Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in September in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings Direct: $740K Indirect: $0 $740K as of 2026-09-16 GTM direct 107,037 sh $438K ZI direct 29,765 sh $302K
Trades by company GTM · 153 trades2026-09-02: Sale, 34 sh ($142) 2026-09-01: Withheld for tax, 70 sh ($297) 2026-09-01: Option exercise, 207 sh ($0) 2026-09-01: Option exercise, 207 sh 2026-09-01: Option exercise, 207 sh 2026-09-01: Option exercise, 207 sh 2026-09-01: Option exercise, 207 sh 2026-08-07: Sale, 16,400 sh ($68K) 2026-08-04: Sale, 997 sh ($4K) 2026-08-01: Withheld for tax, 1,997 sh ($7K) 2026-08-01: Option exercise, 5,987 sh ($0) 2026-08-01: Option exercise, 5,987 sh 2026-08-01: Option exercise, 5,987 sh 2026-07-02: Sale, 2,461 sh ($7K) 2026-07-01: Withheld for tax, 21,349 sh ($63K) 2026-07-01: Option exercise, 612 sh ($0) 2026-07-01: Option exercise, 551 sh ($0) 2026-07-01: Option exercise, 4,467 sh ($0) 2026-07-01: Option exercise, 8,375 sh ($0) 2026-07-01: Option exercise, 49,218 sh ($0) 2026-07-01: Option exercise, 781 sh ($0) 2026-07-01: Option exercise, 551 sh 2026-07-01: Option exercise, 49,218 sh 2026-07-01: Option exercise, 8,375 sh 2026-07-01: Option exercise, 4,467 sh 2026-07-01: Option exercise, 551 sh 2026-07-01: Option exercise, 612 sh 2026-07-01: Option exercise, 781 sh 2026-07-01: Option exercise, 49,218 sh 2026-07-01: Option exercise, 8,375 sh 2026-07-01: Option exercise, 4,467 sh 2026-07-01: Option exercise, 612 sh 2026-07-01: Option exercise, 781 sh 2026-06-02: Sale, 34 sh ($121) 2026-06-01: Withheld for tax, 69 sh ($230) 2026-06-01: Option exercise, 206 sh ($0) 2026-06-01: Option exercise, 206 sh 2026-06-01: Option exercise, 206 sh 2026-05-29: Award / grant, 393,750 sh ($0) 2026-05-04: Sale, 1,057 sh ($7K) 2026-05-01: Withheld for tax, 1,757 sh ($11K) 2026-05-01: Option exercise, 5,986 sh ($0) 2026-05-01: Option exercise, 5,986 sh 2026-05-01: Option exercise, 5,986 sh 2026-04-02: Sale, 6,959 sh ($41K) 2026-04-01: Withheld for tax, 11,571 sh ($69K) 2026-04-01: Option exercise, 552 sh ($0) 2026-04-01: Option exercise, 782 sh ($0) 2026-04-01: Option exercise, 611 sh ($0) 2026-04-01: Option exercise, 33,000 sh ($0) 2026-04-01: Option exercise, 4,468 sh ($0) 2026-04-01: Option exercise, 33,000 sh 2026-04-01: Option exercise, 33,000 sh 2026-04-01: Option exercise, 4,468 sh 2026-04-01: Option exercise, 552 sh 2026-04-01: Option exercise, 611 sh 2026-04-01: Option exercise, 782 sh 2026-04-01: Option exercise, 4,468 sh 2026-04-01: Option exercise, 552 sh 2026-04-01: Option exercise, 611 sh 2026-04-01: Option exercise, 782 sh 2026-03-13: Sale, 2,045 sh ($12K) 2026-03-01: Withheld for tax, 61 sh ($379) 2026-03-01: Option exercise, 207 sh ($0) 2026-03-01: Option exercise, 207 sh 2026-03-01: Option exercise, 207 sh 2026-02-05: Withheld for tax, 9,324 sh ($64K) 2026-02-05: Option exercise, 31,033 sh ($0) 2026-02-05: Option exercise, 31,033 sh 2026-02-05: Option exercise, 31,033 sh 2026-02-01: Withheld for tax, 2,103 sh ($17K) 2026-02-01: Option exercise, 5,987 sh ($0) 2026-02-01: Option exercise, 5,987 sh 2026-02-01: Option exercise, 5,987 sh 2026-01-01: Withheld for tax, 2,253 sh ($23K) 2026-01-01: Option exercise, 551 sh ($0) 2026-01-01: Option exercise, 781 sh ($0) 2026-01-01: Option exercise, 612 sh ($0) 2026-01-01: Option exercise, 4,467 sh ($0) 2026-01-01: Option exercise, 781 sh 2026-01-01: Option exercise, 551 sh 2026-01-01: Option exercise, 612 sh 2026-01-01: Option exercise, 781 sh 2026-01-01: Option exercise, 4,467 sh 2026-01-01: Option exercise, 4,467 sh 2026-01-01: Option exercise, 551 