COLUMN GROUP III GP, LP

Ten-percent owner · SRZN

As of 2026-09-16, COLUMN GROUP III GP, LP has 174 Form 4 transactions on record across 1 company — 30 in the trailing 12 months.

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.

Reconstructed holdings

Direct: $0Indirect: $17.2M$17.2Mas of 2026-09-16
  • Direct $0
  • Indirect $17.2M
SRZNindirect1,016,658 sh$17.2M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

SRZN · 147 trades
2026-01-20: Purchase, 9,568 sh ($188K)2026-01-20: Purchase, 8,484 sh ($166K)2026-01-16: Purchase, 1,358 sh ($27K)2026-01-16: Purchase, 1,204 sh ($24K)2026-01-15: Purchase, 6,303 sh ($125K)2026-01-15: Purchase, 5,590 sh ($111K)2026-01-14: Purchase, 2,927 sh ($59K)2026-01-14: Purchase, 2,596 sh ($52K)2026-01-13: Purchase, 6,609 sh ($131K)2026-01-13: Purchase, 5,861 sh ($116K)2026-01-06: Purchase, 8,003 sh ($159K)2026-01-06: Purchase, 7,097 sh ($141K)2025-12-05: Purchase, 16,381 sh ($320K)2025-12-05: Purchase, 14,503 sh ($283K)2025-12-04: Purchase, 2,791 sh ($48K)2025-12-04: Purchase, 2,475 sh ($43K)2025-11-13: Purchase, 167,307 sh ($2.1M)2025-11-13: Purchase, 148,150 sh ($1.9M)2025-03-26: Purchase, 365,769 sh ($4.2M)2025-03-26: Purchase, 344,827 sh ($4.0M)2025-03-26: Purchase, 323,886 sh ($3.8M)2025-03-26: Code H, 352,225 sh2025-03-26: Code H, 397,773 sh2025-03-26: Code H, 352,225 sh2025-03-26: Code H, 397,773 sh2025-03-26: Purchase, 161,943 sh2025-03-26: Purchase, 182,884 sh2025-03-26: Purchase, 172,414 sh2025-03-26: Purchase, 485,830 sh2025-03-26: Code H, 90,897 sh2025-03-26: Purchase, 90,897 sh2025-03-26: Code H, 102,651 sh2025-03-26: Purchase, 102,651 sh2025-03-26: Code H, 98,870 sh2025-03-26: Purchase, 98,870 sh2025-03-26: Code H, 111,656 sh2025-03-26: Purchase, 111,656 sh2025-03-26: Code H, 397,773 sh2025-03-26: Code H, 352,225 sh2025-03-26: Purchase, 161,943 sh2025-03-26: Purchase, 485,830 sh2025-03-26: Purchase, 548,653 sh2025-03-26: Purchase, 517,241 sh2025-03-26: Purchase, 90,897 sh2025-03-26: Code H, 102,651 sh2025-03-26: Purchase, 102,651 sh2025-03-26: Code H, 90,897 sh2025-03-26: Code H, 111,656 sh2025-03-26: Purchase, 111,656 sh2025-03-26: Code H, 352,225 sh2025-03-26: Code H, 397,773 sh2025-03-26: Code H, 352,225 sh2025-03-26: Code H, 397,773 sh2025-03-26: Purchase, 161,943 sh2025-03-26: Code H, 98,870 sh2025-03-26: Purchase, 98,870 sh2025-03-26: Purchase, 161,943 sh2025-03-26: Purchase, 182,884 sh2025-03-26: Purchase, 172,414 sh2025-03-26: Purchase, 485,830 sh2025-03-26: Purchase, 548,653 sh2025-03-26: Purchase, 517,241 sh2025-03-26: Purchase, 182,884 sh2025-03-26: Purchase, 172,414 sh2025-03-26: Purchase, 485,830 sh2025-03-26: Purchase, 548,653 sh2025-03-26: Purchase, 517,241 sh2025-03-26: Code H, 90,897 sh2025-03-26: Purchase, 90,897 sh2025-03-26: Code H, 102,651 sh2025-03-26: Purchase, 102,651 sh2025-03-26: Code H, 98,870 sh2025-03-26: Purchase, 98,870 sh2025-03-26: Code H, 111,656 sh2025-03-26: Purchase, 111,656 sh2025-03-26: