Bridger Aerospace Group Holdings (BAER) sees 1.9M-share sale by Blackstone affiliates

Rhea-AI Filing Summary

Bridger Aerospace Group Holdings, Inc. (BAER) reported that investment entities affiliated with Blackstone, as ten percent owners, indirectly sold a total of 1,900,000 shares of common stock on 2026-08-04 at $1.70 per share, through three affiliated holders, while disclaiming beneficial ownership beyond their pecuniary interests.

Insider Trade Summary

Net Seller: 1,900,000 shares

Net Sell 3 txns

Insider Blackstone Holdings I L.P., Blackstone Holdings I/II GP L.L.C., BTO Grannus Holdings IV - NQ LLC, Grannus Holdings Manager - NQ LLC, Blackstone Tactical Opportunities Advisors L.L.C., Blackstone Intermediary Holdco L.L.C., BLACKSTONE SECURITIES PARTNERS L.P., Blackstone Advisory Services L.L.C.

Role 10% Owner | 10% Owner | 10% Owner | 10% Owner | 10% Owner | 10% Owner | 10% Owner | 10% Owner

Sold 1,900,000 shs ($3.23M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F4, F5, F6	1,853,665	$1.70	$3.15M
Sale	Common Stock F2, F4, F5, F6	32,019	$1.70	$54K
Sale	Common Stock F3, F4, F5, F6	14,316	$1.70	$24K

Holdings After Transaction: Common Stock — 58,205 shares (Indirect, See Footnotes)

Footnotes (6)

1. F1. Reflects securities of Bridger Aerospace Group Holdings, Inc. (the "Issuer") directly held by BTO Grannus Holdings IV - NQ LLC ("BTO Grannus IV"). BTO Grannus IV is managed by Grannus Holdings Manager - NQ LLC. Blackstone Tactical Opportunities Advisors L.L.C. is the investment manager to BTO Grannus IV. The managing member of Blackstone Tactical Opportunities Advisors L.L.C. is Blackstone Intermediary Holdco L.L.C. The sole member of Blackstone Intermediary Holdco L.L.C. is Blackstone Securities Partners L.P. The general partner of Blackstone Securities Partners L.P. is Blackstone Advisory Services L.L.C. The sole member of Blackstone Advisory Services L.L.C. is Blackstone Holdings I L.P.
2. F2. Reflects securities of the Issuer directly held by Blackstone Tactical Opportunities Fund - FD L.P. ("BTOF FD"). The general partner with management authority over BTOF FD with respect to the Common Stock held thereby is Blackstone Tactical Opportunities Associates III - NQ L.P. The general partner of Blackstone Tactical Opportunities Associates III - NQ L.P. is BTO DE GP - NQ L.L.C. The managing member of BTO DE GP - NQ L.L.C. is Blackstone Holdings II L.P.
3. F3. Reflects securities of the Issuer directly held by Blackstone Family Tactical Opportunities Investment Partnership III - NQ - ESC L.P. ("BFTOIP III"). The general partner of BFTOIP III is BTO - NQ Side-by-Side GP L.L.C. The sole member of BTO-NQ Side-by-Side GP L.L.C. is Blackstone Holdings II L.P.
4. F4. The general partner of Blackstone Holdings I L.P. and Blackstone Holdings II L.P. is Blackstone Holdings I/II GP L.L.C. The sole member of Blackstone Holdings I/II GP L.L.C. is Blackstone Inc. The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman.
5. F5. Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.
6. F6. Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

Key Figures

Total shares sold: 1,900,000 shares Sale price: $1.70 per share Shares sold by BTO Grannus Holdings IV - NQ LLC: 1,853,665 shares +3 more

6 metrics

Total shares sold 1,900,000 shares Aggregate common stock sales by Blackstone-affiliated entities on 2026-08-04

Sale price $1.70 per share Price reported for all common stock sales on 2026-08-04

