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: $1.6M Indirect: $0 $1.6M as of 2026-09-16 GTM direct 205,299 sh $840K ZI direct 73,315 sh $744K
Trades by company GTM · 125 trades2026-09-02: Sale, 94 sh ($392) 2026-09-01: Withheld for tax, 156 sh ($661) 2026-09-01: Option exercise, 345 sh ($0) 2026-09-01: Option exercise, 345 sh 2026-09-01: Option exercise, 345 sh 2026-09-01: Option exercise, 345 sh 2026-09-01: Option exercise, 345 sh 2026-07-02: Sale, 20,774 sh ($62K) 2026-07-01: Withheld for tax, 70,638 sh ($207K) 2026-07-01: Option exercise, 80,937 sh ($0) 2026-07-01: Option exercise, 18,522 sh ($0) 2026-07-01: Option exercise, 22,059 sh ($0) 2026-07-01: Option exercise, 30,638 sh ($0) 2026-07-01: Option exercise, 4,465 sh ($0) 2026-07-01: Option exercise, 80,937 sh 2026-07-01: Option exercise, 18,522 sh 2026-07-01: Option exercise, 22,059 sh 2026-07-01: Option exercise, 30,638 sh 2026-07-01: Option exercise, 4,465 sh 2026-07-01: Option exercise, 80,937 sh 2026-07-01: Option exercise, 18,522 sh 2026-07-01: Option exercise, 22,059 sh 2026-07-01: Option exercise, 30,638 sh 2026-07-01: Option exercise, 4,465 sh 2026-06-02: Sale, 200 sh ($710) 2026-06-01: Withheld for tax, 331 sh ($1K) 2026-06-01: Option exercise, 387 sh ($0) 2026-06-01: Option exercise, 344 sh ($0) 2026-06-01: Option exercise, 344 sh 2026-06-01: Option exercise, 344 sh 2026-06-01: Option exercise, 387 sh 2026-06-01: Option exercise, 387 sh 2026-05-29: Award / grant, 647,500 sh ($0) 2026-04-02: Sale, 35,723 sh ($210K) 2026-04-01: Withheld for tax, 58,696 sh ($351K) 2026-04-01: Option exercise, 4,464 sh ($0) 2026-04-01: Option exercise, 22,059 sh ($0) 2026-04-01: Option exercise, 72,980 sh ($0) 2026-04-01: Option exercise, 30,639 sh ($0) 2026-04-01: Option exercise, 4,464 sh 2026-04-01: Option exercise, 72,980 sh 2026-04-01: Option exercise, 22,059 sh 2026-04-01: Option exercise, 30,639 sh 2026-04-01: Option exercise, 4,464 sh 2026-04-01: Option exercise, 72,980 sh 2026-04-01: Option exercise, 22,059 sh 2026-04-01: Option exercise, 30,639 sh 2026-03-03: Sale, 200 sh ($1K) 2026-03-01: Withheld for tax, 331 sh ($2K) 2026-03-01: Option exercise, 344 sh ($0) 2026-03-01: Option exercise, 387 sh ($0) 2026-03-01: Option exercise, 387 sh 2026-03-01: Option exercise, 344 sh 2026-03-01: Option exercise, 387 sh 2026-03-01: Option exercise, 344 sh 2026-02-18: Sale, 45,065 sh ($300K) 2026-02-05: Withheld for tax, 25,349 sh ($174K) 2026-02-05: Option exercise, 76,475 sh ($0) 2026-02-05: Option exercise, 76,475 sh 2026-02-05: Option exercise, 76,475 sh 2026-01-01: Withheld for tax, 18,155 sh ($185K) 2026-01-01: Option exercise, 30,638 sh ($0) 2026-01-01: Option exercise, 4,464 sh ($0) 2026-01-01: Option exercise, 22,059 sh ($0) 2026-01-01: Option exercise, 30,638 sh 2026-01-01: Option exercise, 30,638 sh 2026-01-01: Option exercise, 22,059 sh 2026-01-01: Option exercise, 4,464 sh 2026-01-01: Option exercise, 22,059 sh 2026-01-01: Option exercise, 4,464 sh 2025-12-02: Sale, 343 sh ($3K) 2025-12-01: Withheld for tax, 665 sh ($7K) 2025-12-01: Option exercise, 387 sh ($0) 2025-12-01: Option exercise, 344 sh ($0) 