United States · SEC Form 4 · Snapshot date: 2026-10-19 · Built: 2026-10-19 · 中文

US · SEC FORM 4

HYDROFARM HOLDINGS GROUP, INC.

HYFM · Nasdaq · CIK 0001695295 · Industrials · Farm & Heavy Construction Machinery

INSIDER SIGNAL

No active buy signal

0 qualifying P purchase groups
in the current 180-day scoring window

6 Form 4 transaction lines observed in the same window
0 sales · 6 option, withholding, award, gift or other lines

Last qualifying purchase2024-08-28 · Toler William Douglas · $50.0K

WHY NO ACTIVE SIGNAL?

Purchase activityNone

Recent buyingNone

Recent salesNone

Buy signal statusInactive

Score anatomy

No score is calculated because there is no qualifying purchase in the active window. Unavailable inputs are not treated as zero or as a bearish signal.

ClusterNot calculated

Purchase sizeNot calculated

RoleNot calculated

RecencyNot calculated

ConvictionNot calculated

Why is there no score?

No qualifying open-market purchase supplies cluster, size, role, recency or conviction inputs.
Sales and other Form 4 activity remain visible as context and do not create a negative score.

Sales and other Form 4 activity are shown separately and do not create a negative buy signal. Absence of buying is not scored as bearish.

Purchase breadth, concentration & cluster buying

These modules activate when qualifying purchases enter the 180-day research window.

Insider activity timeline

Owner lanes show the latest 180 days. Symbol shape identifies the transaction type; sales remain context only.

AprMayJunJulAugSepOct

Yetter Richard ChristopherDirector

○

Chung PatrickDirector

○

Persofsky RenahDirector

○

Denis MelisaDirector

○

Ackerman EricaCAO and Corporate Controller

○

PARKER MARK SPresident

○

● Purchase▼ Sale○ Other

—

SIGNAL HISTORY

No recorded active-signal snapshot

Scores are archived only when the company qualifies for a published US buy-signal snapshot. Last qualifying purchase: 2024-08-28 · Toler William Douglas.

Recent Form 4 activity

0Purchases

3Sales

9Other Form 4 lines

11SEC filings · 365 days

BUYING0 qualifying P line(s) · 180 days

SELLING0 sale line(s) · context only

OTHER6 exercise / withholding / award / gift / other lines

10b5-1 / PLANNEDNot assessed

P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.

Market context

Market context has not been captured for this ticker yet. The daily market-context job processes the US universe in rotating batches.

Short interest

Short interest is external context reported to FINRA by broker-dealers. It does not affect the Insider Signal.

Shares short: 437,940
Previous report: 437,896
Avg daily volume: 21,603
Days to cover: 20.3

FINRA settlement date: 2026-09-30 · Captured 2026-10-12 · FINRA equity short interest ↗. A share count, published about a week after each of two settlement dates a month; not a percentage of shares outstanding.

Historical equity purchases

Qualifying code P transactions in the local Form 4 history, including purchases outside the current signal window.

Transaction date	Reporting owner	Type	Security	Shares	Avg. price	Approx. value	Source
2024-08-28	Toler William Douglas	Purchase (P)	Common Stock, $0.0001 par value per share	100,000	USD 0.50	USD 50,000	SEC filing ↗
2023-05-16	Toler William Douglas	Purchase (P)	Common Stock, $0.0001 par value per share	15,000	USD 1.04	USD 15,600	SEC filing ↗
2023-05-15	Toler William Douglas	Purchase (P)	Common Stock, $0.0001 par value per share	35,000	USD 1.09	USD 38,150	SEC filing ↗
2022-08-12	Toler William Douglas	Purchase (P)	Common Stock, $0.0001 par value per share	25,000	USD 3.73	USD 93,142	SEC filing ↗
2022-03-09	Toler William Douglas	Purchase (P)	Common Stock, $0.0001 par value per share	4,000	USD 14.27	USD 57,080	SEC filing ↗
2022-03-08	Toler William Douglas	Purchase (P)	Common Stock, $0.0001 par value per share	5,000	USD 13.06	USD 65,300	SEC filing ↗
2022-03-04	Toler William Douglas	Purchase (P)	Common Stock, $0.0001 par value per share	16,000	USD 14.67	USD 234,720	SEC filing ↗
2020-12-14	Fitch Terence	Purchase (P)	Common Stock, $0.0001 par value per share	5,000	USD 20.00	USD 100,000	SEC filing ↗
2020-12-14	Peters Susan	Purchase (P)	Common Stock, $0.0001 par value per share	500	USD 20.00	USD 10,000	SEC filing ↗
2020-12-14	MOSS RICHARD D	Purchase (P)	Common Stock, $0.0001 par value per share	2,500	USD 20.00	USD 50,000	SEC filing ↗
2020-12-14	Denis Melisa	Purchase (P)	Common Stock, $0.0001 par value per share	1,200	USD 20.00	USD 24,000	SEC filing ↗
2020-12-10	Persofsky Renah	Purchase (P)	Common Stock	2,000	USD 44.69	USD 89,380	SEC filing ↗