Code H, 352,225 sh2025-03-26: Code H, 397,773 sh2025-03-26: Code H, 352,225 sh2025-03-26: Code H, 397,773 sh2025-03-26: Purchase, 548,653 sh2025-03-26: Code H, 90,897 sh2025-03-26: Purchase, 90,897 sh2025-03-26: Code H, 102,651 sh2025-03-26: Purchase, 102,651 sh2025-03-26: Code H, 98,870 sh2025-03-26: Purchase, 98,870 sh2025-03-26: Code H, 111,656 sh2025-03-26: Purchase, 111,656 sh2025-03-26: Code H, 352,225 sh2025-03-26: Code H, 397,773 sh2025-03-26: Code H, 352,225 sh2025-03-26: Code H, 397,773 sh2025-03-26: Purchase, 161,943 sh2025-03-26: Purchase, 182,884 sh2025-03-26: Purchase, 172,414 sh2025-03-26: Code H, 397,773 sh2025-03-26: Purchase, 161,943 sh2025-03-26: Purchase, 485,830 sh2025-03-26: Purchase, 517,241 sh2025-03-26: Purchase, 517,241 sh2025-03-26: Code H, 90,897 sh2025-03-26: Purchase, 90,897 sh2025-03-26: Code H, 102,651 sh2025-03-26: Purchase, 102,651 sh2025-03-26: Code H, 98,870 sh2025-03-26: Purchase, 98,870 sh2025-03-26: Code H, 111,656 sh2025-03-26: Purchase, 111,656 sh2025-03-26: Code H, 352,225 sh2025-03-26: Code H, 397,773 sh2025-03-26: Code H, 352,225 sh2025-03-26: Purchase, 182,884 sh2025-03-26: Purchase, 172,414 sh2025-03-26: Purchase, 548,653 sh2025-03-26: Purchase, 485,830 sh2025-03-26: Code H, 90,897 sh2025-03-26: Purchase, 90,897 sh2025-03-26: Code H, 102,651 sh2025-03-26: Purchase, 102,651 sh2025-03-26: Code H, 98,870 sh2025-03-26: Purchase, 548,653 sh2025-03-26: Purchase, 517,241 sh2025-03-26: Code H, 352,225 sh2025-03-26: Code H, 397,773 sh2025-03-26: Purchase, 182,884 sh2025-03-26: Purchase, 172,414 sh2025-03-26: Code H, 90,897 sh2025-03-26: Purchase, 90,897 sh2025-03-26: Code H, 102,651 sh2025-03-26: Purchase, 102,651 sh2025-03-26: Code H, 98,870 sh2025-03-26: Purchase, 98,870 sh2025-03-26: Code H, 111,656 sh2025-03-26: Purchase, 111,656 sh2025-03-26: Code H, 352,225 sh2025-03-26: Code H, 397,773 sh2025-03-26: Code H, 352,225 sh2025-03-26: Code H, 397,773 sh2025-03-26: Purchase, 161,943 sh2025-03-26: Purchase, 182,884 sh2025-03-26: Purchase, 172,414 sh2025-03-26: Purchase, 485,830 sh2025-03-26: Purchase, 548,653 sh2025-03-26: Purchase, 517,241 sh2025-03-26: Purchase, 98,870 sh2025-03-26: Code H, 111,656 sh2025-03-26: Purchase, 111,656 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-02-25—Sale1,862,545 @ $0.56$1.0M−100.0% of holding0Form 4
2026-02-25—Sale1,649,281 @ $0.56$928K−100.0% of holding0Form 4
2026-02-24—Sale349,212 @ $0.62$215K−15.8% of holding1,862,545Form 4
2026-02-24—Sale309,228 @ $0.62$190K−15.8% of holding1,649,281Form 4
2026-02-23—Sale162,291 @ $0.60$97K−6.8% of holding2,211,757Form 4
2026-02-23—Sale143,709 @ $0.60$86K−6.8% of holding1,958,509Form 4
2026-02-20—Sale277,769 @ $0.61$171K−10.5% of holding2,374,048Form 4
2026-02-20—Sale245,965 @ $0.61$151K−10.5% of holding2,102,218Form 4
2026-02-11—Sale2,151,458 @ $0.68$1.5M−44.8% of holding2,651,817Form 4
2026-02-11—Sale1,905,115 @ $0.68$1.3M−44.8% of holding2,348,183Form 4
2026-02-10—Sale182,295 @ $0.82$149K−3.7% of holding4,803,275Form 4
2026-02-10—Sale161,422 @ $0.82$132K−3.7% of holding4,253,298Form 4
2026-01-20SRZNPurchase9,568 @ $19.60$188K+1.0% of holding1,016,658Form 4
2026-01-20SRZNPurchase8,484 @ $19.60$166K+1.0% of holding900,292Form 4
2026-01-16SRZNPurchase1,358 @ $20.00$27K+0.1% of holding1,007,090Form 4
2026-01-16SRZNPurchase1,204 @ $20.00$24K+0.1% of holding891,808Form 4
2026-01-15SRZNPurchase6,303 @ $19.89$125K+0.6% of holding1,005,732Form 4
2026-01-15SRZNPurchase5,590 @ $19.89$111K+0.6% of holding890,604Form 4
2026-01-14SRZNPurchase2,927 @ $19.99$59K+0.3% of holding999,429Form 4
2026-01-14SRZNPurchase2,596 @ $19.99$52K+0.3% of holding885,014Form 4
2026-01-13SRZNPurchase6,609 @ $19.80$131K+0.7% of holding996,502Form 4
2026-01-13SRZNPurchase5,861 @ $19.80$116K+0.7% of holding882,418Form 4
2026-01-06SRZNPurchase8,003 @ $19.89$159K+0.8% of holding989,893Form 4
2026-01-06SRZNPurchase7,097 @ $19.89$141K+0.8% of holding876,557Form 4
2025-12-05SRZNPurchase16,381 @ $19.54$320K+1.7% of holding981,890Form 4
2025-12-05SRZNPurchase14,503 @ $19.54$283K+1.7% of holding869,460Form 4
2025-12-04SRZNPurchase2,791 @ $17.35$48K+0.3% of holding965,509Form 4
2025-12-04SRZNPurchase2,475 @ $17.35$43K+0.3% of holding854,957Form 4
2025-11-13SRZNPurchase167,307 @ $12.65$2.1M+21.0% of holding962,718Form 4
2025-11-13SRZNPurchase148,150 @ $12.65$1.9M+21.0% of holding852,482Form 4
2025-03-26SRZNPurchase365,769 @ $11.60$4.2M+85.1% of holding795,411Form 4
2025-03-26SRZNPurchase344,827 @ $11.60$4.0Mownership Δ n/a344,827Form 4
2025-03-26SRZNPurchase323,886 @ $11.60$3.8M+85.1% of holding704,332Form 4
2025-03-26SRZNPurchase161,943—ownership Δ n/a161,943Form 4
2025-03-26SRZNPurchase182,884—ownership Δ n/a182,884Form 4
2025-03-26SRZNPurchase172,414—ownership Δ n/a172,414Form 4
2025-03-26SRZNPurchase485,830—ownership Δ n/a485,830Form 4
2025-03-26SRZNPurchase90,897—ownership Δ n/a90,897Form 4
2025-03-26SRZNPurchase102,651—ownership Δ n/a102,651Form 4
2025-03-26SRZNPurchase98,870—ownership Δ n/a98,870Form 4
2025-03-26SRZNPurchase111,656—ownership Δ n/a111,656Form 4
2025-03-26SRZNPurchase161,943—ownership Δ n/a161,943Form 4
2025-03-26SRZNPurchase485,830—ownership Δ n/a485,830Form 4
2025-03-26SRZNPurchase548,653—ownership Δ n/a548,653Form 4
2025-03-26SRZNPurchase517,241—ownership Δ n/a517,241Form 4
2025-03-26SRZNPurchase90,897—ownership Δ n/a90,897Form 4
2025-03-26SRZNPurchase102,651—ownership Δ n/a102,651Form 4
2025-03-26SRZNPurchase111,656—ownership Δ n/a111,656Form 4
2025-03-26SRZNPurchase161,943—ownership Δ n/a161,943Form 4
2025-03-26SRZNPurchase98,870—ownership Δ n/a98,870Form 4
2025-03-26SRZNPurchase161,943—ownership Δ n/a161,943Form 4
2025-03-26SRZNPurchase182,884—ownership Δ n/a182,884Form 4
2025-03-26SRZNPurchase172,414—ownership Δ n/a172,414Form 4
2025-03-26SRZNPurchase485,830—ownership Δ n/a485,830Form 4
2025-03-26SRZNPurchase548,653—ownership Δ n/a548,653Form 4