sh 2026-01-01: Option exercise, 612 sh 2025-12-02: Sale, 72 sh ($729) 2025-12-01: Sale, 428 sh ($4K) 2025-12-01: Withheld for tax, 69 sh ($684) 2025-12-01: Withheld for tax, 51 sh ($506) 2025-12-01: Option exercise, 152 sh ($0) 2025-12-01: Option exercise, 206 sh ($0) 2025-12-01: Option exercise, 206 sh 2025-12-01: Option exercise, 152 sh 2025-12-01: Option exercise, 206 sh 2025-12-01: Option exercise, 152 sh 2025-11-04: Sale, 6,600 sh ($77K) 2025-11-03: Sale, 515 sh ($6K) 2025-11-01: Withheld for tax, 7,645 sh ($86K) 2025-11-01: Option exercise, 23,946 sh ($0) 2025-11-01: Option exercise, 23,946 sh 2025-11-01: Option exercise, 23,946 sh 2025-10-02: Sale, 1,811 sh ($19K) 2025-10-01: Withheld for tax, 1,885 sh ($21K) 2025-10-01: Sale, 87 sh ($929) 2025-10-01: Option exercise, 781 sh ($0) 2025-10-01: Option exercise, 4,468 sh ($0) 2025-10-01: Option exercise, 552 sh ($0) 2025-10-01: Option exercise, 612 sh ($0) 2025-10-01: Option exercise, 4,468 sh 2025-10-01: Option exercise, 552 sh 2025-10-01: Option exercise, 612 sh 2025-10-01: Option exercise, 781 sh 2025-09-03: Sale, 286 sh ($3K) 2025-09-02: Sale, 453 sh ($5K) 2025-09-01: Withheld for tax, 343 sh ($4K) 2025-09-01: Withheld for tax, 45 sh ($491) 2025-09-01: Option exercise, 152 sh ($0) 2025-09-01: Option exercise, 207 sh ($0) 2025-09-01: Option exercise, 959 sh ($0) 2025-09-01: Option exercise, 152 sh 2025-09-01: Option exercise, 207 sh 2025-09-01: Option exercise, 959 sh 2025-09-01: Option exercise, 152 sh 2025-09-01: Option exercise, 207 sh 2025-09-01: Option exercise, 959 sh 2025-08-01: Sale, 4,617 sh ($48K) 2025-07-02: Sale, 1,398 sh ($14K) 2025-07-01: Withheld for tax, 1,884 sh ($19K) 2025-07-01: Sale, 1,240 sh ($13K) 2025-07-01: Option exercise, 781 sh ($0) 2025-07-01: Option exercise, 611 sh ($0) 2025-07-01: Option exercise, 4,467 sh ($0) 2025-07-01: Option exercise, 551 sh ($0) 2025-07-01: Option exercise, 781 sh 2025-07-01: Option exercise, 4,467 sh 2025-07-01: Option exercise, 551 sh 2025-07-01: Option exercise, 611 sh 2025-06-03: Sale, 572 sh ($6K) 2025-06-02: Sale, 4,698 sh ($45K) 2025-06-01: Withheld for tax, 343 sh ($3K) 2025-06-01: Withheld for tax, 45 sh ($430) 2025-06-01: Option exercise, 959 sh ($0) 2025-06-01: Option exercise, 206 sh ($0) 2025-06-01: Option exercise, 152 sh ($0) 2025-06-01: Option exercise, 959 sh 2025-06-01: Option exercise, 152 sh 2025-06-01: Option exercise, 206 sh 2025-06-01: Option exercise, 959 sh 2025-06-01: Option exercise, 152 sh 2025-06-01: Option exercise, 206 sh 2025-05-30: Award / grant, 100,000 sh ($0) ZI · 24 trades2025-04-01: Withheld for tax, 6,303 sh ($63K) 2025-04-01: Option exercise, 17,870 sh ($0) 2025-04-01: Option exercise, 782 sh ($0) 2025-04-01: Option exercise, 612 sh ($0) 2025-04-01: Option exercise, 2,206 sh ($0) 2025-04-01: Option exercise, 17,870 sh 2025-04-01: Option exercise, 2,206 sh 2025-04-01: Option exercise, 612 sh 2025-04-01: Option exercise, 782 sh 2025-04-01: Option exercise, 612 sh 2025-04-01: Option exercise, 782 sh 2025-04-01: Option exercise, 17,870 sh 2025-04-01: Option exercise, 2,206 sh 2025-03-01: Withheld for tax, 343 sh ($4K) 2025-03-01: Withheld for tax, 45 sh ($525) 2025-03-01: Option exercise, 152 sh ($0) 2025-03-01: Option exercise, 959 sh ($0) 2025-03-01: Option exercise, 207 sh ($0) 2025-03-01: Option exercise, 207 sh 2025-03-01: Option exercise, 152 sh 2025-03-01: Option exercise, 207 sh 2025-03-01: Option exercise, 959 sh 2025-03-01: Option exercise, 152 sh 2025-03-01: Option exercise, 959 sh Filing ledger Date Company Action Shares @ price Value Ownership Δ Owned after Filing 2026-09-02 GTM Sale 34 @ $4.17 $142 −0.0% of holding 107,037 Form 4 2026-08-07 GTM Sale 16,400 @ $4.16 $68K −13.3% of holding 106,934 Form 4 2026-08-04 GTM Sale 997 @ $3.56 $4K −0.8% of holding 123,334 Form 4 2026-07-02 GTM Sale 2,461 @ $2.98 $7K −2.0% of holding 120,341 Form 4 2026-06-02 GTM Sale 34 @ $3.55 $121 −0.0% of holding 80,147 Form 4 2026-05-04 GTM Sale 1,057 @ $6.58 $7K −1.3% of holding 80,044 Form 4 2026-04-02 GTM Sale 6,959 @ $5.87 $41K −8.3% of holding 76,872 Form 4 2026-03-13 GTM Sale 2,045 @ $6.01 $12K −3.5% of holding 55,989 Form 4 2025-12-02 GTM Sale 72 @ $10.12 $729 −0.3% of holding 28,137 Form 4 2025-12-01 GTM Sale 428 @ $9.80 $4K −1.5% of holding 28,209 Form 4 2025-11-04 GTM Sale 6,600 @ $11.69 $77K −18.9% of holding 28,399 Form 4 2025-11-03 GTM Sale 515 @ $11.19 $6K −1.5% of holding 34,999 Form 4 2025-10-02 GTM Sale 1,811 @ $10.39 $19K −8.6% of holding 19,213 Form 4 2025-10-01 GTM Sale 87 @ $10.68 $929 −0.4% of holding 21,024 Form 4 2025-09-03 GTM Sale 286 @ $10.23 $3K −1.7% of holding 16,583 Form 4 2025-09-02 GTM Sale 453 @ $10.40 $5K −2.6% of holding 16,869 Form 4 2025-08-01 GTM Sale 4,617 @ $10.34 $48K −22.0% of holding 16,392 Form 4 2025-07-02 GTM Sale 1,398 @ $10.05 $14K −6.2% of holding 21,009 Form 4 2025-07-01 GTM Sale 1,240 @ $10.09 $13K −5.2% of holding 22,407 Form 4 2025-06-03 GTM Sale 572 @ $9.71 $6K −2.9% of holding 19,121 Form 4 2025-06-02 GTM Sale 4,698 @ $9.56 $45K −19.3% of holding 19,693 Form 4
156 award / exercise / gift records — not counted as purchases Date Company Action Shares Owned after Filing 2026-09-01 GTM Withheld for tax 70 107,071 Form 4 2026-09-01 GTM Option exercise 207 0 Form 4 2026-09-01 GTM Option exercise 207 107,141 Form 4 2026-09-01 GTM Option exercise 207 107,141 Form 4 2026-09-01 GTM Option exercise 207 107,141 Form 4 2026-09-01 GTM Option exercise 207 107,141 Form 4 2026-08-01 GTM Withheld for tax 1,997 124,331 Form 4 2026-08-01 GTM Option exercise 5,987 53,880 Form 4 2026-08-01 GTM Option exercise 5,987 126,328 Form 4 2026-08-01 GTM Option exercise 5,987 126,328 Form 4 2026-07-01 GTM Withheld for tax 21,349 122,802 Form 4 2026-07-01 GTM Option exercise 612 3,058 Form 4 2026-07-01 GTM Option exercise 551 3,861 Form 4 2026-07-01 GTM Option exercise 4,467 31,273 Form 4 2026-07-01 GTM Option exercise 8,375 58,625 Form 4 2026-07-01 GTM Option exercise 49,218 344,532 Form 4 2026-07-01 GTM Option exercise 781 2,344 Form 4 2026-07-01 GTM Option exercise 551 82,091 Form 4 2026-07-01 GTM Option exercise 49,218 144,151 Form 4 2026-07-01 GTM Option exercise 8,375 94,933 Form 4 2026-07-01 GTM Option exercise 4,467 86,558 Form 4 2026-07-01 GTM Option exercise 551 82,091 Form 4 2026-07-01 GTM Option exercise 612 81,540 Form 4 2026-07-01 GTM Option exercise 781 80,928 Form 4 2026-07-01 GTM Option exercise 49,218 144,151 Form 4 2026-07-01 GTM Option exercise 8,375 94,933 Form 4 2026-07-01 GTM Option exercise 4,467 86,558 Form 4 2026-07-01 GTM Option exercise 612 81,540 Form 4 2026-07-01 GTM Option exercise 781 80,928 Form 4 2026-06-01 GTM Withheld for tax 69 80,181 Form 4 2026-06-01 GTM Option exercise 206 227 Form 4 2026-06-01 GTM Option exercise 206 80,250 Form 4 2026-06-01 GTM Option exercise 206 80,250 Form 4 2026-05-29 GTM Award / grant 393,750 393,750 Form 4 2026-05-01 GTM Withheld for tax 1,757 81,101 Form 4 2026-05-01 GTM Option exercise 5,986 59,867 Form 4 2026-05-01 GTM Option exercise 5,986 82,858 Form 4 2026-05-01 GTM Option exercise 5,986 82,858 Form 4 2026-04-01 GTM Withheld for tax 11,571 83,831 Form 4 2026-04-01 GTM Option exercise 552 4,412 Form 4
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms .