | 2026-07-02 |
| BOX | Director | 33,727 | $32.42 | $1.09M | -$840.5K | 13 | 2026-06-29 |
| ALAB | Director | 77,775 | $249.74 | $19.42M | -$11.94M | 12 | 2026-06-08 |
| TDUP | Director | 311,414 | $5.93 | $1.85M | $325.5K | 18 | 2024-09-04 |
| Casper Sleep Inc. (CSPR) Delisted | Director | 0 | $6.78 | $0 | $200.0K | 4 | 2022-01-26 |
| SLAB | Director | 10,466 | $216.44 | $2.27M | -$1.63M | 20 | 2021-09-03 |
| Mellanox Technologies, Ltd. (MLNX) Delisted | Director | 633 | — | — | $0 | 4 | 2020-04-27 |
| ON Semiconductor Connectivity Solutions, Inc. (QTNA) Delisted | Director | 29,933 | — | — | $240.0K | 3 | 2018-06-07 |
| TUBEMOGUL INC (TUBE) Delisted | Director | 34,693 | — | — | $20.0K | 5 | 2016-08-18 |
| GPRO | Chief Financial Officer | 35,096 | $0.69 | $24.4K | -$11.53M | 10 | 2016-01-26 |
| ATHR | CFO and Senior VP | 62,263 | $3.50 | $217.9K | -$12.17M | 36 | 2011-05-24 |
Recent Filings · Page 12 of 18
176 filingsInsider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2018-06-20 | Mellanox Technologies, Ltd. (MLNX) Delisted | Grant (A) | +350 | $0 | EDGAR |
| 2018-06-11 | SLAB | Sell (S) | −4,750 | -$514.1K | EDGAR |
| 2018-06-07 | ON Semiconductor Connectivity Solutions, Inc. (QTNA) Delisted | Grant (A) | +8,317 | $0 | EDGAR |
| 2018-04-23 | SLAB | Grant (A) | +1,825 | $0 | EDGAR |
| 2017-06-13 | ON Semiconductor Connectivity Solutions, Inc. (QTNA) Delisted | Grant (A) | +6,616 | $0 | EDGAR |
| 2017-04-20 | SLAB | Grant (A) | +2,702 | $0 | EDGAR |
| 2016-12-21 | — | Mixed | −34,693 | -$485.7K | |
| 2016-11-04 | ON Semiconductor Connectivity Solutions, Inc. (QTNA) Delisted | Buy (P) | +15,000 | $240.0K | EDGAR |
| 2016-10-07 | SLAB | Sell (S) | −4,000 | -$240.0K | EDGAR |
| 2016-09-16 | SLAB | Sell (S) | −4,000 | -$223.7K | EDGAR |
Form 4 codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.