Shares sold by BTO Grannus Holdings IV - NQ LLC 1,853,665 shares Indirect sale of Bridger Aerospace common stock attributed to BTO Grannus IV

Shares sold by Blackstone Tactical Opportunities Fund - FD L.P. 32,019 shares Indirect sale of Bridger Aerospace common stock attributed to BTOF FD

Shares sold by BFTOIP III 14,316 shares Indirect sale of Bridger Aerospace common stock attributed to BFTOIP III

Net buy/sell direction 1,900,000 net shares sold Transaction summary shows net-sell activity with no purchases reported

Key Terms

ten percent owner, indirect ownership, beneficial ownership, pecuniary interest, +1 more

5 terms

ten percent owner regulatory

"Reporting persons are identified as a ten percent owner of the issuer"

indirect ownership financial

"Common Stock was reported with ownership type coded as indirect (I)"

beneficial ownership regulatory

"Each reporting person disclaims beneficial ownership except for pecuniary interest"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

pecuniary interest financial

"Disclaims beneficial ownership except to the extent of such person’s pecuniary interest"

Rule 16a-1(a)(4) regulatory

"The disclaimer of beneficial ownership is made pursuant to Rule 16a-1(a)(4)"

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/06/2026 - 04:30 PM Accepted by SEC EDGAR 08/06/2026 - 04:30 PM Learn about SEC filing dates

FAQ

What insider activity did BAER report involving Blackstone affiliates?

Bridger Aerospace Group Holdings (BAER) reported that entities affiliated with Blackstone, identified as ten percent owners, indirectly sold a combined 1,900,000 shares of common stock on 2026-08-04. The transactions were reported at a price of $1.70 per share.

How many BAER shares did each Blackstone-related entity sell?

The filing shows three indirect sales: 1,853,665 shares held by BTO Grannus Holdings IV - NQ LLC, 32,019 shares held by Blackstone Tactical Opportunities Fund - FD L.P., and 14,316 shares held by Blackstone Family Tactical Opportunities Investment Partnership III - NQ - ESC L.P.

At what price were the BAER shares sold in this Form 4?

All reported sales of Bridger Aerospace (BAER) common stock were executed at $1.70 per share. The Form 4 classifies these as code S transactions, indicating sales of non-derivative common stock, with ownership reported as indirect and subject to detailed footnote disclosures.

Who are the reporting persons in BAER’s Blackstone-related Form 4?

Reporting persons include several Blackstone-affiliated entities, such as Blackstone Holdings I L.P., Blackstone Holdings I/II GP L.L.C., and related management and advisory entities. They are identified as ten percent owners with complex indirect ownership structures explained through multiple footnotes.

Do the Blackstone reporting persons claim full beneficial ownership of the BAER shares?

No. The reporting persons explicitly disclaim beneficial ownership of securities held by other reporting persons, except to the extent of their pecuniary interest. They state that including these securities should not be deemed an admission of beneficial ownership for Section 16 or other purposes.

Were the BAER insider sales conducted under a Rule 10b5-1 trading plan?

The Form 4’s Rule 10b5-1 checkbox is not checked as being pursuant to a trading plan, and the linked footnotes do not describe any such pre-arranged plan. The filing therefore does not characterize these BAER share sales as executed under Rule 10b5-1.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Blackstone Holdings I L.P.

(Last) (First) (Middle)

C/O BLACKSTONE INC.

345 PARK AVE

(Street)

NEW YORK NEW YORK 10154

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Bridger Aerospace Group Holdings, Inc. [ BAER ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/04/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/04/2026		S		1,853,665	D	$1.7	7,536,230	I	See Footnotes(1)(4)(5)(6)
Common Stock	08/04/2026		S		32,019	D	$1.7	130,175	I	See Footnotes(2)(4)(5)(6)
Common Stock	08/04/2026		S		14,316	D	$1.7	58,205	I	See Footnotes(3)(4)(5)(6)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person^*

Blackstone Holdings I L.P.

