Feierstein Matthew David

Officer · EVCM

As of 2026-09-16, Feierstein Matthew David has 90 Form 4 transactions on record across 1 company — 57 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.

Pattern in the record: open-market sales filed in August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct $15.7M
Indirect $0

EVCM

direct

1,971,214 sh

$15.7M

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

EVCM · 90 trades

Filing ledger

Date	Company	Action	Shares @ price	Value	Ownership Δ	Owned after	Filing
2026-08-06	EVCM	Sale	5,000 @ $10.20	$51K	−0.2% of holding	1,996,679	Form 4
2026-08-05	EVCM	Sale	10,000 @ $11.83	$118K	−0.5% of holding	2,001,679	Form 4
2026-08-04	EVCM	Sale	10,000 @ $11.86	$119K	−0.5% of holding	2,011,679	Form 4
2026-08-03	EVCM	Sale	10,000 @ $12.13	$121K	−0.5% of holding	2,021,679	Form 4
2026-07-09	EVCM	Sale	1,971 @ $10.03	$20K	−0.1% of holding	2,031,679	Form 4
2026-07-08	EVCM	Sale	1,798 @ $10.00	$18K	−0.1% of holding	2,033,650	Form 4
2026-07-07	EVCM	Sale	10,000 @ $10.10	$101K	−0.5% of holding	2,035,448	Form 4
2026-07-06	EVCM	Sale	10,000 @ $10.03	$100K	−0.5% of holding	2,045,448	Form 4
2026-07-02	EVCM	Sale	10,000 @ $10.43	$104K	−0.5% of holding	2,055,448	Form 4
2026-07-01	EVCM	Sale	10,000 @ $10.34	$103K	−0.5% of holding	2,065,448	Form 4
2026-06-30	EVCM	Sale	5,179 @ $10.02	$52K	−0.2% of holding	2,075,448	Form 4
2026-06-03	EVCM	Sale	1,052 @ $10.05	$11K	−0.1% of holding	2,095,202	Form 4
2026-06-02	EVCM	Sale	10,000 @ $10.53	$105K	−0.5% of holding	2,096,254	Form 4
2026-06-01	EVCM	Sale	10,000 @ $11.26	$113K	−0.5% of holding	2,106,254	Form 4
2026-05-06	EVCM	Sale	5,000 @ $10.83	$54K	−0.2% of holding	2,120,606	Form 4
2026-05-05	EVCM	Sale	10,000 @ $11.28	$113K	−0.5% of holding	2,125,606	Form 4
2026-05-04	EVCM	Sale	10,000 @ $11.87	$119K	−0.5% of holding	2,135,606	Form 4
2026-05-01	EVCM	Sale	10,000 @ $11.94	$119K	−0.5% of holding	2,145,606	Form 4
2026-04-07	EVCM	Sale	5,000 @ $11.40	$57K	−0.2% of holding	2,155,606	Form 4
2026-04-06	EVCM	Sale	10,000 @ $11.90	$119K	−0.5% of holding	2,160,606	Form 4
2026-04-02	EVCM	Sale	10,000 @ $11.51	$115K	−0.5% of holding	2,170,606	Form 4
2026-04-01	EVCM	Sale	10,000 @ $11.43	$114K	−0.5% of holding	2,180,606	Form 4
2026-03-05	EVCM	Sale	5,000 @ $12.17	$61K	−0.3% of holding	1,984,941	Form 4
2026-03-04	EVCM	Sale	10,000 @ $12.03	$120K	−0.5% of holding	1,989,941	Form 4
2026-03-03	EVCM	Sale	10,000 @ $11.38	$114K	−0.5% of holding	2,004,214	Form 4
2026-03-02	EVCM	Sale	10,000 @ $11.34	$113K	−0.5% of holding	2,014,214	Form 4
2026-02-05	EVCM	Sale	5,000 @ $10.83	$54K	−0.2% of holding	2,030,919	Form 4
2026-02-04	EVCM	Sale	10,000 @ $10.80	$108K	−0.5% of holding	2,035,919	Form 4
2026-02-03	EVCM	Sale	9,280 @ $10.94	$102K	−0.5% of holding	2,046,639	Form 4
2026-02-03	EVCM	Sale	720 @ $11.65	$8K	−0.0% of holding	2,045,919	Form 4
2026-02-02	EVCM	Sale	10,000 @ $12.06	$121K	−0.5% of holding	2,055,919	Form 4
2026-01-07	EVCM	Sale	5,000 @ $12.10	$61K	−0.2% of holding	2,065,919	Form 4
2026-01-06	EVCM	Sale	10,000 @ $11.62	$116K	−0.5% of holding	2,070,919	Form 4
2026-01-05	EVCM	Sale	10,000 @ $11.66	$117K	−0.5% of holding	2,080,919	Form 4
2026-01-02	EVCM	Sale	10,000 @ $11.37	$114K	−0.5% of holding	2,090,919	Form 4
2025-12-10	EVCM	Sale	10,921 @ $10.03	$109K	−0.5% of holding	2,100,919	Form 4
2025-12-09	EVCM	Sale	9,779 @ $10.01	$98K	−0.5% of holding	2,111,840	Form 4
2025-12-08	EVCM	Sale	4,300 @ $10.04	$43K	−0.2% of holding	2,121,619	Form 4
2025-11-03	EVCM	Sale	25,000 @ $11.38	$284K	−1.2% of holding	2,148,295	Form 4
2025-10-01	EVCM	Sale	25,000 @ $10.93	$273K	−1.1% of holding	2,173,295	Form 4
2025-09-02	EVCM	Sale	25,000 @ $11.24	$281K	−1.1% of holding	2,211,383	Form 4
2025-08-01	EVCM	Sale	25,000 @ $10.18	$254K	−1.1% of holding	2,245,672	Form 4
2025-07-01	EVCM	Sale	25,000 @ $10.53	$263K	−1.1% of holding	2,270,672	Form 4
2025-06-03	EVCM	Sale	24,571 @ $10.02	$246K	−1.1% of holding	2,304,166	Form 4
2025-06-02	EVCM	Sale	429 @ $10.00	$4K	−0.0% of holding	2,334,393	Form 4
2025-05-05	EVCM	Sale	24,300 @ $10.02	$244K	−1.0% of holding	2,341,006	Form 4
2025-05-02	EVCM	Sale	700 @ $10.00	$7K	−0.0% of holding	2,365,306	Form 4
2025-04-02	EVCM	Sale	3,376 @ $10.10	$34K	−0.1% of holding	2,366,006	Form 4
2025-04-01	EVCM	Sale	21,624 @ $10.13	$219K	−0.9% of holding	2,370,628	Form 4
2025-03-19	EVCM	Sale	15,837 @ $10.02	$159K	−0.7% of holding	2,392,252	Form 4
2025-03-17	EVCM	Sale	8,963 @ $10.02	$90K	−0.4% of holding	2,408,089	Form 4
2025-03-03	EVCM	Sale	200 @ $10.01	$2K	−0.0% of holding	2,176,816	Form 4
2025-02-05	EVCM	Sale	5,513 @ $10.07	$56K	−0.3% of holding	2,187,695	Form 4
2025-02-04	EVCM	Sale	16,599 @ $10.06	$167K	−0.8% of holding	2,193,208	Form 4
2025-02-03	EVCM	Sale	2,888 @ $10.01	$29K	−0.1% of holding	2,209,807	Form 4
2025-01-03	EVCM	Sale	4,599 @ $10.88	$50K	−0.2% of holding	2,212,695	Form 4
2025-01-02	EVCM	Sale	20,401 @ $10.81	$221K	−0.9% of holding	2,217,294	Form 4
2024-12-09	EVCM	Sale	7,455 @ $12.06	$90K	−0.3% of holding	2,239,169	Form 4
2024-12-06	EVCM	Sale	17,545 @ $11.92	$209K	−0.8% of holding	2,246,624	Form 4

