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Hartenbaum Howard insider trades
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Hartenbaum Howard insider trades

Hartenbaum Howard has filed 5 Form 4s with the SEC that we hold, for Gitlab Inc. (GTLB) (10% owner) and PubMatic, Inc. (PUBM) (10% owner). Across all of them we count 0 purchases worth $0 and 13 sales worth $10.1M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 40,925 shares of Gitlab Inc. worth $2.8M, dated 2022-08-16. The first filing on our record is dated 2021-08-26 and the latest 2022-08-29.

Gitlab Inc. (GTLB)

10% owner · 3 filings · 9 purchases and sales
Trade dateCodeSharesValue as filedFiled
2022-08-16S, sale reported on Form 416,967$1.1M2022-08-18
2022-08-16S, sale reported on Form 440,925$2.8M2022-08-18
2022-08-16S, sale reported on Form 43,278$222.8K2022-08-18
2022-08-17S, sale reported on Form 4400$26.8K2022-08-18
2022-08-17S, sale reported on Form 424,304$1.6M2022-08-18
2022-08-17S, sale reported on Form 47,000$457.2K2022-08-18
2022-08-17S, sale reported on Form 47,126$471.2K2022-08-18
2022-08-25S, sale reported on Form 41,340$87.5K2022-08-29
2022-08-25S, sale reported on Form 417,113$1.1M2022-08-29

PubMatic, Inc. (PUBM)

10% owner · 3 filings · 4 purchases and sales
Trade dateCodeSharesValue as filedFiled
2021-08-24S, sale reported on Form 439,568$1.1M2021-08-26
2021-08-25S, sale reported on Form 412,712$356.1K2021-08-26
2021-11-10S, sale reported on Form 411,159$437.0K2021-11-12
2021-11-10S, sale reported on Form 48,841$350.0K2021-11-12
Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1547424) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-12 · For informational purposes only, not investment advice.
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