2025-03-26SRZNPurchase517,241—ownership Δ n/a517,241Form 4
2025-03-26SRZNPurchase182,884—ownership Δ n/a182,884Form 4
2025-03-26SRZNPurchase172,414—ownership Δ n/a172,414Form 4
2025-03-26SRZNPurchase485,830—ownership Δ n/a485,830Form 4
2025-03-26SRZNPurchase548,653—ownership Δ n/a548,653Form 4
2025-03-26SRZNPurchase517,241—ownership Δ n/a517,241Form 4
2025-03-26SRZNPurchase90,897—ownership Δ n/a90,897Form 4
2025-03-26SRZNPurchase102,651—ownership Δ n/a102,651Form 4
2025-03-26SRZNPurchase98,870—ownership Δ n/a98,870Form 4
2025-03-26SRZNPurchase111,656—ownership Δ n/a111,656Form 4
2025-03-26SRZNPurchase548,653—ownership Δ n/a548,653Form 4
2025-03-26SRZNPurchase90,897—ownership Δ n/a90,897Form 4
2025-03-26SRZNPurchase102,651—ownership Δ n/a102,651Form 4
2025-03-26SRZNPurchase98,870—ownership Δ n/a98,870Form 4
2025-03-26SRZNPurchase111,656—ownership Δ n/a111,656Form 4
2025-03-26SRZNPurchase161,943—ownership Δ n/a161,943Form 4
2025-03-26SRZNPurchase182,884—ownership Δ n/a182,884Form 4
2025-03-26SRZNPurchase172,414—ownership Δ n/a172,414Form 4
2025-03-26SRZNPurchase161,943—ownership Δ n/a161,943Form 4
2025-03-26SRZNPurchase485,830—ownership Δ n/a485,830Form 4
2025-03-26SRZNPurchase517,241—ownership Δ n/a517,241Form 4
2025-03-26SRZNPurchase517,241—ownership Δ n/a517,241Form 4
2025-03-26SRZNPurchase90,897—ownership Δ n/a90,897Form 4
2025-03-26SRZNPurchase102,651—ownership Δ n/a102,651Form 4
2025-03-26SRZNPurchase98,870—ownership Δ n/a98,870Form 4
56 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2025-03-26SRZNCode H352,2250Form 4
2025-03-26SRZNCode H397,7730Form 4
2025-03-26SRZNCode H352,2250Form 4
2025-03-26SRZNCode H397,7730Form 4
2025-03-26SRZNCode H90,8970Form 4
2025-03-26SRZNCode H102,6510Form 4
2025-03-26SRZNCode H98,8700Form 4
2025-03-26SRZNCode H111,6560Form 4
2025-03-26SRZNCode H397,7730Form 4
2025-03-26SRZNCode H352,2250Form 4
2025-03-26SRZNCode H102,6510Form 4
2025-03-26SRZNCode H90,8970Form 4
2025-03-26SRZNCode H111,6560Form 4
2025-03-26SRZNCode H352,2250Form 4
2025-03-26SRZNCode H397,7730Form 4
2025-03-26SRZNCode H352,2250Form 4
2025-03-26SRZNCode H397,7730Form 4
2025-03-26SRZNCode H98,8700Form 4
2025-03-26SRZNCode H90,8970Form 4
2025-03-26SRZNCode H102,6510Form 4
2025-03-26SRZNCode H98,8700Form 4
2025-03-26SRZNCode H111,6560Form 4
2025-03-26SRZNCode H352,2250Form 4
2025-03-26SRZNCode H397,7730Form 4
2025-03-26SRZNCode H352,2250Form 4
2025-03-26SRZNCode H397,7730Form 4
2025-03-26SRZNCode H90,8970Form 4
2025-03-26SRZNCode H102,6510Form 4
2025-03-26SRZNCode H98,8700Form 4
2025-03-26SRZNCode H111,6560Form 4
2025-03-26SRZNCode H352,2250Form 4
2025-03-26SRZNCode H397,7730Form 4
2025-03-26SRZNCode H352,2250Form 4
2025-03-26SRZNCode H397,7730Form 4
2025-03-26SRZNCode H397,7730Form 4
2025-03-26SRZNCode H90,8970Form 4
2025-03-26SRZNCode H102,6510Form 4
2025-03-26SRZNCode H98,8700Form 4
2025-03-26SRZNCode H111,6560Form 4
2025-03-26SRZNCode H352,2250Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.