Colgrove John

Director · Officer · P, PSTG

As of 2026-09-16, Colgrove John has 169 Form 4 transactions on record across 2 companies — 136 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 September in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct $1.1B
Indirect $248.1M

P	direct	6,009,265 sh	$586.6M
PSTG	direct	6,725,221 sh	$501.8M
P	indirect	2,465,000 sh	$240.6M
PSTG	indirect	100,000 sh	$7.5M

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

P · 119 trades

PSTG · 50 trades

Filing ledger

Date	Company	Action	Shares @ price	Value	Ownership Δ	Owned after	Filing
2026-09-10	P	Sale	32,428 @ $94.50	$3.1M	−1.3% of holding	2,482,572	Form 4
2026-09-10	P	Sale	32,413 @ $94.50	$3.1M	−1.3% of holding	2,482,587	Form 4
2026-09-10	P	Sale	14,176 @ $95.62	$1.4M	−0.6% of holding	2,468,411	Form 4
2026-09-10	P	Sale	14,148 @ $95.63	$1.4M	−0.6% of holding	2,468,424	Form 4
2026-09-10	P	Sale	3,424 @ $96.37	$330K	−0.1% of holding	2,465,000	Form 4
2026-09-10	P	Sale	3,411 @ $96.37	$329K	−0.1% of holding	2,465,000	Form 4
2026-08-14	P	Sale	34,178 @ $117.83	$4.0M	−82.4% of holding	7,313	Form 4
2026-08-14	P	Sale	18,924 @ $116.74	$2.2M	−31.3% of holding	41,491	Form 4
2026-08-14	P	Sale	7,313 @ $118.40	$866K	−100.0% of holding	0	Form 4
2026-08-14	P	Sale	4,400 @ $115.86	$510K	−6.8% of holding	60,415	Form 4
2026-08-13	P	Sale	45,906 @ $117.13	$5.4M	−53.6% of holding	39,668	Form 4
2026-08-13	P	Sale	39,668 @ $117.87	$4.7M	−100.0% of holding	0	Form 4
2026-08-13	P	Sale	9,454 @ $116.27	$1.1M	−9.9% of holding	85,574	Form 4
2026-08-13	P	Sale	2,872 @ $115.16	$331K	−2.9% of holding	95,028	Form 4
2026-08-13	P	Sale	1,200 @ $113.88	$137K	−1.2% of holding	97,900	Form 4
2026-08-13	P	Sale	900 @ $112.56	$101K	−0.9% of holding	99,100	Form 4
2026-08-12	P	Sale	38,333 @ $111.24	$4.3M	−44.3% of holding	48,225	Form 4
2026-08-12	P	Sale	36,984 @ $111.77	$4.1M	−76.7% of holding	11,241	Form 4
2026-08-12	P	Sale	10,293 @ $113.65	$1.2M	−100.0% of holding	0	Form 4
2026-08-12	P	Sale	6,922 @ $108.92	$754K	−6.9% of holding	93,078	Form 4
2026-08-12	P	Sale	6,520 @ $110.19	$718K	−7.0% of holding	86,558	Form 4
2026-08-12	P	Sale	948 @ $112.72	$107K	−8.4% of holding	10,293	Form 4
2026-08-11	P	Sale	22,388 @ $104.20	$2.3M	−40.5% of holding	32,909	Form 4
2026-08-11	P	Sale	21,146 @ $103.18	$2.2M	−27.7% of holding	55,297	Form 4
2026-08-11	P	Sale	11,013 @ $102.12	$1.1M	−12.6% of holding	76,443	Form 4
2026-08-11	P	Sale	9,459 @ $106.14	$1.0M	−31.7% of holding	20,350	Form 4
2026-08-11	P	Sale	9,129 @ $109.21	$997K	−100.0% of holding	0	Form 4
2026-08-11	P	Sale	8,728 @ $100.32	$876K	−8.7% of holding	91,272	Form 4
2026-08-11	P	Sale	5,597 @ $108.27	$606K	−38.0% of holding	9,129	Form 4
2026-08-11	P	Sale	5,624 @ $107.47	$604K	−27.6% of holding	14,726	Form 4
2026-08-11	P	Sale	3,816 @ $101.33	$387K	−4.2% of holding	87,456	Form 4
2026-08-11	P	Sale	3,100 @ $105.16	$326K	−9.4% of holding	29,809	Form 4
2026-08-10	P	Sale	53,685 @ $95.42	$5.1M	−78.4% of holding	14,770	Form 4
2026-08-10	P	Sale	31,545 @ $94.10	$3.0M	−31.5% of holding	68,455	Form 4
2026-08-10	P	Sale	20,654 @ $98.60	$2.0M	−0.8% of holding	2,531,795	Form 4
2026-08-10	P	Sale	20,648 @ $98.60	$2.0M	−0.8% of holding	2,531,803	Form 4
