Form4insider filings, from the source

Company · CIK 0001842295 · SIC 2836 — Biological Products, (No Diagnostic Substances) · Nasdaq

Maze Therapeutics, Inc. · MAZE

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $7.5M · 17net −$7.5M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesMay 31Jun 16Jul 2Jul 18Aug 3Aug 19Sep 5

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2026 SForm 4 →Sep 8, 4:20 pm EDTHarold BernsteinPresident, R&D & CMO9,705$26.22$254,5020−100%10b5-1
Sep 2, 2026 SForm 4 →Sep 4, 4:27 pm EDTPhillips CourtneyGC and Corp. Secretary3,993$26.24$104,7667,007−36.3%
Sep 2, 2026 SForm 4 →Sep 4, 4:25 pm EDTAtul DandekarCSBO6,434$26.24$168,81132,316−16.6%
Sep 2, 2026 SForm 4 →Sep 4, 4:24 pm EDTJason V ColomaChief Executive Officer, Director22,638$26.24$593,95527,362−45.3%
Sep 2, 2026 SForm 4 →Sep 4, 4:22 pm EDTHarold BernsteinPresident, R&D & CMO10,295$26.24$270,1119,705−51.5%
Sep 1, 2026 MForm 4 →Sep 3, 4:31 pm EDTPhillips CourtneyGC and Corp. Secretary11,000——11,000—
Sep 1, 2026 MForm 4 →Sep 3, 4:29 pm EDTAtul DandekarCSBO12,500——38,750—
Sep 1, 2026 MForm 4 →Sep 3, 4:27 pm EDTJason V ColomaChief Executive Officer, Director50,000——50,000—10b5-1
Sep 1, 2026 SForm 4 →Sep 3, 4:27 pm EDTJason V ColomaChief Executive Officer, Director34,501$26.29$906,999223,355−13.4%10b5-1
Sep 1, 2026 SForm 4 →Sep 3, 4:24 pm EDTHarold BernsteinPresident, R&D & CMO16,141$26.36$425,5120−100%10b5-1
Sep 1, 2026 MForm 4 →Sep 3, 4:24 pm EDTHarold BernsteinPresident, R&D & CMO36,141$10.42$168,18920,000—10b5-1
Aug 28, 2026 SForm 4 →Aug 31, 6:32 pm EDTAtul DandekarCSBO7,500$27.58$206,82426,250−22.2%10b5-1
Aug 28, 2026 MForm 4 →Aug 31, 6:32 pm EDTAtul DandekarCSBO7,500$10.42$78,15033,750—10b5-1
Aug 13, 2026 SForm 4 →Aug 14, 4:54 pm EDTHarold BernsteinPresident, R&D & CMO16,142$27.61$445,6210−100%10b5-1
Aug 13, 2026 MForm 4 →Aug 14, 4:54 pm EDTHarold BernsteinPresident, R&D & CMO16,142$10.42$168,20016,142—10b5-1
Aug 3, 2026 SForm 4 →Aug 5, 4:08 pm EDTJason V ColomaChief Executive Officer, Director34,501$26.73$922,315255,263−11.9%10b5-1
Jul 29, 2026 SForm 4 →Jul 31, 4:15 pm EDTAtul DandekarCSBO7,500$27.34$205,03126,250−22.2%10b5-1
Jul 29, 2026 MForm 4 →Jul 31, 4:15 pm EDTAtul DandekarCSBO7,500$10.42$78,15033,750—10b5-1
Jul 1, 2026 SForm 4 →Jul 2, 4:29 pm EDTHarold BernsteinPresident, R&D & CMO14,609$29.90$436,8640−100%10b5-1
Jul 1, 2026 MForm 4 →Jul 2, 4:29 pm EDTHarold BernsteinPresident, R&D & CMO14,609$10.42$152,22614,609—10b5-1
Jul 1, 2026 SForm 4 →Jul 2, 4:28 pm EDTJason V ColomaChief Executive Officer, Director34,501$29.98$1,034,253287,171−10.7%10b5-1
Jun 29, 2026 SForm 4 →Jul 1, 4:17 pm EDTAtul DandekarCSBO7,500$28.02$210,15026,250−22.2%10b5-1
Jun 29, 2026 MForm 4 →Jul 1, 4:17 pm EDTAtul DandekarCSBO7,500$10.42$78,15033,750—10b5-1
Jun 22, 2026 SForm 4 →Jun 24, 4:14 pm EDTJason V ColomaChief Executive Officer, Director27,858$26.04$725,495319,079−8.03%10b5-1
Jun 1, 2026 SForm 4 →Jun 3, 5:04 pm EDTJason V ColomaChief Executive Officer, Director6,643$26.20$174,04827,970−19.2%10b5-1
Jun 1, 2026 SForm 4 →Jun 3, 5:01 pm EDTHarold BernsteinPresident, R&D & CMO14,853$25.66$381,1120−100%10b5-1
Jun 1, 2026 MForm 4 →Jun 3, 5:01 pm EDTHarold BernsteinPresident, R&D & CMO14,853$10.42$154,76814,853—10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 MForm 4 →Sep 3, 4:31 pm EDTPhillips CourtneyGC and Corp. Secretary11,000——11,000—
Sep 1, 2026 MForm 4 →Sep 3, 4:29 pm EDTAtul DandekarCSBO12,500——12,500—
Sep 1, 2026 MForm 4 →Sep 3, 4:27 pm EDTJason V ColomaChief Executive Officer, Director50,000——50,000—10b5-1
Sep 1, 2026 MForm 4 →Sep 3, 4:24 pm EDTHarold BernsteinPresident, R&D & CMO36,141——20,000—10b5-1
Aug 28, 2026 MForm 4 →Aug 31, 6:32 pm EDTAtul DandekarCSBO7,500——14,143—10b5-1
Aug 13, 2026 AForm 4 →Aug 17, 4:52 pm EDTSophie KornowskiDirector36,000——36,000—
Aug 13, 2026 AForm 4 →Aug 17, 4:51 pm EDTPaula A JohnsonDirector36,000——36,000—
Aug 13, 2026 MForm 4 →Aug 14, 4:54 pm EDTHarold BernsteinPresident, R&D & CMO16,142——176,803—10b5-1
Jul 29, 2026 MForm 4 →Jul 31, 4:15 pm EDTAtul DandekarCSBO7,500——21,643—10b5-1
Jul 1, 2026 MForm 4 →Jul 2, 4:29 pm EDTHarold BernsteinPresident, R&D & CMO14,609——192,945—10b5-1
Jun 29, 2026 MForm 4 →Jul 1, 4:17 pm EDTAtul DandekarCSBO7,500——29,143—10b5-1
Jun 8, 2026 AForm 4 →Jun 10, 4:31 pm EDTDaniel K SpiegelmanDirector18,000——18,000—
Jun 8, 2026 AForm 4 →Jun 10, 4:30 pm EDTRichard H SchellerDirector18,000——18,000—
Jun 8, 2026 AForm 4 →Jun 10, 4:28 pm EDTJonathan E LimDirector18,000——18,000—
Jun 8, 2026 AForm 4 →Jun 10, 4:26 pm EDTHerve HoppenotDirector18,000——18,000—
Jun 8, 2026 AForm 4 →Jun 10, 4:25 pm EDTCharles J HomcyDirector18,000——18,000—
Jun 8, 2026 AForm 4 →Jun 10, 4:23 pm EDTNancy C AndrewsDirector18,000——18,000—
Jun 1, 2026 MForm 4 →Jun 3, 5:01 pm EDTHarold BernsteinPresident, R&D & CMO14,853——207,554—10b5-1