Form 4 evidence

12 transaction lines in the latest 365-day window; 240 in local history.

Date	Owner	Type	Security	Shares	Avg. price	Approx. value	Source
2026-08-08	PARKER MARK S	Tax withholding (F)	Common Stock, $0.0001 par value per share	740	USD 1.60	USD 1,184	SEC filing ↗
2026-08-08	Ackerman Erica	Tax withholding (F)	Common Stock, $0.0001 par value per share	138	USD 1.60	USD 221	SEC filing ↗
2026-06-23	Yetter Richard Christopher	Award / grant (A)	Common Stock, $0.0001 par value per share	30,000	USD 0.00	USD 0	SEC filing ↗

Show recent Form 4 evidence (12 grouped rows)

Date	Owner	Type	Security	Shares	Avg. price	Approx. value	Source
2026-08-08	PARKER MARK S	Tax withholding (F)	Common Stock, $0.0001 par value per share	740	USD 1.60	USD 1,184	SEC filing ↗
2026-08-08	Ackerman Erica	Tax withholding (F)	Common Stock, $0.0001 par value per share	138	USD 1.60	USD 221	SEC filing ↗
2026-06-23	Yetter Richard Christopher	Award / grant (A)	Common Stock, $0.0001 par value per share	30,000	USD 0.00	USD 0	SEC filing ↗
2026-06-23	Persofsky Renah	Award / grant (A)	Common Stock, $0.0001 par value per share	30,000	USD 0.00	USD 0	SEC filing ↗
2026-06-23	Denis Melisa	Award / grant (A)	Common Stock, $0.0001 par value per share	30,000	USD 0.00	USD 0	SEC filing ↗
2026-06-23	Chung Patrick	Award / grant (A)	Common Stock, $0.0001 par value per share	30,000	USD 0.00	USD 0	SEC filing ↗
2026-01-06	Toler William Douglas	Tax withholding (F)	Common Stock, $0.0001 par value per share	5,189	USD 1.51	USD 7,835	SEC filing ↗
2026-01-06	PARKER MARK S	Tax withholding (F)	Common Stock, $0.0001 par value per share	1,672	USD 1.51	USD 2,525	SEC filing ↗
2026-01-06	O'Brien Kevin Patrick	Sale (S)	Common Stock, $0.0001 par value per share	1,150	USD 1.51	USD 1,736	SEC filing ↗
2026-01-06	Ackerman Erica	Tax withholding (F)	Common Stock, $0.0001 par value per share	687	USD 1.51	USD 1,037	SEC filing ↗
2025-12-05	Denis Melisa	Sale (S)	Common Stock, $0.0001 par value per share	120	USD 1.92	USD 230	SEC filing ↗
2025-12-04	Denis Melisa	Sale (S)	Common Stock, $0.0001 par value per share	2,875	USD 1.88	USD 5,405	SEC filing ↗

Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.

Snapshot & identity

Snapshot date	2026-10-19
Ranking version	US-v1.2
Data quality	PASS ELIGIBLE · —
Ticker	HYFM
CIK	0001695295
Sector	Industrials
Industry	Farm & Heavy Construction Machinery Yahoo Finance
SEC SIC	5190 Wholesale-Miscellaneous Nondurable Goods
Exchange	Nasdaq

Data coverage

Local Form 4 history	240 transaction lines from 2020-12-10 to 2026-08-08 14 P purchase lines · 6 S sale lines · 220 other lines
SEC company submissions	Open SEC filings ↗

Local ledger as of 2026-10-19. Mapping status is an audit field and does not erase SEC filing evidence.