2026-08-10	P	Sale	13,603 @ $99.35	$1.4M	−0.5% of holding	2,518,200	Form 4
2026-08-10	P	Sale	13,595 @ $99.35	$1.4M	−0.5% of holding	2,518,200	Form 4
2026-08-10	P	Sale	11,251 @ $97.93	$1.1M	−0.4% of holding	2,552,449	Form 4
2026-08-10	P	Sale	11,249 @ $97.93	$1.1M	−0.4% of holding	2,552,451	Form 4
2026-08-10	P	Sale	8,500 @ $97.35	$827K	−82.8% of holding	1,768	Form 4
2026-08-10	P	Sale	4,502 @ $96.35	$434K	−30.5% of holding	10,268	Form 4
2026-08-10	P	Sale	2,100 @ $100.48	$211K	−0.1% of holding	2,516,100	Form 4
2026-08-10	P	Sale	1,768 @ $98.15	$174K	−100.0% of holding	0	Form 4
2026-08-10	P	Sale	1,100 @ $101.59	$112K	−0.0% of holding	2,515,000	Form 4
2026-08-10	P	Sale	750 @ $94.16	$71K	−0.0% of holding	2,564,250	Form 4
2026-08-10	P	Sale	350 @ $96.28	$34K	−0.0% of holding	2,563,700	Form 4
2026-08-10	P	Sale	200 @ $95.45	$19K	−0.0% of holding	2,564,050	Form 4
2026-08-07	P	Sale	35,185 @ $90.01	$3.2M	−100.0% of holding	0	Form 4
2026-08-04	P	Sale	82,498 @ $85.63	$7.1M	−92.0% of holding	7,222	Form 4
2026-08-04	P	Sale	7,222 @ $86.05	$621K	−100.0% of holding	0	Form 4
2026-07-10	P	Sale	36,394 @ $79.46	$2.9M	−1.4% of holding	2,578,606	Form 4
2026-07-10	P	Sale	36,385 @ $79.46	$2.9M	−1.4% of holding	2,578,615	Form 4
2026-07-10	P	Sale	8,726 @ $80.27	$700K	−0.3% of holding	2,569,889	Form 4
2026-07-10	P	Sale	8,700 @ $80.26	$698K	−0.3% of holding	2,569,906	Form 4
2026-07-10	P	Sale	2,953 @ $81.47	$241K	−0.1% of holding	2,566,953	Form 4
2026-07-10	P	Sale	2,942 @ $81.47	$240K	−0.1% of holding	2,566,947	Form 4
2026-07-10	P	Sale	1,953 @ $82.14	$160K	−0.1% of holding	2,565,000	Form 4
2026-07-10	P	Sale	1,947 @ $82.14	$160K	−0.1% of holding	2,565,000	Form 4
2026-06-12	P	Sale	32,833 @ $71.54	$2.3M	−1.2% of holding	2,615,000	Form 4
2026-06-12	P	Sale	32,768 @ $71.54	$2.3M	−1.2% of holding	2,615,000	Form 4
2026-06-12	P	Sale	17,167 @ $70.08	$1.2M	−0.6% of holding	2,647,833	Form 4
2026-06-12	P	Sale	17,132 @ $70.08	$1.2M	−0.6% of holding	2,647,768	Form 4
2026-06-10	P	Sale	100 @ $70.00	$7K	−0.0% of holding	2,664,900	Form 4
2026-06-02	P	Sale	10,280 @ $85.32	$877K	−100.0% of holding	0	Form 4
2026-05-11	P	Sale	57,414 @ $84.34	$4.8M	−93.5% of holding	4,000	Form 4
2026-05-11	P	Sale	38,586 @ $83.48	$3.2M	−38.6% of holding	61,414	Form 4
2026-05-11	P	Sale	22,322 @ $87.19	$1.9M	−0.8% of holding	2,683,293	Form 4
2026-05-11	P	Sale	22,321 @ $87.19	$1.9M	−0.8% of holding	2,683,293	Form 4
2026-05-11	P	Sale	8,108 @ $88.29	$716K	−0.3% of holding	2,675,185	Form 4
2026-05-11	P	Sale	7,686 @ $86.46	$665K	−0.3% of holding	2,705,614	Form 4
2026-05-11	P	Sale	7,685 @ $86.46	$664K	−0.3% of holding	2,705,615	Form 4
2026-05-11	P	Sale	4,339 @ $89.12	$387K	−0.2% of holding	2,670,846	Form 4
2026-05-11	P	Sale	4,000 @ $85.06	$340K	−100.0% of holding	0	Form 4
2026-05-11	P	Sale	2,053 @ $91.34	$188K	−0.1% of holding	2,667,192	Form 4
2026-05-11	P	Sale	2,053 @ $91.34	$188K	−0.1% of holding	2,667,191	Form 4
2026-05-11	P	Sale	1,602 @ $90.11	$144K	−0.1% of holding	2,669,244	Form 4
2026-05-11	P	Sale	1,601 @ $90.11	$144K	−0.1% of holding	2,669,245	Form 4
2026-05-11	P	Sale	1,427 @ $92.19	$132K	−0.1% of holding	2,665,765	Form 4
2026-05-11	P	Sale	1,426 @ $92.19	$131K	−0.1% of holding	2,665,765	Form 4

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

Date	Company	Action	Shares	Owned after	Filing
2026-08-14	P	Gift	64,815	64,815	Form 4
2026-08-14	P	Gift	64,815	6,009,265	Form 4
2026-08-13	P	Gift	100,000	100,000	Form 4
2026-08-13	P	Gift	100,000	6,074,080	Form 4
2026-08-12	P	Gift	100,000	100,000	Form 4
2026-08-12	P	Gift	100,000	6,174,080	Form 4
2026-08-11	P	Gift	100,000	100,000	Form 4
2026-08-11	P	Gift	100,000	6,274,080	Form 4
2026-08-10	P	Gift	100,000	6,374,080	Form 4
2026-08-10	P	Gift	100,000	100,000	Form 4
2026-08-07	P	Gift	35,185	35,185	Form 4
2026-08-07	P	Gift	35,185	6,474,080	Form 4
2026-08-04	P	Gift	89,720	6,509,265	Form 4
2026-08-04	P	Gift	89,720	89,720	Form 4
2026-06-20	P	Withheld for tax	15,956	6,598,985	Form 4
2026-06-02	P	Gift	10,280	10,280	Form 4
2026-06-02	P	Gift	10,280	6,614,941	Form 4
2026-05-14	P	Award / grant	78,700	78,700	Form 4
2026-05-11	P	Gift	100,000	6,625,221	Form 4
2026-05-11	P	Gift	100,000	100,000	Form 4
2026-03-20	PSTG	Withheld for tax	58,552	6,725,221	Form 4
2026-03-10	PSTG	Award / grant	320,277	6,783,773	Form 4
2026-01-07	PSTG	Gift	100,000	601,959	Form 4
2026-01-07	PSTG	Gift	100,000	100,000	Form 4
2025-12-20	PSTG	Withheld for tax	7,326	6,463,496	Form 4
2025-09-20	PSTG	Withheld for tax	7,326	6,470,822	Form 4
2025-06-20	PSTG	Withheld for tax	7,326	6,478,148	Form 4
2025-05-30	PSTG	Withheld for tax	71,235	6,485,474	Form 4
2025-05-30	PSTG	Option exercise	125,000	6,473,376	Form 4
2025-05-30	PSTG	Option exercise	83,333	6,556,709	Form 4
2025-05-30	PSTG	Option exercise	83,333	0	Form 4
2025-05-30	PSTG	Option exercise	125,000	0	Form 4
2025-03-20	PSTG	Withheld for tax	18,902	6,348,376	Form 4
2025-03-15	PSTG	Award / grant	62,043	6,367,278	Form 4
2025-01-09	PSTG	Gift	200,000	6,305,235	Form 4
2025-01-09	PSTG	Gift	800,000	800,000	Form 4
2025-01-09	PSTG	Gift	800,000	6,505,235	Form 4
2025-01-09	PSTG	Gift	200,000	901,959	Form 4
2024-12-20	PSTG	Withheld for tax	11,487	7,305,235	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.