2025-12-01: Option exercise, 623 sh ($0) 2025-12-01: Option exercise, 623 sh 2025-12-01: Option exercise, 387 sh 2025-12-01: Option exercise, 344 sh 2025-12-01: Option exercise, 387 sh 2025-12-01: Option exercise, 344 sh 2025-12-01: Option exercise, 623 sh 2025-10-02: Sale, 14,290 sh ($148K) 2025-10-01: Withheld for tax, 28,582 sh ($312K) 2025-10-01: Option exercise, 30,639 sh ($0) 2025-10-01: Option exercise, 22,059 sh ($0) 2025-10-01: Option exercise, 4,465 sh ($0) 2025-10-01: Option exercise, 4,465 sh 2025-10-01: Option exercise, 22,059 sh 2025-10-01: Option exercise, 30,639 sh 2025-09-03: Sale, 3,288 sh ($34K) 2025-09-01: Withheld for tax, 6,540 sh ($71K) 2025-09-01: Option exercise, 11,765 sh ($0) 2025-09-01: Option exercise, 344 sh ($0) 2025-09-01: Option exercise, 387 sh ($0) 2025-09-01: Option exercise, 623 sh ($0) 2025-09-01: Option exercise, 11,765 sh 2025-09-01: Option exercise, 11,765 sh 2025-09-01: Option exercise, 344 sh 2025-09-01: Option exercise, 623 sh 2025-09-01: Option exercise, 387 sh 2025-09-01: Option exercise, 344 sh 2025-09-01: Option exercise, 387 sh 2025-09-01: Option exercise, 623 sh 2025-07-02: Sale, 14,773 sh ($148K) 2025-07-01: Withheld for tax, 29,504 sh ($299K) 2025-07-01: Option exercise, 22,059 sh ($0) 2025-07-01: Option exercise, 30,638 sh ($0) 2025-07-01: Option exercise, 4,464 sh ($0) 2025-07-01: Option exercise, 1,890 sh ($0) 2025-07-01: Option exercise, 4,464 sh 2025-07-01: Option exercise, 22,059 sh 2025-07-01: Option exercise, 30,638 sh 2025-07-01: Option exercise, 1,890 sh 2025-06-05: Sale, 18,408 sh ($184K) 2025-06-01: Withheld for tax, 665 sh ($6K) 2025-06-01: Option exercise, 622 sh ($0) 2025-06-01: Option exercise, 387 sh ($0) 2025-06-01: Option exercise, 344 sh ($0) 2025-06-01: Option exercise, 622 sh 2025-06-01: Option exercise, 344 sh 2025-06-01: Option exercise, 622 sh 2025-06-01: Option exercise, 387 sh 2025-06-01: Option exercise, 344 sh 2025-06-01: Option exercise, 387 sh 2025-05-15: Award / grant, 221,154 sh ($0) ZI · 27 trades2025-04-01: Withheld for tax, 29,492 sh ($295K) 2025-04-01: Option exercise, 22,058 sh ($0) 2025-04-01: Option exercise, 1,890 sh ($0) 2025-04-01: Option exercise, 4,464 sh ($0) 2025-04-01: Option exercise, 30,639 sh ($0) 2025-04-01: Option exercise, 4,464 sh 2025-04-01: Option exercise, 4,464 sh 2025-04-01: Option exercise, 1,890 sh 2025-04-01: Option exercise, 22,058 sh 2025-04-01: Option exercise, 30,639 sh 2025-04-01: Option exercise, 1,890 sh 2025-04-01: Option exercise, 22,058 sh 2025-04-01: Option exercise, 30,639 sh 2025-03-01: Withheld for tax, 6,542 sh ($76K) 2025-03-01: Option exercise, 387 sh ($0) 2025-03-01: Option exercise, 623 sh ($0) 2025-03-01: Option exercise, 344 sh ($0) 2025-03-01: Option exercise, 11,765 sh ($0) 2025-03-01: Option exercise, 623 sh 2025-03-01: Option exercise, 11,765 sh 2025-03-01: Option exercise, 387 sh 2025-03-01: Option exercise, 344 sh 2025-03-01: Option exercise, 623 sh 2025-03-01: Option exercise, 387 sh 2025-03-01: Option exercise, 11,765 sh 2025-03-01: Option exercise, 344 sh 2025-02-27: Sale, 30,000 sh ($357K) Filing ledger Date Company Action Shares @ price Value Ownership Δ Owned after Filing 2026-09-02 GTM Sale 94 @ $4.17 $392 −0.0% of holding 205,299 Form 4 2026-07-02 GTM Sale 20,774 @ $2.98 $62K −9.2% of holding 205,204 Form 4 2026-06-02 GTM Sale 200 @ $3.55 $710 −0.1% of holding 139,995 Form 4 2026-04-02 GTM Sale 35,723 @ $5.87 $210K −20.4% of holding 139,795 Form 4 2026-03-03 GTM Sale 200 @ $6.10 $1K −0.2% of holding 104,072 Form 4 2026-02-18 GTM Sale 45,065 @ $6.66 $300K −30.3% of holding 103,872 Form 4 2025-12-02 GTM Sale 343 @ $10.12 $3K −0.6% of holding 58,805 Form 4 2025-10-02 GTM Sale 14,290 @ $10.39 $148K −19.6% of holding 58,459 Form 4 2025-09-03 GTM Sale 3,288 @ $10.26 $34K −6.9% of holding 44,168 Form 4 2025-07-02 GTM Sale 14,773 @ $10.05 $148K −26.5% of holding 40,877 Form 4 2025-06-05 GTM Sale 18,408 @ $10.02 $184K −41.4% of holding 26,103 Form 4 2025-02-27 ZI Sale 30,000 @ $11.91 $357K −79.6% of holding 7,687 Form 4
140 award / exercise / gift records — not counted as purchases Date Company Action Shares Owned after Filing 2026-09-01 GTM Withheld for tax 156 205,393 Form 4 2026-09-01 GTM Option exercise 345 0 Form 4 2026-09-01 GTM Option exercise 345 205,549 Form 4 2026-09-01 GTM Option exercise 345 205,549 Form 4 2026-09-01 GTM Option exercise 345 205,549 Form 4 2026-09-01 GTM Option exercise 345 205,549 Form 4 2026-07-01 GTM Withheld for tax 70,638 225,978 Form 4 2026-07-01 GTM Option exercise 80,937 566,563 Form 4 2026-07-01 GTM Option exercise 18,522 129,652 Form 4 2026-07-01 GTM Option exercise 22,059 66,176 Form 4 2026-07-01 GTM Option exercise 30,638 30,639 Form 4 2026-07-01 GTM Option exercise 4,465 13,393 Form 4 2026-07-01 GTM Option exercise 80,937 296,616 Form 4 2026-07-01 GTM Option exercise 18,522 215,679 Form 4 2026-07-01 GTM Option exercise 22,059 197,157 Form 4 2026-07-01 GTM Option exercise 30,638 175,098 Form 4 2026-07-01 GTM Option exercise 4,465 144,460 Form 4 2026-07-01 GTM Option exercise 80,937 296,616 Form 4 2026-07-01 GTM Option exercise 18,522 215,679 Form 4 2026-07-01 GTM Option exercise 22,059 197,157 Form 4 2026-07-01 GTM Option exercise 30,638 175,098 Form 4 2026-07-01 GTM Option exercise 4,465 144,460 Form 4 2026-06-01 GTM Withheld for tax 331 140,195 Form 4 2026-06-01 GTM Option exercise 387 0 Form 4 2026-06-01 GTM Option exercise 344 345 Form 4 2026-06-01 GTM Option exercise 344 140,526 Form 4 2026-06-01 GTM Option exercise 344 140,526 Form 4 2026-06-01 GTM Option exercise 387 140,182 Form 4 2026-06-01 GTM Option exercise 387 140,182 Form 4 2026-05-29 GTM Award / grant 647,500 647,500 Form 4 2026-04-01 GTM Withheld for tax 58,696 175,518 Form 4 2026-04-01 GTM Option exercise 4,464 17,858 Form 4 2026-04-01 GTM Option exercise 22,059 88,235 Form 4 2026-04-01 GTM Option exercise 72,980 148,174 Form 4 2026-04-01 GTM Option exercise 30,639 61,277 Form 4 2026-04-01 GTM Option exercise 4,464 108,536 Form 4 2026-04-01 GTM Option exercise 72,980 234,214 Form 4 2026-04-01 GTM Option exercise 22,059 161,234 Form 4 2026-04-01 GTM Option exercise 30,639 139,175 Form 4 2026-04-01 GTM Option exercise 4,464 108,536 Form 4
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