31 award / exercise / gift records — not counted as purchases

Date	Company	Action	Shares	Owned after	Filing
2026-09-05	EVCM	Withheld for tax	6,604	1,976,987	Form 4
2026-09-05	EVCM	Withheld for tax	5,773	1,971,214	Form 4
2026-09-03	EVCM	Withheld for tax	6,484	1,983,591	Form 4
2026-08-22	EVCM	Withheld for tax	6,604	1,990,075	Form 4
2026-06-05	EVCM	Withheld for tax	5,773	2,080,627	Form 4
2026-06-05	EVCM	Withheld for tax	4,529	2,086,400	Form 4
2026-06-03	EVCM	Withheld for tax	4,273	2,090,929	Form 4
2026-05-22	EVCM	Withheld for tax	4,352	2,116,254	Form 4
2026-03-05	EVCM	Withheld for tax	4,352	1,980,589	Form 4
2026-03-05	EVCM	Award / grant	210,017	2,190,606	Form 4
2026-03-03	EVCM	Withheld for tax	4,273	1,999,941	Form 4
2026-03-01	EVCM	Withheld for tax	1,769	2,024,214	Form 4
2026-02-22	EVCM	Withheld for tax	4,936	2,025,983	Form 4
2025-12-05	EVCM	Withheld for tax	6,604	2,125,919	Form 4
2025-12-03	EVCM	Withheld for tax	6,484	2,132,523	Form 4
2025-12-01	EVCM	Withheld for tax	2,684	2,139,007	Form 4
2025-11-22	EVCM	Withheld for tax	6,604	2,141,691	Form 4
2025-09-05	EVCM	Withheld for tax	6,604	2,198,295	Form 4
2025-09-01	EVCM	Withheld for tax	2,685	2,236,383	Form 4
2025-07-01	EVCM	Withheld for tax	1,890	2,295,672	Form 4
2025-06-05	EVCM	Withheld for tax	6,604	2,297,562	Form 4
2025-06-03	EVCM	Withheld for tax	5,656	2,328,737	Form 4
2025-06-01	EVCM	Withheld for tax	1,832	2,334,822	Form 4
2025-05-22	EVCM	Withheld for tax	4,352	2,336,654	Form 4
2025-04-01	EVCM	Withheld for tax	1,246	2,369,382	Form 4
2025-03-05	EVCM	Award / grant	240,236	2,417,052	Form 4
2025-03-03	EVCM	Withheld for tax	4,273	2,177,016	Form 4
2025-03-01	EVCM	Withheld for tax	1,769	2,181,289	Form 4
2025-02-22	EVCM	Withheld for tax	4,637	2,183,058	Form 4
2025-01-01	EVCM	Withheld for tax	1,474	2,237,695	Form 4
2024-12-03	EVCM	Withheld for tax	6,484	2,264,169	Form 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.