(Last) (First) (Middle)

C/O BLACKSTONE INC.

345 PARK AVE

(Street)

NEW YORK NEW YORK 10154

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

Blackstone Holdings I/II GP L.L.C.

(Last) (First) (Middle)

C/O BLACKSTONE INC.

345 PARK AVENUE

(Street)

NEW YORK NEW YORK 10154

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

BTO Grannus Holdings IV - NQ LLC

(Last) (First) (Middle)

C/O BLACKSTONE INC.

345 PARK AVENUE

(Street)

NEW YORK NEW YORK 10154

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

Grannus Holdings Manager - NQ LLC

(Last) (First) (Middle)

C/O BLACKSTONE INC.

345 PARK AVENUE

(Street)

NEW YORK NEW YORK 10154

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

Blackstone Tactical Opportunities Advisors L.L.C.

(Last) (First) (Middle)

C/O BLACKSTONE INC.

345 PARK AVENUE

(Street)

NEW YORK NEW YORK 10154

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

Blackstone Intermediary Holdco L.L.C.

(Last) (First) (Middle)

C/O BLACKSTONE INC.

345 PARK AVENUE

(Street)

NEW YORK NEW YORK 10154

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

BLACKSTONE SECURITIES PARTNERS L.P.

(Last) (First) (Middle)

C/O BLACKSTONE INC.

345 PARK AVENUE

(Street)

NEW YORK NEW YORK 10154

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

Blackstone Advisory Services L.L.C.

(Last) (First) (Middle)

C/O BLACKSTONE INC.

345 PARK AVENUE

(Street)

NEW YORK NEW YORK 10154

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

Explanation of Responses:

1. Reflects securities of Bridger Aerospace Group Holdings, Inc. (the "Issuer") directly held by BTO Grannus Holdings IV - NQ LLC ("BTO Grannus IV"). BTO Grannus IV is managed by Grannus Holdings Manager - NQ LLC. Blackstone Tactical Opportunities Advisors L.L.C. is the investment manager to BTO Grannus IV. The managing member of Blackstone Tactical Opportunities Advisors L.L.C. is Blackstone Intermediary Holdco L.L.C. The sole member of Blackstone Intermediary Holdco L.L.C. is Blackstone Securities Partners L.P. The general partner of Blackstone Securities Partners L.P. is Blackstone Advisory Services L.L.C. The sole member of Blackstone Advisory Services L.L.C. is Blackstone Holdings I L.P.

2. Reflects securities of the Issuer directly held by Blackstone Tactical Opportunities Fund - FD L.P. ("BTOF FD"). The general partner with management authority over BTOF FD with respect to the Common Stock held thereby is Blackstone Tactical Opportunities Associates III - NQ L.P. The general partner of Blackstone Tactical Opportunities Associates III - NQ L.P. is BTO DE GP - NQ L.L.C. The managing member of BTO DE GP - NQ L.L.C. is Blackstone Holdings II L.P.

3. Reflects securities of the Issuer directly held by Blackstone Family Tactical Opportunities Investment Partnership III - NQ - ESC L.P. ("BFTOIP III"). The general partner of BFTOIP III is BTO - NQ Side-by-Side GP L.L.C. The sole member of BTO-NQ Side-by-Side GP L.L.C. is Blackstone Holdings II L.P.

4. The general partner of Blackstone Holdings I L.P. and Blackstone Holdings II L.P. is Blackstone Holdings I/II GP L.L.C. The sole member of Blackstone Holdings I/II GP L.L.C. is Blackstone Inc. The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman.

5. Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

6. Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

Remarks:

Because no more than 10 reporting persons can file any one Form 4 through the Securities and Exchange Commission's EDGAR system, certain affiliates of the Reporting Persons have filed separate Forms 4.

	/s/ See Exhibit 99.1	08/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)