Sayiner Necip

SEC Form 4 insider trading activity

Sayiner Necip has filed 10 SEC Form 4 filings (10 transaction rows) across 4 companies, including ACLS, RMBS, SNDK, with disclosures dating back to 2025. 10 of those filings fall inside the rolling window. Most recent filing: Jun 4, 2026.

On the most recent filing, Sayiner Necip is listed as Director at AXCELIS TECHNOLOGIES INC. Inside the rolling window, Sayiner Necip reported no open-market purchases and 6 open-market sales totaling $4.1M in ACLS and RMBS and SNDK. The largest disclosed transaction in the window is a sale of 9,824 RMBS shares on May 8, 2026, worth $1.3M.

Companies traded

Other insiders at ACLS

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$4.1M

reported sales (SEC code S)

Companies

4

in the rolling window

Source
ACLSSale$250KJun 4SEC ↗
RMBSSale$851KJun 3SEC ↗
SNDKSale$870KMay 12SEC ↗
RMBSSale$1.3MMay 11SEC ↗
SNDKSale$248KDec 4SEC ↗
RMBSSale$642KSep 12SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Sayiner Necip made?

Sayiner Necip has filed 10 SEC Form 4 filings (10 transaction rows) across 4 companies, including ACLS, RMBS, SNDK since 2025.

Which companies does Sayiner Necip trade?

Sayiner Necip has filed SEC Form 4 disclosures for 4 companies, including ACLS, RMBS, SNDK.

When was Sayiner Necip's most recent SEC Form 4 filing?

Sayiner Necip's most recent SEC Form 4 filing on Tracefour is dated Jun 4, 2026.

What is Sayiner Necip's total buy and sell value in the current window?

Inside the rolling retention window, Sayiner Necip bought $0 and sold $4.1M based on SEC Form 4 filings.

What was Sayiner Necip's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 9,824 RMBS shares on 2026-05-08, worth $1.3M, per SEC Form 4 filings.